ROBERTS GORDON
®
CTH2-Series S
UBMITTAL
S
HEET
© 2004 Roberts-Gordon
APPLICATIONS, ENGINEERING AND DETAILED GUIDANCE ON SYSTEMS DESIGN, INSTALLATION AND PRODUCT PERFORMANCE IS AVAILABLE UPON REQUEST. ROBERTS GORDON
®
PRODUCTS ARE TO BE
INSTALLED ONLY IN ACCORDANCE WITH LOCAL LAWS, CODES AND REGULATIONS, AND ONLY BY A CONTRACTOR QUALIFIED IN THE INSTALLATION AND SERVICE OF GAS-FIRED HEATING EQUIPMENT.
Low Voltage Thermostat Wiring
Low Voltage Thermostat Wiring with Multiple Burners
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.
Gnd.
120V-60Hz
Supply Circuit
H
N
Gnd.
L1
L2
Low voltage
terminal detail
Low voltage
thermostat
T
N
H
Gnd.
N
H
Gnd.
L1
L2
Gnd.
120V-60Hz
supply circuit
Low Voltage Thermostat
R
C
W G
Y
1
2
3
4
5
6
COIL
COIL
Black
Black
White
Red
Transformer Relay
FRONT VIEW
BACK VIEW
Burner 1
Burner 2
N
H
Gnd.
Burner 3
N
H
Gnd.
Burner 4
Purple
Red/Yellow
When using 1-2 burners, use SPDT
Transformer Relay P/N 90417600
When using 3-4 burners, use DPDT
Transformer Relay P/N 90436300
P/N 90425100
Low Voltage
Terminal Detail
on all Burners
