31
Oxford Direct Vent / Natural Vent Gas Heater
3-90-20306762
Wiring Diagrams
OFF
ON
Thermostat
(Optional)
Thermopile
Black
Black
Millivolt
Gas Valve
St124b
on/off/switch
wiring
1/11/00 djt
TP/TH
TP
TH
On/Off Switch Wiring
Thermostat
(Optional)
Thermopile
Black
Black
Millivolt
Gas Valve
St124c
Thermostat
wiring
1/11/00 djt
TP/TH
TP
TH
Optional Thermostat Wiring
Figure 62
- On/Off switch and optional thermostat circuit.
NOTE:
IF ANY OF THE ORIGINAL WIRE, AS SUPPLIED
WITH THE APPLIANCE, MUST BE REPLACED, IT
MUST BE REPLACED WITH TYPE SF-2, 200° WIRE
OR ITS EQUIVALENT.
Thermocouple
Safety Limit
Switch
Valve
ST665
Safety Limit
Switch wiring
5/29/01 djt
Figure 63
- Draft hood adapter wiring.
FAN JUNCTION BOX
F
AN
POWER
CORD
Strain Relief
Chassis Ground
BLK
GRN
GRN
WHT
ON / OFF
Rheostat
Chassis
Ground
RHEOSTAT / SNAPSTAT
BOX
Snapstat
BLK
B
LK
BLK
BLK
BL
K
WHT
ST153
rdv connections diag.
10/99
MOTOR
SNAPST AT
ON/OFF
RHEOST AT
WHT
WHT
BLK
BLK
BLK
GRN
BLK
ST236
FK26 wiring diagram
12/99
Schematic Diagram
Figure 64
- Fan circuit.