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Trane TAYSTAT 575 - User Manual

Trane TAYSTAT 575
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X-XX UL
INSTALLATION INSTRUCTIONS
Electronic
Heat Pump Thermostat
TAYSTAT 575
APPLICATION
The TAYSTAT 575 Electronic Heat Pump Thermostat provides electronic control of 24 Vac, two speed or two com-
pressor heat pump systems with auxiliary heat. The TAYSTAT 575 can be configured to operate a single compressor
heat pump system. Refer to Table 1 for a general description of the thermostat. All TAYSTAT 575 Thermostats require
a common wire to supply power.
Table 1. TAYSTAT 575 Thermostat Description.
MERCURY NOTICE
If this control is replacing a control that contains
mercury in a sealed tube, do not place your old
control in the trash. Dispose of properly.
Contact your local waste management authority for
instructions regarding recycling and the proper
disposal of the old control.
INSTALLATION
When Installing this Product...
1. Read these instructions carefully. Failure to follow
the instructions can damage the product or cause a
hazardous condition.
2. Check the ratings given in the instructions and 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 out the product operation.
CAUTION
Electrical Shock or Equipment Damage Hazard.
Can shock individuals or short
equipment circuitry.
Disconnect power supply before installation.
Location
Install the thermostat about 5 ft (1.5m) above the floor in
an area with good air circulation at average temperature.
See Fig. 1.
Do not install the thermostat where it can be affected by:
— drafts, or dead spots behind doors and in corners.
— hot or cold air from ducts.
— radiant heat from sun or appliances.
— concealed pipes and chimneys.
— unheated (uncooled) areas such as an outside wall
behind the thermostat.
®U.S. Registered Trademark. • • All Rights Reserved
Pub. No. 11-HD28D2-1
69-1591-1
TAYSTAT Changeover
System Selection
Fan
Selection Comments
575 Automatic Em. Ht. – Heat-Off-Auto-Cool On-Auto Down-selectalbe for single compressor
systems.

Table of Contents

Questions and Answers

  • F
    fschmidtJul 30, 2025
    Why is my Trane TAYSTAT 575 Thermostat not turning on the heat?
    • C
      Craig PhamJul 30, 2025
      If the heating isn't working on your Trane Thermostat, there are several things to check. First, ensure the thermostat is getting power by verifying the B terminal connection and checking for 24 Vac between the B and R terminals. Also, check the circuit breaker, system fuse, and HVAC equipment power switch. Inspect the wiring for issues. If power is present, the thermostat's minimum off time might be active, so wait up to five minutes. Make sure the system selection is set to Heat and that the heating setpoint is higher than the room temperature.
  • K
    Kelli RichAug 3, 2025
    Why is the display not working on my Trane TAYSTAT 575?
    • P
      Paul ColeAug 3, 2025
      If the display on your Trane Thermostat doesn't turn on, it could be due to a couple of reasons. First, ensure that the thermostat is receiving power by checking that the B terminal is connected to the system transformer and verifying 24 Vac between the B and R terminals. If there's no voltage, check the circuit breaker, system fuse, and the power switch on the HVAC equipment. Also, inspect the wiring for any breaks or loose connections. If power is present, the thermostat's microprocessor might be locked up; try removing the thermostat from the wallplate for 2 minutes, then reattaching it.
  • R
    Robin TorresAug 7, 2025
    Why is the temperature reading wrong on my Trane Thermostat?
    • B
      brent36Aug 7, 2025
      If the temperature display on your Trane Thermostat is incorrect, it might be due to a reconfiguration of the room temperature display, the thermostat being configured for the wrong temperature scale (°F or °C), or a poor thermostat location. Try entering Installer Setup Number 37 to reconfigure the display, Installer Setup Number 14 to adjust the temperature scale, or relocate the thermostat to a better location.
  • D
    Denise RobinsonAug 12, 2025
    Trane TAYSTAT 575 Thermostat says 'System On' but there is no heat, why?
    • W
      wattsryanAug 12, 2025
      If the System On indicator is lit on your Trane Thermostat but no heat is being delivered, it indicates that the heating equipment itself might not be operating. Verify the operation of the heating equipment in the system test.
  • P
    Philip RogersAug 16, 2025
    What to do if my Trane Thermostat is not turning on the AC?
    • M
      Mary GarciaAug 16, 2025
      If the cooling isn't activating on your Trane Thermostat, start by checking the power supply. Ensure the B terminal is connected and verify 24 Vac between the B, R, and Y terminals. Check the circuit breaker, system fuse, and the HVAC equipment's power switch. Also, inspect the wiring for any loose connections or breaks. If power is present, the thermostat's minimum off time may be active; wait up to five minutes, or reconfigure the minimum off time in Installer Setup mode number 33. Ensure the system selection is set to Cool.
  • M
    Michelle ButlerAug 20, 2025
    What to do if the outdoor temperature is wrong on my Trane TAYSTAT 575 Thermostat?
    • E
      Eric KeithAug 20, 2025
      If the outdoor temperature display on your Trane Thermostat is incorrect, it could be due to the outdoor sensor being connected incorrectly or using an incorrect sensor. Check the wiring between the thermostat and sensor, referring to the TAYSENS100A installation instructions. If the sensor is incorrect, replace it with a TAYSENS100A Sensor.
  • A
    Anthony YatesAug 25, 2025
    How to display outdoor temperature on my Trane TAYSTAT 575?
    • D
      duffybrittanyAug 25, 2025
      If the outdoor temperature is not displayed on your Trane Thermostat, it could be because the option is not activated. Enter Installer Setup mode number 24 and set it to 01. Note that the thermostat must have OT terminals and a TAYSENS100A installed.

Summary

Installation Guidelines

Electrical Hazard Warning

Warning about electrical shock or equipment damage during installation.

Thermostat Installation Location

Wallplate Installation Procedure

Thermostat Wiring Guide

Mounting the Thermostat Unit

Thermostat Settings Overview

System and Fan Settings Configuration

How to set system operation (Em. Heat, Heat, Off, Cool, Auto) and fan operation.

Emergency Heat Functionality

Temperature Setting Adjustments

Installer Setup Options

Number of Compressor Stages

Compressor Heating Cycle Rate

Stage 1 Cooling Cycle Rate

System Setting Adjustment

Installer Setup Options (Continued)

Degree Temperature Display

Temperature Display Adjustment

Adjusts the displayed temperature relative to the actual room temperature.

Minimum Off Time (Heat)

Minimum Off Time (Cooling)

Minimum Deadband

Minimum On Time (Heat)

Minimum On Time (Cooling)

Temperature Range Stops in Heating

Temperature Range Stops in Cooling

Installer System-Test

Heating Equipment System Test

Tests the operation of heating equipment stages and fan.

Emergency Heating Equipment System-Test

Tests the operation of emergency heating equipment and fan.

Cooling Equipment System Test

Tests the operation of cooling equipment stages and fan.

Fan Equipment System Test

Tests the operation of the system fan.

Key Operation System Test

Tests the function of the system key for various modes.

Fan Key System Test

Tests the function of the fan key for on and off states.

Checkout Procedures

Outdoor Temperature Sensor Check

Troubleshooting Guide

Display Does Not Come On

Troubleshooting steps for a blank thermostat display.

Temperature Display Incorrect

Resolving issues with inaccurate temperature readings.

Temperature Settings Will Not Change

Troubleshooting limits preventing temperature setting changes.

Heating Does Not Come On

Diagnosing why the heating system is not engaging.

Troubleshooting Guide (Continued)

Cooling Does Not Come On

Diagnosing why the cooling system is not engaging.

System On Indicator Lit, No Heat Delivered

Troubleshooting no heat delivery despite system indicator.

Outdoor Temperature Not Displayed

Outdoor Temperature Display Incorrect

Trane TAYSTAT 575 Specifications

General IconGeneral
BrandTrane
ModelTAYSTAT 575
CategoryThermostat
LanguageEnglish

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