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Check thermostat operation – White Rodgers 1F92W-51 User Manual

Page 19

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CHECK THERMOSTAT OPERATION

When checking thermostat, option switch #4 for
automatic changeover must be in the OFF position.
This will allow temporary setting of heat set points
above cool settings. After system checkout, reset
option switch to ON position if automatic changeover
is desired (see SET OPTION SWITCHES).

FAN OPERATION

1. Turn on power to the system. If the auxiliary heat

source has a standing pilot, be sure to light it.

2. Press

FAN

ON – AUTO

until FAN

is displayed. The

blower should begin to operate.

3. Press

FAN

ON – AUTO

until FAN

is displayed. The

blower should stop operating within approxi-
mately one minute.

NOTE

HEATING SYSTEM OPERATION

1. Press

SYSTEM

HEAT-OFF-COOL-AUTO

until HEAT is displayed. (It should

already be displayed.)

2. Press

to adjust thermostat to 99

°

F. All

stages of the heating system should come on
within approximately five minutes. However, if
the PUMP LED is flashing, the compressor lock-
out feature is operating (see Lockout Bypass
Option
to temporarily override the compressor
lockout feature during testing).

3. Press

SYSTEM

HEAT-OFF-COOL-AUTO

until EMER is displayed. Repeat

step 2.

4. To program the thermostat, see PROGRAM-

MING YOUR THERMOSTAT.