CAUTION: Label all wires prior to disconnection when servicing controls. Wiring errors can cause improper and dangerous operation. Verify proper operation after servicing.
WIRING INSTRUCTIONS –
GRAVITY WALL FURNACE
WARNING: Failure to locate the thermostat properly or to wire the furnace correctly may result in continuous operation, control damage or failure to operate. This can cause property damage, personal injury, or loss of life.
Follow the instructions included with the thermostat. Locate the thermostat approximately five (5) feet above the floor and four feet (4’) from appliance. Always mount the thermostat on an inside wall where it won’t be affected by heat or cold sources such as direct sunlight, televisions, fireplaces, hidden hot or cold water pipes, drafts, etc. The thermostat must never be installed in an adjoining room where a door can be closed between the thermostat and wall furnace. This wall furnace is equipped with a self generating control system. Never connect to a 24 volt transformer or to the household electrical system. Do not use more thermostat wire than is included with the wall furnace. Do not run thermostat wire in same stud space with vent. Conceal wire inside wall or secure to wall with insulated staples that are included .
YOUR FURNACE MAY BE EQUIPPED WITH EITHER A WALL THERMOSTAT (Figure 2) OR
IN THERMOSTAT (Figure 1) CONTROL. CHECK THE CONTROL ASSEMBLY TO DETERMINE WHICH WIRING EXAMPLE TO USE.
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| Manual Reset | |
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| Blocked Flue Switch | |
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| Thermo- |
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| couple |
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| Gas |
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| Valve BULB MODELS | |
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| NAT. | L.P. |
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| W251F | W252F |
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| E.C.O. | W351F | W352F | |
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| Fitting | W501F | W502F | |
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FIGURE 1 |
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| Manual | Thermostat |
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| Reset |
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| Blocked |
| Pilot |
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| Flue Switch | ||
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| Generator | ||
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| WALL | Wire |
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| THERMOSTAT | Nut |
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| MODELS |
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| NAT. | L.P. |
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| W255F | W256F |
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| W355F | W356F |
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| W505F | W506F | Gas Valve | ||
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FIGURE 2
SPECIAL INSTRUCTIONS FOR REAR REGISTER KIT APPLICATION
(Figures 6 and 7 line drawings of rear register opening)
STEP 1.Cut hole in the back wall 8-1/4” high by 12-5/8” wide. The lower edge of the hole to be 45-3/4” above the floor plate as shown in Figure 6.
STEP 2.Install frame for rear register in hole and nail frame to stud as shown in Figure 7. STEP 3.Install rough-in header and follow instructions for installation of regular furnace. NOTE: See Supplement No. 84504 packaged with Rear Register Kit.
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| Plaster |
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Hole for back | Opening 7/8” from |
| Stud | Nail to stud | ||
register |
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| each stud |
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| Stud |
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| Stud | |
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Plaster | Stud |
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| Plaster | Plaster | |
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Plate |
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| FIG. 7 - PLACING FRAME FOR REAR REGISTER | |||
FIG. 6 - |
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