Trane SENS-IN-1D18-HD60D29-4 Thermostat Operation Manual

The Trane SENS-IN-1D18-HD60D29-4 is a programmable zone sensor designed for constant volume (CV) units and heat pump (HP) units in packaged systems. It enables 7-day programming with 2, 3, or 4 periods per day for occupied/unoccupied modes, supporting features like morning warm-up, pre-cool, and temporary overrides. Compatible with Trane packaged rooftop and self-contained units, it communicates via the Network Sensor Bus (NSB) for efficient zone control. Below are the key specifications and operation instructions.

Key Specifications

• Type: Programmable zone sensor for constant volume (CV) and heat pump (HP) units
• Compatibility:
  • 2-25 ton packaged heat/cool units (BAYSENS019B)
  • 2-20 ton packaged heat pump units (ASYSTAT666B)
  • 27.5-50 ton packaged heat/cool units; 20-130 ton rooftop units; 20-80 ton self-contained units
  • Communicates with Unit Control Module (UCM) via Network Sensor Bus (NSB)
• Power Source:
  • 24 VAC at terminals 11/14
  • 22-42 VDC for communications at terminals 11/12
• Temperature Range: Heat/cool setpoints; morning warm-up activates if 2°F below setpoint
• Dimensions: Compact wall-mount design; mounts on interior wall or 2x4 handy box
• Features:
  • 7-day programming with 2/3/4 periods per day (Occupied/Unoccupied)
  • Morning warm-up, morning pre-cool, economy mode
  • Temporary overrides for temperature, mode, zone status, fan
  • Status indicators (HEAT, COOL, SYSTEM ON, SERVICE icons)
  • Retains program during power interruptions
• Compliance: For experienced HVAC technicians; follow safety codes

Operation Instructions

Initial Setup

1. Power On: Apply power; verify wiring before startup.
2. Set Time: Press "+" or "-" side of TIME key to adjust in one-minute intervals; day auto-advances.
3. Programming Menu: Select mode (Occupied/Unoccupied) with MODE key; set periods, setpoints, and options.
4. Option Menu: Configure morning warm-up, pre-cool, economy mode.

Home Screen Navigation

1. Normal Run State: Displays time, zone temperature, heat/cool setpoints, day, status icons (HEAT, COOL, SYSTEM ON, SERVICE).
2. Controls: MODE key for system mode; FAN key for ON/AUTO; UP/DOWN arrows for temporary adjustments.
3. Indicators: Flashing colon for system ON; override screen for temporary changes.

Scheduling and Presets

1. Access Programming Menu: Select Occupied/Unoccupied with MODE key; program up to 4 periods (Morn, Day, Eve, Nite) with start times, heat/cool setpoints, status.
2. Preset Periods: Weekly schedule for each day; ERASE key to clear entries.
3. Morning Warm-Up: Automatically heats if 2°F below setpoint during unoccupied-to-occupied transition (Option 0: Disabled/1: Enabled).
4. Morning Pre-Cool: Similar for cooling (Option 1: Disabled/1: Enabled).

Settings Screen

1. Option Menu: Access to set morning warm-up (0/1), pre-cool (0/1), economy mode (0/1).
2. Temporary Override: Change temperature, mode, zone status (Occupied/Unoccupied), fan (ON/AUTO) for a period.
3. Zone Status Toggle: Hold UP and DOWN for 2 seconds.
4. Exit: Press MODE or timeout.

Advanced Features

1. UCM Status Inputs: Receives signals (HEAT, COOL, SYSTEM ON, SERVICE) via terminals 7-10; SERVICE icon for alerts (ON: service needed; flashing: fan failure).
2. Economy Mode: Reduces energy use (Option 2: Disabled/1: Enabled).
3. Test Mode: Flashing TEST icon during testing.
4. Supply Air Sensor: Optional monitoring.

Troubleshooting

• Display Not On: Check 24 VAC at terminals 11/14; verify terminal block; check 22-42 VDC at 11/12.
  
• No UCM Communication: Verify 22-42 VDC at terminals 11/12; check wiring.
  
• Unit Not Responding: Confirm UCM connections to terminals 7-10; test mode.
  
• Service Icon: ON: Unit requires service; flashing: Fan failure—contact technician.

Installation Instructions

Warning: Experienced HVAC technicians only. Disconnect power before wiring. Comply with national/state/local codes.

Pre-Installation

• Mount on interior wall near return air grille, ~5 ft above floor for free air circulation.
• Prepare 4 wires (HEAT, COOL, SYSTEM ON, SERVICE) from UCM; optional auxiliary relay wires.
• Wire sizes: Max lengths per gauge (e.g., 18 AWG: 1000 ft).

Wiring Diagrams

Connect to UCM and power:

Terminal	Connection
7	HEAT (to UCM)
8	COOL (to UCM)
9	SYSTEM ON (to UCM)
10	SERVICE (to UCM)
11/14	24 VAC Power
11/12	Communications (22-42 VDC)

Note: Optional UCM status inputs (4 wires); mount sub-base with screws, hook sensor tabs.

Configuration Options

1. Mount sub-base; wire connections.
   
2. Power up; set time with TIME key.
   
3. Programming Menu: Set periods, setpoints, status.
   
4. Option Menu: Morning warm-up (0/1), pre-cool (0/1), economy (0/1).

Calculation Tool

Estimate monthly energy savings from scheduling setback (assumes 0.3 kWh per °F per hour; 2°F morning warm-up threshold factored).