Trane Deluxe Programmable XT302C Thermostat Operation Manual

The Trane Deluxe Programmable XT302C is a programmable heat-cool thermostat designed for residential multistage systems, offering customizable 7-Day, 24-Hour, or Constant Temperature programming. It features Adaptive Intelligent Recovery for precise comfort, Comfort-R enhancement for balanced temperature/humidity, backlit display, and options like vacation mode and filter reminders. Compatible with Trane heating/cooling systems, it supports auto changeover and fan control for energy efficiency. Below are the key specifications and operation instructions.

Key Specifications

• Type: Deluxe programmable heat-cool thermostat for multistage single-zone systems
• Compatibility:
  • Trane heating/cooling systems; conventional or heat pump (up to 2H/2C stages)
  • Auto changeover; fan On/Auto; optional outdoor sensor
• Power:
  • 24 VAC; requires common wire (C terminal)
• Temperature Range: Heat: 55°F-85°F (13°C-29°C); Cool: 65°F-99°F (18°C-37°C)
• Dimensions: Compact wall-mount design
• Features:
  • 7-Day/24-Hour/Constant programming with 4 periods/day (Wake/Leave/Return/Sleep)
  • Adaptive Intelligent Recovery; Comfort-R system; vacation mode (1-255 days)
  • Backlit display; filter timer (0-360 days); DST adjustment
  • Preprogrammed schedule: Wake 6AM H70/C78, Leave 8AM H62/C85, etc.
• Compliance: UL listed; 1-year warranty; professional installation required

Operation Instructions

Initial Setup

1. Power On: Display flashes 1:00 PM; press any key to stop.
2. Set Day/Time: Press Set Current Day/Time; use Day for day, Time arrows for time; Daylight Time for DST; Run Program to exit.
3. System/Fan: Press System (Heat/Cool/Auto/Off), Fan (Auto/On).

Home Screen Navigation

1. Display: Shows day/time, period, temperature, mode, fan, filter indicator.
2. Controls: Increase/Decrease for temp; Information cycles outdoor/setpoint/filter; backlit on key press.
3. Overrides: Press Hold Temp for temporary/permanent hold.

Scheduling and Presets

1. Access: Press Program; select mode (7-Day/24-Hour/Constant).
2. Periods: Set Wake/Leave/Return/Sleep times (15-min increments), heat/cool setpoints, fan.
3. Copy/Clear: Copy days in 7-Day; clear periods by holding key 3s.
4. Defaults: ENERGY-efficient preprogrammed schedule.

Settings Screen

1. Filter: Press Filter; hold 3s to reset/select days (0-360).
2. DST: Press Daylight Time to toggle.
3. Hold: Press Hold Temp twice for vacation (set days/end period/temp).

Advanced Features

1. Adaptive Recovery: Learns to start early for exact comfort (default).
2. Comfort-R: Balances temp/humidity.
3. Information: Outdoor temp, setpoints, filter status.
4. Vacation: Up to 255 days with minimal setpoint.

Troubleshooting

• Display Off: Check power at R-C; reset breaker.
  
• No Heat/Cool: Verify mode/setpoint; check wiring continuity.
  
• Short Cycling: Adjust min on/off times (Setup 12).
  
• Filter Flashing: Replace and reset timer.
  
• Temp Inaccurate: Check location; adjust cycle rates.

Installation Instructions

Warning: Trained technicians only; disconnect power before wiring.

Pre-Installation

• Mount 5 ft above floor, good circulation, avoid drafts/sun/heat sources.
• Verify 24 VAC and common wire; use 18-22 AWG.

Wiring Diagrams

For multistage heat-cool (conventional default):

Terminal	Connection
R	24V Power
W/W1	1st Stage Heat
W2	2nd Stage Heat
Y/Y1	1st Stage Cool
Y2	2nd Stage Cool
G	Fan
C	Common
O/B	Changeover (Heat Pump)

Note: For heat pump, set Setup 1=1; gas/electric fan via Setup 3.

Configuration Options

1. Enter Installer Setup: Press Time, then Increase/Decrease for values, Time to advance.
   
2. Set system (1: 0=Conv/1=HP), changeover (2: 0=Manual/1=Auto), fan (3: 0=Gas/1=Electric), stages (4: 0-3).
   
3. Cycle rates (5 Heat:1-9, 6 Cool:1-6), clock (8:0=12hr/1=24hr), temp scale (9:0=°F/1=°C).
   
4. Adaptive recovery (11:0=Conv/1=Adaptive), min off time (12:5/10/15 min).
   
5. Test: Increase+Decrease for self-test (10=Heat1, 20=Cool1, etc.).

Calculation Tool

Estimate monthly energy savings from programming setback (assumes 1% savings per °F, 30 days/month).