Roberts Gorden Low Intensity Unitary Heater Designed for Harsh Environments HE-40 - Manual (Page 54)

HE-S ERIES I NSTALLATION , O PERATION AND S ERVICE M ANUAL
48
10.8 Ladder Diagram
L 2 L 1
WHITE BLACK
WHITE
WHITE
BLACK
BLACK
GREY
WHITE
VALVE
HOT SURFACE IGNITER
FLAME
SENSOR MOTOR
DOOR
SWITCH
YELLOW
YELLOW
PRESSURE
SWITCH
WHITE
TO
THERMOSTAT
ORANGE BLUE
WHITE
PURPLE
TRANSFORMER