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Pub No. 18-HD48D1-1A-EN

Part No. 37-7760003

September 2018

TCONT302 and 303 Installation and User Guide

Trane  

Touchscreen Thermostat

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.

Summary of Contents for TCONT302

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

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

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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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