Install Instructions

PS1201C, PS2401C, PS1202C REPLACEMENT POWER SUPPLY KITS FOR ELECTRONIC AIR CLEANERS
11 69-1138—03
Fig. 20. Electrical troubleshooting procedure for electronic air cleaners in central systems.
MAKE SURE ELEC-
TRONIC CELL(S) ARE
CLEAN, DRY AND
PROPERLY INSTALLED.
CHECK NEON
LIGHT, IF PROVIDED.
M2812C
OFF
ON
YES
NO
YES
TO USE THIS CHART:
1.
2.
3.
Follow the steps in order; do not skip around.
Each time you isolate and fix a problem, go back to START.
Repeat ALL the steps until the air cleaner checks out OK.
START
YES
TURN ON ELECTRONIC
AIR CLEANER AND
SYSTEM FAN.
PUSH TEST BUTTON
AND LISTEN FOR
SNAPPING SOUND.
PUSH TEST BUTTON
AND LISTEN FOR
SNAPPING SOUND.
INSPECT POWER SUPPLY
TO BE SURE J4 SHUNT IS
REMOVED.
REPLACE LIGHT OR
LIGHT SWITCH
ASSEMBLY.
ELECTRONIC AIR
CLEANER IS OK.
REPAIR OR
REPLACE CELL(S).
WITH OHMMETER,
CHECK FOR SHORT
BETWEEN:
- CELL FRAME AND
IONIZER SECTION
- CELL FRAME AND
COLLECTOR
SECTION
INFINITE
RESISTANCE
CELL OK.
INSPECT CELL(S) FOR:
- BENT COLLECTOR
- BROKEN IONIZER
- DIRT ON INSULATORS
- DAMAGED IONIZER
PLATES
WIRES
OR COLLECTOR
CONTACT TABS
YES
NO
NO
CHECK FOR CORRECT
INPUT VOLTAGE ACROSS:
120V MODELS: P1 AND P2
TERMINALS ON POWER
SUPPLY.
220/240V MODELS:
QUICK-CONNECT
TERMINALS ON POWER
SUPPLY TRANSFORMER.
NO
WARNING
THIS STEP EXPOSES
DANGEROUS HIGH
VOLTAGE. ONLY A
QUALIFIED SERVICE
TECHNICIAN SHOULD
ATTEMPT THIS STEP.
FIX WIRING.
REMOVE SHUNT.
YES
THE SNAPPING SOUND ON THIS AIR CLEANER, WITH A SOLID STATE POWER SUPPLY, IS ABOUT HALF
AS LOUD AS ON MODELS WITH THE W919 POWER SUPPLY.
ELECTRONIC COMPONENTS ON POWER SUPPLY BOARD ARE NOT FIELD REPLACEABLE. ATTEMPTED
SERVICE WILL DAMAGE BOARD.
2
1
2
1
1
RETEST
TURN OFF AIR CLEANER
AND REMOVE CELL(S).
TURN ON AIR CLEANER
CHECK NEON LIGHT
ON
OFF
REPLACE COMPLETE
POWER SUPPLY.
REPLACE CELL.
CELL
SHORTED
RISK OF ELECTRIC SHOCK
THESE SERVICING INSTRUCTIONS ARE FOR USE BY QUALIFIED PERSONNEL
ONLY. TO REDUCE RISK OF ELECTRIC SHOCK, DO NOT PERFORM ANY
SERVICING OTHER THAN CONTAINED IN THE OPERATING INSTRUCTIONS
UNLESS YOU ARE QUALIFIED TO DO SO.
WARNING