R (24V Hot)
C (Common)
W (Heat Call)
G (Fan)
Y (Cool)
HEAT JUMPER
3A FUSE
POWER LED
ERROR LED
INDUCER RELAY (K1)
HSI RELAY (K2)
MV RELAY
PS INPUT
FLAME SENSE
LIMIT STRING
TRANSFORMER SEC
TIMING CAP
Status: Idle | R-C: 0.0V
HSI: 0V | Flame: 0.0 µA | Error: None
24V Signal
120V Load
Relay Click
Power LED
Error Blink