TRANE XR103 Non-Programmable Heat Pump Thermostat User Guide
Trane XR103
Non-Programmable
Heat Pump Thermostat
TCONT103
Installation and User Guide
ALL phases of this installation must comply with NATIONAL, STATE AND LOCAL CODES
IMPORTANT — This Document is customer property and is to remain with this unit.
These instructions do not cover all variations in systems or provide for every possible contingency to be met in connection with
the installation. Should further information be desired or should particular problems arise which are not covered sufficiently
for the purchaser’s purposes, the matter should be referred to your installing dealer or local distributor.
Pub No. 18-HD55D1-1C-EN
Part No. 37-7790003
September 2020
| General | Details |
|---|---|
| Name | TRANE XR103 Non-Programmable Heat Pump Thermostat User Guide |
| Make | Trane |
| Language | English |
| Filetype | PDF (Download) |
| File size | 0.2 MB |

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Trane XR103 Manual: Questions and Answers
How do I wire the Trane XR103 to my heat pump and furnace system?
Connect terminals according to your specific equipment configuration. Section 4.4 provides wiring diagrams for multiple heat pump and furnace combinations including TAM7, GAF2-S, S9V2, variable speed blower setups, and others matching your installation. User Guide, p. 2
What does the flashing Flame and Snowflake icon mean on Trane XR103?
The compressor lockout feature is operating. It waits 5 minutes before turning on the compressor after a power loss, or 5 minutes minimum between cooling and heating cycles. User Guide, p. 9
What do the flame and snowflake symbols mean on Trane XR103?
Flame indicates heat mode. Flashing flame means second-stage heat is energized. Snowflake shows cooling mode. Both flashing together signal compressor lockout. User Guide, p. 8
























