Field connection wiring diagrams, High fire low fire – Gas-Fired Products PTS Series 100 User Manual
Page 34
Form #43343530
July 08
–33–
FIELD CONNECTION WIRING DIAGRAMS
A. LOW VOLTAGE (24V) THERMOSTAT CONNECTIONS – SINGLE HEATER
LO
HI
C
Burner Control Box
Two-Stage Thermostat
(field supplied)
Ground
N Neutral
L1 Hot (120V)
Power Supply
Cord (120V)
Fused
Disconnect
Switch
Continue To
Additional
Heaters
Receptacle
High Fire
Low Fire
B. LOW VOLTAGE (24V) THERMOSTAT CONNECTIONS – MULTIPLE HEATERS
LO
HI
C
LO
HI
C
Burner Control Box
Ground
N Neutral
L1 Hot (120V)
Fused
Disconnect
Switch
Continue To
Additional
Heaters
24V Transformer
(field supplied)
24V
Terminal Block
(thermostat
connections)
Two-Stage Thermostat
(field supplied)
Power Supply
Cord (120V)
Receptacle
Power Supply
Cord (120V)
Receptacle
Continue To
Additional
Heaters
High Fire
Low Fire
Burner Control Box
RELAY BOARD
LO 24V HI
LO
C
HI
LO
FIRE
HI
FIRE
RELAY BOARD
LO 24V HI
LO
C
HI
LO
FIRE
HI
FIRE
C
Relay Kit externally
mounted
(PN 44195000)
1/4 Quick connect
terminals
3/16 Quick
connect terminals