Friedrich 60 User Manual

INSTALLATION  
&
OPERATION MANUAL  
Single Package  
Vertical Air Conditioning System  
B – Series  
18,000 – 24,000 – 30,000 – 36,000 –  
42,000 – 49,000 – 60,000 Btuh  
840-170-38  
SAFETY CONSIDERATIONS  
Improper installation, adjustment, alteration, service, maintenance, or use can cause explosion, fire, electrical shock, or other  
conditionswhichmaycausepersonalinjuryorpropertydamage.Consultaqualifiedinstaller,serviceagency,oryourdistributor  
ordealerforinformationandassistance. Thequalifiedinstalleroragencymustusefactory-authorizedpartsoraccessorieswhen  
modifying this product. Refer to the individual instructions packaged with the parts or accessories when installing.  
Follow all safety codes. Wear safety glasses and work gloves. Read these instructions thoroughly and follow all warnings or  
cautions attached to the unit. Always install units in accordance with local building codes, the National Electric Code (NEC),  
and the Installation Standards, Warm Air Heating and Air Conditioning Systems ANSI/NFPA 90B for special installation  
requirements.  
GENERAL RECOMMENDATIONS (DO'S AND DON'T'S)  
DO read the instructions completely before installation.  
DO take time to perform a quality installation.  
DO NOT obstruct or restrict indoor or outdoor air paths.  
When using flex duct: DO install properly. DO NOT crush or make sharp bends in flex duct, use only gradual bends.  
DO tape and seal all duct joints.  
DO check the indoor conditioned air duct system static pressure losses. It should not exceed those listed in Table 2.  
Consult your dealer or distributor for more information.  
When designing indoor supply systems, DO NOT reduce air intakes or discharge sizes.  
DO insulate ALL conditioned air duct system components.  
DO NOT locate room thermostat near conditioned air diffusers.  
DO locate thermostat on an interior wall.  
DO check that condensate drain line drains freely.  
DO NOT let debris fall and collect in indoor or outdoor blowers.  
DO NOT drill into unit (except for 1 in. flanges for ducted return units). This could cause a refrigerant leak.  
DO handle unit with care.  
DOprovideminimuminstallationandserviceclearances.  
DO build closet so that unit may be removed if necessary.  
DO follow all guidelines for indoor and outdoor air system.  
DONOTsubstituteanycomponentswithoutcheckingwithyourdealerordistributor. Ifyoudosubstitute,getapproval  
in writing. Substitutions without approval void unit warranty.  
DO NOT guess, consult your dealer or distributor if any portion of the installation procedure is unclear.  
UNPACK AND INSPECT UNIT  
Remove shipping protection and pallet from unit and inspect for damage. Be sure to check for concealed internal shipping  
damage. Do not install a damaged unit.  
SUPPLIES NEEDED FOR INSTALLATION  
The following items are required to install unit.  
Adhesive, aluminum duct tape.  
CAUTION: Incorrect type of duct tape may be a fire hazard. A failure to follow this warning could result in a fire and  
personal injury or death.  
6-conductor thermostat cable (20 gage wire minimum).  
CAUTION: Do not use thermostat wire with less than the recommended number of conductors.  
Supplies to connect indoor air (conditioned air supply) duct to unit.  
Supplies to connect power to unit.  
Supplies to connect outdoor-air duct to unit.  
Supplies to connect condensate drain line.  
Supplies to connect low-voltage thermostat to unit.  
3
Section I – General Specifications  
VERT-I-PAK® MODEL IDENTIFICATION GUIDE  
MODEL NUMBER  
V
H
B
36 K 10 RT A  
SERIES  
ENGINEERING CODE  
OPTIONS  
V=Vertical Series  
E=Cooling with or without electric heat  
H=Heat Pump  
DESIGN SERIES  
RT = Standard Remote Operation  
A = 32" Cabinet  
B = 68" Cabinet  
NOMINAL CAPACITY  
B-Series (Btu/h)  
ELECTRIC HEATER SIZE  
B-Series  
18 = 18,000 36 = 36,000 60 = 60,000  
24 = 24,000 42 = 42,000  
30 = 30,000 49 = 49,000  
VOLTAGE  
K = 208/230V-1Ph-60Hz  
05 = 5.0 KW  
10= 10.0 KW  
15 = 15.0 KW  
20 = 20.0 KW  
25 = 25.0 KW  
B-SERIES CHASSIS SPECIFICATIONS  
M
O
D
E
L
S
:
V(E,H)B18K05  
V(E,H)B18K10 V(E,H)B24K05  
V(E,H)B24K10 V(E,H)B30K10  
V(E,H)B30K15  
V(E,H)B36K10  
V(E,H)B36K15  
C
O
O
L
I
N
G
D
A
T
A
:
Cooling Cap.  
17000  
1700  
10.0  
17000  
1700  
10.0  
22000  
2200  
10.0  
22000  
2200  
10.0  
30000  
2900  
10.0  
30000  
2900  
10.0  
35000  
3500  
10.0  
35000  
3500  
10.0  
Cooling Power (W)  
SEER  
Cooling SHR  
0.78  
0.78  
0.75  
0.75  
0.70  
0.70  
0.70  
0.70  
E
H
E
P
L
E
C
T
R
I
C
A
L
H
E
A
T
D
A
T
A
:
Heater Size (KW)  
5.0  
17050  
5000  
20.8  
10.0  
34100  
10000  
41.6  
5.0  
17050  
5000  
20.8  
10.0  
34100  
10000  
41.6  
10.0  
34100  
10000  
41.6  
15.0  
51150  
15000  
62.4  
10.0  
34100  
10000  
41.6  
15.0  
51150  
15000  
62.4  
Heating Cap. (Btu/h)  
Heating Power (W)  
Heating Current (A)  
E
A
T
P
U
M
P
D
A
T
A
:
Heating Cap. (Btu/h)  
Heating Power (W)  
Heating Current (A)  
COP  
17000  
1650  
7.3  
17000  
1650  
7.3  
22000  
2000  
9.3  
22000  
2000  
9.3  
30000  
2600  
12.0  
3.2  
30000  
2600  
12.0  
3.2  
34000  
3300  
15.0  
3.0  
34000  
3300  
15.0  
3.0  
3.0  
3.0  
3.2  
3.2  
L
E
C
T
R
I
C
L
A
L
D
A
T
A
:
Voltage (V)  
230/208  
42.5  
230/208  
42.5  
230/208  
56.0  
230/208  
56.0  
230/208  
72.5  
230/208  
72.5  
230/208  
88.0  
230/208  
88.0  
LRA - Comp. (A)  
Min. Ckt. Amps (A)+  
Power Connection  
(14) 26  
Hard Wire  
(14) 52  
(16.7) 26  
Hard Wire  
(16.7) 52  
Hard Wire  
(22.8)52  
Hard Wire  
(22.8)26,52  
Hard Wire  
(27.9)52  
Hard Wire  
(27.9) 26,52  
Hard Wire  
Hard Wire  
H
Y
S
I
C
A
D
A
T
A
:
Unit Width (in.)  
Unit Depth (in.)  
30.00  
21.00  
68.00  
320  
:
30.00  
21.00  
68.00  
320  
30.00  
21.00  
68.00  
320  
30.00  
21.00  
68.00  
320  
30.00  
21.00  
68.00  
330  
30.00  
21.00  
68.00  
330  
30.00  
21.00  
68.00  
340  
30.00  
21.00  
68.00  
340  
Unit Height (in.)  
Shipping Weight (lbs.)  
A
I
R
F
L
O
W
D
A
T
A
Indoor CFM  
640  
65  
640  
65  
800  
65  
800  
65  
1000  
65  
1000  
65  
1050  
65  
1050  
65  
Fresh Air CFM  
Indoor Motor  
1/3  
1/3  
1.0  
1/3  
1.4  
1/3  
1.0  
1/3  
1.4  
1/3  
1.0  
1/3  
1.4  
1/3  
1.8  
1/3  
2.2  
1/3  
1.8  
1/3  
2.2  
1/3  
2.5  
1/2  
3.0  
1/3  
2.5  
1/2  
3.0  
Indoor Motor Amps  
Outdoor Motor  
1.0  
1/3  
Outdoor Motor Amps  
1.4  
4
+ Value in ( ) is for the unit  
power. Value outside of ( )  
is for electric heat only. See  
Page 12.  
M
C
O
D
E
L
S
:
V(E,H)B42K10  
V(E,H)B42K15  
V(E,H)B49K15  
V(E,H)B49K20  
V(E,H)B60K20  
V(E,H)B60K25  
O
O
L
I
N
G
D
A
T
A
:
Cooling Cap.  
42000  
4500  
9.8  
42000  
4500  
9.8  
48500  
5500  
9.8  
48500  
5500  
9.8  
58000  
6450  
9.9  
58000  
6450  
9.9  
Cooling Power (W)  
SEER  
Cooling SHR  
0.72  
0.72  
0.69  
0.69  
0.72  
0.72  
E
H
E
L
E
C
T
R
I
C
M
C
L
A
L
H
E
A
T
D
A
T
A
:
Heater Size (KW)  
10.0  
34100  
10000  
41.6  
15.0  
51150  
15000  
62.4  
15.0  
51150  
15000  
62.4  
20.0  
68200  
20000  
83.2  
20.0  
68200  
20000  
83.4  
25.0  
Heating Cap. (Btu/h)  
Heating Power (W)  
Heating Current (A)  
85250  
25000  
104.2  
E
A
T
P
U
P
D
A
T
A
:
Heating Cap. (Btu/h)  
Heating Power (W)  
Heating Current (A)  
COP  
40000  
4000  
19.0  
3.0  
40000  
4000  
19.0  
3.0  
47000  
4800  
22.0  
3.0  
47000  
4800  
22.0  
3.0  
59000  
5636  
25.0  
3.0  
59000  
5636  
25.0  
3.0  
L
E
C
T
R
I
A
L
D
A
T
A
:
Voltage (V)  
LRA - Comp. (A)  
230/208  
104.0  
230/208  
104.0  
230/208  
129.0  
230/208  
129.0  
230/208  
169.0  
230/208  
169.0  
Min. Ckt. Amps (A) +  
Power Connection  
(33) 52  
Hard Wire  
(33) 26,52  
Hard Wire  
(40.5) 26,52  
Hard Wire  
(40.5 ) 52,52  
Hard Wire  
(49) 52, 52  
Hard Wire  
(49), 26, 52, 52  
Hard Wire  
P
H
Y
S
I
C
A
D
A
T
A
:
Unit Width (in.)  
Unit Depth (in.)  
Unit Height (in.)  
38.00  
28.00  
68.00  
440  
38.00  
28.00  
68.00  
440  
38.00  
28.00  
68.00  
460  
38.00  
28.00  
68.00  
460  
45.00  
30.50  
77.00  
540  
45.00  
30.50  
77.00  
540  
Shipping Weight (lbs.)  
A
I
R
F
L
O
W
D
A
T
A
:
Indoor CFM  
Fresh Air CFM  
Indoor Motor  
1400  
70  
1400  
70  
1400  
70  
1400  
70  
1800  
70  
1800  
70  
1/2  
3.0  
3/4  
4.7  
1/2  
3.0  
3/4  
4.7  
1/2  
3.0  
3/4  
4.7  
1/2  
3.0  
3/4  
4.7  
1/2  
1/2  
Indoor Motor Amps  
Outdoor Motor  
3.1  
3.1  
1/3 (2)  
5.0  
1/3 (2)  
5.0  
Outdoor Motor Amps  
Section II – Dimensional Data  
Figure 1  
V(E,H)B18,24,30,36 Unit Dimensions (Inches)  
CONDENSATE  
DRAIN EXIT 2"  
ABOVE FLOOR  
5
Figure 2  
V(E,H)B42, 49 Unit Dimensions (Inches)  
Figure 3  
V(E,H)B60 Unit Dimensions (Inches)  
Section III – Installation  
TheVert-I-Pak was designed for installation in residential and light commercial applications. These instructions detail a  
typical method of installation. Figure 4 shows the typical component location and airflow paths through the unit.  
Units are available in three return air configurations: front "free-return" with disposable filter; front ducted return with 1"  
duct flange; and left side ducted return with 1" duct flange. See Figure 10 on Page 11.  
6
Figure 4  
Unit Configuration  
1) INDOOR AND OUTDOOR AIR REQUIREMENTS  
The indoorandoutdoorairsystemsaredesignedtooperateatspecifiedairflowratesandexternalstaticpressures. Thesupply  
and return air duct system pressure losses (including filter, louver/grille and registers) must not exceed the listed external  
static pressures for either the indoor or outdoor air systems.  
CAUTION: Failure to adhere to indoor air and outdoor air requirements as listed in the following sections will void unit  
warranty.  
A. Outdoor Air System  
Asacompletelyself-containedsystem,theVert-I-Pakunitrequiresanadequatesupplyofoutdoorairtoexchangeheatfrom  
the outdoor air coil. The outdoor air intake and discharge openings are located on the back side of the unit. The unit may  
be installed where the outdoor air path runs through the wall of the building directly behind the unit or where the outdoor air  
intake and discharge paths are ducted separately away from the unit. Figure 9 shows two typical ducted OA designs.  
CAUTION: To ensure proper operation, the outdoor air intake and discharge air paths must be free and unobstructed.  
Thetwoairpathsmustbesituatedtoensurethattheintakeanddischargeairdonotrecirculate(alsocalledshort-circuit).  
7
Figure 5  
VPBWP3 – 8/14 Wall Plenum  
For Models  
VE/VHB18  
VE/VHB24  
Figure 6  
VPBWP4 – 8/14 Wall Plenum  
For Models  
VE/VHB18  
VE/VHB24  
VE/VHB30  
VE/VHB36  
8
Figure 7  
VPBWP5 – 8/14 Wall Plenum  
For Models  
VE/VHB42  
VE/VHB49  
Figure 8  
VPBWP6 – 8/14 Wall Plenum  
For Model  
VE/VHB60  
9
B. Ducted Condenser Air  
For ducted outside air applications, the combined pressure losses of the intake and discharge air paths must not exceed  
the external static capabilities of the system at the design airflow (See Table 3).  
Outdoor Fan Performance  
Table 1  
Model  
0.1  
0.2  
0.3  
0.4  
0.5  
790  
VE/HB18  
VE/HB24  
VE/HB30  
VE/HB36  
VE/HB42  
VE/HB49  
VE/HB60  
1300  
1300  
1300  
1730  
2100  
2600  
2990  
1180  
1180  
1200  
1660  
2000  
2500  
2900  
1100  
1100  
1100  
1600  
1900  
2400  
2800  
950  
950  
790  
1000  
1560  
1800  
2300  
2670  
810  
1400  
1700  
2100  
2450  
Note: Italic type indicates performance outside the required operating  
window of ± 10% of rated SCFM.  
Figure 9  
Typical Ducted Outside Air Configuration  
EXHAUST  
INTAKE  
EXHAUST  
CEILING  
CEILING  
BACK  
OF  
UNIT  
OUTDOOR  
AIR INTAKE  
OUTDOOR  
AIR  
INTAKE  
OUTSIDE  
WALL  
OUTSIDE  
WALL  
OUTSIDE  
WALL  
OUTDOOR AIR  
EXHAUST  
OUTDOOR  
AIR EXHAUST  
FLOOR  
FLOOR  
INTAKE  
10  
C. Indoor-Air (Conditioned Supply Air) System  
TheVEB/VHBseriesunitmaybeappliedineitherafreereturnairconfigurationoraductedreturnairconfiguration. Thesupply  
airpathisintendedtobeducted. Thedesignandconstructionoftheindoor-airsystemmustprovideadequateairdistribution  
to ensure comfort levels throughout the structure.  
Thecombinedpressurelossesofthereturnandsupplyairpathsmustnotexceedtheexternalstaticcapabilitiesofthesystem  
at the design airflow (See Table 2).  
If the unit is installed in a closet behind a door and the return air louver or grille is directly opposite the unit RA opening, 2-  
in. clearance is required between the front of the unit and the back side of the louver or grille. If the louver or grille is located  
elsewhere on the door so it is not directly in front of the RA opening, a minimum of 7-in. clearance is required between the  
front of the unit and the back side of the door. The minimum "net free open area" required for the RA louver or grille is listed  
in Table 2.  
Indoor Fan Performance  
Table 2  
Indoor Blower Air Flow, SCFM (ARI RATED as shown)  
RA Grille Minimum Net  
Free Open Area (Sq. In.)  
Model  
ESP  
0.1  
0.2  
0.3  
0.4  
0.5  
VE/HB18  
VE/HB24  
VE/HB30  
VE/HB36  
VE/HB42  
VE/HB49  
VE/HB60  
Indoor  
Indoor  
Indoor  
Indoor  
Indoor  
Indoor  
Indoor  
850  
980  
750  
890  
640  
800  
550  
720  
940  
450  
650  
250  
300  
375  
400  
525  
525  
675  
1120  
1220  
1570  
1670  
1980  
1070  
1120  
1510  
1610  
1920  
1000  
1050  
1470  
1570  
1860  
830  
990  
860  
1400  
1500  
1800  
1350  
1450  
1700  
Note: Italic indicates performance outside the required operating window of +/- 10% of rated SCFM. All values are wet  
coil with filter installed.  
Figure 10  
Return Air Options  
Front Free  
Return  
Front Ducted  
Return  
Side Ducted  
Return  
NOTE: Ducted return air configurations require field fabrication of a duct-mounted filter box. Filters are not  
supplied with units configured for ducted return.  
11  
2) Electrical  
DANGER: Electrical shock hazard. Turn OFF electric power at the fuse box or service panel before making any  
electrical connections and ensure a proper ground connection is made before connecting line voltage. Failure to do  
so can result in property damage, personal injury and/or death.  
A. Grounding  
CAUTION: Theunitmustbeelectricallywiredandgroundedinaccordancewithallstateandlocalcodes,nationalelectric  
code, andNFPA70. UnitandcontrolswillNOToperateunlessproperlygrounded. Agroundlugisprovidedforground  
connection. Use only approved copper wire and connectors from unit to service panel.  
B. Power Supply  
NOTE: Linevoltagecircuitiscompletelyfactorywired. Makealllinevoltageconnectionsinsidecircuitbreakerjunctionbox.  
ThecircuitbreakersorfusesusedforbranchcircuitprotectionshouldbeULrecognized. Ifcircuitbreakersareused,thecircuit  
breakerforthecompressorcircuitmusthaveaULHACRrating. Iffusesareused,thefuseforthecompressorcircuitMUST  
be time delay type.  
CAUTION: Unitsaredualvoltagerated208-230/1/60. The24Vcontroltransformermustbeconnectedforeither208V  
or 240V power source for proper operation. Line voltage must not exceed 253V or go below 197V. The transformer  
connection must be changed for 208V operation.  
Depending on auxiliary heater size, unit must be supplied with 2 or 3 separate 208V or 240V circuits from structures fuse  
box or service panel. Each circuit is internally connected to a circuit breaker located in the unit control box located at the  
front center of the unit. Refer to Table 4 and Table 5 for required circuits and recommended wire size for each circuit.  
Minimum Circuit  
Ampacity  
Maximum Fuse2 or  
Minimum Wire Size1 Breaker Size Amps  
Model  
Compressor Amps Outdoor Fan Amps Indoor Fan Amps  
V(E,H)B18  
V(E,H)B24  
V(E,H)B30  
V(E,H)B36  
V(E,H)B42  
V(E,H)B49  
V(E,H)B60  
9.3  
1.4  
1.4  
2.2  
3.0  
4.5  
5.0  
5.0  
1.0  
1.0  
1.8  
2.5  
3.0  
3.0  
3.1  
14.0  
16.7  
22.8  
27.9  
33.0  
41.0  
49.0  
12  
12  
10  
8
20  
25  
30  
40  
50  
60  
60  
11.4  
15.0  
17.9  
20.4  
26.4  
32.1  
8
6
6
He ater Size  
(KW)  
Chassis  
Available  
Ckt #1  
Ckt #1 Wire Ckt #1 Max. Ckt #2 & 33  
Ckt #2 & 33  
Ampacity  
Ckt #2 & 33  
Wire Size1  
Ckt #2 & 33  
Max. Fuse2  
Ckt #1 Amps  
20.8  
Ampacity  
Size1  
10  
6
Fuse2  
Amps  
N/A  
5.0  
18/24  
26.0  
52.0  
26.0  
52.0  
26.0  
30  
N/A  
N/A  
N/A  
N/A  
6
N/A  
N/A  
60  
10.0  
15.0  
20.0  
25.0  
18/24/30/36/42  
30/36/42/48  
48/60  
41.6  
60  
N/A  
20.8  
10  
6
30  
41.6  
41.6  
41.6  
52.0  
52.0  
52.0  
41.6  
60  
6
60  
60  
20.8  
10  
30  
6
60  
1
If wire is applied at ambient greater than 30°C (86°F), consult Table 310-16 of the NEC (ANSI/NFPA 70). The ampacity of nonmetalic-sheathed  
cable (NM), trade name ROMEX, shall be that of 60°C (140°F) conductors, per the NEC (ANSI/NFPA 70) Article 336-30. If other than uncoated (non-  
plated), 60°C or 75°C (140°F or 167°F) insulation, copper wire (solid wire for 10 AWG and smaller, stranded wire for larger than 10 AWG) is used,  
consult applicable tables of the NEC (ANSI/NFPA 70).  
2
3
Time-delay fuse.  
Circuit #3 is only used for 25kw heater.  
Heat Pump  
(Field Wiring)  
Heat Pump  
Auxiliary  
Heater #1  
(Field Wiring)  
Auxiliary  
Heater #1  
Ground  
(Field Wiring)  
Auxiliary  
Heater #2  
Auxiliary Heater #2  
(Field Wiring)  
Ground Lug  
Line Voltage And Ground Connections  
Unit Wiring with VPDB1 Distribution Block  
12  
3) THERMOSTAT MOUNTING AND WIRING  
A. Thermostat Location  
Locate the thermostat about 5 ft. above the floor in an area with good circulation at average indoor temperature.  
Do not mount the thermostat where it may be affected by:  
Drafts or dead-air spots behind doors and in corners.  
Hot or cold air flow from ducts.  
Radiant heat from sun or appliances.  
Concealed pipes or chimneys.  
Unheated (uncooled) areas behind thermostat, such as an outside wall.  
B. Thermostat Mounting and Wiring  
The thermostat is a precision instrument and was carefully adjusted at the factory. Handle it carefully.  
CAUTION: Disconnect the power supply before beginning installation of the thermostat to prevent electrical shock  
or equipment damage. Do not short across the thermostat terminals. This can burn out the thermostat anticipator.  
All wiring for the thermostat circuit must comply with NEC, state and local codes. Use No. 20 AWG color-coded,  
insulated (35°C minimum) wire. If the thermostat is located more than 100 ft. from the unit (as measured along the  
control voltage wires), use No. 18 AWG color-coded wires to avoid excessive voltage drop.  
1. In replacement applications, check the existing thermostat wiring for cracked or frayed insulation. Replace any  
wiring in poor condition. All wiring must comply with local codes and ordinances.  
2. Run wiring (if necessary) to the location. Thread the wires through a hole in the packing material saved in Step 2.  
Connect the wires to the terminals on the back of the thermostat. (See Figure 11.)  
3. Push the excess wire back through the hole and plug any opening with packing material to prevent drafts that may  
affect thermostat performance.  
4. Loosely secure the thermostat to the wall with screws through the two mounting holes in the middle of the thermo-  
stat.  
5. Level the thermostat. Tighten the two mounting screws.  
6. Replace the thermostat cover.  
C. Wire Thermostat Cable to Unit Terminal Strip  
Attach thermostat wires to low-voltage terminal block on left side of control box in locations indicated in Figures 1, 2 & 3.  
Figure 11  
G
R
Y
B
W
E
C
2
Fan  
Compressor  
Auxiliary  
Heat  
Common  
Thermostat  
Wiring  
24V  
R
Reversing  
Valve  
Emergency  
Heat  
G
Y
B
W2  
E
X
13  
4) CONDENSATE DRAIN LINE  
The condensate drain exits the unit 2" above floor level at the right side front corner of the unit. The condensate drain line  
is already internally trapped therefore, no external condensate trap is required.  
Install a condensate drain line of the same size as the drain fitting on the unit. PVC plastic pipe (3/4 in. I.D.) makes an ideal  
condensate line (if local codes allow).  
Run condensate drain line from unit to floor drain or outside perimeter of building per local codes.  
The condensate line must have a minimum drop of 1/4" per running foot as it leaves the unit. When a horizontal run of 15  
ft. or longer is required, it may be necessary to install a vent tee in the drain line near the unit or use a larger diameter drain  
line. This is to eliminate air trapping and allow proper condensate drainage.  
Heat pumps generate condensate during both cooling and heating modes. Condensate drain line must be protected from  
freezing to prevent condensate from backing up in unit during freezing outdoor conditions.  
NOTE: If the unit is to be installed in an attic or furred space where damage may result from condensate overflow, it may  
be necessary to provide a field-supplied secondary drain pan. Always refer to local and national codes.  
INSTALLATION - FINAL CHECKLIST  
Is power to the unit ON?  
Is ductwork sealed for an airtight  
fit?  
Is the thermostat level and  
properly installed?  
!
!
!
!
!
!
Are circuit breakers/power  
Is the condensate drain line  
Is the heat anticipator indicator  
set to the correct setting.?  
disconnect inside of the unit  
ON?  
installed and run to an  
appropriate disposal site.?  
Test Run  
Test run in Heating, Cooling, and Emergency Heat mode as follows:  
a. Set fan control to ON. If fan runs, return control to AUTO setting. This verifies fan is working properly.  
b. Set system control from OFF to COOL. Lower temperature selector to 50°F or lower. The compressor should  
energize and cool air should flow from room registers. Once cooling test is complete, return system control to OFF  
setting. Wait 5 minutes.  
c. Set system control to HEAT and raise temperature selector to 80°F or higher. Compressor should energize, and  
warm air should flow from room registers.  
d. Set system control to EM HEAT (Emergency Heat). Compressor should turn off and warm air should continue to  
flow from the registers. (This step is for heat pumps only.)  
NOTE: During EM HEAT operation, temperature of air flowing from room registers may be slightly warmer than  
during normal HEAT mode operation.  
Leave both Installation Manual and Users Manual with owner or user of equipment.  
After 72 hours of operation, the unit will achieve full rated operating performance.  
14  
Section IV – OWNER'S MANUAL AND OPERATING  
INFORMATION  
IDENTIFYING YOUR SYSTEM  
Take the time to familiarize yourself with the type of system you have. This knowledge will be of use in understanding the  
basic operation of your unit.  
A self-contained unit, like the Vert-I-Pak, has all of its major components in one cabinet located inside your home. The unit  
does not have a separate outdoor unit like a traditional split-systemair conditioner or heat pump. Figure 4 shows the  
location of the major components inside the cabinet.  
The product model and rating data label is affixed to the unit front panel and provides the necessary information for specific  
identification of the unit. You should familiarize yourself with the model and serial numbers listed on the label.  
IMPORTANT FACTS  
To better protect your investment and to eliminate unnecessary service calls, familiarize yourself with the following facts:  
Your system should never be operated without a clean air filter properly installed. A dirty, clogged air filter will increase  
operating costs and shorten the life of the unit. The air filter should be replaced as it becomes dirty.  
Supply-air and return-air registers should not be blocked. Restricted airflow reduces the efficiency and life span of your  
unit.  
For your system to function properly, it MUST have a constant supply of outdoor air to the outdoor air coil located inside  
the unit. The outdoor-air intake and exhaust openings are located on the back side of the unit. Familiarize yourself with the  
outside air openings on the building and check to ensure that they are not obstructed.  
Thermostat  
Your multipurpose indoor thermostat is the control center for your comfort system. You should familiarize yourself with its  
proper operation. Attempting to control the system by other means for instance, switching the electrical supply power ON  
and OFF may cause damage to the unit.  
With some thermostats, increasing the HEAT mode temperature set point more than 2°F may cause the auxiliary electric  
heaters to operate to satisfy the call for heating. To minimize energy costs, do not increase the HEAT mode temperature  
set point by more than 2°F at a time.  
Depending on the design of your home and its ventilation ductwork and registers, areas of warm or cool air may develop  
throughout the home. Operating the unit with the fan switch ONincreases air mixing throughout the home and reduces  
temperature variations within the home.  
Dehumidification  
Duringthecoolingseason, theVert-I-Pakalsodehumidifiestheairinthehomewhileisitcoolingtheair. Afterafewminutes  
of operation, water should run freely from the condensate drain line extended to the outside of your home. If condensate  
isnotrunningfromthedrainline,checktobesurethatthedrainhoseorpipeisproperlyconnectedtothedrainfittinglocated  
on the bottom of the unit which is accessible from beneath the home. Check the drain line periodically during the cooling  
season to ensure the condensate is running freely from outside the home and draining away from the homes foundation.  
(Note: in lower humidity climates, the indoor air may be too dry to generate condensate during the cooling mode.)  
Heat Pump  
If you are a first-time owner of an all-electric heat pump, the operating characteristics of the system may be different than  
you are accustomed to as compared to conventional electric resistance, gas or oil furnaces. Air entering a conventional  
furnace at 60°F may be warmed 60° to 100°F. The supply air leaving the registers would then be between 120° and 160°F  
depending on the system. A heat pump warms the same 60°F air 20° to 30°F. The supply air leaving the registers would  
then be between 80° and 90°F. This air may feel cool because it is slightly less than your body temperature. However, it  
is sufficiently warm to keep you comfortable and is adding heat to your home. A heat pump will run for much longer periods  
of time than a conventional furnace. This longer operational time is normal for all heat pumps and is saving you energy in  
comparison to many conventional furnaces. On days with outdoor temperatures below 40°F, it is normal for the heat pump  
15  
to run for extended periods of time and may be assisted by the auxiliary electric resistance heating elements. Once you  
understandtheoperationofyournewheatpump,youwillappreciateitsconstant,evenheatandlowerenergyconsumption.  
Heat Mode Operation  
Duringtheheatmodeofoperation,frostoricemaybuildupontheoutdoor-aircoilafteroperatingforextendedperiodsduring  
particularly cool and humid weather. When this occurs, your heat pump senses this condition and goes through a defrost  
cycle. During the defrost cycle, the outdoor-air blower is turned off, and the reversing valve reverses the flow of refrigerant  
through the outdoor-air coil so it is heated and the frost or ice melts. You may notice the defrost cycle inside your home by  
a faint click and hissing sound and a slight change in the sound created by the blower as the defrost cycle begins and ends.  
During the defrost cycle, you may also notice that the air is quickly heated as the defrost cycle ends. Outside the home, a  
cloud of water vapor created by the melting frost or ice may be visible as it is exhausted. This is normal and keeps the unit  
working efficiently. Do not be alarmed!  
Condensate  
The heat pump may generate condensate during both the cooling and heating modes of operation. For proper operation,  
a condensate drain line must be extended from the drain fitting on the right side of the unit to the perimeter of the home  
ortoaproperdrainlocation.Thedrainlinemustbeslopedtowardstheoutsideofthehomeordrain locationandbeprotected  
from freezing.  
NOTE: In order for condensate to drain freely, the unit must be installed level.  
OPERATING THE VERT-I-PAK  
THERMOSTAT OPERATION  
Theoperationofthesystemiscontrolledbytheindoorthermostat. Mostthermostatshave3controls:atemperaturecontrol  
selector, a FAN control, and a SYSTEM or MODE control. (See Figure 3.)  
The temperature control is a selector or set of buttons that allows you to establish the degree of temperature that you wish  
to maintain for your personal comfort. Some thermostats have two temperature control selectors: one for setting the  
temperature desired during the cooling cycle, and one for setting the heating operation temperature.  
Typical settings are 78°F for cooling and 68°F for heating.  
Fan Control  
The FAN control offers two options for controlling the indoor-air blower: AUTO and ON. When the FAN control is set to  
AUTO, the blower will operate only while the thermostat operates the cooling or heating equipment. When the FAN control  
is set to ON, the blower will operate continuously regardless of whether cooling or heating equipment is operating. This  
setting allows for continuous air circulation and filtration.  
16  
System Control  
TheSYSTEMorMODEcontrolonyourthermostatoffersthefollowingselections:COOL,OFF,HEAT,andEMHEAT.Neither  
thecoolingnorheatingequipmentwilloperatewhentheSYSTEMorMODEcontrolissettoOFF.WiththeSYSTEMorMODE  
control set to COOL, your unit will operate in cooling mode. With the SYSTEM or MODE control set to HEAT, your unit will  
operateinheatingmode.  
Auxiliary Heating  
Yoursystemalsoincludesanauxiliaryelectricheatingsource.TheSYSTEMorMODEcontroloptionsHEATandEMHEAT  
provideconvenientselectionbetweenthetwoheatingappliances.TheheatpumpwilloperatewhenSYSTEMorMODEcontrol  
is set to HEAT. The auxiliary electric heater may also be used on cold days to supplement heat pump heating. With the  
SYSTEM or MODE control set to EM HEAT, the heat pump is turned off and the auxiliary electric heat is activated. The unit  
is now operating as an electric furnace.  
On heat pump systems, the wall thermostat regulates the use of auxiliary electric heat to maximize energy efficiency and  
your homecomfort.  
COOLING CYCLE  
Whenoperatinginthecoolingcycle,yourunitwilloperateuntiltheindoortemperatureisloweredtothelevelyouhaveselected  
ontheindoorthermostat.Onextremelyhotdays,yourunitwilloperateforlongerperiodsoftimeandhaveshorteroffperiods  
than on moderate days.  
Thefollowingaretypicalconditionsthataddextraheatand/orhumiditytoyourhomeandforceyourcoolingunittoworklonger  
to keep your home comfortable:  
Entrance doors are frequently opened and closed.  
Laundryappliancesarebeingoperated.  
A shower is running.  
More than the usual number of people are present in the home.  
More than the normal number of electric lights are in use.  
Drapes or blinds are open on the sunny side of the building or home.  
HEATING CYCLE  
WiththeSYSTEMcontrolofyourindoorthermostatsettoHEAT,theheatingsectionofyourhomecomfortsystemwilloperate  
untilroomtemperatureisraisedtothelevelyouhaveselected.Ofcourse,theheatingunitwillhavetooperateforlongerperiods  
tomaintainacomfortableenvironmentoncoolerdaysandnightsthanonmoderateones.Whenthedemandisgreaterthan  
the capacity of the heat pump alone, the auxiliary electric heaters will supplement the heat pump.  
NOTE: Non-Heat Pump models use a single stage heat thermostat. When a demand for heat is made,  
these units will use the electric heat strip heat immediately.  
DEFROST CYCLE  
When your heat pump is providing heat to your home and the outdoor temperature drops below 45°F, moisture may begin  
tofreezeonthesurfaceoftheoutdoor-aircoil.Ifallowedtobuildup,thisicewouldimpedeairflowacrossthecoilandreduce  
theamountofheatabsorbedfromoutsideair.Tomaintainenergy-efficientoperation,yourheatpumphasanautomaticdefrost  
cycle.  
Thedefrostcyclewilloccuronlyificeissufficienttointerferewithnormalheatingoperation.Aftericeismeltedfromtheoutdoor-  
air coil, the unit automatically switches back to normal heating mode.  
Do not be alarmed if steam or fog appears at the outdoor-air exhaust during the defrost cycle. Water vapor from the melting  
ice may condense into a mist in the cold outdoor air.  
17  
PERFORMING ROUTINE MAINTENANCE  
With the proper maintenance and care, your system will operate economically and dependably. Maintenance can be  
accomplished easily by referring to the following directions. However, before performing any maintenance, consider these  
importantsafetyprecautions:  
WARNING: Electrical Shock Hazard. Before attempting any service work or routine maintenance, turn off all electrical  
connections to the unit. Failure to do so may result in property damage, personal injury and/or death.  
CAUTION: Although great care has been taken to minimize sharp edges in the construction of your unit, be extremely  
careful when handling parts or reaching into the unit.  
REPLACE AIR FILTER  
A dirty air filter reduces the efficiency of your Vert-I-Pak and allows lint and dirt to accumulate on the indoor-air coil. Lint and  
dirt on the indoor-air coil can damage your unit and void the warranty. The air filter should be replaced as it becomes dirty.  
To replace the filter (front air return units):  
1. Slide the filter to the right until it clears the filter rails (See Figure 12).  
2. Removethefilter.  
3. Install new disposable filter.  
CAUTION: Do not operate your system without a filter in place, nor block the front of the unit return air opening.  
Filter Replacement  
Figure 12  
Filter Rails  
Air Filter  
To remove the filter,  
slide it to the right side  
of the unit as shown.  
Removing the Filter From the Front Filter Rack  
18  
INSPECT AND CLEAN INDOOR-AIR COIL  
Eventually, minor amounts of lint and dirt may pass through the filter and collect on the indoor-air coil. These minor  
accumulationscanbecarefullyvacuumedawaywithabrushattachmentonavacuumcleaner.Caremustbetakentoavoid  
bending the aluminum fins on the coil. Bent fins should be straightened using a special fin tool available from most HVAC  
service technicians.  
INSPECT OUTDOOR-AIR INTAKE AND EXHAUST  
The units outdoor-air intake and outdoor-air exhaust paths must remain clear. Check the OA exhaust frequently. Keep it  
freeofalldebris, snow, orice. TheOAintakeshouldalsobekeptfreeofobstructions. BlockingtheOAexhaustorOAintake  
opening will reduce the efficiency of your unit, could damage it, and void your warranty.  
INSPECT AND CLEAN CONDENSATE DRAIN  
Thecondensatedrainmustberoutedtoasuitabledrainagearea. Checktheunitcondensatedrainperiodically. Keepitfree  
ofanythingthatmayblockorimpedetheflowofcondensatewater. Ifthereisanyaccumulationofforeignmatterinthedrain  
pipe, it should be removed and cleaned. The entire drain line must be protected from freezing.  
19  
Use Factory-Certified Parts  
FRIEDRICH AIR CONDITIONING CO.  
Post Office Box 1540 San Antonio, Texas 78295-1540  
4200 N. Pan Am Expressway San Antonio, Texas 78218-5212  
(210) 357-4400 FAX (210) 357-4480  
Printed in the U.S.A.  

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