FIELD CONNECTION WIRING DIAGRAMS

A. LOW VOLTAGE (24V) THERMOSTAT CONNECTIONS – SINGLE HEATER

 

Ground

Receptacle

N

Neutral

Continue To

Additional

L1

Hot (120V)

Heaters

 

Fused

Power Supply

 

Disconnect

 

Cord (120V)

 

Switch

 

 

HI

C

LO

Low Fire High Fire

Burner Control Box

Two-Stage Thermostat

 

(field supplied)

B. LOW VOLTAGE (24V) THERMOSTAT CONNECTIONS – MULTIPLE HEATERS

 

Ground

 

Receptacle

 

 

Receptacle

 

 

 

 

 

 

 

 

 

N

Neutral

 

 

 

 

 

 

 

Continue To

L1

Hot (120V)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Additional

Fused

 

 

 

 

 

 

 

Heaters

Burner Control Box

Power Supply

Burner Control Box

Power Supply

Disconnect

 

 

Cord (120V)

 

 

 

Cord (120V)

Switch

 

 

 

 

 

HI

 

 

 

 

 

 

 

 

 

 

 

 

HI

 

 

 

Terminal Block

C

 

1/4” Quick connect

C

 

 

 

(thermostat

LO

 

LO

 

 

 

 

terminals

 

 

 

connections)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LO

24V

HI

 

 

LO

24V

HI

Relay Kit externally

RELAY BOARD

3/16” Quick

 

RELAY BOARD

mounted

LO

 

HI

connect terminals

LO

 

HI

FIRE

 

FIRE

FIRE

 

FIRE

(PN 44195000)

 

 

 

 

 

 

 

 

 

 

LO

C

HI

 

 

LO

C

HI

 

 

 

 

 

 

 

 

 

Continue To

24V Transformer

 

 

 

 

 

 

 

Additional

(field supplied)

24V

 

 

 

 

 

 

Heaters

 

 

 

 

 

 

 

 

 

 

 

 

C

 

 

 

 

 

 

Low Fire

High Fire

 

Two-Stage Thermostat

 

(field supplied)

Form #43343530

 

July 08

–33–

Page 34
Image 34
Gas-Fired Products N7/L7, 100, 40, 150, 175, 200 manual LOW Voltage 24V Thermostat Connections Single Heater