FOR YOUR SAFETY READ BEFORE LIGHTING
AWARNING
AWARNING
ACAUTION
BEFORE LIGHTING smell all around the appliance area for gas, Be sure to smell next to the floor because some gas is heavier than air and will settle on the floor.
The gas valve on the G50UH(X) unit may be equipped with either a gas control knob or gas control lever. Use only your hand to push the lever or to tum the gas control knob. Never use tools, If the knob will not turn or if the lever will not move by hand, do not try to repair it. Call a qualified service tech- nician, Force or attempted repair may result in a fire or ex- plosion,
Placing the furnace into operation:
G50UH(X) units are equipped with a SureLight ® ignition system. Do not attempt to manually light burners on these furnaces, Each time the thermostat calls for heat, the burners will automatically light. The ignitor does not get hot when there is no call for heat on units with SureLight ® ignition system,
AWARNING
Gas Valve Operation (Figures 27, 28 and 29)
1 - STOP! Read the safety information at the beginning of this section,
2 - Set the thermostat to the lowest setting,
3 - Turn off all electrical power to the unit,
4 - This furnace is equipped with an ignition device which automatically lights the burners, Do not try to light the burners by hand,
5 - Remove the upper access panel,
6 - Honeywell VR8205 Gas Valve with ON/OFF Switch
-Move gas valve switch to OFF, See figure 27. Honeywell VR8205 Gas Valve with Control Knob - Turn knob on gas valve clockwise 41_ to OFF. Do not
force, See figure 28,
White Rodgers 36G Gas Valve - Move gas valve switch to OFF. See figure 29,
7 - Wait five minutes to clear out any gas. If you then smell gas, STOP! Immediately call your gas supplier from a neighbor's phone. Follow the gas supplier's instruc- tions. If you do not smell gas go to next step.
Honeywell VR8205 Series Gas Valve
MANIFOLD | (With On/Off Switch) |
PRESSURE | MANIFOLD |
| |
SCREW | PRESSURE |
(under cap) | OUTLET |
| DI |
GAS VALVE ON/OFF SWITCH SHOWN IN OFF POSITION
FIGURE 27
Honeywell VR8205 Series Gas Valve
with Gas Control |
| Knob |
MANIFOLD |
| MANIFOLD |
PRESSURE ._ | _ | PRESSURE |
ADJUSTMENT"'_'___,_, r | I h _'_'l_, OUTLET | |
SCREW _
GAS VALVE SHOWN IN OFF POSITION
FIGURE 28
White Rodgers 36G Series Gas Valve
MANIFOLD PRESSURE ADJUSTMENT SCREW (Undercover
SCOW)
PRESSURE
POST
GAS VALVE SHOWN IN OFF POSITION
FIGURE 29
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