G21 (Q & V) Series Parts Arrangement
LIMIT |
|
|
CONTROL |
|
|
DIFFERENTIAL |
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|
PRESSURE | GAS VALVE | |
SWITCH |
|
|
AIR INTAKE | EXPANSION |
|
TANK |
| |
CONNECTION |
| |
|
| |
| CONTROL |
|
AIR VALVE | BOX |
|
|
| |
AND |
|
|
AIR HOUSING |
|
|
LOW VOLTAGE |
|
|
TERMINAL |
|
|
STRIP |
|
|
| G21Q SERIES | G21V SERIES |
| BLOWER MOTOR | |
| BLOWER MOTOR | |
|
| |
BLOWER | DOOR |
|
|
| |
| INTERLOCK SWITCH |
|
FIGURE 1
For Your Safety, Read Before Lighting
WARNING
Do not use this furnace if any part has been under. water. Immediately call a qualified service techni. cian to inspect the furnace and to replace any part of the control system and any gas control which has been under water.
WARNING
If overheating occurs or if gas supply fails to shut off, shut off the manual gas valve to the appliance before shutting off electrical supply.
CAUTION
Before attempting to perform any service or mainte. nance, turn the electrical power to unit OFF at dis. connect switch.
WARNING
Do not set the thermostat below 60_F (16_C) when it is in heating mode. Setting the thermostat below 60_F (16_C) reduces the number of heating cycles. Damage to the unit may occur that is not covered by the warranty.
BEFORE LIGHTING smell all around the appliance area for gas. Be sure to smell next to the floor be.
cause some gas is heavier than air and will settle on
the floor.
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