Home > WHITE RODGERS > WHITE-RODGERS 1F91-71 Multi Stage Electronic Digital Thermostat Installation Guide
WHITE-RODGERS 1F91-71 Multi Stage Electronic Digital Thermostat Installation Guide
tors and the plastic snaps lock into place (see fig. 7). Be
gentle when attaching thermostat. If the thermostat
does not seem to be attaching to the subbase easily,
make sure that the connector pins and plastic snaps are
properly aligned, and that excess wire is pushed into the
wall. Damage to the thermostat may occur if force is
used.
ATTACH THERMOSTAT TO SUBBASE
IT IS RECOMMENDED THAT YOU SET OPTION
SWITCHESTODESIREDPOSITIONBEFOREATTACH-
ING ON SUBBASE (see OPERATION). IT IS ALSO
RECOMMENDED THAT YOU PROGRAM THE
THERMOSTATWITHBATTERYINSTALLEDBEFORE
ATTACHING ON SUBBASE (see OPERATION GUIDE
for programming instructions).
POWER TO THERMOSTAT MUST BE OFF BEFORE
ATTACHING THERMOSTAT TO WALL. FAILURE TO
TURN OFF POWER BEFORE ATTACHING THERMO-
STAT MAY CAUSE EQUIPMENT DAMAGE DUE TO
RAPID COMPRESSOR CYCLING.
To attach thermostat to subbase, line up the plastic snap
guides at the top of the thermostat and the 4 connector
pins on the thermostat with the connectors near the top
right section of the subbase (when viewed from the front).
Gently pivot the thermostat down until the 9-pin connec-
ENGAGE TWO UPPER GUIDES;
PIVOT DOWN
Figure 7. Attaching thermostat to subbase
OPERATION
SYSTEM CONFIGURATION
NOTE
NOTE
The battery maintains the stored program in the event of
a power failure. When attached to the wall with 24v AC
power applied, the thermostat will function normally with-
out the battery. However, the program will be lost in the
event of a power failure or interruption if the battery is not
installed. When power is restored, the thermostat will
automatically maintain a heating temperature of 64°F or
a cooling temperature of 82°F (factory preprogrammed)
as needed.
ANY TIME AN OPTION SWITCH IS CHANGED, THE 9
VOLT ENERGIZER® BATTERY MUST BE REMOVED
FOR A MINIMUM OF 2 MINUTES.
SET OPTION SWITCHES
1. Multi-stage Systems — up to 3 heat stages and 2
cool stages
ON
Switch #1 ON
Switch #2 OFF
Switch #3 (see step 3)
Switch #4 (see step 4)
4-pin connector
Battery
1
2
3
4
2. Electric Heat Systems
ON
Switch #1 ON
Switch #2 ON
Switch #3 (see step 3)
Switch #4 (see step 4)
1
2
3
4
3. Economizer — 1st stage cooling
ON
Switch #1 (see steps 1-2)
Switch #2 (see steps 1-2)
Switch #3 ON
Switch #4 (see step 4)
1
2
3
4
Option switches
9-pin connector
Figure 8. Back of thermostat
4. Automatic Changeover from Heat to Cool
ON
Switch #1 (see steps 1-2)
Switch #2 (see steps 1-2)
Switch #3 (see step 3)
Switch #4 ON
1
2
3
4
6
| General | Details |
|---|---|
| Name | WHITE-RODGERS 1F91-71 Multi Stage Electronic Digital Thermostat Installation Guide |
| Make | WHITE RODGERS |
| Language | English |
| Filetype | PDF (Download) |
| File size | 0.11 MB |
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