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S
YSTEM
C
ONTROL
C
HECK
O
UT
P
ROCEDURES
:
1. Adjust the thermostat to call for heat and observe the power venting system for proper operation
sequence. (Repeat if necessary)
a. Thermostat calls for heat.
b. Relay is energized and venter motor starts.
c. Pressure switch closes and burner starts.
d. Thermostat is satisfied, the burner stops.
2. While system is operating, disconnect power to the venter motor. This should open the pressure
switch contacts and stop burner operation.
TROUBLE SHOOTING HINTS
1. Venter does not activate when thermostat calls for heat:
a. Check wiring.
b. Check gas pressure switch for continuity across terminals when gas valve is pressurized.
c. Check gas pressure.
2. Flue gas odor:
a. Check system draft.
b. Check for negative pressure in building.
DO NOT DESTROY
T
HESE
I
NSTRUCTIONS
M
UST
R
EMAIN
W
ITH
E
QUIPMENT
Installation Information
Model No.: ________________________________________
Installer’s Name: ___________________________________
Installer’s Company: ________________________________
Phone No.: _______________________________________
Date of Installation: _________________________________
P/N 46382500 05/00
