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Trane XR302 and XR303  Touchscreen Thermostat

Part No. 37-7760003

   09-2018   18-HD48D1-1A-EN 3

SPECIFICATION DESCRIPTION

Product Models

TCONT302  / TCONT303

Products

XR 302 / XR 303

Size

4-9/16”  x 5-13/16” x 1-3/16” (HxWxD)

Configurations

Heat Pump, Heat/Cool, Dual Fuel, Heat Only, Cooling Only

Maximum Number of Stages

4 Stages Heat, 2 Stages Cooling

Operating Temperature

32°F to 105°F (0 to +41°C) / 90% RH Non Condensing

Shipping Temperature Range

-40 to 150°F (-90 to +65°C)

Input Power (DC)

Two 1.5V AA Alkaline

Input Power (AC)

20-30 VACm NEC Class 11m 50/60 HZ

Terminal Load

1.5A per Terminal, 2.5A Maximum, all Terminals Combined

Wire Usage

18 AWG

System Modes

Auto, Heating, Cooling, Off, Emergency Heat

Fan Modes

Auto, On, Program

Setpoint Temperature Range

45°F to 99°F, (7 to 37°C)

Humidification Setpoint Range

5 to 50% (303 only)

Dehumidification Setpoint Range

40 TO 95% (303 only)

Indoor Temperature Display Range

32°F to 99°F

Outdoor Temperature Display Range

-40°F to 140°F

Indoor Humidity Display Range

0°F to 100°F

RATED DIFFERENTIALS

Fast

Slow

Heat (Single Stage/Multi-Stage)

0.6°F

1.5F

Cool (Single Stage/Multi-Stage)

1.2°F

1.7°F

Heat Pump

1.2°F

1.7°F

Emer Heat

0.6°F

1.7°F

THERMOSTAT APPLICATION GUIDE

Thermostat Configuration Options

Thermostat Applications

Maximum Stages Heat/Cool

Single Stage 1 No Heat Pump (SS1)

Gas, Oil, Electric, Heat Only, Cool Only or Heat/

Cool Systems, 2 or 3 wire Hydronic Zone (Hot 

Water or Steam) Systems, 24 Volt or Millivolt

1+1

Multi Stage 2 No Heat Pump (MS2)

2+2

Heat Pump 1

Single Stage Compressor Heat Pump (HP1)

Single Stage Compressor Heat Pump Systems - 

up to 2 Stages Aux./Emergency Heat

3+1

Heat Pump 2

Two Stage or Two Compressor Heat Pump (HP2)

Two Stage or Two Compressor Heat Pump 

systems - up to 2 Stages Aux./Emergency Heat

4+2

*On every application, 24VAC loads should be reviewed to be sure the indoor unit control power transformer is adequately sized. 

2.  Product Specifications

3.  General Information

3.1  Overview

The 302 and 303 are programmable thermostats with 5” diagnoal, 
blue backlit, touchscreen displays. The 303 features a built-
in humidity sensor that may be used to control a whole house 
humidifier (HM) and cooling dehumidification (DHM).

3.2  Contents

— 1-Thermostat
— 1-Sub-base
—  2-Phillips slotted head mounting screws
—  2-Nylon Drywall Anchors
—  1-Installation Guide / User Guide

3.3  Accessories

—  Wired Remote Indoor Sensor ZZSENSAL0300AAA
—  Wired Remote Outdoor Sensor BAYSEN30ATEMPAA
—  Wall Cover Plate BAYCOVR300AA

Содержание TCONT302

Страница 1: ...s 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 ins...

Страница 2: ...lighting ballasts and large distribution panels Failure to follow these wiring practices may introduce electrical interference noise which can cause erratic system operation All unused thermostat wir...

Страница 3: ...Pump 1 2 F 1 7 F Emer Heat 0 6 F 1 7 F THERMOSTAT APPLICATION GUIDE Thermostat Configuration Options Thermostat Applications Maximum Stages Heat Cool Single Stage 1 No Heat Pump SS1 Gas Oil Electric...

Страница 4: ...he thermostat will cause damage to the unit 4 Place base over hole in wall and mark mounting hole locations on wall using base as template See Fig 1 5 Move base out of the way Drill mounting holes If...

Страница 5: ...or Call for cool No Output Cool mode 1st stage Blower Circulator fan energized on a call for cool or Fan On also energized in heating if configured for Electric Heat Installer Configuration Menu selec...

Страница 6: ...Installation and User Guide 6 Part No 37 7760003 09 2018 18 HD48D1 1A EN 5 Wiring Diagrams...

Страница 7: ...Part No 37 7760003 09 2018 18 HD48D1 1A EN 7 Trane XR302 and XR303 Touchscreen Thermostat...

Страница 8: ...remote indoor or outdoor wired sensor FOOTNOTES 1 A TCONT302 does not include humidifier HM and dehumidifier DHM terminals AC Cooling with GAF2 S Thermostat Thermostat Indoor Caution Do not run Outdoo...

Страница 9: ...dehumidifier DHM terminals 2 Wire third party condensate overflow switches between Y of the thermostat and Y1 of the airflow control board 3 X2 is required for aux heat signal during defrost 4 Factor...

Страница 10: ...Installation and User Guide 10 Part No 37 7760003 09 2018 18 HD48D1 1A EN...

Страница 11: ...at during defrost 4 Factory installed jumper Heat Pump with GAF2 S Thermostat Indoor Unit Outdoor Unit Caution Do not run Outdoor Remote sensor wires in the same bundle with HVAC wires Also keep away...

Страница 12: ...ge Unit with Variable Speed Blower Thermostat Thermostat Package Unit BK X2 Y1 G R B W1 O B L Y2 Y G Rc Rh C S HM W2 W E 6 DHM Optional remote indoor or outdoor wired sensor FOOTNOTES 1 A TCONT302 doe...

Страница 13: ...to replace UV lamp 6 COPY key or INSTALLER CONFIG key 7 CLEAN DISPLAY key allows 30 seconds to wipe off the display or ADVANCE DAY key for programming 8 Used in programming to set time and in configu...

Страница 14: ...r HP2 is selected above 4 Days 7 P 5 or 0 Programs per week 7 days 5 1 1 days or non programmable 5 4 PS 2 Programs per day 4 Morning Day Evening Night 2 Day Night Not available if 4 is 0 6 Cool Off H...

Страница 15: ...MODEL FOR THE CORRECT SCREEN REFERNCE NUMBER N A 38 80 bP 79 20 Selects Blower balance point Selection of 80 disables this feature This item appears if HP1 or HP2 is selected and outdoor sensor is ins...

Страница 16: ...five minutes 13 Select Continuous Display Lighting dL In low lighting conditions display backlight improves the display contrast 14 Select Temperature Display Adjustment 5 LO to 5 HI This allows you...

Страница 17: ...itional heat stages to come on quickly when is used to raise the temperature a few degrees above the room Select this setting if you want the heat to increase quickly when you manually raise the tempe...

Страница 18: ...er is controlled by the thermostat It is recommended for use on flow through humidifiers only The display indicates CH Cycle Humidifier with the default indicating OFF Pressing the or keys will toggle...

Страница 19: ...lect EM EM Heat Mode will flash on the display 8 Press to adjust thermostat setting above room temperature The Emergency heating system will begin to operate The display will show System On flashing E...

Страница 20: ...nstaller menu Then press Set Time once to indicate hour AM or PM designation in clock display 2 Press and hold either the or touch key until you reach the correct hour and AM or PM designation 3 Press...

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