29
CONTROL
STATUS
GREEN LED
STEADY ON
FAST FLASH
1 FLASH
2 FLASH
3 FLASH
4 FLASH
STEADY OFF
Normal operation, no call for heat
Normal operation, call for heat
In lockout from failed ignition or flame loss
Pressure switch does not close within 30 seconds
Limit switch or rollout switch open
Limit switch is closed before venter is energized
Internal control fault or no power
FLAME
STATUS
YELLOW LED
STEADY ON
SLOW FLASH
FAST FLASH
Flame sensed
Weak flame (current below 1.0 microamps = +/-50%)
Undesired flame (valve open and no call for heat)
DSI Control - Ignition Module
This control module signals all operations of the CPG including spark ignition.
The green and yellow LED's (visible through the service window) can aid in troubleshooting
different failures.
DSI Control Troubleshooting
FAN OFF DELAY
TIME
SWITCH
1
2
90
OFF
ON
120
OFF
OFF
160
ON
OFF
45
ON
ON
Gas Furnace
Summary of Contents for CPG41838-U
Page 2: ...2...
Page 5: ...5 Unit Dimensions Original R22 with Gas Heat A B Series 43...
Page 6: ...6 Original R22 with Electric Heat A B Series Unit Dimensions...
Page 7: ...7 Unit Dimensions Original R410A with Gas Heat B C D E Series...
Page 8: ...8 Unit Dimensions Original R410A with Electric Heat B C D E Series...
Page 9: ...9 Unit Dimensions U Series R410A 80 Gas Heat...
Page 10: ...10 Unit Dimensions U Series R410A up to 95 Gas Heat...
Page 11: ...11 Unit Dimensions U Series R410A Electric Heat...
Page 19: ...19 Gas Furnace 3 Remove the 11 screws 4 Remove the front furnace baffle...
Page 46: ...46 Chassis Cooling Section...
Page 79: ...79...