CHECK THERMOSTAT OPERATION
If at any time during testing your system does not operate properly, contact a qualified serviceperson.
Fan Operation
If your system does not have a G terminal connection, skip to Heating System.
1.Turn on power to the system.
2.Move FAN switch to ON position. The blower should begin to operate.
3.Move FAN switch to AUTO position. The blower should stop immediately.
Heating System
1.Move SYSTEM switch to HEAT position. If the heating system has a standing pilot, be sure to light it.
2.Press 
to adjust thermostat setting above room tempera- ture. The heating system should begin to operate.
3.Press 
to adjust temperature setting below room tempera- ture. The heating system should stop operating.
Cooling System
!CAUTION
To prevent compressor and/or property damage, if the outdoor temperature is below 50°F, DO NOT operate the cooling system.
1.Move SYSTEM switch to COOL position.
2.Press 
to adjust thermostat setting below room tempera- ture. The blower should come on immediately on high speed, followed by cold air circulation
3.Press 
to adjust temperature setting above room tem- perature. The cooling system should stop operating.
Before you begin programming your thermostat, you should be familiar with its features and with the display and the location and operation of the thermostat buttons. Your thermostat consists of two parts: the thermostat cover and the base. To remove the
cover, gently pull it straight out from the base. To replace the 1 cover, line up the cover with the base and press gently until the cover snaps onto the base.
OPERATION
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THE THERMOSTAT BASE
See fig. 11 for the location of the following buttons, switches and indicators on the thermostat.
SET TIME VIEW PRGM RUN PRGM HOLD TEMP | FAN ON AUTO COOL OFF HEAT |
The Thermostat Buttons and Switches
1 | (Red arrow) Raises temperature setting. |
2 | (Blue arrow) Lowers temperature setting. |
3 | SET TIME button. |
4 | VIEW PRGM (program) button. |
5 | RUN PRGM (program) button. |
11
3 | 4 | 5 | 6 |
9 |
| 10 |
|
MO TU WE TH FR |
| HEAT |
|
|
|
| |
AM |
|
|
|
BATTERY
12 13
78
9
SA SU
HOLD COOL
11 14 10
6 | HOLD TEMPerature button. |
7 | FAN switch (ON, AUTO). |
8 | SYSTEM switch (COOL, OFF, HEAT). |
The Display
9 Indicates day of the week.
10HEAT is displayed when the SYSTEM switch is in the HEAT
position. COOL is displayed
Figure 11. Thermostat display, buttons, and switches
11Alternately displays current time and temperature.
12BATTERY is displayed when the 3 “AA” batteries are low and should be replaced. Nothing else will be displayed.
13Displays currently programmed set temperature (this is blank when SYSTEM switch is in the OFF position).
14The word HOLD is displayed when the thermostat is in the HOLD mode.
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