CHECK THERMOSTAT OPERATION
If at any time during testing your system does not operate properly, contact a qualified service person.
Turn on power to the system.
Fan Operation
If your system does not have a G terminal connection, skip to Heating System.
1.Move fan switch to ON position. The blower should begin to operate.
2.Move fan switch to AUTO position. The blower should stop immediately.
Heating System
1.Move SYSTEM switch to HEAT position. If the auxiliary heating system has a standing pilot, be sure to light it.
2.Press 
to adjust thermostat setting to 1° above room temperature. The Heat Pump system should begin to oper-
ate. However, if the Flame icon (
) and Snowflake icon (
) are flashing, the compressor lockout feature is operating (see Configuration menu, item 7).
3.Adjust temperature setting to 4° above room temperature. The auxiliary heat system should begin to operate and the Flame icon will be flashing.
4.Press 
to adjust temperature setting below room tem- perature. The heating system should stop operating.
Emergency System
EMER bypasses the Heat Pump to use the heat source wired to terminal E on the thermostat. EMER is typically used when compressor operation is not desired, or you prefer
1.Move SYSTEM switch to EMER position, EMER will flash on the display.
2.Press 
to adjust the thermostat above room tempera- ture. The Aux heating system will begin to operate. The Flame icon (
)will display flashing to indicate that the Aux system is operating.
3.Press 
to adjust the thermostat below room tempera- ture. The Aux 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.
▲! CAUTION
Do not allow the compressor to run unless the com- pressor oil heaters have been operational for 6 hours and the system has not been operational for at least 5 minutes.
OPERATION
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 con- sists of two parts: the thermostat cover and the base. To remove the cover, pull it straight out from the base. To replace the cover, line up the cover with the base and press until the cover snaps onto the base.
THE THERMOSTAT BASE
Other than 
and 
, the following buttons and switches are located on the bottom of the thermostat cover (see fig. 5).
The Thermostat Buttons and Switches
1Raises temperature setting.
2Lowers temperature setting.
3TIME button.
4 PRGM (program) button.
5 RUN (program) button.
6 HOLD temperature button.
7 FAN switch (ON, AUTO).
8 SYSTEM switch (COOL, OFF, HEAT, EMER).
4
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| 1 |
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| 2 |
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| FAN | OFF HEAT | |
TIME | PRGM | RUN | HOLD |
| |
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| ON | AUTO | COOL EMER |
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| Fltr |
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3 | 4 | 5 | 6 | 7 | 8 |
9 | |||||
9 
10
MO TU WE TH FR |
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| SA SU | MALF | |
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| AM |
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| PM |
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FLTR |
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| HOLD EMER |
| |
16 | 13 | 15 | 11 | 14 | 13 12 | 11 |
Figure 5. Thermostat display, buttons, and switches
