John Wood Commercial Atmospheric Vent - AJWSM - Manual (Page 30)

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PIN END VIEW
24 V.A.C. NORMAL SEQUENCE OF OPERATION
B. DAMPER HAS OPENED,
NO COMBUSTION
VOLTAGE ACROSS:
4 & 1; 4 & 2; 4 & 3: 1. Check for power at ignition module terminals. If 24VAC power is present damper
is working properly.
2. Defective component in appliance after the flue damper.
3. If 24 VAC is not present at the ignition module, look for loose or broken
connections between damper and ignition module.
4. If the connections from damper to ignition module seem proper, replace damper
assembly. If a damper assembly is not available, place the service switch in the
hold open position. This should keep the damper in the open position and allow
the customer to have automatic heat, until a replacement damper can be installed.
C. DAMPER ROTATES
CONTINUOUSLY Change the entire damper assembly
D. DAMPER STICKS 1. Make sure no screws obstruct the damper blade.
2. Make sure damper pipe assembly is not egg shaped.
3. Make sure damper rod is not rubbing on pipe assembly.
See figure on front page of this insert sheet
ABNORMAL OPERATION
A. NOTHING WORKING
NO VOLTAGE ACROSS:
4 & 1 1. High Limit has tripped and is OPEN. Determine reason for tripping of high limit
2. Bad Transformer
3. Loose or broken connections
4. Blown fuse or circuit breaker
5. Disconnect switch off
6. Harness not plugged into appliance receptacle
A. FLUE DAMPER OPEN OR OPENING
(Unit is calling for heat and damper disc should be in vertical position)
VOLTAGE ACROSS:
4 & 1 All Times that High Limit is closed
4 & 2 Calling for Heat Open or Opening
4 & 3 During Combustion Damper Open+
B. FLUE DAMPER CLOSED (Unit is not calling for heat and damper disc should be in horizontal position)
NOTE: POSITION 4 IS COMMON AND POSITION 3 IS HOT 24VAC
VOLTAGE ACROSS:
4 & 1 All Times that High Limit is closed
NO VOLTAGE ACROSS:
4 & 3 or 4 & 2 1.Thermostat not calling for heat.
EFFIKAL RVGP-KSF-SERIES FLUE DAMPER TROUBLE SHOOTING GUIDE
Do not turn damper open manually or motor damage will result, use the service switch.
All readings are taken from harness receptacle. Do not push meter leads into harness receptacle.
This opens the pins and will create connection problems.
WARNING
Do not negate the action
of any existing safety
or operational controls.
IMPORTANT: DAMPER MUST BE OPEN BEFORE COMBUSTION TAKES PLACE. If all steps have been
tried and damper problems persists call Product Service and Support 800-456-9805.
NOTE: DAMPER DISC SHOWN IN OPEN POSITION.
Effikal Pinouts Adapter wire
& wire colors Function colors in*
1. Brown 24 VAC HOT Black
2. Orange Signal In Yellow
3. Yellow Signal Out Red
4. Black 24 VAC Common White
*See Connection Diagram, Figure 14.
CREATED BY NEEVIA DOCUSTAMP TRIAL VERSION (WWW.NEEVIA.COM) CREATED BY NEEVIA DOCUSTAMP TRIAL VERSION (WWW.NEEVIA.COM)