Roberts Gorden GordonRay BH-175 - Manual (Page 38)

ROBERTS GORDON ® BH- S ERI E S S UBM IT TAL S HE E T
© 2004 Roberts-Gordon BEFORE IN ST AL LATI ON AND OPER ATI ON OF HEATI NG E QUIPMENT, READ AND U NDERSTAND T HE INSTALL AT ION, OPERATIO N AND SERVICE MANUAL .
APPL ICATION S, ENGI NEE RING AND DET AI LE D GUID ANCE ON SYST EMS DE SIGN, INSTAL LATI ON AND PRODUCT PE RFORMANCE IS AVAI LABLE UPON RE QUEST. ROBERT S GORDON
® PRODUCT S ARE T O BE
INSTAL LE D ONL Y IN ACCORDANCE WI TH L OCAL L AWS, CODES AND REGUL AT IONS, AND ONLY BY A CONT RACT OR QUALI FIE D I N THE I NST ALL AT ION AND SE RVICE OF GAS-FIRE D HE AT ING EQUI PME NT.
BH-Series Internal Wiring
BH-Series Ladder Diagram
Pressure Switch
BLUE
BLUE
BLUE 24VAC
BLACK Flame Sense
YELLOW Ground
BROWN Main Valve
Electrode
BLACK
BLACK
BLACK
BROWN
YELLOW
YELLOW
YELLOW
GREEN
GREEN
GREEN
WHITE
WHITE
DSI Ignition Module
NO
C
Gas Valve
Burner Ground
Blower Connection
Motor/Blower Electrical Connection
120V-60Hz L1 L2
L
G
N
Transformer
Power
Valve
Sense
Ground
Spark
Transformer
Blower
Pressure
Switch
Ignition Module
Gas Valve
Power Supply
120V - 60 Hz
Gap
Electrode
120V
24V