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L1 to 1 on timer
M to 3 on timer
T1 to common on pressure switch
SYSTEM CONTROL CHECK OUT PROCEDURES
For furnaces or boilers, adjust the thermostat to call for heat and observe the power venting system for proper operation
sequence. (Repeat if necessary)
1. Thermostat calls for heat.
a. Relay is energized and venter motor starts.
b. Pressure switch closes and burner starts.
c. Thermostat is satisfied, the burner stops.
d. This starts the post purge cycle. Purge time 1 to 2 min.
e. While system is operating, disconnect power to the venter motor. This should open the pressure switch contacts
and stop burner operation.
INTERNAL WIRING FOR CK-CONTROL KIT: DIAGRAM A & B
T2 to timer relay base
T3 to N/O on pressure switch
Timer base to common on pressure switch
Page 6
Diagram B
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