Lifebreath 1200erv User Manual

®
CLEAN • FRESH • AIR  
OPERATION AND  
INSTALLATION MANUAL  
NOTE: ALTHOUGH SOME MODELS  
DIFFER IN OPERATION, THE BASIC  
STEPS ARE SIMILAR.  
For Models:  
500DCS  
ControlAir 15  
850FD/ DD  
700FD/ DD  
Analog Controls  
Analog Controls  
CAUTION  
Before installation, careful consideration must be given to  
how the system will operate if connected to any other piece  
of mechanical equipment, i.e. a forced air furnace or air  
handler, operating at a higher static. After installation, the  
compatibility of the two pieces of equipment must be  
confirmed, by measuring the airflow’s of the Heat/Energy  
Recovery Ventilator (HRV/ERV), by using the balancing  
procedure in this manual.  
1200FD/ DD  
Analog Controls  
It is always important to assess how the operation of any  
HRV/ERV may interact with vented combustion equipment  
(ie. Gas Furnaces, Oil Furnaces, Wood Stoves, etc.).  
500ERV  
700ERV  
ControlAir 15  
Analog Controls  
Analog Controls  
NEVER install an HRV/ERV in a situation where its normal  
operation, lack of operation or partial failure may result  
in the backdrafting or improper functioning of vented  
combustion equipment!!!  
1200ERV  
TO BE COMPLETED BY CONTRACTOR AFTER INSTALLATION  
Installing Contractor  
Telephone / Contact  
Serial Number  
Installation Date  
Model  
* LEAVE FOR HOMEOWNER  
NOTE: Due to ongoing research and product development, specifications,  
ratings and dimensions are subject to change without notice.  
TI-72C-NE  
0105  
ERV Quest ions & Answers  
What is the difference between an HRV  
and damp situation. In fact, about 2/3 of the energy  
used by the air conditioner system is to remove  
moisture. Therefore, when ventilating in the summer,  
less moisture brought into the home means less work  
for the air conditioner, and energy savings for you.  
and an ERV?  
The core in an HRV (Heat Recovery Ventilator)  
transfers heat from one air stream to the other. This is  
called sensible heat. The term ERV (Energy Recovery  
Ventilator) is usually used to describe a unit with an  
enthalpic core that transfers moisture as well as heat  
from one air stream to the other. This (moisture  
transfer) is called latent heat.  
During the winter, an ERV recovers some humidity  
from the exhaust air, reducing the need for humidification  
,
if the required ventilation rate would make the home  
too dry.  
Enthalpic - what does it mean?  
Enthalpy is the term used to describe the energy  
content of air. This energy is a combination of the  
sensible and latent heat. Therefore, a core which  
transfers energy is called an enthalpic core.  
What's the difference between this type of  
core and a rotary type?  
Here's a list of characteristics of the fixed plate core.  
1. No rotating parts, so maintenance is easy and the  
unit lasts a long time.  
2. It is very flexible in terms of installation.  
3. The core can easily be changed.  
4. Because the supply and exhaust air streams are  
completely separate, there is very little cross  
leakage of any dust or germs.  
Is an ERV better than an HRV?  
NOT NECESSARILY!! In cold climates such as most  
of North America, an HRV works better than an ERV.  
This is because the air inside the home during the  
winter months will be more humid than the outside air.  
An ERV would transfer the latent heat (humidity) from  
the exhaust air back into the incoming airstream. This  
will aggravate moisture problems in the home and  
encourage the growth of mold and mildew. If the air in  
the home is too dry for comfort, an ERV will not help. A  
humidifier should be used to increase the humidity to  
a comfortable level.  
Can the core become clogged with dust?  
Because the surface of the core is a turbulent flow  
area, dust sticks to it easily; however, because the  
inside of the element is a laminar flow area, virtually no  
dust sticks to it.  
Where do you use an ERV instead  
of an HRV?  
An ERV is recommended for warm, humid areas with  
heavy air conditioning use. As there is no defrost in an  
ERV it is not recommended for areas where the  
temperature drops below -4˚C (25˚F)  
What is the maintenance?  
About once a year you should use a vacuum cleaner  
to remove the dust from the core's surface. DO NOT  
WASH WITH WATER!!  
Is an air filter needed?  
To prevent clogging of the core, an air filter should  
always be installed on the supply and exhaust sides of  
the core.  
Why transfer moisture in the summer  
(cooling season)?  
The enthalpic core will allow moisture to be transferred  
from a humid air flow to a dry air flow. This property is  
useful in the cooling season if an air conditioning  
system is used to lower the indoor humidity. You will  
then have dry, cool air in the exhaust of the ERV, and  
warm humid air in the supply stream. With these  
conditions, the ERV will be able to transfer the  
moisture and heat of the supply air to the exhaust air.  
In this way, the ERV will supply to the home air which  
is cooler and drier than outside. Remember that an  
ERV is not a dehumidifier, and on its own will not take  
moisture out of the air.  
How much ventilation do I need?  
During seasons when your windows and doors are  
closed, the ERV should operate continuously when  
the dwelling is occupied, and either continuously or  
intermittently when not occupied.  
For most installations the ERV will normally be set to  
operate continuously on low speed with the option of  
going to high speed as the need arises. For example;  
if you are entertaining and there is a large number of  
people present (some may be smoking), the unit  
should be switched to high speed.  
So why use an ERV?  
A properly operating air conditioner will not only lower  
the temperature in your house, but will also lower the  
humidity level. This prevents an uncomfortable cold  
Your ERV may be equipped with automatic or manual  
switches, but all ERVs will have a manual speed  
control override.  
3
4
Select ing t he Correct Size HRV/ ERV  
Commercial and Inst it ut ional Requirement s  
For outdoor air requirements, ASHRAE has produced the Ventilation Standard 62-1989 that  
is used to determine acceptable ventilation rates. This standard is referenced directly or  
used as “Good Engineering Practice” in most Code documents or design criteria.  
Small restaurants, Donut Shops and Fast food stores  
Bank  
Seats  
40  
5
Customers  
Staff  
25  
9
Employees  
Total  
45  
Total  
34  
ASHRAE requirement  
Ventilation required  
20 cfm (10L/s) per person  
45 x 20 = 900 cfm (450 L/s)  
ASHRAE requirement  
Ventilation required  
20 cfm (10L/s) per person  
34 x 20 = 680 cfm (320 L/s)  
Bar or Tavern  
Bingo Hall  
Seats  
50  
7
Customers  
Staff  
180  
20  
Employees  
Total  
57  
Total  
200  
ASHRAE requirement  
Ventilation required  
30 cfm (15L/s) per person  
ASHRAE requirement  
Ventilation required  
30 cfm (15L/s) per person  
57 x 30 = 1710 cfm (855 L/s)  
200 x 30 = 6000 cfm (3000 L/s)  
Classroom and School Portables  
Print Shop, Duplicating  
Seats  
29  
1
Square footage of shop  
2000 square ft (m2)  
Teacher  
Total  
ASHRAE requirement  
Ventilation required  
Swimming Pools  
0.5 cfm/ft2 (2.5L/s - m2)  
per person  
30  
ASHRAE requirement  
Ventilation required  
15 cfm (7.5L/s) per person  
30 x 15 = 450 cfm (255 L/s)  
2000 x 0.5 = 1000 cfm (500 L/s)  
Beauty Salon  
Refer to “Pool” Models Installation Manuals.  
Customers  
Employees  
Total  
12  
6
18  
ASHRAE requirement  
Ventilation required  
25 cfm (12.5L/s) per person  
18 x 25 = 450 cfm (255 L/s)  
MAKE UP HEAT REQUIREMENT at 1200 CFM (566L/s)  
Nominal  
Nominal  
Nominal  
Outdoor Temp.  
kW Req. for  
20°C (68°F)  
Air Delivery  
kW Req. for  
25°C (77°F)  
Air Delivery  
kW Req. for  
30°C (86°F)  
Air Delivery  
C°  
F°  
0
-10  
-20  
-30  
-40  
32  
14  
-4  
-22  
-40  
7
10  
14  
15  
19  
21  
14  
17  
19  
22  
24  
10  
12  
15  
17  
5
Model 500DCS  
SPECIFICATIONS  
CORES  
Modular (4 section) patented aluminum heat recovery cores arranged  
for high efficiency crossflow ventilation.  
PERFORMANCE  
AIRFLOWS (Each Air Stream)  
282 (600)  
235 (500)  
190 (400)  
143 (300)  
94 (200)  
42 (100)  
MOTORS  
6.3 HIGH  
SPEED  
5
Two PSC, 5 speed double shafted, 120 VAC, 3.15 Amps each (6.3 total  
on high speed). HP - 1/10, 1625 RPM. Watts - total on High Speed - 610.  
FILTERS  
3.8 MED  
3.1 LOW  
4
3
2
1
Washable air filters in exhaust and supply air streams.  
BLOWERS  
Centrifugal type rated at 530 cfm (250 L/s) free air delivery. Each  
air stream has two centrifugal blowers driven by two PSC motors.  
CONNECTION DUCT SIZES  
25 (.1)  
50 (.2)  
75 (.3)  
100 (.4)  
125 (.5)  
EXTERNAL STATIC PRESSURE IN PASCALS (in. W.C.)  
Four - 14" x 8" (356 mm x 200 mm).  
TEMPERATURE EFFECTIVENESS  
MOUNTING  
Unit to be set on support brackets hung by threaded rod type  
apparatus (brackets and rods not included).  
CASE  
100%  
90%  
80%  
20 gauge prepainted galvanized steel (G60) for superior corrosion  
resistance. Insulated with foil faced insulation duct liner where required to  
prevent exterior condensation. Drain connection, One - 1/2" (12 mm) O.D.  
CONTROLS ControlAir 15  
NOTE: Exhaust Relative Humidity (RH) at 40%  
DEFROST  
190  
94  
143  
235  
282  
Supply bypass damper routes indoor air to defrost cores.  
WEIGHT 178 lbs. (81 kg) SHIPPING WEIGHT 203 lbs. (92 kg)  
(400)  
(200)  
(300)  
(500)  
(600)  
AIRFLOW IN L/s (CFM)  
DIMENSIONS 500DCS  
inches (mm)  
EXHAUST AIR  
EXHAUST AIR  
TO OUTSIDE  
FROM BUILDING  
MOUNTING POINTS  
150 mm  
5 7/8"  
150 mm  
(
)
(
5 7/8")  
NOTE:  
Service clearance  
is 760 mm (30 in.)  
475 mm  
475 mm  
18 3/4"  
35 mm  
1 3/8"  
32 mm  
(
18 3/4")  
(
)
(
)
(
1 1/4")  
356 mm  
(14")  
200 mm  
356 mm  
(14")  
200 mm  
(
8")  
(
8")  
SUPPLY AIR  
FROM OUTSIDE  
1245 mm  
49"  
717 mm  
28 1/4 ")  
717 mm  
(
)
DRAIN CONNECTION  
(
(
28 1/4")  
SUPPLY AIR  
TO BUILDING  
DEFROST  
INTERIOR DUCT  
EXTERIOR DUCT  
FRONT VIEW  
CONNECTION SIDE  
CONNECTION SIDE  
OPTIONS  
99-104 Digital Electronic Timer - 20/40/60 min. (3 wire)  
99-105 Programmable Ventilation Control  
includes Programmable Time Clock, Dehumidistat  
and Air Sentry™  
99-109 Air Sentry™ Air Quality Monitor designed to accept  
remotely mounted Control Pad  
All units conform to CSA and UL standards.  
WARRANTY  
Units carry a 15 year warranty on the heat recovery core and  
a 2 year replacement parts warranty.  
99-250 Ventilation Dehumidistat - Dehumidistat designed  
to accept remotely mounted Control Pad.  
DATE: __________________________  
511 McCormick Blvd.  
London, Ontario N5W 4C8  
Ph: (519) 457-1904  
PROJECT: ________________________________________  
Fx: (519) 457-1676  
MECHANICAL CONTRACTOR: ________________________________  
TI-110-NE  
0011  
6
Model 850FD/ DD  
SPECIFICATIONS  
CORES  
Modular (6 section) patented aluminum heat recovery cores arranged for high  
efficiency crossflow ventilation.  
PERFORMANCE  
AIRFLOWS (Each Air Stream)  
HIGH SPEED  
475 (1000)  
425 (900)  
378 (800)  
329 (700)  
282 (600)  
235 (500)  
190 (400)  
143 (300)  
94 (200)  
42 (100)  
MOTORS  
Two PSC, 3 speed double shafted, 120 VAC, 3.95 Amps each (7.9 total on  
high speed). HP - 1/4, 1625 RPM. Watts - total on High Speed - 848.  
FILTERS  
Washable air filters in exhaust and supply air streams.  
BLOWERS  
Centrifugal type rated at 950 cfm (448 L/s) free air delivery. Each air stream  
has one double shafted motor driving two centrifugal blowers.  
CONNECTION DUCT SIZES  
7.9 HIGH  
MED SPEED  
LOW SPEED  
7.0 MED  
6.6 LOW  
Three - 20" x 8" (508 mm x 200 mm).  
25 (.1) 50 (.2) 75 (.3) 100 (.4) 125 (.5) 150 (.6) 175 (.7)  
Stale air intake - 26" x 8" (660 mm x 200 mm).  
Model 850DD - additional 20" X 8" defrost port  
MOUNTING  
Unit to be set on support brackets hung by threaded rod type apparatus.  
(brackets and rods not provided).  
EXTERNAL STATIC PRESSURE IN PASCALS (in. W.C.)  
TEMPERATURE EFFECTIVENESS  
CASE  
90%  
80%  
70%  
20 gauge prepainted galvanized steel (G60) for superior corrosion  
resistance. Insulated with foil faced insulation where required to prevent  
exterior condensation. Drain connections, Two - 1/2" (12 mm) O.D.  
CONTROLS  
Illuminated power switch, 3 speed blower control, low voltage (24 VAC)  
terminals for connection of remote controls and defrost light indicating  
automatic operation.  
NOTE: Exhaust Relative Humidity (RH) at 40%  
DEFROST CONTROLS  
235  
(500)  
282  
(600)  
329  
(700)  
378  
(800)  
425  
(900)  
Model 850FD - Interrupts supply air while exhaust air defrosts core.  
Model 850DD - Supply bypass routes indoor air to defrost core.  
WEIGHT 255 lbs. (116 kg) SHIPPING WEIGHT 280 lbs. (127 kg)  
AIRFLOW IN L/s (CFM)  
mm (inches)  
DIMENSIONS 850  
EXHAUST AIR  
EXHAUST AIR  
TO OUTSIDE  
MOUNTING POINTS  
CONTROLS  
FROM BUILDING  
263 mm  
10 3/8"  
660 mm  
(26")  
200 mm  
8"  
508 mm  
(20")  
200 mm  
8"  
(
)
(
)
(
)
NOTE:  
Service clearance  
is 760 mm (30 in.)  
190 mm  
(7 1/2 ")  
263 mm  
(10 3/8 ")  
149 mm  
(5 7/8")  
625 mm  
(24 5/8")  
172 mm  
(6 3/4")  
508 mm  
(20")  
200 mm  
8"  
508 mm  
(20")  
200 mm  
8"  
(
)
(
)
SUPPLY AIR  
FROM OUTSIDE  
1188 mm  
(46 3/4")  
1055 mm  
(41 1/2")  
DRAIN CONNECTION  
SUPPLY AIR  
TO BUILDING  
DEFROST AIR  
DD MODELS ONLY  
INTERIOR DUCT  
EXTERIOR DUCT  
FRONT VIEW  
CONNECTION SIDE  
CONNECTION SIDE  
OPTIONS  
99-101 Sixty Minute Timer  
All units conform to CSA and UL standards  
WARRANTY  
All units carry a 15 year warranty on the heat recovery cores  
and a 2 year replacement parts warranty.  
99-130 Remote Wall Mount Dehumidistat Control  
24 VAC only  
DATE: __________________________  
511 McCormick Blvd.  
London, Ontario N5W 4C8  
Ph: (519) 457-1904  
PROJECT: ________________________________________  
Fx: (519) 457-1676  
MECHANICAL CONTRACTOR: ________________________________  
TI-111  
0011  
7
Model 700FD/ DD  
SPECIFICATIONS  
PERFORMANCE  
CORES  
Modular (2 section) patented aluminum heat recovery cores  
arranged for efficient cross-flow ventilation.  
MOTORS  
Two PSC, 3 speed single shafted, 120 VAC, 2.75 Amps each (5.5  
total on high speed). HP - 1/10, 1625 RPM. Watts - total on high  
speed - 648.  
AIRFLOWS (Each Air Stream)  
423 (900)  
378 (800)  
329 (700)  
282 (600)  
235 (500)  
190 (400)  
143 (300)  
94 (200)  
5.5 HIGH  
5.0 MED  
4.7 LOW  
HIGH SPEED  
MED SPEED  
LOW SPEED  
FILTERS  
Washable air filters in exhaust and supply air streams.  
BLOWERS  
Centrifugal type rated at 329 L/s (700 CFM) free air delivery. Each  
air stream has one single shafted motor driving a centrifugal blower.  
CONNECTION DUCT SIZES  
42 (100)  
25 (.1) 50 (.2) 75 (.3) 100 (.4) 125 (.5) 150 (.6) 175 (.7)  
Four - 356 mm x 200 mm (14" x 8" ).  
EXTERNAL STATIC PRESSURE IN PASCALS (IN. W.C.)  
MOUNTING  
Unit to be set on support brackets hung by threaded rod type  
apparatus (brackets and rods not provided).  
CASE  
TEMPERATURE EFFECTIVENESS  
20 gauge prepainted galvanized steel (G60) for superior corrosion  
resistance. Insulated with foil faced insulation where required to  
prevent exterior condensation. Drain connections; two - 12 mm  
(1/2") O.D.  
70%  
60%  
50%  
CONTROLS  
Illuminated power switch, 3 speed blower control, low voltage (24  
VAC) terminals for connection of remote controls and defrost light  
indicating automatic operation.  
NOTE: Exhaust Relative Humidity (RH) at 40%  
DEFROST CONTROLS  
190  
(400)  
329  
(700)  
143  
(300)  
235  
(500)  
282  
(600)  
MODEL 700 FD - Interrupts supply air while exhaust air defrosts core.  
MODEL 700DD - Supply bypass routes indoor air to defrost core.  
WEIGHT 64.4 kg (142 lbs.) SHIPPING WEIGHT 75.8 kg (167 lbs.)  
AIRFLOW IN L/s (CFM)  
SUPPLY AIR  
FROM OUTSIDE  
DIMENSIONS 700 mm (inches)  
DD MODEL ONLY  
MOUNTING POINTS  
CONTROLS  
EXHAUST AIR  
TO OUTSIDE  
356 mm  
(14")  
356 mm  
(14")  
165 mm  
(6 1/2")  
165 mm  
(6 1/2")  
FD MODEL ONLY  
625 mm  
(24 5/8 ")  
210 mm  
(8 1/4")  
NOTE:  
159 mm  
(6 1/4")  
Service clearance  
is 760 mm (30 in.)  
from front  
access doors  
200 mm  
(8")  
200 mm  
(8")  
¤
HEAT RECOVERY VENTILATORS (HRVs)  
SUPPLY AIR  
TO BUILDING  
EXHAUST AIR  
FROM BUILDING  
730 mm  
(28 3/4")  
730 mm  
(28 3/4")  
DRAIN CONNECTION  
753 mm (29 5/8")  
FRONT VIEW  
DISCHARGE SIDE  
INLET SIDE  
All units conform to CSA and UL standards.  
OPTIONS  
99-101 Sixty Minute Timer  
WARRANTY  
All units carry a 15 year warranty on the heat recovery cores  
and a 2 year replacement parts warranty.  
99-130 Remote Wall Mount Dehumidistat Control  
24 VAC only  
DATE: __________________________  
511 McCormick Blvd.  
London, Ontario N5W 4C8  
Ph: (519) 457-1904  
PROJECT: ________________________________________  
Fx: (519) 457-1676  
MECHANICAL CONTRACTOR: ________________________________  
TI-103  
0011  
8
Model 1200FD/ DD  
PERFORMANCE  
SPECIFICATIONS  
CORES  
Modular (3 section) patented aluminum heat recovery cores arranged  
for efficient cross-flow ventilation.  
AIRFLOWS (Each Air Stream)  
613 (1300)  
566 (1200)  
518 (1100)  
472 (1000)  
423 (900)  
378 (800)  
329 (700)  
282 (600)  
235 (500)  
8.1 HIGH  
7.8 MED  
MOTORS  
Two PSC, 3 speed double shafted, 120 VAC, 4 Amps each (8.1 total on  
high speed). HP - 1/4, 1625 RPM. Watts - total on high speed - 972.  
FILTERS  
Washable air filters in exhaust and supply air streams.  
BLOWERS  
Centrifugal type rated at 1200 cfm (566 L/s) free air delivery. Each air  
stream has one double shafted motor driving a centrifugal blower.  
CONNECTION DUCT SIZES  
HIGH SPEED  
7.1 LOW  
MED SPEED  
LOW SPEED  
25 (.1) 50 (.2) 75 (.3) 100 (.4) 125 (.5) 150 (.6) 175 (.7)  
EXTERNAL STATIC PRESSURE IN PASCALS (in. W.C.)  
Four - 20" x 8" (508 mm x 200 mm).  
MOUNTING  
TEMPERATURE EFFECTIVENESS  
Unit to be set on support brackets hung by threaded rod type  
apparatus. (brackets and rod not provided).  
CASE  
20 gauge prepainted galvanized steel (G60) for superior corrosion  
resistance. Insulated with foil faced insulation where required to  
prevent exterior condensation. Drain connections; two - 1/2" (12 mm) O.D.  
CONTROLS  
Illuminated power switch, 3 speed blower control, low voltage (24  
VAC) terminals for connection of remote controls and defrost light  
indicating automatic operation.  
70%  
60%  
50%  
NOTE: Exhaust Relative Humidity (RH) at 40%  
DEFROST CONTROLS  
235  
282  
329  
378  
423  
472  
518  
566  
(1200)  
(500)  
(600)  
(700)  
(800)  
(900)  
(1000)  
(1100)  
MODEL 1200FD - Interrupts supply air while exhaust air defrosts core.  
MODEL 1200DD - Supply bypass routes indoor air to defrost core.  
WEIGHT 191 lbs. (87 kg) SHIPPING WEIGHT 215 lbs. (98 kg)  
AIRFLOW IN L/s (CFM)  
DIMENSIONS 1200 mm (inches)  
SUPPLY AIR  
FROM OUTSIDE  
DD MODEL ONLY  
MOUNTING POINTS  
EXHAUST AIR  
TO OUTSIDE  
CONTROLS  
508 mm  
(20")  
508 mm  
(20")  
263 mm  
(10 3/8")  
263 mm  
(10 3/8")  
FD MODEL ONLY  
625 mm  
(24 5/8 ")  
172 mm  
(6 3/4")  
NOTE:  
149 mm  
(5 7/8")  
Service clearance  
is 760 mm (30 in.)  
from front  
access doors  
200 mm  
(8")  
200 mm  
(8")  
¤
HEAT RECOVERY VENTILATORS (HRVs)  
EXHAUST AIR  
FROM BUILDING  
1055 mm  
(41 1/2")  
1055 mm  
(41 1/2")  
DRAIN CONNECTION  
759 mm (29 7/8")  
SUPPLY AIR  
TO BUILDING  
FRONT VIEW  
DISCHARGE SIDE  
INLET SIDE  
OPTIONS  
All units conform to CSA and UL standards  
99-101 Sixty Minute Remote Timer  
WARRANTY  
All units carry a 15 year warranty on the heat recovery cores  
and a 2 year replacement parts warranty.  
99-130 Remote Wall Mount Dehumidistat Control  
24 VAC only  
DATE: __________________________  
511 McCormick Blvd.  
London, Ontario N5W 4C8  
Ph: (519) 457-1904  
PROJECT: ________________________________________  
Fx: (519) 457-1676  
MECHANICAL CONTRACTOR: ________________________________  
TI-120  
0011  
9
®
Model 500ERV  
PERFORMANCE  
CLEAN • FRESH • AIR  
SPECIFICATIONS  
AIRFLOWS (Each Air Stream)  
LATENT RECOVERY (MOISTURE) TRANSFER CORES  
Modular (4 section) 2- Enthalpic, 2 Aluminum arranged for high  
efficiency crossflow ventilation.  
282 (600)  
235 (500)  
190 (400)  
143 (300)  
94 (200)  
42 (100)  
6.3 HIGH  
SPEED  
5
MOTORS - Two PSC, 5 speed double shafted, 120 VAC, 3.15 Amps  
each (6.3 total on high speed). HP - 1/10, 1625 RPM. Watts - total on  
High Speed - 610.  
3.8 MED  
3.1 LOW  
4
3
2
1
FILTERS - Washable air filters in exhaust and supply air streams.  
BLOWERS - Centrifugal type rated at 530 cfm (250 L/s) free air  
delivery. Each air stream has two centrifugal blowers driven by two  
PSC motors.  
25 (.1)  
50 (.2)  
75 (.3)  
100 (.4)  
125 (.5)  
EXTERNAL STATIC PRESSURE IN PASCALS (in. W.C.)  
CONNECTION DUCT SIZES Four - 14" x 8" (356 mm x 200 mm).  
MOUNTING - Unit to be set on support brackets hung by threaded  
rod type apparatus (brackets and rods not included).  
DEFROST - Damper defrost system.  
TEMPERATURE EFFECTIVENESS  
100%  
90%  
80%  
CASE - 20 gauge prepainted galvanized steel (G60) for superior  
corrosion resistance. Insulated with foil faced insulation duct liner  
where required to prevent exterior condensation. Drain connection,  
One - 1/2" (12 mm) O.D.  
NOTE: Exhaust Relative Humidity (RH) at 40%  
CONTROLS - ControlAir 15  
WEIGHT 178 lbs. (81 kg) SHIPPING WEIGHT 203 lbs. (92 kg)  
190  
(400)  
94  
(200)  
143  
(300)  
235  
(500)  
282  
(600)  
AIRFLOW IN L/s (CFM)  
DIMENSIONS 500ERV  
inches (mm)  
EXHAUST AIR  
EXHAUST AIR  
TO OUTSIDE  
ENTHALPIC CORE  
ALUMINUM CORE  
FROM BUILDING  
MOUNTING POINTS  
5 7/8"  
5 7/8"  
(150 mm)  
(150 mm)  
NOTE:  
Service clearance  
is 30 in. (760 mm)  
18 3/4"  
(475 mm)  
18 3/4"  
(475 mm)  
1 3/8"  
(35 mm)  
1 1/4"  
(32 mm  
)
14"  
(356 mm)  
8"  
(200 mm)  
8"  
(200 mm)  
14"  
(356 mm)  
SUPPLY AIR  
FROM OUTSIDE  
49"  
(1245 mm)  
28 1/4 "  
(717 mm)  
28 1/4"  
(717 mm)  
SUPPLY AIR  
TO BUILDING  
DRAIN CONNECTION  
DEFROST  
INTERIOR DUCT  
EXTERIOR DUCT  
FRONT VIEW  
CONNECTION SIDE  
CONNECTION SIDE  
All units conform to CSA and UL standards.  
OPTIONS  
WARRANTY  
99-104 Digital Electronic Timer - 20/40/60 min. (3 wire)  
99-105 Programmable Ventilation Control includes  
Programmable Time Clock, Dehumidistat and  
Air Sentry™  
Units carry a 5 year warranty on the energy recovery cores,  
a 15 year warranty on aluminum cores and a 2 year  
replacement parts warranty.  
99-109 Air Sentry™ Air Quality Monitor designed to  
accept remotely mounted Control Pad  
ERVs are not recommended for regions where the  
design temperature is below 25°F (-4°C)  
DATE: __________________________  
511 McCormick Blvd.  
London, Ontario N5W 4C8  
Ph: (519) 457-1904  
PROJECT: ________________________________________  
Fx: (519) 457-1676  
MECHANICAL CONTRACTOR: ________________________________  
TI-130  
0105  
10  
®
Model 700ERV  
CLEAN • FRESH • AIR  
SPECIFICATIONS  
PERFORMANCE  
AIRFLOWS (Each Air Stream)  
LATENT RECOVERY (MOISTURE) TRANSFER CORES  
Modular (2 section) enthalpic (moisture) transfer cores  
arranged for efficient cross-flow ventilation.  
423 (900)  
378 (800)  
329 (700)  
282 (600)  
235 (500)  
190 (400)  
143 (300)  
94 (200)  
5.5 HIGH  
MOTORS  
HIGH SPEED  
5.0 MED  
Two PSC, 3 speed single shafted, 120 VAC, 2.75 Amps each  
(5.5 total on high speed). HP - 1/10, 1625 RPM. Watts - total  
on high speed - 648.  
MED SPEED  
4.7 LOW  
LOW SPEED  
FILTERS  
Washable air filters in exhaust and supply air streams.  
42 (100)  
BLOWERS  
25 (.1) 50 (.2) 75 (.3) 100 (.4) 125 (.5) 150 (.6) 175 (.7)  
Centrifugal type rated at 700 CFM (329 L/s) free air delivery.  
Each air stream has one single shafted motor driving a  
centrifugal blower.  
EXTERNAL STATIC PRESSURE IN PASCALS (IN. W.C.)  
TEMPERATURE EFFECTIVENESS  
CONNECTION DUCT SIZES  
Four - 14" x 8" (356 mm x 200 mm)  
MOUNTING  
70%  
60%  
50%  
Unit to be set on support brackets hung by threaded rod type  
apparatus (brackets and rods not provided).  
CASE  
20 gauge prepainted galvanized steel (G60) for superior  
corrosion resistance. Insulated with foil faced insulation  
where required to prevent exterior condensation.  
NOTE: Exhaust Relative Humidity (RH) at 40%  
CONTROLS  
Illuminated power switch, 3 speed blower control, low voltage  
(24 VAC) terminals for connection of remote controls.  
190  
(400)  
329  
(700)  
143  
(300)  
235  
(500)  
282  
(600)  
AIRFLOW IN L/s (CFM)  
WEIGHT 142 lbs (64.4 kg) SHIPPING WEIGHT 167 lbs. (75.8 kg)  
DIMENSIONS 700ERV inches (mm)  
MOUNTING POINTS  
ENTHALPIC CORE  
CONTROLS  
SUPPLY AIR  
FROM OUTSIDE  
EXHAUST AIR  
TO OUTSIDE  
14"  
(356 mm)  
14"  
(356 mm)  
6 1/2"  
(165 mm)  
6 1/2"  
(165 mm)  
NOTE:  
Service clearance  
is 30 in. (760 mm)  
24 5/8 "  
(625 mm)  
8 1/4"  
(210 mm)  
6 1/4"  
(159 mm)  
8"  
8"  
¤
(200 mm)  
(200 mm)  
HEAT RECOVERY VENTILATORS (HRVs)  
SUPPLY AIR  
TO BUILDING  
EXHAUST AIR  
FROM BUILDING  
29 5/8"  
(753 mm)  
28 3/4"  
(730 mm)  
28 3/4"  
(730 mm)  
FRONT VIEW  
DISCHARGE SIDE  
INLET SIDE  
WARRANTY  
OPTIONS  
Units carry a 5 year warranty on the energy recovery cores  
and 2 year replacement parts warranty.  
99-101 Sixty Minute Remote Timer  
ERVs are not recommended for regions where the design  
temperature is below 25°F (-4°C)  
All units conform to CSA and UL standards.  
DATE: __________________________  
511 McCormick Blvd.  
London, Ontario N5W 4C8  
Ph: (519) 457-1904  
PROJECT: ________________________________________  
Fx: (519) 457-1676  
MECHANICAL CONTRACTOR: ________________________________  
TI-131  
0105  
11  
®
Model 1200ERV  
PERFORMANCE  
CLEAN • FRESH • AIR  
SPECIFICATIONS  
LATENT RECOVERY (MOISTURE) TRANSFER CORES  
Modular (3 section) latent recovery (moisture) transfer cores  
arranged for efficient cross-flow ventilation.  
MOTORS  
Two PSC, 3 speed double shafted, 120 VAC, 4 Amps each  
(8.1 total on high speed). HP - 1/4, 1625 RPM. Watts - total  
on high speed - 972.  
AIRFLOWS (Each Air Stream)  
613 (1300)  
566 (1200)  
518 (1100)  
472 (1000)  
423 (900)  
378 (800)  
329 (700)  
282 (600)  
235 (500)  
8.1 HIGH  
7.8 MED  
HIGH SPEED  
7.1 LOW  
MED SPEED  
LOW SPEED  
FILTERS  
Washable air filters in exhaust and supply air streams.  
BLOWERS  
Centrifugal type rated at 1200 cfm (566 L/s) free air delivery.  
Each air stream has one double shafted motor driving a  
centrifugal blower.  
25 (.1) 50 (.2) 75 (.3) 100 (.4) 125 (.5) 150 (.6) 175 (.7)  
EXTERNAL STATIC PRESSURE IN PASCALS (in. W.C.)  
CONNECTION DUCT SIZES  
Four - 20" x 8" (508 mm x 200 mm).  
TEMPERATURE EFFECTIVENESS  
MOUNTING  
Unit to be set on support brackets hung by threaded rod type  
apparatus. (brackets and rod not provided).  
CASE  
20 gauge prepainted galvanized steel (G60) for superior  
corrosion resistance. Insulated with foil faced insulation  
where required to prevent exterior condensation.  
CONTROLS  
70%  
60%  
50%  
NOTE: Exhaust Relative Humidity (RH) at 40%  
Illuminated power switch, 3 speed blower control, low voltage  
(24 VAC) terminals for connection of remote controls.  
WEIGHT 191 lbs. (87 kg) SHIPPING WEIGHT 215 lbs. (98 kg)  
235  
282  
329  
378  
423  
472  
518  
566  
(1200)  
(500)  
(600)  
(700)  
(800)  
(900)  
(1000)  
(1100)  
AIRFLOW IN L/s (CFM)  
DIMENSIONS 1200ERV inches (mm)  
ENTHALPIC CORE  
EXHAUST AIR  
TO OUTSIDE  
CONTROLS  
SUPPLY AIR  
FROM OUTSIDE  
20"  
(508 mm)  
20"  
10 3/8"  
10 3/8"  
(508 mm)  
(263 mm)  
(263 mm)  
NOTE:  
24 5/8 "  
(625 mm)  
6 3/4"  
(172 mm)  
Service clearance  
is 30 in. (760 mm)  
from front  
5 7/8"  
(149 mm)  
access doors.  
8"  
(200 mm)  
8"  
¤
(200 mm)  
HEAT RECOVERY VENTILATORS (HRVs)  
EXHAUST AIR  
FROM BUILDING  
41 1/2"  
(1055 mm)  
41 1/2"  
(1055 mm)  
29 7/8"  
(759 mm)  
SUPPLY AIR  
TO BUILDING  
FRONT VIEW  
DISCHARGE SIDE  
INLET SIDE  
WARRANTY  
OPTIONS  
Units carry a 5 year warranty on the energy recovery cores  
and 2 year replacement parts warranty.  
99-101 Sixty Minute Remote Timer  
ERVs are not recommended for regions where the design  
temperature is below 25°F (-4°C)  
All units conform to CSA and UL standards.  
DATE: __________________________  
511 McCormick Blvd.  
London, Ontario N5W 4C8  
Ph: (519) 457-1904  
PROJECT: ________________________________________  
Fx: (519) 457-1676  
MECHANICAL CONTRACTOR: ________________________________  
TI-132  
0105  
12  
Locat ion for Mount ing  
The Duct work Syst em  
The HRV/ERV must be located in a conditioned  
space where the surrounding air temperature  
does not fall below 60˚F (16˚C). The unit must be  
mounted level (horizontal). The warranty will be  
void if these conditions are not met.  
A properly designed ducting system will allow the  
HRV/ERV to operate at its maximum efficiency.  
(Air flow will be restricted by undersized ducting,  
use of too many elbows, tees, bends, etc.).  
Always try to keep duct runs as short and  
straight as possible.  
Typically the HRV/ERV is positioned close to  
an outside wall or the roof to simplify the  
connections and keep the length of insulated  
ducting required for the fresh air intake to a  
minimum.  
NOTE: Fully insulated ducting with an integral  
vapour barrier must be used on all runs  
passing through unheated areas in order  
to avoid condensation problems and  
energy losses from the air steams.  
A minimum clearance of 36 inches (90 cm) in  
front of the HRV/ERV is recommended to service  
the ventilator. The HRV/ERV may be mounted on  
an equipment platform providing the drain hoses  
are clear and there is sufficient space to open the  
doors for servicing.  
All joints must be airtight, sealed and impervious  
to moisture. See specification sheets for each  
unit for exact duct sizes and location.  
To minimize pressure drop and noise, galvanized  
metal ducts, properly sized, are recommended.  
Keep ducting as short as possible and use a  
minimum of elbows and tees. Connecting sections  
and shorter runs may be flexible ducting one size  
larger than the metal equivalent. Use flexible duct  
connectors at the HRV/ERV to avoid noise  
transmission.  
Install the drain pans in the bottom of the  
HRV/ERV so the drain (not on all models)  
connections protrude through the holes provided.  
Use drain hoses with hose clamps to connect the  
drain pan outlets to a floor drain or standpipe.  
Make sure the drain line slopes down to the  
outlet. If this is not possible a condensate pump  
will be required for positive removal of the water.  
Protect the drain line from freezing.  
All duct joints must be secured with screws,  
rivets or duct sealant and sealed with aluminum  
duct tape to prevent leakage.  
DRAIN  
SPOUT  
DRAIN  
SPOUT  
TAPE  
TEE  
CONNECTOR  
TO DRAIN  
Forming t he “P” Trap  
13  
Out side Weat herhoods  
The weatherhoods must have built-in “bird” screen with  
1/4 in (63.5 mm) minimum mesh to prevent birds and  
rodents from entering into the ductwork. Do not use  
smaller mesh as it will be very susceptible to plugging  
up. Gravity dampers at the vents must not be used as  
they will restrict air flow and often “seize up”. The  
preferred location of the outside weatherhoods is:  
All duct joints must be fastened with screws, rivets or  
duct sealant and wrapped with a quality duct tape to  
prevent leakage. We recommend aluminum foil tape.  
St ale Air Ret urn Syst em  
The stale air return system is used to draw air from the  
points in the building where the worst air quality  
problems occur. Balancing dampers and/or adjustable  
grilles are recommended on all return air lines which  
are used during installation to help balance the “draw”  
from different areas of the building.  
• no less than 10 ft. (3 m) apart from each other  
• at least 18 in ( 46 cm) above snow line or  
ground level  
• away from sources of contaminants, such as  
automobile exhaust fumes, gas meters,  
garbage cans, containers, etc.  
Alternately, the stale air may be drawn directly from  
the return air duct. When this system is used, the air  
handler’s blower must constantly operate. The exhaust  
takeoff connection must be at least a 3 ft (1 m) from  
a directly connected HRV/ERV supply duct if both are  
connected to the same duct run. Static pressure of the  
air handlers return system should be noted and  
compensated for if, it is apparent that the static  
pressure of the return in the air handler will exceed  
.1 to .15” W.C.  
• not exposed to prevailing winds, whenever  
reasonable possible  
The outside perimeter of the weatherhood must be  
caulked to prevent leakage into the building.  
The design and size of the weatherhoods or louvres  
chosen by the installer must allow for adequate free  
area. Water and debris penetration of the system is  
minimized when the airflow does not exceed 1000 FPM  
(5.08 m/s) free area velocity.  
A damper located just prior to the HRV/ERV is  
required to balance the stale air exhausted with the  
fresh air supply entering the building.  
Ducting from the Weatherhoods  
Return air suction points should be located on the  
opposite side of the room from the fresh air inlet. The  
inlets may be located in the ceiling or high on the walls  
and fitted with inlet grilles.  
Galvanized sheet metal ducting with sufficient cross  
section with an integral single piece vapour barrier should  
be used to connect the HRV/ERV to the weatherhoods.  
All ducting must meet UL Class 1 requirements.  
Many commercial activities produce air contaminants in  
the form of dusts, fumes, mists, vapours and gases.  
Contaminants should be controlled at the source so that  
they are not dispersed through the building nor allowed  
to increase to toxic concentration levels. The ventilator  
allows for economical operation of the HVAC system  
while effectively removing contaminants from the space.  
In designing the exhaust portion of the system  
the exhaust grilles are placed so as to remove the  
contaminants while not allowing them to enter the  
breathing zone of the occupants.  
A minimum R value of insulation should be equal to  
4 (RSI 0.75)  
A good bead of high quality caulking (preferably acousti-  
cal sealant) and taping with a high quality aluminum foil  
tape is recommended to seal the duct to both the  
HRV/ERV and the weatherhood.  
Warmside Duct ing - General  
Ducting from the HRV/ERV to the different areas in the  
building should be galvanized metal whenever possible.  
For contaminants that are lighter than air, grilles should  
be located high on the wall. If contaminants are heavier  
than air, a lower placement of the grilles will be  
required. Information on a contaminants specific gravity  
and toxicity should be available from chemical data  
sheets.  
To minimize airflow losses in the ductwork system, all  
ducts should be as short as possible and with as few  
bends or elbows as possible. 45° elbows are preferred  
to 90° elbows. Use “Wye” (Y) fittings instead of “Tees”  
(T) whenever possible.  
14  
Fresh Air Supply Syst em  
The Int egrat ed HVAC Syst em  
Figure A and B  
The fresh air supply ductwork from the HRV/ERV may  
be directly connected to the return air duct of the  
forced air system. Check the air flow balance of the  
HRV/ERV with the air handler blower both “ON” and  
“OFF” to determine that it does not imbalance the  
HRV/ERV more than 10%. Also, it is advisable to  
include a short length of flex duct or other non-metallic  
connector in this hard ducted line in order to keep  
the HRV/ERV acoustically isolated and separately  
grounded (electrically) from the air handler. This will  
avoid a possible shock hazard to service people if a  
short to ground develops in one of the devices.  
The HRV/ERV has become an integral component of  
the HVAC system. Figure A shows an HRV/ERV unit  
providing fresh air directly to the return air plenum of a  
rooftop heat/cool unit.  
In the balanced airflow system, the HRV/ERV exhaust  
removes stale room air (eg. from lunch room, storage  
or copy area) and returns to the space an equal  
amount of fresh outdoor air, making the use of an  
economizer obsolete in conjunction with an HRV/ERV.  
It may be necessary to install a separate fresh air supply  
ductwork system if the heating is other than forced air.  
Many buildings have ceiling return air plenum as  
in Figure B. Fresh air from the HRV/ERV can be  
introduced directly into the ceiling space but this  
should occur near the air handler’s intake.  
When installing an HRV/ERV, the designer and  
installer should be aware of local codes that may  
require smoke detectors and/or firestats in the HVAC  
or HRV/ERV ductwork.  
By operating the HRV/ERV on a 24 hour/7 day battery  
backed timer, the unit can be set to operate only when  
occupancy or indoor conditions require the air  
exchange.  
Because an HRV/ERV is designed to bring fresh air  
into the building, structures may require supply voltage  
interrupt when smoke or flame sensors are triggered,  
or when a central fire alarm system is activated.  
In installations where it is satisfactory to provide  
general exhaust from the space, the air to be  
exhausted may be taken directly from the return air  
plenum to the HRV/ERV as it is drawn back to the air  
handler. Fresh air supplied by the HRV/ERV is then  
introduced directly into the return air plenum but at a  
location closer to the air handler. The air handler  
would have a constant running blower to effectively  
distribute the fresh air and remove the stale air.  
Balancing dampers would be located in both the  
HRV/ERV supply and exhaust ducts between the  
return air plenum and the HRV/ERV.  
Supply air grilles may be ceiling or high wall mounted.  
Avoid locating incoming fresh air grilles that could  
cause a direct draft on the occupants as the incoming  
air may be below room temperature. A reheat duct  
heater can be installed to improve occupant comfort.  
The use of balancing dampers or adjustable grilles to  
balance the flow rates into various rooms is  
recommended.  
The use of balancing dampers or adjustable grilles  
as supply air diffusers and air exhaust covers are  
recommended. TECHGRILLES™ are round, efficient,  
sound absorbing devices available in 4”, 5”, 6” and 8”  
(100, 125, 150, and 200 mm) models.  
NOTE: At no time should the air handler T.E.S.P. on  
the return duct exceed that of the HRV/ERV .  
AIR FLOW  
SUPPLY  
AIR FLOW  
EXHAUST  
TECHGRILLE  
(optional)  
schematic  
15  
The Int egrat ed HVAC Syst em  
ECONOMIZER  
ROOFTOP  
UNIT  
SUPPLY DUCT  
RETURN AIR DUCT or  
BREATHER T  
FRESH AIR  
SUPPLY  
B.D.  
HRV/ERV UNIT  
B.D.  
STALE AIR  
EXHAUST  
HRV/ERV FRESH  
AIR SUPPLY  
STALE AIR  
EXHAUST TO HRV/ERV  
Figure A  
Example only - Duct connections not typical  
ECONOMIZER  
ROOFTOP  
UNIT  
ROOF DECK  
12" BREATHER  
SPACE  
CEILING RETURN AIR PLENUM  
SUPPLY DUCTWORK  
FRESH AIR  
SUPPLY  
B.D.  
HRV/ERV UNIT  
B.D.  
STALE AIR  
EXHAUST  
HRV/ERV FRESH  
AIR SUPPLY  
STALE AIR EXHAUST  
Example only - Duct connections not typical  
Figure B  
16  
Various Inst allat ion Types  
NOTE: When installing your HRV/ERV  
Saddle Installation  
flexible duct connectors should  
be installed between the HRV/ERV  
and the galvanized duct work.  
Vibration Isolators  
(Supplied by others)  
Threaded  
rod and U channel  
(Supplied by others)  
Hang unit with suspended rods  
and "U" channel members.  
Curb Mounted  
Curb is wood or metal  
(Supplied by others)  
May be anchored to  
floor,leaving space  
for drain connections  
Mount unit on wooden or metal  
curb assembly. Unit must be raised  
an adequate height for installation  
and slope of drain lines.  
Suspended  
Vibration Isolators  
(Supplied by others)  
PVC Support Straps  
(Supplied by others)  
Unit Suspended using  
Polyester reinforced PVC support straps.  
17  
Elect rical Connect ions  
It is recommended that a licensed electrician make all  
electrical connections. It is very important that the  
unit be properly grounded. It is recommended that a  
separate 15 amp/120 volt circuit be used.  
accumulation. After the defrost period, the fresh air  
supply fan automatically returns to the normal speed  
and fresh outside air continues to be drawn into the  
building. Water from the melted frost collects in the  
bottom drip pans and drains out through the bottom  
drain connections. The defrost cycle repeats  
automatically until the air temperature rises  
above 27˚F(-3˚C).  
WARNING: In order to prevent electric shock when  
cleaning or servicing the HRV/ERV, it is extremely  
important to confirm the polarity of the power line that is  
switched by the safety (disconnect) switch whose control  
arm is located on the outside of the electrical control box  
area. The hot line (black) is the proper line to be switched.  
To confirm the proper polarity, use a voltmeter or test lamp  
to make sure there is no power after the switch when the  
door is open. Check between that point and ground (on the  
cabinet). This must be done as occasionally some  
buildings are improperly wired. Always make sure the  
HRV/ERV is properly grounded.  
DAMPER DEFROST  
Models 700DD, 850DD, 1200DD  
These damper defrost HRV’s have an electronically  
controlled damper defrost mechanism. If the outside  
temperature drops below 27˚F(-3˚C ), the defrost timer  
is activated. A motor driven damper door mechanism  
opens the defrost port and at the same time closes off  
the supply air from outside. After approximately 3  
minutes, the damper operates in the opposite direction  
to close off the defrost port and reopen the fresh air at  
the supply port. The 27.5 minute wait time and 3  
minute defrost cycle repeat until the temperature again  
rises above 27˚F (-3˚C).  
Black  
Power Supply  
Line  
White  
Cord  
Black  
Neut.  
Self Test of Defrost Syst ems  
Models 700, 850, 1200  
Power  
Terminal  
Block.  
GND.  
If confirmation of the defrost system is needed,  
complete the following steps.  
1. Disconnect power to the unit and open access/  
maintenance doors.  
Elect rical Connect ion  
2. Locate the “snap disc” type temperature sensor  
mounted in the upper left hand corner (cold air  
stream) of the HRV.  
3. Disconnect the two wires from the HRV to the  
sensor, at the sensor.  
4. Using a jump wire with alligator clips, join two  
wires from the HRV together.  
5. Close access doors and power the unit.  
FAN DEFROST  
Models 700FD, 850FD, 1200FD  
Fan defrost HRV’s are equipped with an electronically  
controlled fan defrost system to remove frost that  
collects on the warm air side of the aluminum heat  
transfer surfaces of the heat exchanger core. When  
the outside air temperature drops below 27˚F(-3˚C),  
defrost is activated which provides for an automatic  
defrost cycle. During the automatic defrost cycle the  
fresh air supply is shut off while the exhaust fan contin  
ues to operate. This allows warm inside air to  
flow through the heat exchanger core melting frost  
This procedure will simulate a defrost that would occur  
automatically in the field when the outside temperature  
drops below -3˚C (27˚F).  
18  
Speed Select ion and Cont rols  
Model 70 0 , 850 and 120 0 HRV/ ERV only  
These models are equipped with a 3 speed  
control, low medium and high, as well as a  
lighted on/off switch and a 4 screw terminal strip.  
The terminal strip can be used to connect any  
low voltage device which will then jump the unit  
to high speed from whatever setting the speed  
control was on. The terminal strip can also be  
wired to allow the unit to be turned off from a  
remote location as well as from high to low from  
a remote location. To wire the unit in this  
configuration you would need two electrical on/off  
switches to be installed at the remote location  
into a double gang electrical enclosure or side by  
side. One should be labeled on/off and the other  
should be labeled high/low.  
ON/OFF SWITCH  
3 SPEED CONTROL  
ON  
LOW  
ON  
LOW  
HIGH  
HIGH  
COMMON ON/OFF  
OFF  
HIGH  
OFF  
ON/OFF ONLY  
LOW/HIGH ONLY  
ON/OFF/LOW/HIGH  
SWITCHING FROM REMOTE LOCATION  
*Supplied and Installed by Contractor*  
Opt ional Remot e Cont rols  
RED BLACK ORANGE  
Off  
50  
10  
Dehumidistat  
Setting Relative to  
Outside Conditions  
20  
30  
WINTER:  
Set dehumidistat  
between 30% to 40%.  
If home is too dry,  
adjust to higher setting.  
If home is too humid,  
adjust to lower setting.  
60  
40  
SUMMER:  
Set dehumidistat  
to OFF.  
60 MINUTE CRANK TIMER  
DEHUMIDISTAT  
DEHUMIDISTAT VENTILATION  
CONTROL (DVC)  
PART NO. 99-116  
•Turns ERV ON/OFF  
• Dehumidistat increases  
ventilation when required  
PART NO. 99-101  
•Provides high speed  
ventilation for 60 minutes  
PART NO. 99-130W  
•Provides high speed  
ventilation when humidity  
level exceeds setting  
This style of remote switching began  
approximately July 1997  
19  
Cont rolAir 15  
OPTIONAL REMOTE CONTROLS Model 50 0 Only  
PROGRAMMABLE VENTILATION CONTROLLER (PVC)  
NEW! AIR SENTRY™ AIR QUALITY SENSOR  
LOCATION: Hallway, kitchen, office  
& work place (connect 1/unit only)  
• Advanced digital remote.  
• Digital dehumidistat.  
LOCATION: Kitchen, basement,  
work place (connect 1/unit only).  
• Digital Air Quality Monitor.  
• Status light indicates fan speed.  
• Increases ventilation to remove  
odours and contaminants.  
ENTRY  
IR Q  
IGITAL A  
IR S  
A
ENSOR  
UALITY S  
D
• Full fan speed control.  
AIR SENTRY™ Air Quality Sensor built-in.  
Recirculation mode (on compatible  
HRV/ERVs).  
• Among gases detected are  
FAN SPEED INDICATOR  
cigarette smoke and formaldehyde.  
• 100' (30 m) maximum wire length.  
• Knockout designed to accept Control  
Pad when remotely mounted.  
• 7 day, 24 hour programmable timer.  
• Digital display and status lights.  
• 100' (30 m) maximum wire length.  
PART NO. 99-109  
Connects to RED, GREEN and YELLOW terminals.  
PART NO. 99-105  
Connects to RED, ORANGE, GREEN and YELLOW terminals.  
*NOTE: This device is NOT compatible with the PVC.  
*NOTE: This device is NOT compatible with the Air Sentry.  
NEW! VENTILATION DEHUMIDISTAT  
Cont rolAir 15  
LOCATION: Central location in house.  
• Dehumidistat activates high speed  
TION  
over-ride when humidity level in home  
VENTILA  
T
A
DEHUMIDIST  
Control Module  
Control Pad  
• All controls wire to  
matching colour on  
the Control Module.  
exceeds setting.  
• Knockout designed to accept Control  
Pad when remotely mounted, giving full  
HRV/ERV functionality & control from  
remote location.  
• Control Pad can be  
removed and mounted  
in a remote location.  
Control Pad mounts  
in a 2”x 4” box or can  
be mounted in the  
optional Ventilation  
Dehumidistat or  
PART NO. 99-250  
Connects to BLACK, RED, GREEN and YELLOW terminals.  
Air Sentry.  
*Replaces 99-116 DVC & 99-230 VRD.  
*Only compatible with ControlAir 15 electronics.  
• Full fan speed control.  
Three Modes of Operation  
- Standby/ON  
- 20 ON / 40 OFF  
-
Recirculation  
(on compatible HRV/ERVs)  
DIGITAL ELECTRONIC TIMER (DET)  
LOCATION: Bathrooms & kitchen  
Connect up to 8 on 300' (91 m) wire max.  
If a PVC or Air Sentry is used, connect  
up to 5 on 300' wire max.  
• Touch pad operation.  
• 20/40/60 minute status lights.  
• Compact wall mount unit.  
• Mounts in 2x4 box.  
Shown with “decora” cover plate (99-107W).  
PART NO. 99-104  
*See individual control instructions for more details.  
Connects to RED, GREEN and YELLOW terminals.  
20  
0011  
FUNCTION & CONTROL Model 50 0 Only  
Operat ing t he Cont rolAir 15  
Self Test  
Each time the HRV/ERV is powered/energized the self  
test function will automatically initiate. During the self  
test the HRV/ERV will cycle through all the speeds  
available (1-5), test the damper motor operation and will  
default back to the previous mode/speed selection,  
(factory default is Speed 1). Total self test duration is  
approximately 1 min. 30 sec.  
Plugging in the HRV/ERV energizes the unit. A self test  
function will be performed every time the HRV/ERV is  
energized (refer to “Self Test” for more details). After  
the self test has completed successfully the HRV/ERV  
will default to Speed 1. This is the factory default  
setting. Follow the instructions found on the HRV/ERV  
door to select desired mode and speed, or refer to the  
instructions found on the following page.  
Aut omat ic Defrost Operat ion  
(Not on all models)  
Control Module  
The advanced technology of the digital microprocessor  
automatically activates the defrost system only as it is  
needed. To be an efficient heat recovery device, the  
HRV/ERV must effectively provide for core defrost as well  
as providing efficient heat exchange. As outdoor  
conditions cool, the temperature sensor (thermistor) tracks  
the supply air temperature. The thermistor then sends its  
signal to the microprocessor (circuit board) which initiates  
only the defrost cycle time required to clear the core. On  
recirculating defrost models, the core is defrosted when  
the supply air port is automatically blocked off and exhaust  
air is redirected back through the HRV/ERV. On damper  
defrost models, the core is defrosted when the supply air  
port is automatically blocked off and the warm air  
surrounding the HRV/ERV is drawn in through the defrost  
port. The mode indicator will flash RED during the defrost  
cycle. This dramatic advance makes more energy  
available for recovery as the unit spends less time in  
defrost mode. By optimizing the defrost cycle, the  
HRV/ERV combines money saving performance with a  
well designed and reliable control system.  
Control Pad  
Cont rolAir 15  
Exploded view  
Glossary  
Removing and relocat ing t he  
Cont rol Pad  
DEFROST MODE - to ensure reliable operation during cold  
weather, the HRV/ERV will automatically cycle through its  
defrost mode as needed. (not on all models)  
The Control Pad can be removed and installed in a  
remote location (100’ wire length max). The Control Pad  
can be installed in a 2x4 box with a “Decora” type cover  
plate or can be installed in the optional “Ventilation  
Dehumidistat” or “Air Sentry”. When the Control Pad is  
installed in a remote location, all optional controls will still  
be wired to the Control Module on the HRV/ERV. When  
remotely mounted on its own, the Control Pad is wired to  
the Control Module by 3 wire (min. 20 gauge). Connect  
the colour coded terminals to the corresponding terminals  
on the Control Module. When the Control Pad is remotely  
mounted in the Ventilation Dehumidistat or Air Sentry,  
refer to optional controls page for wiring requirements.  
DEHUMIDISTAT - a control device that senses the amount of  
moisture in the air and will activate high speed fan operation  
when the air moisture level exceeds the control setting. The  
optimum air moisture level (or relative humidity [Rh]) in the  
typical home is in the range of 30 to 40% Rh.  
RESET - whenever resetting of the HRV/ERV is required,  
simply disconnect power for 30 seconds.  
STANDBY MODE - the HRV/ERV is energized and waiting for fan  
operation to be initiated by a remote device or manual override.  
THERMISTOR - the HRV/ERV's temperature sensor which  
measures electrical resistance in a known manner, as  
outdoor temperatures fluctuate.  
21  
To select mode of operat ion for Cont rolAir 15  
Model 50 0 Only  
Press and hold the fan selection button on the Control Pad. After 5 seconds the control will  
begin to cycle each mode holding each for 2 seconds. Release the button when the desired  
mode of operation is reached.  
Modes of Operation  
LED Indication  
OFF  
No LED’s illuminated HRV/ERV is off, no controls will  
initiate operation.  
Standby / On  
Steady Green LED and Yellow LED to indicate speed  
HRV/ERV will run at speed selected in ventilation mode.  
Standby mode is indicated by no speed indicator  
illuminated. Optional remote controls will override standby  
or selected speed into high speed.  
20 On / 40 Off  
To select speed  
Flashing Green LED and Yellow LED to indicate speed  
HRV/ERV will operate in ventilation mode at speed selected  
for 20 minutes and OFF for 40 minutes.  
Momentarily press fan selection button and release. HRV/ERV will move into next speed.  
OFF is indicated by no yellow LED illuminated. Speed 1 is the first yellow LED. Speed five is  
indicated by a flashing speed 4 LED.  
Automatic Defrost  
During cold outdoor conditions the HRV/ERV will occasionally go into an automatic defrost  
function, which will prevent ice from forming on the core. Defrost is indicated by a flashing Red  
LED indicator.  
22  
PITOT TUBE AIR FLOW BALANCING  
It is necessary to have balanced air flows in an HRV/ERV. The volume  
of air brought in from the outside must equal the volume of air exhausted  
by the unit. If the air flows are not properly balanced, then;  
• The HRV/ERV may not operate at its maximum efficiency  
• A negative or positive air pressure may occur in the house  
• The unit may not defrost properly  
For general balancing it is sufficient to move the pitot tube around in  
the duct and take an average or typical reading. Repeat this procedure  
in the other (supply or return) duct. Determine which duct has the high-  
est airflow (highest reading on the gauge). Then damper that airflow  
back to match the lower reading from the other duct. The flows should  
now be balanced. Actual airflow can be determined from the gauge  
reading. The value read on the gauge is called the velocity pressure.  
The Pitot tube comes with a chart that will give the air flow velocity  
based on the velocity pressure indicated by the gauge. This velocity  
will be in either feet per minute or metres per second. To determine the  
actual airflow, the velocity is multiplied by the cross sectional area of the  
duct being measured.  
• Failure to balance HRV/ERV properly may void warranty  
Excessive positive pressure may drive moist indoor air into the external  
walls of the building where it may condense (in cold weather) and  
degrade structural components. May also cause key holes to freeze up.  
Excessive negative pressure may have several undesirable effects.  
In some geographic locations, soil gases such as methane and radon  
gas may be drawn into the home through basement/ground contact  
areas. Excessive negative pressure may also cause the backdrafting of  
vented combustion equipment.  
This is an example for determining the airflow in a 6" duct.  
The Pitot tube reading was 0.025 inches of water.  
From the chart, this is 640 feet per minute.  
The 6" duct has a cross sectional area of  
The airflow is then:  
=
[3.14  
x
(6"÷12)2]÷4  
Read the Application Warning on the front of this manual!  
= 0.2 square feet  
Prior to balancing, ensure that:  
640 ft./min.  
X
0.2 square feet = 128 cfm  
1. All sealing of the ductwork system has been completed.  
2. All of the HRV/ERV's components are in place and functioning properly.  
3. Balancing dampers are fully open.  
For your convenience, the cross sectional area of some common  
round duct is listed below:  
4. Unit is on HIGH speed.  
DUCT DIAM. (inches)  
CROSS SECTION AREA (sq. ft.)  
5. Air flows in branch lines to specific areas of the house should be  
adjusted first prior to balancing the unit. A smoke pencil used at the  
grilles is a good indicator of each branch line's relative air flow.  
6. After taking readings of both the stale air to the HRV/ERV duct and  
fresh air to the house duct, the duct with the lower CFM ([L/s]  
velocity) reading should be left alone, while the duct with the higher  
reading should be dampered back to match the lower reading.  
7. Return unit to appropriate fan speed for normal operation  
5
6
7
0.14  
0.20  
0.27  
The accuracy of the air flow reading will be affected by how close to  
any elbows or bends the readings are taken. Accuracy can be  
increased by taking an average of multiple readings as outlined in the  
literature supplied with the Pitot tube.  
BALANCING PROCEDURE  
Pitot tube and gauge  
The following is a method of field balancing an HRV/ERV using a Pitot tube,  
advantageous in situations when flow stations are not installed in the duct-  
work. Procedure should be performed with the HRV/ERV on high speed.  
DUCT  
AIR FLOW  
The first step is to operate all mechanical systems on high speed, which  
have an influence on the ventilation system, i.e. the HRV/ERV itself and  
the forced air furnace or air handler if applicable. This will provide the  
maximum pressure that the HRV/ERV will need to overcome, and allow  
for a more accurate balance of the unit.  
Pitot Tube Air Flow  
Balancing Kit  
c/w magnehelic gauge,  
Pitot tube, hose and  
carry case.  
Pitot tube  
Magnehelic gauge  
PART NO. 99-167  
Drill a small hole in the duct (about 3/16"), three feet downstream of  
any elbows or bends, and one foot upstream of any elbows or bends.  
These are recommended distances but  
Place pitot tube a minimum of 18" from blower or elbows  
the actual installation may limit the  
amount of straight duct.  
Outdoors  
The Pitot tube should be connected to a  
magnehelic gauge or other manometer  
capable of reading from 0 to 0.25 in. (0-  
62 Pa) of water, preferably to 3 digits of  
resolution. The tube coming out of the  
top of the pitot is connected to the high  
pressure side of the gauge. The tube  
coming out of the side of the pitot is con-  
nected to the low pressure or reference  
side of the gauge.  
Pitot  
tube  
Pitot  
tube  
Magnehelic  
gauge  
Magnehelic  
gauge  
Note: Duct connections may vary,  
depending on model.  
Insert the Pitot tube into the duct; point-  
ing the tip into the airflow.  
TI-74-2C  
0105  
23  
SERVICE/ MAINTENANCE  
Servicing your HRV/ERV on a regular schedule will  
result in optimum operating efficiencies and  
prolonged life of the equipment.  
sharp, and the core itself susceptible to damage  
if dropped.  
When removing the core, the location it is removed  
from should be noted.  
Due to numerous applications in which this  
equipment can be installed, it is difficult to predict  
servicing intervals. In certain situations where there  
is heavy smoke, servicing the equipment every one -  
two months may be needed; whereas ventilating a  
meeting room for example for carbon dioxide may  
only need service every six months to a year.  
The core is removed by carefully pulling the core  
outward from the unit, sliding it evenly along its “H  
channel” supports found in each corner of the core.  
Note the core may have some resistance when  
sliding out. Avoid tilting the core as this will result in  
its edges catching the H channel and temporarily  
preventing its removal.  
MOTOR  
Access to the motor is through the front service  
doors. Note heat exchanger core can be removed to  
provide more room. See CORE in this section.  
In most cases, washing the core in a mild  
detergent and warm water will be all that  
is needed to completely clean them. Do not use  
harsh chemicals as this may cause corrosion in the  
HRV. The time between core service will depend  
on the application the HRV has been installed in.  
It can be as often as one - two months or at the very  
least, cleaned every six months. When reinstalling  
the core you must note foam location and drip  
edge location for proper core placement.  
The motor is a permanent split capacitor type (PSC)  
which uses a sleeve mechanism to steady the shaft.  
There is an oil wick beside the sleeve which supplies  
oil to it on a continuous basis.  
If the motor does not have oil tubes, no maintenance  
is required.  
See diagram below.  
Access to the wick is through oil tubes, (two per  
motor) located in the motor case itself. These oil  
tubes are either capped with yellow plugs, (which  
need to be removed for oiling) or have clear tubes  
protruding from them.  
ERV CORE (ERV only)  
Remove core and vacuum or use low pressurized air to  
clean core. Do not wash or submerse in water.  
With the core in its proper position, place the  
bottom flange, (approximately 1/4”) into its H channel  
support, then place the left side, the right side and  
finally the top flange into place in the same fashion.  
Once all four corners are in place, push the core  
evenly into the cabinet until it reaches the back. Be  
sure the drip edges are overlapping the drip trays.  
In either case an oiling device such as an “Oil  
Telespout” filled with 20 S.A.E. non-detergent electric  
motor oil should be used to put oil inside the tubes. A  
couple of drops of oil once a year will do.  
DO NOT OVER OIL!  
HRV CORE (HRV only)  
The heat exchange core is accessible through the  
front service door. Special care and attention should  
be given to this component as the edges may be  
Note the core will protrude slightly out from the front  
of the cabinet, this is so the access door, when  
closed, ensures a tight fit.  
FRONT VIEW  
Model 850  
Models 700, 1200  
Model 500  
FILTER  
FILTER  
SINGLE DRIP  
EDGE CORE  
FILTER  
DOUBLE  
DRIP EDGE  
CORE  
SINGLE  
DRIP EDGE  
CORE  
DOUBLE  
DRIP EDGE  
CORE  
DOUBLE  
DRIP  
EDGES  
DOUBLE  
DRIP  
EDGES  
FILTER  
FILTER  
FILTER  
DRAIN  
PAN  
RIGHT DRIP  
EDGE  
LEFT DRIP  
EDGE  
DRAIN PANS (not on all models)  
DRAIN PANS (not on all models)  
Note location and arrangement of cores and filters when removing.  
24  
FILTERS  
DUCT WORK  
It is a good idea to inspect ducting, outside  
weather hoods (wall caps), and grilles for blockage  
and dirt buildup, at least every six months.  
Open front service door to access the filters  
located in both supply and exhaust air streams.  
Note to remove and install filters, it may be easier  
to first remove the core(s). See CORE.  
Outside weather hoods should be protected by a  
rodent screen which can plug up with debris.  
Also, it is a good idea to visually confirm that  
the fresh air supply is free from any sources of  
contamination, such as other vented combustion  
equipment added after the fact.  
The filters are designed to stop large particles  
from entering in the core. The filters are fastened  
in place by a metal spring rod. To remove filters  
from core(s) simply pull the rod from one end,  
outward until free from core lip, and remove.  
Only use warm water with a mild detergent to  
wash the filters. Do not use harsh chemicals.  
DAMPER MOTOR  
The damper motor, (if applicable) is a self  
contained motor and does not require service.  
The damper door attached to the motor could use  
a little lithium grease on the shaft opposite the  
motor, where it enters its holder, once every  
two - three years.  
The time between filter service will depend on the  
application the HRV/ERV has been installed in. It  
can be as often as one - two months or at the  
very least, cleaned every six months.  
CONDENSATE DRAINS  
The condensate drains consist of two drain pans  
which may collect water after the HRV/ERV  
initiates a defrost cycle, and a drain line to  
remove the condensate.  
General Maint enance  
As a final step in a routine maintenance  
schedule, it is a good idea to confirm operation of  
the system, checking speed control functions and  
remote control operation, if applicable.  
Maintenance on this portion of the system should  
be done as often as possible and should not  
exceed six months. Note bacterial growth in  
standing water is a major concern to healthy  
indoor air quality, and should be avoided whenever  
possible.  
Wipe the inside of the cabinet to remove dust and  
cob webs as needed.  
It is a good idea to keep a service/maintenance  
log of the unit.  
To clean these components, open the front  
service door and flush the pans with water.  
Ensure that the pans drain completely and in a  
reasonable amount of time. Note if the water  
does not drain right away, check for blockage in  
the drain line, also check that the drain line has a  
good slope to it. (1/8 - 1/4” per foot)  
The drain line itself should have a “P” trap in it  
below the HRV/ERV which is to be filled with  
water to prevent odours or gases from entering  
back into the unit. When flushing out the drain  
pans, this too will be flushed out, and the water  
that was there will be replaced with clean water.  
25  
TROUBLESHOOTING YOUR HRV/ ERV SYSTEM  
SYMPTOM  
CAUSE  
SOLUTION  
Poor Air Flows  
• 1/4” (6 mm) mesh on the outside hoods is plugged  
• filters plugged  
• clean exterior hoods or vents  
• remove and clean filter  
• core obstructed  
• remove and clean core  
• house grilles closed or blocked  
• dampers are closed if installed  
• poor power supply at site  
• ductwork is restricting HRV/ERV  
• improper speed control setting  
• HRV/ERV airflow improperly balanced  
• check and open grilles  
• open and adjust dampers  
• have electrician check supply voltage at house  
• check duct installation  
• increase the speed of the HRV/ERV  
• have contractor balance HRV/ERV  
Supply air feels cold  
• poor location of supply grilles, the airflow may irritate  
the occupant  
• locate the grilles high on the walls or under the baseboards,  
install ceiling mounted diffuser or grilles so as not to directly  
spill the supply air on the occupant (eg. over a sofa)  
• turn down the HRV/ERV supply speed. A small duct heater  
(1kw) could be used to temper the supply air  
• placement of furniture or closed doors is restricting the  
movement of air in the home  
• outdoor temperature extremely cold  
• if supply air is ducted into furnace return, the furnace fan  
may need to run continuously to distribute ventilation  
air comfortably  
Dehumidistat is not Operating  
• improper low voltage connection  
• external low voltage is shortened out by a staple or nail  
• check dehumidistat setting it may be on OFF  
• check that the correct terminals have been used  
• check external wiring for a short  
• set the dehumidistat at the desired setting  
Humidity Levels are too High  
• dehumidistat is set too high  
• set dehumidistat lower  
Condensation is appearing on the windows  
• HRV/ERV is undersized to handle a hot tub, indoor pool, etc.  
• lifestyle of the occupants  
• cover pools, hot tubs when they are not in use  
• avoid hanging clothes to dry, storing wood and venting clothes  
dryer inside. Heating wood may have to be moved outside  
• vent crawl space and place a vapour barrier on the floor  
of the crawl space  
• moisture coming into the home from an unvented or  
unheated crawl space  
• moisture is remaining in the washroom and kitchen areas  
• ducts from the washroom should be sized to remove moist  
air as effectively as possible, use of a bathroom fan for  
short periods will remove additional moisture  
• on humid days, as the seasons change, some condensation  
may appear but the homes air quality will remain high with  
some HRV/ERV use  
• condensation seems to form in the spring and fall  
• HRV/ERV is set at too low a speed  
• increase speed of the HRV/ERV  
Humidity Levels are too Low  
• dehumidistat control set too low  
• blower speed of HRV/ERV is too high  
• lifestyle of occupants  
• set dehumidistat higher  
• decrease HRV/ERV blower speed  
• humidity may have to be added through the use of humidifiers  
• have a contractor balance HRV/ERV airflows  
• HRV/ERV air flows may be improperly balanced  
HRV/ERV and / or Ducts Frosting up  
• Note: minimal frost build-up is expected on cores before  
unit initiates defrost cycle functions  
• HRV/ERV air flows are improperly balanced  
• malfunction of the HRV/ERV defrost system  
• have HVAC contractor balance the HRV/ERV  
• using the self-test feature at the Base Module, press the fan  
control symbol, the damper defrost unit should cycle its full  
travel when working properly.  
Condensation or Ice Build Up in Insulated Duct to  
the Outside  
• incomplete vapour barrier around insulated duct  
• a hole or tear in outer duct covering  
• tape and seal all joints  
• tape any holes or tears made in the outer duct covering  
• ensure that the vapour barrier is completely sealed  
Water in the bottom of the HRV/ERV  
• drain pans plugged  
• improper connection of HRV/ERVs drain lines  
• HRV/ERV is not level  
• ensure O-Ring on drain nozzle sits properly  
• look for kinks in line  
• check water drain connections  
• drain lines are obstructed  
• make sure water drains properly from pan  
• HRV/ERV heat exchange core is not properly installed  
26  
WIRING DIAGRAM  
500 (DAMPER DEFROST)  
MICRO PROCESSOR BOARD  
P4  
THERMIST0R  
TO DISABLE  
RECIRCULATION  
REMOVE SEL2  
SEL2  
Note:  
P2  
INTERNAL  
DEHUMIDISTAT  
All control connections  
are labeled by colour.  
Connect to corresponding  
colour with low voltage wire  
( 20 gauge minimum).  
YEL  
GRN  
ORN  
RED  
BLK  
P5  
REMOVE SEL1  
FOR R-2000  
SEL1  
T1  
T2  
T6  
N/C  
A dry contact closure  
between red & black will  
initiate high speed override.  
DRY  
COMMON  
N/O  
CONTACT  
CONTROLAIR 15  
SEE  
DEFROST  
DETAIL  
WARNING  
750 ma  
MAX FUSE  
120V  
POWER SUPPLY  
CORD  
P1  
FAN MOTOR DETAILS  
DOOR SWITCH  
T7  
BLK  
BLK  
T8  
GRN  
CHASSIS  
WHITE  
T15  
AUTO-  
TRANS  
FORMER  
P3  
CAPACITOR  
P6  
T9  
1
2
T10  
T5  
T4  
T3  
WHITE  
WHITE  
T11  
T12  
GRN  
FAN MOTOR  
FAN O/P  
T13 BLACK  
T14  
BLACK  
SEE MOTOR DETAIL  
BLK  
GRN  
WHITE  
CAPACITOR  
LEGEND  
HIGH VOLTAGE  
Note:  
If any of the original  
wire as supplied with  
the unit must be replaced,  
use only TEW certified wire  
12V LOW VOLTAGE  
FAN MOTOR  
FIELD INSTALLED  
12V LOW VOLTAGE  
IMPORTANT: Control Low Voltage is 12VAC  
DO NOT CONNECT EXTERNAL POWER SOURCES TO UNIT  
DEFROST DETAILS  
AUTO-TRANSFORMER DETAIL  
PLUG IN CONNECTOR  
BLACK  
T 7  
P5  
24VAC  
transformer  
4
1
2
3
T 10  
BLACK  
WIRE CONNECTOR  
5
6
AUTO  
TRANSFORMER  
RED  
WHITE  
WHITE  
YELLOW  
120V RELAY  
COM  
WHITE  
4
P6  
P5  
DAMPER MOTOR  
24VAC WIRING  
3
PIN 1 - SPARE  
1
2
PIN 2 - BLACK  
PIN 3 - WHITE  
PIN 4 - SPARE  
P1  
2
1
N/C N/O  
P6  
PCB PLUG - IN  
PIN 1 - BLUE  
PIN 4 - RED  
PIN 1 - GREEN  
DAMPER DEFROST  
PIN 2 - YELLOW PIN 5 - WHITE  
PIN 3 - BROWN PIN 6 - BLACK  
PIN 2 - GREEN  
TI-126-NE  
0102  
27  
DfeondSwitch  
CralngSwitch  
W H I T E  
C A P A C I T O R S  
F A N M O T O R  
B L A C K  
B L A C K  
W H I T E  
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28  
DfeondSwitch  
P O W E R  
CralngSwitch  
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29  
®
COMMERCIAL LIFEBREATH  
HEAT/ ENERGY RECOVERY VENTILATORS  
• 2 Year Limited Warranty • 15 Year Aluminum Core Warranty  
• 5 Year Paper Core Warranty  
NUTECH ENERGY SYSTEMS INC.® (NUTECH) warrants to the purchaser of the Commercial  
LIFEBREATH® model and accessories referred to below, to be free from manufacturing defects.  
This Warranty is personal to NUTECH® and is in effect from the date of the original  
purchase for a period of two years, save and except that a 15 YEAR WARRANTY is given to the  
LIFEBREATH® Aluminum core & a 5 YEAR WARRANTY is given to the LIFEBREATH® Paper core  
should they develop a condensation leak or become damaged during normal use.  
Damage resulting from all other causes, including but not limited to: lighting, hurricane,  
tornado, earthquake or any other acts of God; improper installation, modification, alteration or misuse  
of the LIFEBREATH® or its operation in a manner contrary to the instructions accompanying the unit  
at the time of sale; accidental or intentional damage, neglect, improper care, or other failure by the  
owner to provide reasonable and necessary maintenance of the product; any attempt at repair by an  
unauthorized service representative or not in accordance with this warranty; or any other causes  
beyond the control of NUTECH®, are excluded from this warranty.  
If you feel that the LIFEBREATH® you purchased is not free from manufacturing defects,  
please contact NUTECH ENERGY SYSTEMS INC.®, 511 McCormick Blvd., London, Ontario N5W  
4C8, 519-457-1904 or fax 519-457-1676 to find the name of your nearest dealer in order to repair  
the product. The labour required to install any replacement part(s) shall be dealt with at the option  
of the customer in either of the following ways:  
(a) the customer may supply labour at their own expense: or  
(b) if the product was purchased from a dealer, then the dealer  
will supply labour at cost to the customer.  
NUTECH® reserves the right to replace the entire unit or to refund the original purchase  
price in lieu of repair.  
NUTECH® MAKES NO EXPRESS WARRANTIES, EXCEPT FOR THOSE THAT ARE SET FORTH  
HEREIN AND SHALL NOT BE LIABLE FOR ANY INCIDENTAL, SPECIAL OR CONSEQUENTIAL  
DAMAGES WITH RESPECT TO LIFEBREATH® COVERED BY THIS WARRANTY. NUTECH’S  
COMPLETE LIABILITY AND THE OWNER’S EXCLUSIVE REMEDY BEING LIMITED TO REPAIR OR  
REPLACEMENT ON THE TERMS STATED HEREIN. ANY IMPLIED WARRANTIES, INCLUDING BUT  
NOT LIMITED TO THE IMPLIED WARRANTY OF MERCHANTABILITY AND OF FITNESS FOR ANY  
PARTICULAR PURPOSE, ARE EXPRESSLY EXCLUDED.  
NO PERSON IS AUTHORIZED TO CHANGE THE WARRANTY IN ANY WAY OR GRANT ANY  
OTHER WARRANTY UNLESS SUCH CHANGES ARE MADE IN WRITING AND SIGNED BY AN  
OFFICER OF NUTECH®.  
MODEL NO.: __________________________________________________________________  
UNIT SERIAL NO.: ______________________________________________________________  
INSTALLED BY: ________________________________________________________________  
DATE: ________________________________________________________________________  
TI-38HRV/ERV  
30  
511 McCormick Blvd.  
London, Ontario N5W 4C8  
Ph: (519) 457-1904  
Fx: (519) 457-1676  

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