Honeywell F50F Product Data page 21

TROUBLE SHOOTING AIR CLEANERS WITH PERFORMANCE INDICATOR.
CORRECT
WIRING.
WIRING
NOT OK
OFF
CHECK WIRING BETWEEN
W8600F AND AIR CLEANER.
USE MAX NO. 18 3-WIRE
THERMOSTAT CABLE
OFF
CONNECTED 1(G) TO 1(G),
3(R) TO 3(R), AND 4(B)
TO 4(B).
WIRING OK
CHECK W8600F BATTERY
3 Vdc
LESS THAN
OR MORE
3 Vdc
REPLACE W8600F
BATTERY
TYPE BR2082
CHECK W8600F PER
INSTRUCTIONS PACKED
WITH UNIT. OK?
NO YES
REPLACE W8600F
1 FOR POWER SUPPLY REPLACEMENT, SEE FORM 69-1136.
2
W8600F HAS A LCD DISPLAY WITH FOUR INDICATORS: ON,
BATTERY, SERVICE, FAULT.
3
W8600F OPERATION CAN BE CHECKED SEPARATELY.
SEE W8600F INSTRUCTIONS.
START
MAKE SURE ELECTRONIC
CELL(S) ARE CLEAN, DRY
AND PROPERLY INSTALLED.
MAKE SURE PREFILTER(S)
ARE IN CABINET SLOT
FARTHEST FROM FURNACE.
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
TURN ON ELECTRONIC AIR
UNLESS YOU ARE QUALIFIED TO DO SO.
CLEANER AND SYSTEM
FAN.
OFF
CHECK NEON LIGHT.
ON
PUSH TEST BUTTON AND
NO
LISTEN FOR SNAPPING
SOUND.
YES
CHECK ON INDICATOR
2
ON W8600F
ON
DEPRESS AND HOLD DOWN
TEST BUTTON. FAULT
INDICATOR ON W8600F
2
SHOULD COME ON
ON
ELECTRONIC AIR CLEANER
AND W8600F ARE OK.
Fig. 27. Troubleshooting air cleaners.
F50F DUCT MOUNTED ELECTRONIC AIR CLEANER
TO USE THIS CHART:
1. FOLLOW THE STEPS IN ORDER; DO NOT SKIP AROUND.
2. EACH TIME YOU ISOLATE AND FIX A PROBLEM, GO BACK TO START.
3. REPEAT ALL THE STEPS UNTIL THE AIR CLEANER CHECKS OUT OK.
WARNING
RISK OF ELECTRIC SHOCK
YES
PUSH TEST BUTTON
REPLACE LIGHT ASSEMBLY.
AND LISTEN FOR
SNAPPING SOUND.
NO
TURN OFF AIR CLEANER
AND REMOVE CELL(S)
ONLY (NOT PREFILTERS).
CLOSE ACCESS DOOR
AND TURN ON
AIR CLEANER.
OFF
CHECK NEON LIGHT.
ON
INSPECT CELL(S) FOR:
BENT COLLECTOR
• REMOVE POWER BOX COVER.
PLATES
• BROKEN IONIZER
CHECK FOR CORRECT INPUT
WIRES
VOLTAGE ACROSS:
DIRT ON INSULATORS
•
DAMAGED IONIZER
•
120V MODELS: P1 AND P2
OR COLLECTOR
TERMINALS ON POWER
CONTACT TABS
SUPPLY.
YES
220/240V MODELS:
QUICK CONNECT TERMINALS
REPAIR OR
ON POWER SUPPLY
REPLACE
NO
TRANSFORMER.
CELL(S).
WITH OHMMETER,
CHECK FOR SHORT
BETWEEN:
SHORT AIRFLOW SWITCH
• CELL FRAME AND
DISABLE JUMPER TO GROUND.
IONIZER SECTION
POWER SUPPLY FUNCTIONS
• CELL FRAME AND
NORMALLY.
COLLECTOR SECTION
CELL
SHORTED
REPLACE
INFINITE
AIRFLOW
REPLACE
RESISTANCE
SWITCH.
CELL.
CELL OK.
21
WARNING
THIS STEP EXPOSES
DANGEROUSLY HIGH
VOLTAGE. ONLY A
QUALIFIED SERVICE
TECHNICIAN SHOULD
ATTEMPT THIS STEP.
NO
YES
FIX
WIRING.
YES NO
REPLACE
POWER
1
SUPPLY.
M11979
68-0137—5