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XT500C DELUXE PROGRAMMABLE HEAT-PUMP THERMOSTAT

9

69-1404

Pub. No. 18-HD25D2-2

Fig. 15 . Display of test number.

Refer to Table 5 for the directions and results of the specific tests.

Fig. 14. Display of all the segments of the LCD.

Table  4. Tests Available In The Installer Self-Test.

NOTE:

Press Time 

 to advance to the next test and Time 

 to go back to the previous test. Press Run Program to exit the

self-test. This mode times out 5 minutes after the last key press.

Table 5. Installer Self-Test Options.

(

continued)

Test  
Number

Self-Test Description

10

Heating  Equipment

20

Emergency  Heat  Equipment  (HP  systems
only)

30

Cooling Equipment

40

Fan  Equipment

50

Comfort-R  Terminals  (H-H)

60

Keyboard Operation

70

Device  Information

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

M14612

Key to
Press

Test
Number

Description

Heating Equipment Self-Test (10)

Time 

10

Enter heating equipment self-test.   

Temp

 ▲

11

First stage heat turns on.

Temp

 ▲

12

Second stage heat (some models) turns on.

Temp

 ▲

13

Third stage heat (some models) turns on.

Temp

 ▼

12

Third stage heat (some models) turns off.

Temp

 ▼

11

Second stage heat (some models) turns off.

Temp

 ▼

10

First stage heat turns off.

Emergency Heat Equipment Self-Test (20)

Time 

20

Enter emergency heating equipment self-test.

Temp

 

21

Emergency heat turns on.

Temp

 ▼

20

Emergency heat turns off.

Cooling Equipment Self-Test (30)

Time 

30

Enter cooling equipment self-test.   

Temp

 ▲

31

First stage cool and fan turn on.

Temp

 ▲

32

Second stage cool (some models) turns on.

Temp

 ▲

31

Second stage cool (some models) turns off.

Temp

 ▼

30

First stage cool and fan turn off.

Fan Equipment Self-Test (40)

Time 

40

Enter fan equipment self-test.

Temp

 ▲

41

Fan turns on.

Temp

 ▼

40

Fan turns off.

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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