Component Identification - Uy/ Dy-R Models - American Standard *UD Series Operation Manual

Component Identification – UY/ DY-R Models
HIGH TEMPERATURE
ELECTRICAL
JUNCTION BOX
2ND STAGE
PRESSURE SWITCH
1ST STAGE
PRESSURE SWITCH
LINE CHOKE
(NOT ON ALL MODELS)
TRANSFORMER
CONDENSATE
TRAP
Models maybe an A or T
LIMIT SWITCH
6
BURNER
SIGHT GLASS
FLAME ROLL-OUT
SWITCH
(MANUAL RESET)
2 STAGE
GAS VALVE
INDUCED DRAFT
BLOWER
(2 SPEED)
TCO (LIMIT)
DOOR SWITCH
ECM TM MOTOR
IGNITION
CONTROL
ECM TM INTERFACE
BOARD
(MOTOR ONLY)