ROBERTS GOR DON® BH-SERI E S SUBM IT TAL SHE E T

WARNING

Electrical Shock Hazard

Disconnect electrical power and gas supply before servicing.

This appliance must be connected

to a properly grounded electrical source.

Failure to follow these instructions can result in death or electrical shock.

Low Voltage Thermostat Wiring

SPDT Transformer Relay

FRONT VIEW

 

BACK VIEW

 

P/N 90417600

 

 

 

 

 

 

 

 

Low Voltage Thermostat

 

 

 

 

 

 

 

R

C

 

 

1

 

3

 

 

 

 

 

2

 

 

 

 

 

 

Black

4

6

 

 

 

 

 

 

COIL

5 COIL

 

W

G

Y

 

 

Black

 

 

 

 

 

 

 

 

120V-60Hz

 

White

Red

 

 

 

 

 

Supply Circuit

 

 

 

 

 

 

L1

 

 

 

 

 

 

 

 

Additional

L2

 

 

 

 

 

 

 

 

Burners

Gnd.

 

 

 

N

H

 

 

N

H

 

 

 

 

Gnd.

 

 

 

Gnd.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Maximum 8 Burners

 

 

 

 

 

 

 

 

 

Per Relay

 

Burner 1

 

 

 

Burner 2

 

 

 

Description

Part Number

 

 

 

 

 

 

 

 

SPDT Transformer Relay

90417600

 

 

 

 

 

 

 

 

Low Voltage Thermostat

90425100

 

 

 

 

 

 

 

 

© 2004 Roberts-GordonBEFORE IN STALLATI ON AND OPER ATI ON OF HEATI NG EQUIPMENT, READ AND U NDERSTAND THE INSTALLATION, OPERATIO N AND SERVICE MANUAL .

APPLICATION S, ENGI NEERING AND DETAI LED GUID ANCE ON SYSTEMS DESIGN, INSTALLATI ON AND PRODUCT PERFORMANCE IS AVAI LABLE UPON REQUEST. ROBERTS GORDON® PRODUCTS ARE TO BE INSTALLED ONLY IN ACCORDANCE WI TH LOCAL LAWS, CODES AND REGULATIONS, AND ONLY BY A CONTRACTOR QUALI FIED I N THE I NSTALLATION AND SERVICE OF GAS-FIRED HEATING EQUI PMENT.

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Roberts Gorden BH Series service manual Low Voltage Thermostat Wiring, Spdt Transformer Relay, Black, Burner