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3232
Vermont Castings Jefferson Direct Vent/Natural Vent Gas Heater
20002191
NOTE: IF ANY OF THE ORIGINAL WIRE, AS
SUPPLIED WITH THE APPLIANCE, MUST BE
REPLACED, IT MUST BE REPLACED WITH TYPE
SF-2, 200°C WIRE OR ITS EQUIVALENT.
Wiring Diagrams
ST124c
Fig. 61 Jefferson on/off switch and optional thermostat
circuit.
Optional Thermostat
Wiring
On/Off Switch
Wiring
ST124b
OFF
ON
Thermopile
Black
Black
TP/TH
TP
TH
Thermostat
(Optional)
Therm
opile
Black
Black
TP/TH
TP
TH
FAN JUNCTION BOX
FAN
POWER
CORD
Strain Relief
Chassis Ground
BLK
GRN
GRN
WHT
ON / OFF
Rheostat
Chassis
Ground
RHEOSTAT / SNAPSTAT
BOX
Snapstat
BLK
BLK
BLK
BLK
BLK
WHT
MOTOR
SNAPSTAT
ON/OFF
RHEOSTAT
WHT
WHT
BLK
BLK
BLK
GRN
BLK
Schematic Diagram
ST234
ST153
Fig. 65 Jefferson fan circuit.
TH
TP
TH
TP
Draft Hood
Vent Safety Switch
Gas
Valve
ST359
Fig. 64 Draft Hood Adapter wiring.