Trane TCONT402AN32DA Installer's Manual
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Trane TCONT402AN32DA Installer's Manual

Electronic non-programmable 3 heat (gas, oil or elec) / 2 cool / heat pump, dual fuel
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Table of Contents

See also: Owner's Manual
Installer's Guide
XR402
TCONT402AN32DA
3 Heat (Gas, Oil* or Elec) / 2 Cool / Heat Pump, Dual Fuel
(Factory set for 2H/2C gas/cooling applications, BK Output enabled)
Electronic Non-Programmable
3 - 16 Wire Hookup (2 for Outdoor Sensor)
(2 for Optional Remote Indoor Sensor, 2 for Optional Humidistat)
ALL phases of this installation must comply with NATIONAL, STATE AND LOCAL CODES
Note: Read the entire instruction manual before starting the
installation.
Contents
Introduction ........................................................................... 1
Application ............................................................................ 1
Product Specifications ........................................................ 2
Installation ............................................................................ 2
Mounting and Wiring ............................................................. 2
SETUP ................................................................................... 3
Checkout ............................................................................... 4
Troubleshooting .................................................................. 14
Features .............................................................................. 15

Introduction

TCONT402AN32DA is a digital non-programmable
3Heat/ 2 Cool/Heat Pump/ Heat-Cool wall mounted low
voltage (24VAC) Comfort Control with backlit LCD and
keypad. It maintains room temperature by controlling the
operation of heating, cooling, heat pump and dual fuel
systems. The Comfort Control is easily configured for heat
pump or cooling only and gas or electric or dual fuel heat
applications via the user friendly Installer Setup menu.
The Comfort Control features include separate heating
and cooling setpoints, selectable auto or manual
changeover, adjustable energy saving mode, adjustable
filter reminder, outdoor temperature sensing, remote room
sensing and remote humidistat input. Setup selections
and diagnostics are stored indefinitely in the Comfort
Controls nonvolatile memory eliminating the need for
battery backup.
Safety Considerations
Read the following manufacturer instructions carefully.
Follow all local codes during installation. All wiring must
conform to local and national electrical codes. Improper
wiring or installation may damage the comfort control.
Recognize safety information. This is the safety alert
▲
symbol
!
. When you see this symbol on the equipment
and in the instruction manual, be alert to the potential for
personal injury.
Understand the signal words DANGER, WARNING and
CAUTION. These words are used with the safety-alert
symbol. DANGER identifies the most serious hazards
which will result in severe personal injury or death.
WARNING signifies a hazard which could result in
personal injury or death. CAUTION is used to identify
unsafe practices which could result in minor personal
injury or product and property damage.
$
Filter/OD
Application Hook Up Diagrams
Dual Fuel*
1-2 Stage/Step Heat Pump
2 Stage VS Gas Furnace
2 Stage Heat Pump
2 Stage VS Gas Furnace
2 Step Heat Pump
2 Stage VS Gas Furnace
1 Stage Heat Pump
2 Stage VS Gas Furnace
1 Stage Heat Pump
1-2 Stage Non-VS
Gas Furnace
Heat Pump
1-2 Stage/Step Heat Pump
VS Air Handler
2 Stage Heat Pump
VS Air Handler
2 Step Heat Pump
VS Air Handler
2 Heat Pumps
Split Coil VS Air Handler
2 Heat Pumps
Split Coil VS Air Handler
1 Stage Heat Pump
VS Air Handler
1 Stage Heat Pump
Non-VS Air Handler
Cooling
1-2 Stage/Step Cooling
VS Indoor
2 Stage Cooling
VS Indoor
2 Step Cooling
VS Indoor
2 Cool Units
Split Coil VS Air Handler
2 Cool Units
Split Coil VS Air Handler
1 Stage Cooling
VS Indoor
1 Stage Cooling
Non-VS Indoor
1 Stage Cooling
1 Stage Non-VS
Oil Furnace
1 Stage Heat Pump
Non-VS Oil Furnace
1-2 Stage/Step Heat Pump
VS Oil Furnace
* Requires external relay for Oil furnace applications. TAYPLUS103 not required
BAYSENS01ATEMPA for outdoor temperature sensing and display and optional
control is included.
Optional Humidistat: BAYSTAT253A
Optional Remote Indoor Sensor: ZZSENSAL0400AA
18-HD29D3-4
Available in French Canadian (FC)
Fan
Mode
w/ BK
no BK
no BK
no BK
no BK
w/ BK
no BK
no BK
w/ BK
no BK
no BK
no BK
w/ BK
no BK
no BK
w/ BK
no BK
no BK
no BK
no BK
no BK
w/ BK
FIG
DF-1
DF-2
DF-3
DF-4
DF-5
HP-1
HP-4
HP-5
HP-2
HP-3
HP-6
HP-7
CL-1
CL-3
CL-4
CL-2
CL-5
CL-6
CL-7
OIL-1
OIL-2
OIL-3

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Do you have a question about the TCONT402AN32DA and is the answer not in the manual?

Questions and answers

Anneli
May 16, 2025

Air conditioning do not work

User image 6827989a4c202
0
1 comments:
Mr. Anderson
May 22, 2025

Common issues causing the Trane TCONT402AN32DA air conditioning unit to not work include:

1. Blown fuse or tripped circuit breaker – Replace fuse or reset breaker.
2. Furnace power switch is OFF – Turn switch to ON.
3. Heating or cooling equipment not operating – Check and repair the system.
4. Incorrect wiring – Correct the wiring.
5. Shorted control wiring – Check and repair wiring.
6. Control requires replacement – Replace the control.
7. Keypad locked – Unlock by pressing Up and Down arrows together.
8. Keypad failure – Replace the control.
9. Remote indoor sensor selected but not connected or failed – Select proper option in ISU 36 or repair the wire, connection, or sensor.

This answer is automatically generated

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Summary of Contents for Trane TCONT402AN32DA

  • Page 1: Table Of Contents

    Mode Troubleshooting ..............14 Filter/OD Features ................15 Introduction TCONT402AN32DA is a digital non-programmable Application Hook Up Diagrams 3Heat/ 2 Cool/Heat Pump/ Heat-Cool wall mounted low voltage (24VAC) Comfort Control with backlit LCD and Dual Fuel* keypad. It maintains room temperature by controlling the...

  • Page 2: Product Specifications

    Strip only 1/4-in. of insulation from each wire to prevent a. Remove existing thermostat from wall. adjacent wires from shorting together when connected. © 2008 Trane All Rights Reserved Pub. No. 18-HD29D3-4...

  • Page 3: Setup

    Installer’s Guide SETUP 8. Match and connect control wires to proper terminals on the connector block. (See the following wire diagrams). Enter INSTALLER Setup: 9. Push any excess wire back into the wall and seal the hole (See Table 3, step 1 - 49 for option details) to prevent air leaks.

  • Page 4: Checkout

    Installer’s Guide Press Fan to return to the previous step. Table 1 Manual Test Mode Use the Up and Down arrow buttons to select or change Menu Item Setting (Choices) Step Default setup options. (Press MODE or FAN) (Press Up or Down arrow) (Press MODE or FAN) "G"...
  • Page 5 Installer’s Guide DUAL FUEL ONE OR TWO STAGE OR TWO STEP HEAT PUMP DUAL FUEL TWO STAGE HEAT PUMP TWO STAGE VS GAS FURNACE TWO STAGE VS GAS FURNACE BK DISABLED BK ENABLED Note B - Cut/remove the factory installed "BK" jumper at the indoor unit. Note C - For Dual Fuel, cut the JP1 jumper on the Comfort Control.
  • Page 6 Installer’s Guide DUAL FUEL SINGLE STAGE HEAT PUMP NON-VARIABLE SPEED ONE OR TWO STAGE GAS FURNACE BK DISABLED Note C - For Dual Fuel, cut the JP1 jumper on the Comfort Control. NOTE: See Fig. OIL-1 for external relay connections for oil furnaces. COMFORT CONTROL NON-V.S.
  • Page 7 Installer’s Guide ONE OR TWO STAGE OR TWO STEP HEAT PUMP TWO HEAT PUMPS VARIABLE SPEED AIR HANDLER SPLIT COIL VARIABLE SPEED AIR HANDLER BK ENABLED BK ENABLED Note B - Cut/remove the factory installed "BK" jumper at the indoor unit. Note B - Cut/remove the factory installed "BK"...
  • Page 8 Installer’s Guide TWO STAGE HEAT PUMP TWO STEP HEAT PUMP VARIABLE SPEED AIR HANDLER VARIABLE SPEED AIR HANDLER BK DISABLED BK DISABLED Note A - The installer must jumper "R" to "O" at the LVTB. Note B - Cut/remove the factory installed "BK" jumper at the indoor unit. VARIABLE SPEED TWO STAGE AIR HANDLER &...
  • Page 9 Installer’s Guide ONE OR TWO STAGE OR TWO STEP COOLING VARIABLE SPEED INDOOR BK ENABLED Note B - Cut/remove the factory installed "BK" jumper at the indoor unit. Note B - Cut/remove the factory installed "BK" jumper at the indoor unit. NOTE: See Fig.
  • Page 10 Installer’s Guide TWO STAGE COOLING SINGLE STAGE COOLING SPLIT COIL VARIABLE SPEED AIR HANDLER VARIABLE SPEED INDOOR BK DISABLED BK DISABLED NOTE: Two additional wires are required for Outdoor Temperature Sensor. NOTE: See Fig. OIL-1 for external relay connections for oil furnaces. NOTE: Two additional wires are required for Outdoor Temperature Sensor.
  • Page 11 Installer’s Guide DUAL FUEL SINGLE STAGE HEAT PUMP DUAL FUEL ONE OR TWO STAGE OR TWO STEP HEAT PUMP NON-VARIABLE SPEED OIL FURNACE VARIABLE SPEED OIL FURNACE BK DISABLED BK ENABLED NOTE B:Cut/remove the factory installed "BK" jumper at the indoor unit NOTE: For Dual Fuel, cut the JP1 jumper on the Comfort Control NOTE C: For Dual Fuel, cut the JP1 jumper on the Comfort Control NOTE: Two additional wires are required for Outdoor Temperature Sensor.
  • Page 12 Installer’s Guide 2nd Stage Compressor Table 3 INSTALLER SETUP (ISU) 2 - 6 CPH *see notes at the bottom of setup (ISU) Table 3A Heating Cycles Per Hour 1. Set System MODE to OFF 2nd Stage Compressor Heating 1 - 15 Minutes 2.
  • Page 13 Installer’s Guide TABLE 3A USER SETUP (USU) Press and hold MODE and FAN at the same time. Menu Item Default Setting (Choices) Step (Press UP or DOWN arrow) (Press Mode or Fan) Temperature Display 0=Fahrenheit,1=Celsius Auto or Manual Changeover 0=Manual,1=Auto Setpoint Deadband 2 - 10 Degrees Fahrenheit 1.5 - 5.0 Degrees Celsius...

  • Page 14: Troubleshooting

    Installer’s Guide Table 4 Troubleshooting Symptom Possible Cause Action 1. Blown fuse or tripped circuit breaker. 1. Replace fuse or reset breaker. 2. Furnace power switch OFF. 2. Turn switch to ON. Display will not come on. 3. Furnace blower compartment door or panel 3.

  • Page 15: Features

    Installer’s Guide Features Cooling Efficiency Booster - (Single Stage Compressor BK Output Only) - BK Enabled With the BK Output enabled (the factory default) the The indoor air flow is reduced to 80% at outdoor Comfort Control sends a Pulse Width Modulated (PWM) temperatures below 87°F in cooling mode.
  • Page 16 Installer’s Guide Energy Savings $ Minimum Off Time Delay Override The Energy Savings mode provides energy savings by Minimum Off time delays can be overridden for the current offsetting the indoor setpoint to a cooler temperature cycle by pressing the Mode and Down arrow keys at the setting for heating and a warmer temperature setting for same time for approximately 2 seconds.
  • Page 17 Installer’s Guide Dual Fuel (Heat Pump with Fossil Fuel Auxiliary Heat) NOTE: No external dual fuel kit (e.g. TAYPLUS103A) is Optional Humidistat Accessory required for use with this Comfort Control. During the The optional humidistat connects to subbase terminals H1 transition from furnace operation to heat pump operation, and H2 and opens on a rise in humidity.
  • Page 18 Installer’s Guide Pub. No. 18-HD29D3-4...
  • Page 19 Installer’s Guide Pub. No. 18-HD29D3-4...
  • Page 20 Literature Order Number 18-HD29D3-4 File Number 18-HD29D3-4 Supersedes 18-HD29D3-3 Trane Date 05/08 6200 Troup Highway Tyler, TX 75707 Since the manufacturer has a policy of continuous product and product data improvement, it reserves the right For more information contact your local dealer (distributor)

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