American Standard Thermostat ONE T064730 Manual

The American Standard Thermostat ONE T064730 is a programmable thermostat designed for precise temperature control of HVAC systems. It features a user-friendly interface, 7-day programming, energy-saving modes, compatibility with most 24V heating and cooling systems, and easy installation. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

Features at a Glance

Key components: Digital display, Control buttons, Backplate with terminal connections, Battery compartment, Mounting screws.

Installation

Turn off power to HVAC system before installation. Remove old thermostat and prepare wiring.

1. Turn off power: Switch off circuit breaker for HVAC system.
2. Remove old thermostat: Label wires according to terminal letters before disconnecting.
3. Mount backplate: Secure to wall using provided screws and level.
4. Connect wires: Insert labeled wires into corresponding terminals on backplate.
5. Attach thermostat: Align and snap onto backplate.
6. Install batteries: Insert AA batteries for backup power.
7. Restore power: Turn circuit breaker back on.

WARNING! Electrical shock hazard. Always turn off power before installation. If unsure, consult a qualified HVAC technician.

First-Time Setup

After installation, configure basic settings for proper operation.

1. Set time and day: Press MENU, navigate to TIME/DAY settings.
2. Configure system type: Select heating/cooling system type (Heat Pump, Conventional, etc.).
3. Set temperature limits: Establish minimum and maximum temperature boundaries.
4. Calibrate temperature: Adjust if display differs from actual room temperature.
5. Enable filter reminder: Set interval for filter change alerts (30-90 days).

CAUTION! Ensure correct system type is selected to prevent equipment damage.

Specifications

• Power Requirements: 24VAC from HVAC system; 2 AA batteries for backup.
• Temperature Range: 40°F to 99°F (4°C to 37°C).
• Accuracy: ±1°F (±0.5°C).
• Display: Backlit LCD with adjustable contrast.
• Programming Capacity: 4 periods per day, 7 different daily schedules.
• Compatibility: Single-stage heating and cooling systems (gas, electric, heat pump).
• Terminals: R, Rh, Rc, W, Y, G, O/B, C, Aux/E.
• Operating Environment: 32°F to 122°F (0°C to 50°C); 0-90% humidity non-condensing.
• Dimensions: 3.5" x 4.5" x 1" (89mm x 114mm x 25mm).

Controls and Settings

Front panel includes: MENU, UP/DOWN arrows, SELECT, HOLD, FAN, SYSTEM, BACKLIGHT.

Menu Navigation: Press MENU to access: Schedule, System Settings, Temperature Limits, Calibration, Filter Reminder, Keypad Lock, Reset.

Temperature Adjustment: Use UP/DOWN arrows to set desired temperature. System Mode: Press SYSTEM to cycle through OFF, HEAT, COOL, AUTO. Fan Control: Press FAN for AUTO or ON continuous operation. Hold Function: Press HOLD to temporarily override programmed schedule. Backlight: Adjust display brightness or set auto-off timer.

Connecting to HVAC System

Proper wiring is essential for correct operation. Refer to wiring diagram included with manual.

1. Identify wires: Common terminals: R (24V power), W (Heat), Y (Cooling), G (Fan), C (Common).
2. Heat pump systems: Additional O/B terminal for reversing valve.
3. Auxiliary heat: Use Aux/E terminal for emergency or auxiliary heat.
4. Check connections: Ensure wires are securely inserted and making contact.
5. Test operation: After power restoration, test heating and cooling functions.

Tip: Take photo of old thermostat wiring before disconnecting for reference.

Programming Schedule

Create energy-efficient schedule with up to 4 temperature periods per day.

1. Access schedule: Press MENU, select SCHEDULE.
2. Select day: Choose day of week or copy schedule to other days.
3. Set periods: Program WAKE, LEAVE, RETURN, SLEEP times and temperatures.
4. Different schedules: Set unique schedules for weekdays and weekends.
5. Review schedule: Navigate through days to verify settings.
6. Activate schedule: Ensure thermostat is in RUN mode (not HOLD).
7. Temporary override: Use HOLD for temporary temperature changes.
8. Vacation mode: Set extended away periods with energy-saving temperatures.

WARNING! Avoid setting extreme temperature differentials that may cause system short-cycling.

Energy Saving Features

Adaptive Recovery: Learns how long system takes to reach temperature and starts in advance. Temperature Swing: Adjustable differential reduces system cycling. Energy Usage Display: Shows estimated consumption to encourage savings. Vacation Mode: Maintains energy-saving temperatures during extended absences.

Care & Maintenance

Clean display with soft, dry cloth. Do not use liquids or cleaners. Replace batteries annually or when low battery icon appears. Check wire connections annually for corrosion or looseness.

CAUTION! Do not spray cleaning fluids directly on thermostat. Turn off power before checking connections.

Regulatory Information

FCC Part 15: Class B digital device; complies with interference limits for residential use. UL Listed: Meets safety standards. Copyright © American Standard Heating & Air Conditioning. For support, visit www.americanstandard.com or contact 1-800-228-2962. Disposal: Dispose of according to local electronic waste regulations.

Troubleshooting

Reset: Menu > System > Reset to factory defaults if needed.

Service: 1-800-228-2962; www.americanstandard.com