Trion Air Boss 60 User Manual

Field Assembled  
ELECTRONIC  
AIR CLEANER  
AIR BOSS Model 60 Series  
without  
Integral Washing System  
INSTALLATION  
OPERATION  
SERVICE  
For Model Numbers  
60- ___-01  
Electrostatic Precipitators for  
Commercial & Industrial  
Applications  
101 McNeill Road Sanford, NC 27330  
(919) 775-2201 Fax: (919) 774-8771 (800) 884-0002  
MANUAL Form No. 61-0147B Sept 01  
SECTION I DESIGN  
To maintain the selected cleaning efficiency, it is  
important to assure that the total air volume (capacity in  
CFM) is uniformly distributed across the entire face area  
of the unit. However, since most air ducts are designed  
to handle air velocities greater than the rated velocity of  
the air cleaner, it is necessary to properly transition any  
attached ducting. If possible, a contraction ratio of 1 in 3  
(approximately 20°) should be maintained. If space  
prohibits, turning vanes, air baffles or other means may  
be utilized. Ducting – where attached to the sheet metal  
panels – should be gasketed, caulked or otherwise  
made water and airtight.  
FOR THE SYSTEM DESIGN ENGINEER  
1. General Description  
Model 60 equipment consists of factory-assembled  
components to be “built-up” in the field into a completed  
unit. Depending on the system requirements, the  
installation may consist of a single unit or a multi-section  
unit. A multi-section unit is simply two or more single  
units placed side-by-side.  
The factory-assembled components are designed to be  
mounted on a field prepared pad in the form of a drain  
basin, typically constructed of poured concrete.  
When there is a danger of rain, snow or debris being  
drawn into the system with outside air, the make-up air  
intake should be protected with rain louvers, hooding  
and hardware cloth to prevent the rain, snow or debris  
from entering the electronic air cleaner.  
The standard major components supplied with each unit  
for installation are as follows:  
A. Framework – Support members, complete with  
sheet metal panels on the top and sides, to receive  
and locate the ionizing-collecting cells.  
Contaminants to be collected – such as oils in vaporous  
state – must be condensed into particulate form prior to  
entering the ionizing-collecting cells in order to maintain  
the anticipated efficiency. Gases, vapors or any non-  
particulate cannot be precipitated and will therefore  
pass through the air cleaner. Any condensing that takes  
place downstream from the air cleaner defeats the  
purpose. By the same token, heavy concentrations of  
water vapor, or other matter that becomes highly  
conductive when condensed, must be prevented from  
entering and/or condensing in the collecting elements to  
prevent electrical arc over and shorting.  
B. Ionizing-Collecting Cells – The elements used to  
remove and collect the contaminants from the air  
stream.  
C. Control/Power Supply Box(s) – Located in the  
control enclosure and converts 115VAC to the high  
voltage DC required to energize the ionizing-  
collecting cells.  
The programmable logic controller (PLC) electrically  
sequences the washing operation. The Pulse Width  
Modulated (PWM) power supplies, providing the  
necessary high voltage for the air cleaner and the  
controls initiating and sequencing the wash cycle  
are furnished in a NEMA 12 enclosure designed for  
remote mounting. The distance between the  
controller and unit must be determined as the  
interconnecting high voltage leads are furnished to  
the specified length. Consult factory for distances  
greater than 50 ft. Cables are not to be spliced at  
any point along their length. In addition, the  
enclosure is a central junction for the primary wiring.  
SAFETY NOTE:  
Factory designed access to all electrically charged  
high voltage components contain electrical  
interlocks for the safety of operating personnel. Any  
additional access that may be provided in the  
system, where there is access to high voltage, must  
be equipped with such interlocks. Interlocks are  
readily available from the factory.  
A foundation and drain basin design must be provided  
to carry off the wash water used to clean the ionizing-  
collecting cells. It is suggested that a new concrete  
basin be poured prior to the scheduled shipment of the  
hardware. Refer to Figure 3, Recommended Foundation  
and Drain Basin Layout Drawing.  
D. Accessories – Electrical interlocks, lights and  
switches for safety and monitoring.  
Serious consideration should be given to any deviation  
from the suggested design, which would result in  
improper drainage, leakage, air bypass and mounting.  
Note: Trion Tridex Detergent is specially formulated  
for use with Trion electronic air cleaners. Use of  
other cleaners and detergents, not specifically  
approved by Trion, will cause possible failures in  
the unit and will void any and all warranties on our  
equipment.  
In addition to the governing plumbing codes, the  
following points should be considered in the  
construction of the basin.  
A.) Drain lines must be of adequate size to carry off the  
required amount of detergent/wash water used.  
Refer to the piping schematic drawing, Figure 4.  
B.) Drain lines must be suitably trapped and vented to  
prevent line gases from entering the air handling  
system.  
2. System Design and Floor Layout  
The arrangement of the supplied components and the  
general layout of the system will vary according to  
application, adjoining equipment and available space.  
However, there are several basic factors pertaining to  
all installations that must be considered:  
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C.) The basin floor should be properly pitched and  
finished to prevent puddling.  
(A) Framework  
D.) The cross members containing the anchoring studs  
to receive the air cleaner base frame must be even  
and level to provide a proper foundation for the  
metal framework base.  
(B) Ionizing-Collecting Cells  
(C) Controller with Power Supplies  
(D) Accessories  
Where the installation site is not suitable for a poured  
concrete basin, rust resistant metal pans may be used.  
The metal should withstand the weight of service  
personnel in addition to the weight of the unit.  
For the protection of the components, it is  
recommended that those materials not immediately  
needed for installation be stored in the container in  
which they are received in a safe, dry and clean  
location. This is particularly true with the ionizing-  
collecting cells, which may be damaged when not  
properly handled.  
Each installation varies according to needs, but  
normally the controller is located near the air cleaner.  
Ideal mounting height is at eye level for ease in reading  
the instrumentation and to facilitate service.  
For ease in maintenance and component removal,  
adequate space, 39” Minimum Required, must be  
provided in front of all access doors, motors, pump and  
accessory equipment.  
2. Assemble Framework  
The base frame, two sides and top are match marked  
on the air entering side of the air cleaner at the factory  
prior to shipment. See Figure 5.  
3. Outdoor Installations  
Requirements for outdoor protection vary in accordance  
to climate and equipment component arrangement for  
the particular job. The best approach, for equipment  
protection, is the construction of a heated shed or  
building over the installation. As an alternative, the  
installing contractor should treat the equipment as  
required to meet the specific needs.  
(A) Position the base frame on the drain basin. Make  
sure it is located with the marking “BOTTOM  
FRONT” on the air entering side. The anchoring  
studs in the drain basin should be located on the  
inside of the frame channels and the entire frame  
should be level. Shim as necessary.  
(B) Secure the base as illustrated. It is important that  
the studs do not protrude above the base frame  
channel. Cut top of studs, if necessary. Each anchor  
should be treated to prevent rust.  
(C) Attach the side and top panels, match marking  
where the pieces join on the air entering side; A to  
A, B to B, etc. The required fasteners are packaged  
and marked for the framework.  
Controller/PWM Power Supplies  
As the controller/power supplies are designed for  
remote mounting, they can be, in many cases, located  
indoors and still be reasonably close to the main  
cabinet. If located outdoors with the cabinet, it must be  
weather protected.  
(D) After the outside frame structure is complete,  
position and secure the intermediate cell supports.  
The side to receive the air bypass strips marked  
“FRONT” should be positioned toward the air  
entering side.  
Contact the local Trion Sales Office or the factory if  
questions arise, or any additional information is  
required.  
SECTION II INSTALLATION  
3. Attach Adjoining Ductwork  
FOR THE INSTALLING CONTRACTOR  
Depending on the application, the installation plan may  
or may not call for adjoining ductwork on the air entering  
and/or air leaving sides of the cabinet.  
1. Unpack and Inspect  
At the time the unit is received, all shipping containers  
and their contents should be examined for damage. Any  
damage occurring in shipment must be immediately  
reported to the carrier, an inspection report completed  
and a claim filed at the receiving point.  
When adjoining ducting is to be installed, attach to the  
flanges on the air entering and air leaving sides of the  
unit. Maintain structural squareness during attachment.  
The seam should be made air and watertight by  
caulking or gasketing.  
The seam between the concrete drain basin and the  
metal work must be caulked or grouted to form a good  
watertight seal.  
The number of shipping containers included in the  
shipment is dependent upon the unit size and type.  
When packaging the material for shipment,  
consideration is given to grouping the components into  
the installation categories in which they will be used.  
The packing list included with shipment identifies the  
various items to a specific box number. In general, the  
grouping is as follows:  
When a blower is installed downstream from the Trion  
cabinet, the ducting between the cabinet and the blower  
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will be under negative pressure and should be made air  
tight to prevent infiltration of contaminated air.  
The high voltage wiring consists of interconnecting  
the ionizing-collecting cells into banks with bus  
bars, then wiring each bank of interconnected cells  
to its corresponding power supply with the high  
voltage cable.  
After the ductwork has been installed, clear remaining  
material or debris from inside ducts and bottom of  
cabinet.  
NOTE: IT IS IMPORTANT TO WIRE EACH BANK  
OF CELLS TO ITS CORRESPONDING POWER  
SUPPLY AS EACH POWER SUPPLY IS  
MARKED WITH A SPECIFIC OPERATING  
RANGE AND SIZED FOR A GIVEN BANK OF  
CELLS.  
4. Install Ionizing-Collecting Cells  
Before placing the ionizing-collecting cells into the  
framework, the electrical cell-to-bus connectors must be  
inserted through the holes located in the flanges of the  
end plates and secured into place. There are two  
connectors per cell, one short collector standoff and a  
long ionizer standoff. Connect the bus bars and cell  
wiring as shown on Figure 6, 6A, 6B and Figure 7.  
Refer to Figure 6A or 6B, and select the  
appropriate unit model. Interconnect the cells with  
the bus bars as shown. When fully connected, the  
cells will be grouped into banks as indicated by the  
letters “A” and “B”.  
Next, wire the interconnected cell banks to their  
corresponding power supplies with the high  
voltage cable provided. Depending on the size of  
the unit, there may be from 3 to 14 PWM Power  
Supplies.  
NOTE: Follow the directional arrows located on the  
cell end plates. The side of each cell containing the  
spiked ionizer blades must be located on the air  
entering side of the cabinet.  
5. Install Air By-Pass Baffles  
The air baffles provided are to be secured to the air  
entering side of the unit to block off the air gap between  
the frame and the top and the sides of each cell. They  
are secured into place with the screws provided. The  
vertical baffles for the cell ends are all rubber backed.  
The horizontal baffles across the top of each cell are  
plain. There are different sizes of each. Refer to Figure  
8 and 8A for the arrangement.  
NOTE: Each high voltage cable should be run  
in a separate conduit and must not be spliced  
at any point between the power supply and the  
cell termination.  
Use the blue cable for the ionizer and the black  
cable for the collector plates. At the cell  
termination, the outer jacket of insulation should  
carefully be stripped back from the inner layer of  
insulation a distance of four (4) inches to prevent  
tracking.  
6. Connect Drain  
Connect a drain line to the pipe coupling in the cabinet  
drain basin in accordance with the governing plumbing  
codes. The drain line must be sealed with a trap or  
other means to prevent air by pass. If a trap is used, it  
should hold sufficient water column to overcome the  
system air pressure and to assure that loss of liquid  
from evaporation between cleaning periods will not  
break the seal. The drain line should not be smaller than  
the drainpipe coupling, or it will otherwise restrict the  
flow of water.  
Normally the high voltage cable entrance should  
be made from the top of the ductwork. If the  
installation demands entrance from some other  
point, the conduit should be sealed where it  
terminated at the duct to prevent moisture from  
entering the conduit during the washing operation.  
At the power pack termination, be sure the blue  
ionizer cable is connected to the terminal marked  
IONIZER and the black collector cable is  
connected to the terminal marked COLLECTOR.  
7. Mount Controller  
The Controller should be mounted at eye level and  
located as close to the air cleaner as practical. It must  
be mounted indoors out of the weather unless supplied  
with a weatherproof cabinet. Allow sufficient space in  
front of the access door(s) for service. Refer to  
appropriate Control/Remote PWM Box Outline Drawing  
for mounting hole layout and dimensions.  
B. Primary Wiring  
(1.) Duct Door Electrical Interlocks  
(Two are furnished as standard) - Outside each  
duct access door.  
(2.) Duct Door Electrical Interlock and Pilot  
Lights  
(Two are furnished as standard) – Outside each  
duct access door and adjacent to the electrical  
interlocks.  
8. Complete Wiring  
A. High Voltage Wiring  
WARNING:  
(3.) Duct Lights  
EXERCISE ALL THE NORMAL PRECAUTIONS  
WHEN WORKING WITH HIGH VOLTAGE AND  
COMPLY WITH NEC AND ALL APPROPRIATE  
LOCAL CODES.  
(Two are furnished as standard) – On air entering  
side and on air leaving side of air cleaner on the  
inside of the ductwork.  
(4.) Disconnect Switch and Pilot Lights  
(Four are furnished as standard) – Two on Inside,  
Two on Outside of each access door at most  
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convenient location near the door. Those located  
inside are wired in series with the electrical  
interlocks and used as a safety measure to control  
the primary power to the high voltage power  
supplies from inside the duct. Those located outside  
control the duct lights.  
that each alternate plate is charged while the  
intermediate plates are electrically grounded.  
Periodically, depending on the type and concentration of  
contamination in the air, the contaminate is washed  
from the plates by manually cleaning the cells while in  
place or removing them from the unit and then cleaning.  
Two major functional components comprise the air  
cleaner:  
Grounding  
An earth ground must be provided to the Model  
60 cabinet and control. All ground connections  
must be in contact with bare metal and securely  
affixed. Ground conductor size and connection  
means will be in accordance with all applicable  
electrical code standards.  
(1) Ionizing-collecting cells to ionize and collect  
airborne particulate matter.  
(2) Power supply(s) to supply high voltage direct  
current to the ionizing-collecting cells.  
Normally, systems are designed for collection  
efficiencies in the range of 90 percent or more.  
9. Check Out for System Start-up  
When the installation has been completed, assure that  
the equipment is ready for start-up by checking the  
following:  
Collecting  
a
contaminant at these efficiencies,  
especially when there are high concentrations can result  
in large accumulations in a relatively short period.  
Therefore, maintenance must encompass two areas;  
the operation of the equipment for efficient collection  
and the systematic removal of the collected  
contaminant.  
A. Ensure all construction debris is removed from the  
ionizing-collecting cells, drain basin and ductwork.  
B. The drain line from the Trion drain basin is clear and  
completely connected to its point of termination.  
C. Supply line power is available and electrical wiring  
is completed to the following components:  
2. General Description  
The ionizing-collecting cells (contaminant collecting  
elements) are housed in the cabinet on unistrut frames.  
They can be removed from the unit as required, from  
the backside (downstream airflow side). When installing  
cells into the cabinet, observe the directional arrows on  
the cell end plates. The side of the cell containing the  
spiked ionizer blades always must be located on the air  
entering side.  
1. Controller  
2. Electrical Interlocks  
3. Ionizing-Collecting Cells  
4. The System Fan  
5. Duct Lights, Indicating Lights and Switches  
The Power Supply(s) convert the 115 volt, 60HZ, single  
phase AC supply to the high voltage DC needed to  
power the ionizing-collecting cells. Potential of 13 KVDC  
are required for the ionizer sections and 6.5 KVDC for  
the collector sections of the cells.  
SECTION III OPERATION & SERVICE  
WARNING  
RISK OF ELECTRIC SHOCK  
These servicing instructions are for use by qualified  
personnel only. To reduce the risk of electric shock,  
do not perform any servicing other than that  
contained in the operating instructions unless you  
are qualified to do so.  
3. Initial Start-up  
A. Inspect the inside of the adjoining ductwork and  
Trion cabinet to be sure it is clean and free of any  
debris or construction materials. Especially note the  
opening in the drain basin for any restrictions. The  
ducting, where secured to the cabinet collars,  
should be sealed water tight either with gasketing or  
caulking.  
FOR THE MAINTENANCE ENGINEER  
1. Introduction and Principle of Operation  
The Trion electronic air cleaner is technically known  
as an electrostatic precipitator. In this type of  
equipment, all airborne particles, even of microscopic  
size, are electrically charged (positively) as they pass  
through a high voltage ionizer. These charged particles  
are then attracted and adhere to a series of parallel  
collecting plates, which form the negative elements of  
an electrostatic field.  
B. Inspect the ionizing-collecting cells to see that all of  
the ionizing blades or wires are intact, that no large  
pieces of foreign material are lodged between the  
plates, and that the cells are properly installed in the  
cabinet with the spiked ionizing blades or wires  
located on the air entering side.  
The ionizer consists of charged stainless steel spiked  
blades spaced between grounded electrodes. The  
collecting section consists of parallel plates arranged so  
C. Check the high voltage leads to see that they are  
connected to the proper terminal both at the  
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ionizing-collecting cells and inside the controller.  
Refer to Figure 14A.  
The Air Boss controller (Optional) contains a digital  
LED display for kilovolt and milliampere readings.  
The milliammeter should be observed on a routine  
basis to be sure that it is reading within the  
prescribed operating range as marked on the data  
plate. For those units containing a voltmeter, the  
collector voltage should be between 6 and 7 KV,  
and the ionizer between 12.5 and 13.5 KV.  
D. Be sure that the drain lines from the Trion cabinet  
drain basin are completely connected and properly  
terminated. A trap or seal of some type should be  
incorporated in the line to prevent air bypass.  
E. Be sure that electrical power is available, that the  
wiring is completed, and that the system blower is  
ready to energize.  
The ATS controller and remote PWM box both have  
LED indicating lights to show power to the PWM  
power supplies. Flickering or failed LED’s indicate  
electrical arcing and/or power failure.  
F. Be sure that all access door interlocks are closed.  
G. Close the system electrical supply switches, making  
power available to the Trion controller and the  
system fan.  
5. Periodic Maintenance  
A. Controller -  
Every 12 Months  
The inside of the controller cabinet should be  
examined for accumulated dirt and dust. If required,  
the components should be cleaned using a good  
brand of electrical contact cleaner. All terminal  
connections should be checked for securement and  
tightened or reworked as required.  
H. Turn the controller selector switch to the “ON”  
position. The blower should run (if installed) and the  
power supply(s) should be energized. Electrical  
arcing within the ionizing-collecting cells may occur.  
It is a normal occurrence caused by accumulation of  
dusts from construction or other sources in the  
cell(s) and should subside quickly. If the arcing is  
continuous and does not subside, recheck the  
routing of the high voltage leads between the power  
supply(s) and the cell(s). Refer to the field-wiring  
diagram. The ionizer lead must be connected to the  
ionizer and the collector lead to the collector.  
B. Ionizing-Collecting Cell –  
Every 6 to 12 Months  
Remove and inspect the ionizing-collecting cells for  
excessive dirt accumulations. Manually clean as  
required in a soak tank, commercial car wash, or  
with a pressure hose or pressure cleaner using a  
low-pressure setting. At this time, particular care  
should be taken in cleaning each of the insulators.  
4. Routine Maintenance  
A. Washing Frequency  
The frequency that the collected dirt is to be washed  
from the unit depends upon the type and amount of  
dirt in the air to be cleaned. Dirt, which is greasy in  
nature, tends to harden after collection and should  
be washed away often. Likewise, units operating  
under extremely heavy dirt loads should be washed  
more often as a large build-up of collected material  
will have a tendency to “blow-off” if permitted to  
remain on the collecting elements for long periods  
of time. In that the type and amount of dirt varies  
geographically (and from one location to another in  
any given area) it is recommended to start operation  
with a washing frequency of at least once a month.  
This schedule may then be altered as needed after  
visual examinations of the collected material  
contained on the ionizing-collecting cells.  
WARNING:  
DO NOT USE HIGH PRESSURE STEAM CLEANING  
EQUIPMENT TO CLEAN CELLS. THE EXCESSIVE  
HEAT AND PRESSURE WILL CAUSE THE PLATES  
TO WARP AND IN TURN POSSIBLY CAUSE  
EXCESSIVE ARCING.  
C. Filter Devices –  
Every 4 to 6 Months  
Hoods, impingers, metal mesh filters, ducts and  
other appurtenances shall be cleaned to bare metal  
at frequent intervals prior to surfaces becoming  
heavily contaminated with grease, oil or other  
contaminate. It may be advantageous to clean  
readily removable items, such as impingers, metal  
mesh filters or other permanent filter devices in a  
soak tank, with a pressure hose or pressure cleaner  
low setting. After cleaning to bare metal,  
components shall not be coated with powder or  
other substance.  
B. Detergent  
Effective washing is dependent upon detergent. The  
detergent, as supplied by Trion, Inc., is formulated  
specifically for electronic air cleaners. If substitutes  
are used, they must be approved by Trion, so as to  
not void the warranty. They should be safe for use  
in ventilation systems and non-caustic, as 95% of  
the ionizing-collecting cells are constructed of  
aluminum, special high voltage insulation and  
gasket seals.  
When a cleaning service is used, a certificate  
showing dates of inspection and/or cleaning shall be  
maintained on the premises.  
WARNING  
Flammable solvents or other flammable  
cleaning aids shall not be used.  
C. Electrical Operation  
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At the start of the cleaning process, electrical  
switches that could be accidentally activated shall  
be locked out. Components of the fire suppression  
system (if installed) shall not be rendered  
inoperable during the cleaning process.  
The most common outage is a short in the  
secondary circuit and is best located through the  
process of elimination. Symptoms are a flickering  
indicating light accompanied by an arcing noise in  
the ionizing-collecting cell(s) or an indicating light  
that is not glowing.  
Care should be taken not to apply cleaning  
chemicals on any fusible links or other detection  
devices of the automatic extinguishing system.  
A flickering light with an arcing noise is an indication  
of a high resistance short circuit and a light that is  
not glowing is an indication of a dead short. (A light  
that is not glowing can also be an indication of an  
open circuit in the primary circuit. Refer to the  
paragraph on open circuits.) The short may be in  
the power supply, the high voltage cables or the  
ionizing-collecting cell(s). To isolate the short to any  
one of these three components, proceed as follows:  
6. Troubleshooting  
WARNING:  
EXERCISE THE USUAL PRECAUTIONS WHEN WORKING  
WITH HIGH VOLTAGE. THE MAXIMUM OPERATING  
OUTPUT FROM THE POWER SUPPLY IS 15,000 VDC AND  
5.5 MA. to 11.0 MA. WHEN IN PARALLEL.  
WARNING  
IF SAFETY SWITCHES ARE CLOSED AND CIRCUIT IS  
ENERGIZED, DO NOT TOUCH HIGH VOLTAGE. WHEN  
THE CIRCUIT IS DE-ENERGIZED, ALWAYS BLEED OFF  
REMAINING STATIC CHARGE WITH AN INSULATED  
HANDLED SCREW DRIVER BY SHORTING to GROUND  
THE POINTS OF HIGH VOLTAGE DC POTENTIAL.  
When safety interlock switches are closed, do not  
come in contact with high voltage components. The  
operating output from the high voltage power  
supply(s) is 12,600 VDC and 6 MA. to 11.0 MA.  
When the power supply(s) is de-energized there Is a  
20 second delay for the voltage to decay. Always  
short from ground to a point of high voltage with a  
well Insulated jumper wire or an insulated handled  
screwdriver to bleed-off any remaining residual  
charge.  
WARNING  
Risk of Electrical Shock  
The servicing Instructions are for use by qualified  
personnel only. To reduce the risk of electric shock,  
do not perform any servicing other than that  
contained in the service instructions unless you are  
qualified to do so.  
1. Disconnect both high voltage leads from their  
respective terminals in the power supply and  
support them away from any point of contact.  
A. Introduction  
This section on troubleshooting provides  
a
2. Energize the power supply:  
description of potential malfunctions, their cause,  
location and correction. A Trouble Reference Chart  
listing the most probable causes and corrections  
follows the general text.  
a. If the light still flickers or does not glow, the  
trouble is indicated to be in the power supply. First,  
check the inline fuse mounted on the circuit board  
and replace if it is blown. Second, replace the power  
supply in its entirety.  
The electronic air cleaner is the unit within the  
system that has the highest efficiency collection  
rating and is also the one with the highest potential  
for malfunction. When a malfunction does occur, the  
outage is usually found in the electrical secondary  
circuit in the ionizing-collecting cell(s).  
b. If the light glows steady with the leads  
disconnected the power supply is indicated to be  
normal.  
Indicating lights are installed in the face panel of the  
control to monitor the electrical operation of each  
power supply and the ionizing-collecting cell(s) they  
energize. The quantity of power supplies per unit is  
dependent upon unit size with one or two power  
supplies for each ionizing-collecting cell tier in  
height. Other than the basic hand tools, it is  
advantageous to have a volt/ohm/milliammeter with  
a 20 KVDC high voltage probe. These instruments  
NOTE: It will be necessary to close the access door  
electrical interlock switch operated by the access  
door, to complete the primary circuit to the power  
supply.  
3.Next reconnect both high voltage leads to their  
respective terminals inside the power supply and  
disconnect them at the ionizing-collecting cell(s).  
Support them away from any point of contact and  
energize the power supply.  
are  
standard  
catalog  
items  
by  
several  
manufactures.  
B. Secondary Short Circuit  
a. If either high voltage lead is defective the light will  
indicate the trouble. Each lead may then be checked  
8
separately by disconnecting them, one at a time, from  
their respective terminals at the power supply. When  
a lead is found to be defective, replace it in its  
entirety. Do not repair or splice.  
Although open circuits can occur in the secondary they  
usually take place in the primary. If the unit contains  
only one power supply and the indicating light does not  
glow the outage is probably one of the following.  
(1) Supply line power to the control disconnected.  
Reconnect.  
(2) Open access door interlock in control of electronic  
air cleaner. Be sure all access doors are properly closed  
and secured.  
b. If the light glows steady with the leads disconnected  
at the ionizing-collecting cell(s) the trouble is then  
indicated to be in the ionizing-collecting cell(s).  
The trouble can then be isolated to a single cell, or the  
ionizing or collector section of a given cell as follows:  
(3) Blown in-line fuse- Replace Power Supply.  
(4) Outage in the power supply. Look for charred or  
burned components or a loose wiring connection.  
Replace power supply or reconnect wiring.  
(5) Defective indicating light. Replace light.  
(1) First determine if the short is in the ionizing  
section or the collecting section by connecting  
each high voltage lead to its respective section,  
one at a time, and energizing the power pack.  
(The lead not connected must be supported  
away from any point of contact.) The short  
symptoms will still exist for the section in which  
the short is located. If the trouble causing the  
short is bridging both sections, then the short will  
be indicated in both sections when they are  
individually connected.  
d. Malfunctions other than short or open circuits. Refer  
to troubleshooting reference chart in this section.  
7. Spare Parts  
Recommended spare part quantities are usually based  
on the unit size and the amount of units per installation.  
For specific recommendations, consult the Trion factory  
or nearest Sales Office. Consideration, however, should  
be given to stocking the following components;  
(2) When the short is isolated to a cell tier, remove  
all the cells within the tier and visually check the  
sections indicated to contain the short.  
(a). If the short is in the ionizer section, look for a  
broken or defective insulator.  
(b). If the short is in the collector section, look for  
a large piece of foreign material bridging the  
collector plates or a defective insulator.  
DESCRIPTION  
PWM Power Supply  
Cell Insulators  
LED  
QTY.  
2
6
2
(c). If the short is indicated to be in both sections,  
it will probably be a foreign object bridging the air  
gap between the ionizer and the collector.  
Part Numbers are not listed as they are subject to  
change. Always state Unit Model and Serial Numbers  
when ordering parts.  
c. Open Circuits  
9
Troubleshooting Reference Chart  
PROBLEM/  
SYMPTOM  
PROBABLE  
CAUSE  
LOCATION  
REASON - CORRECTION  
Ionizing Section of Cell  
Collecting Section of Cell  
High Voltage Leads  
Power Supply  
1. Dirty insulator(s) – Clean  
2. Defective insulator(s) – Replace  
3. Foreign Object Between Ionizing Bar and Ground  
electrode - Remove  
1. Dirty insulator(s) - Clean  
2. Defective insulator(s) – Replace  
3. Foreign Material Bridging Plates - Remove  
4. Bent Plates – Straighten or Replace  
1. Disconnected High Voltage Lead Contacting Ground  
- Reconnect  
Short Circuit  
Indicating Light  
Not Glowing  
2. Defective Lead/Insulation Breakdown – Replace  
Entire Lead  
Charred/Over Heated Components – Replace  
Power Supply  
Control  
1. Disconnected Supply Line Power – Reconnect  
2. Faulty indicting Light - Replace  
1. Blown Fuse – Replace Power Supply  
2. Disconnected Wire – Replace  
3. Charred/Over Heated Components – Replace  
Power Supply  
Power Supply  
Indicating Light Open Circuit  
Not Glowing  
Electronic Air Cleaner  
Housing  
1. Electrical Interlock Switch Not Closed – Close  
Access Door  
2. Faulty Electrical Interlock Switch - Replace  
1. Ionizer High Voltage Lead Connected to Plate  
Section and Plate Lead to Ionizer – Reconnect  
Leads  
2. Loose or Disconnected High Voltage Lead-Tighten  
or Reconnect  
Indicating Light High Resistance  
High Voltage Circuit  
Flickering  
Short  
3. Loose or Defective Intercell Connection (on Multicell  
Units) – Tighten or Replace  
4. Foreign Object Adrift in Ionizer or Plate Section of  
Cell - Remove  
10  
Model 60 Control Schematic  
THIS PAGE INTENTIONALLY LEFT BLANK  
DETAILED SCHEMATIC DRAWINGS WILL BE PROVIDED  
BASED ON THE SIZE AND CONFIGURATION  
OF YOUR UNIT ORDERED.  
FIGURE 11  
Model 60 Field Wiring  
THIS PAGE INTENTIONALLY LEFT BLANK  
DETAILED FIELD WIRING DRAWINGS WILL BE PROVIDED  
BASED ON THE SIZE AND CONFIGURATION  
OF YOUR UNIT ORDERED.  
FIGURE 12  

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