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ATTACH THERMOSTAT TO SUBBASE
WE RECOMMEND THAT YOU SET OPTION SWITCHES
TO DESIRED POSITION BEFORE ATTACHING ON
SUBBASE (see OPERATION). WE ALSO RECOM-
MEND THAT YOU PROGRAM THE THERMOSTAT
WITH BATTERY INSTALLED BEFORE ATTACHING
ON SUBBASE (see OPERATION GUIDE for program-
ming instructions).
USE
SYSTEM
TO SET THERMOSTAT TO OFF BEFORE
HEAT - OFF - COOL - AUTO
ATTACHING THERMOSTAT TO WALL. FAILURE TO
TURN THERMOSTAT OFF BEFORE ATTACHING
THERMOSTAT 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-
tors and the plastic snaps lock into place (see fig. 7). Be
OPERATION
SYSTEM CONFIGURATION
SET OPTION SWITCHES
1. For furnaces not requiring a G terminal to energize
fan (systems with fan/limit switch or automatic fan on/
off operation):
Switch #1 ON
ON
Switch #2 (see step 3)
Switch #3 (see step 4)
Switch #4 (see step 5)
1
2
3
4
2. For systems with electric furnace, and where blower
is energized through fan relay (no sequence to ener-
gize blower):
ON
1
2
3
4
3. For systems with an economizer for first stage
cooling:
Switch #1 (see steps 1 & 2)
ON
Switch #2 ON
Switch #3 (see step 4)
Switch #4 (see step 5)
1
2
3
4
4. To enable Energy Management Recovery (EMR):
In EMR mode, the thermostat will energize the sys-
tem before the next time period begins so that the
setpoint temperature for the next program period is
reached by the beginning of the program period.
ON
1
2
3
4
6
Switch #1 OFF
Switch #2 (see step 3)
Switch #3 (see step 4)
Switch #4 (see step 5)
Switch #1 (see steps 1-2)
Switch #2 (see step3)
Switch #3
ON
Switch #4 (see step 5)
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.
ENGAGE TWO UPPER GUIDES;
PIVOT DOWN
Figure 7. Attaching thermostat to subbase
4-pin connector
Option switches
Figure 8. Back of thermostat
NOTE
Set option switches #1, #2, and #3 and program the
thermostat before changing option switch #4.
5. To enable total keypad lockout (ALL buttons will be
disabled and will not operate until configuration is
changed):
Switch #1 (see steps 1-2)
ON
Switch #2 (see steps 3)
Switch #3 (see step 4)
Switch #4 ON
1
2
3
4
Battery
9-pin connector
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