Thermostat Installation (cont.)
6.Snag thermostat cable through wall so that 6 inches of cable protrudes.
7.Route cable to wall furnace leaving enough excess cable to make the connections at the gas valve.
MOUNTING THE THERMOSTAT
1.To remove the thermostat cover, grasp cover and pull straight outward. Carefully remove and discard the
packing tab protecting the switch contacts.
2.Connect thermostat wires to the terminal screws on the back of thermostat base.
3.Push any excess wire back through hole in wall and plug hole with insulation to prevent drafts from affect- ing thermostat operation.
4.Being sure to level thermostat for best appearance, fasten thermostat base to wall through mounting holes with screws provided.
5.Replace the thermostat cover.
NOTE
Refer to installation instructions packed in the thermostat carton if you have any doubt about the above procedures.
Thermostat Connection at Gas Valve
MODELS 1403622, 1403621, 2203622, 2203621, 3003622 and 3003621
(All other models are equipped with a
1.If an old thermostat is being replaced and is in a satisfactory location and the wiring appears to be in
good condition, use existing wiring. If in doubt, use new wire.
2.If a new location is chosen or if this is a new installa- tion, thermostat cable must first be run to the location selected. All wiring must agree with local codes and ordinances. These instructions cover bringing the wire
down from the attic but it can be run from a basement or crawl space using similar methods.
3.Before drilling hole in wall at selected location, drive a small finishing nail through the ceiling in the corner of the wall and ceiling above the thermostat location.
Pull the nail out and push a small stiff wire through the hole so it can be found in the attic. Drill a 1/2 inch hole
through the ceiling wall plate.
4.Probe for obstructions in the partition. Then drill a 1/2 inch hole through wall at selected location for thermostat.
THERMOSTAT | GENERATOR |
| INNER CASING |
£D WIRE | WHI'I_ WIRE |
1
V LUAMS |
| (r | _) _i SHIELD |
P121200 |
|
|
|
(OR) | _)¢mm.o _ |
|
|
P171600 | JUMPER | PILOT |
|
|
|
| |
|
| OBSERVATION |
|
| WILUAMS P295200A (OR) P295201A | DOOR | WIRES |
| |||
|
| ||
|
|
|
GENERATOR THERMOSTAT
COVER)-MANUAL
SPARK iGNITOR
PRESS
DOORREPEATEDLY
GROUND |
| |
JOINT | UNION | CONTROL |
FITTING | ||
|
| VALVE |
DRIP | LEG | MANUAL |
GREEN KNOB |
| VALVE |
RG. 13