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White Rodgers 1F94W-71 User Manual

Page 17

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17

Total Keypad Lockout

Switch #1 set at installation (DO NOT CHANGE)
Switch #2 set at installation (DO NOT CHANGE)
Switch #3 ON
Switch #4 (see AUTOMATIC CHANGEOVER)

Switches #1 and #2 are set at installation
and should not be changed. To enable total
keypad lockout, move option switch #3 to
ON (see figure above). DO NOT MOVE
OPTION SWITCHES #1 OR #2,
as this may
affect thermostat operation [option switch
#4 enables/disables automatic changeover
(see AUTOMATIC CHANGEOVER)]. To
disable total keypad lockout, move option
switch #3 to OFF.

will begin to heat the crankcase oils. The
thermostat’s time delay will lock out the
compressor to prevent its operation until the
compressor oil is sufficiently warmed. Dur-
ing the lockout time period, the auxiliary
heating system will operate to maintain a
setpoint temperature.

For example, if a power outage of three
hours occurs, the compressor will be locked
out for two hours.

TOTAL KEYPAD LOCKOUT — When op-

tion switch #3 is in the total keypad lockout
position (ON), programs cannot be altered
and all buttons are disabled.

Programming should be completed and bat-
tery should be installed before changing op-
tion switch #3.

NOTE

ON

1

2

3

4