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XT500C DELUXE PROGRAMMABLE HEAT-PUMP THERMOSTAT

5

69-1404

Pub. No. 18-HD25D2-2

Installer Setup Procedure

1. Press and hold the Information  

         

Increase 

,

and Decrease 

 keys at the same time until all display

segments and the first setup number displays
(all display segments appear for approximately three
seconds before the setup number displays). See
Figs. 12 and 13.

M14559

Aux Ht

Set Day/Time

Set Program

Mon
Wake Leave Return

Sleep

Outdoor

Room

Filter

Wait

System

Fan

Em Heat

On

Auto

Off

Cool

Auto

AM

PM

Hold for

Heat Cool

Repl Batt

Recovery

DST

Tue Wed Thu Fri Sat Sun

Days

Temporary Setting

Em Ht

M14618

Comfort-R™ 
CONTROL

OFF

ON

AUTO ONLY 
(SYSTEM 
AUTOMATICALLY 
SELECTS HEAT 
OR COOL)

PROGRAMMING

OUTDOOR 
TEMPERATURE 
DISPLAY

SYSTEM 
SETTING 
(HEATING
 AND 
COOLING 
SETTING)

CLOCK 
FORMAT

TEMPERATURE 
DISPLAY

COOLING 
DROOP

Adaptive 
Intelligent 
Recovery™ 
CONTROL 
(A HONEYWELL 
TRADEMARK)

7-DAY 
PROGRAMMING

NO OUTDOOR 
TEMPERATURE 
IS DISPLAYED

AUTO/MANUAL 
(SYSTEM 
AUTOMATICALLY 
SELECTS 
HEAT OR COOL; 
YOU CAN 
SELECT HEAT, 
COOL OR OFF.)

24-HOUR 
CLOCK FORMAT

FARENHEIT (

°

F)

ON

ON

24-HOUR 
PROGRAMMING

NO OUTDOOR 
TEMPERATURE 
IS DISPLAYED

MANUAL ONLY
(YOU SELECT 
HEAT, COOL 
OR OFF.)

24-HOUR 
CLOCK FORMAT

CENTIGRADE (

°

C)

OFF

OFF 
(CONVENTIONAL 
RECOVERY)

CONSTANT 
TEMPERATURE
SETPOINT 
PROGRAMMING

M17110

Figure 11. Customizing Your Thermostat chart,

from Owners Guide, Pub. No. 22-5128-02.

Fig. 12. Display of all the segments of the LCD.

IMPORTANT

Only configurable numbers display. Example: Installer Setup Number 1 does not display because it is not configurable.
Review the factory settings in Table 3 and make any desired changes in the Actual Settings column. When the Installer
Setup is complete, review the settings to confirm that they match the system and the boxes you checked in the
Customizing Your Thermostat chart located in the Owners Guide.

Table  3. Installer Setup Options for the XT500C.

(continued)

Fig. 13. Display of Installer Setup number and option.

To advance to the next Installer Setup, press Time 

.

To change a setting, press Increase 

 or Decrease 

.

To scroll the Installer Setup numbers backwards, press
Time 

.

To exit the Installer Setup, press Run Program.

Press Time  

▲ 

or

 ▼  

 

Press Increase 

 or Decrease 

 to change setting

Installer   

Factory Setting

Other Choices

Actual

Select

Setup Number

Display

Description

Display

Description

Setting

Programming

42
Press Time 

▼   

to bypass 3–41
and go directly   
to setup #42

0

7-day programming

1 or 2

1—24-hour
programming
2—No programming

Number of
heating and
cooling stages

3

1

2 heating stages and 1
cooling stage (2H/1C)

2

3 heating stages and   
2 cooling stage
(3H/2C)

Compressor 1
heating cycle rate

4

3

3—3 cph recommended
5, 6, or 9 cph not
recommended

5, 6, or 9

5—5 cph
6—6 cph
9—9 cph

Compressor 2
heating cycle rate

5

3

3—3 cph recommended   
5, 6, or 9 cph not
recommended

5, 6, or 9

5—5 cph
6—6 cph
9—9 cph

Auxiliary heating
cycle rate

6

5

5—5 cph recommended   
3, 6, or 9 cph not
recommended

3, 6, or 9

3—3 cph
6—6 cph
9—9 cph

Summary of Contents for XT500C

Page 1: ...nd on the product to make sure the product is suitable for your application 3 Installer must be a trained experienced service technician 4 After completing installation use these instructions to check...

Page 2: ...e is located near each terminal for identification WARNING Electrical Shock or Equipment Damage Hazard Can shock individuals or cause equipment damage Disconnect power before wiring to prevent electri...

Page 3: ...heating and cooling operation depending on the indoor temperature Time Set Program System Filter Fan Run Program Hold Temp Set Current Day Time Wake Leave Return Sleep Day Heat Cool Settings Daylight...

Page 4: ...s on changing the default settings Table 2 Default Program Settings M17150 LED INDICATOR M14610 Aux Ht System Em Heat Em Ht FLAME DISPLAYS DURING CALL FOR HEAT AUX HT DISPLAYS WHEN SYSTEM CALLS FOR AD...

Page 5: ...of all the segments of the LCD IMPORTANT Only configurable numbers display Example Installer Setup Number 1 does not display because it is not configurable Review the factory settings in Table 3 and...

Page 6: ...system starts early so setpoint is reached by start of program period 1 Conventional recovery system starts recovery at programmed time Degree temp erature display 14 0 Temperature displays in F 1 Tem...

Page 7: ...essor 0 thru 15 Minimum number of minutes 0 thru 15 the compressor will be on during call for cool Temperature range stops in heating 34 85 Highest setpoint heating can be set to 55 to 85 Temperature...

Page 8: ...shes on the display until a key is pressed 2 Press Day until the current day displays NOTE Tapping the Set Current Day Time will change the time in one hour increments Press Time or Press Increase or...

Page 9: ...eat On Auto Off Cool Auto AM PM Hold for Heat Cool Repl Batt Recovery DST Tue Wed Thu Fri Sat Sun Days Temporary Setting Em Ht M14612 Key to Press Test Number Description Heating Equipment Self Test 1...

Page 10: ...and Comfort R is enabled display reads If the terminals are closed no displays Keyboard Operation Self Test 60 Time 60 7 Enter keyboard operation self test Temp 60 9 Increase test number displays Tem...

Page 11: ...ceed with troubleshooting Temperature display is incorrect Room temperature display has been reconfigured Enter Installer Setup number 37 and reconfigure the display Thermostat is configured for F or...

Page 12: ...g setpoint Set cooling setpoint to desired temperature Heating or cooling comes on momentarily and shuts off Heat or cool circuit is opening up or becoming high impedance Add resistor in parallel with...

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