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TRANE XR103 Non-Programmable Heat Pump Thermostat User Guide

Installation and User Guide  
3. Pull the cover off the thermostat body. Forcing or prying on  
the thermostat will cause damage to the unit.  
6. Connect wires to terminal block on base using appropriate  
wiring diagram.  
4. Move base over hole in wall and mark mounting hole  
locations on wall using base as template. (See Fig. 1)  
7. Push excess wire into wall and plug hole with a fire resistant  
material (such as fiberglass insulation) to prevent drafts from  
affecting thermostat operation.  
5. Move base out of the way. Drill mounting holes. If you are  
using existing mounting holes pull thermostat wire bundle  
through the hole in the thermostat base. Secure sub-base  
to the wall. Leveling is for appearance only and will not affect  
thermostat operation.  
8. Two “AAA” alkaline batteries are included in the thermostat  
at the factory with a battery tag to prevent power drainage.  
9. Remove the battery tag to engage the batteries.  
4.3 Configuration  
FIGURE 2. BATTERY LOCATION  
Mounting  
Hole  
W904  
Clip for Celsius  
O/B  
Terminal  
Switch  
Selection  
W905  
Clip for Slow Cycle  
W904  
W905  
Mounting  
Hole  
W906  
Clip for Emergency Heat  
Second Stage Fan Control  
Electric/Gas Jumper (Fan Option)  
O/B Terminal Switch Selection  
If your emergency or auxiliary system will energize the blower,  
then jumper W906 on the thermostat base must be cut  
(see fig. 1).  
The O/B switch on this thermostat is factory set to “O” position.  
This will accommodate the majority of heat pump applications,  
which require the changeover relay to be energized in COOL.  
If the thermostat you are replacing or the heat pump being  
installed with this thermostat requires a “B” terminal, to energize  
the changeover relay in HEAT, the O/B switch must be moved  
to the “B” position.  
If your emergency or auxiliary heat system requires that the  
thermostat energize the fan circuit, do not cut jumper W906.  
If you are unsure of your application, contact a qualified  
service person.  
Battery Location  
°F or °C Selection  
The factory default setting for temperature display is Fahrenheit.  
If you want the temperature in Celsius, clip jumper W904.  
This thermostat does not require batteries to operate. The 2  
“AAA” alkaline batteries are for the thermostat to remember the  
configuration menu selections if AC voltage is lost. If the display  
shows BATT or when AC power is not present, the batteries  
are low and should be replaced with fresh “AAA” Energizer®  
alkaline batteries. For best results, replace all batteries with new  
premium brand alkaline batteries. To replace the batteries, install  
the batteries along the bottom (see fig. 2). The batteries must be  
installed with the positive (+) ends to the right.  
Fast or Slow Cycle Selection  
The factory default setting is fast cycle, which cycles 1st stage  
at approximately 1.2°F and 2nd stage 0.75°F. If you prefer slow  
cycle, clip jump W905. The 1st stage and 2nd stage would be  
1.5°F and 1.2°F respectively.  
4
Pub. No. 18HD55D1-1C-EN 09/2020 Part No. 37-7790003  
GeneralDetails
NameTRANE XR103 Non-Programmable Heat Pump Thermostat User Guide
MakeTrane
LanguageEnglish
FiletypePDF (Download)
File size0.2 MB
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