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IN-FORCER MODELS PAI-1G & PAI-2G (GAS) TROUBLE SHOOTING GUIDE
Wiring not correct
No
SYMPTOM 2: IN-FORCER PAI-G (GAS) SERIES RUNS CONSTANTLY
Step 2.
Remove the BLUE wire from the #7 terminal on
relay while IN-FORCER is running.
Result: IN-FORCER should shut off immediately.
Step 1.
Recheck all wiring per the installation instructions.
Step 3.
Measure for voltage on appliance thermostat or
aquastat when not calling for heat.
Result: Voltage not measured.
Yes
Yes
Step 4.
Contact appliance / thermostat manufacturer for
further assistance.
Yes voltage measured
Solution: Rewire the IN-FORCER per the
installation instructions or contact Tjernlund
Products for further assistance.
Solution: Replace the
IN-FORCER relay.
Part # 950-1040
No voltage measured
Solution: Repeat step 1-3 or contact
Tjernlund Products for further assistance.
Note: For further assistance contact Tjernlund Products, Inc.
Technical Customer Service Department at 1-800-255-4208.
Wiring not correct
SYMPTOM 1: IN-FORCER PAI-G (GAS) SERIES RUNS BUT BURNER WILL NOT FIRE
Step 2.
With the appliance calling for heat and the IN-
FORCER running, check for voltage across
YELLOW and RED control cable leads.
Result: Measure 24 volts.
Step 1.
Recheck all wiring per the installation instructions.
Step 3. (Wired with gas valve)
With the appliance calling for
heat and the IN-FORCER run-
ning, check for 24 volts across
the TH(HOT) and TR(COM) ter-
minals on appliance gas valve.
Result: Measure 24 volts.
Step 3. (Wired with single
zone gas or oil furnace
terminal strip/fan center)
With the thermostat calling for
heat and the IN-FORCER run-
ning, check for 24 volts across
the W and C(COM) terminals
on appliance terminal strip/fan
center.
Result: Measure 24 volts.
Step 4.
Contact appliance manufacturer for further assistance.
Yes
Solution: Rewire the IN-FORCER per the
installation instructions or contact Tjernlund
Products for further assistance.
No
obstructions
Solution:Replace
Fan Proving
Switch.
Part # 950-0452.
Solution: Clean intake
screen of clogged mate-
rial. Check for exces-
sive length or sharp
bends in discharge or
inlet vent pipe.
No
Solution: Repeat steps 1-3 or contact
Tjernlund Products for further assistance.
Note: For further assistance contact Tjernlund Products, Inc.
Technical Customer Service Department at 1-800-255-4208.
No
Yes
Yes
Содержание IN-FORCER PAI-10
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