American Standard Thermostat ONE T064.730 Manual

The American Standard Thermostat ONE T064.730 is a programmable digital thermostat designed for residential HVAC systems, offering precise temperature control, energy-saving programming, and compatibility with single-stage heating and cooling systems. It features a backlit digital display, intuitive menu navigation, programmable schedules (7-day), system mode selection (Heat/Cool/Auto/Off), fan control (Auto/On), and temperature hold functions. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

1. Features at a Glance 2. Installation 3. First-Time Setup 4. Specifications 5. Controls and Settings 6. Connecting to HVAC System 7. Programming Schedule 8. Energy-Saving Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Digital display with backlight, Control buttons (Menu, Up/Down, Hold, Fan, System), Terminal block for wiring, Battery compartment (optional backup), Wall plate.

Feature	Description
Digital Display	Backlit LCD showing temperature, time, and system status
Programmable Schedule	7-day programming with up to 4 periods per day
System Modes	Heat, Cool, Auto, Off
Fan Control	Auto (runs with HVAC) or On (continuous)
Temperature Hold	Temporary or permanent override of programmed schedule
Filter Change Reminder	User-settable reminder based on runtime
Battery Backup	Optional AA batteries retain settings during power loss
Keypad Lock	Prevents unauthorized changes
Temperature Display	Shows current room and setpoint temperatures
Installation Menu	For configuring system type and other settings

Installation

Unpack and inspect contents. Ensure power to HVAC system is OFF at circuit breaker.

Remove old thermostat: Turn off HVAC power, remove cover, label wires, disconnect from terminals.
Mount new wall plate: Level and secure to wall using provided screws.
Connect wires: Match labeled wires to corresponding terminals (R, W, Y, G, C, etc.).
Attach thermostat: Align and snap onto wall plate.
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 and power restoration, follow initial setup prompts on display.

Set time and day: Use MENU and Up/Down buttons to set current time and day of week.
Configure system type: In INSTALL menu, select correct system (Conventional Heat/Cool, Heat Pump, etc.).
Set temperature limits: Configure minimum and maximum setpoint limits if desired.
Program schedule: Follow prompts to set up daily temperature programs for heating and cooling.

CAUTION! Incorrect system type configuration may cause improper HVAC operation. Refer to HVAC system manual if needed.

Specifications

Power Source: 24VAC from HVAC system; optional battery backup (2 AA).
Compatibility: Single-stage heating and cooling systems (gas, oil, electric, heat pump).
Temperature Range: 40°F to 99°F (4°C to 37°C).
Temperature Resolution: 1°F or 1°C.
Display: Backlit LCD.
Programming: 7-day, 4 periods per day.
Terminals: R, Rc, Rh, W, Y, G, O/B, C, etc.
Operating Temp: 32°F to 122°F (0°C to 50°C).
Relative Humidity: 0% to 90% non-condensing.

Controls and Settings

Access menus via MENU button. Front buttons: Up/Down arrows, Hold, Fan, System, Menu.

Display Icons: Heat/Cool mode indicator, Fan status, Hold, Battery, Filter reminder.

System Menu: Mode selection (Heat/Cool/Auto/Off). Fan Menu: Auto or On. Program Menu: View/edit schedule by day. Installer Menu: System type, temperature limits, display options (F/C), filter reminder interval. Hold Function: Temporary (until next programmed period) or Permanent override.

Connecting to HVAC System

Terminal designations: R/Rc/Rh (24V power), W/W1 (Heat), Y/Y1 (Cool), G (Fan), C (Common), O/B (Heat Pump reversing valve).

Turn off HVAC system power at circuit breaker.
Identify wires from old thermostat and label them.
Connect each labeled wire to the matching terminal on the T064.730.
For heat pump systems, ensure O/B setting matches your equipment (O for cool on, B for heat on).

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

Programming Schedule

Create energy-saving temperature schedules for weekdays and weekends.

Press MENU, navigate to PROGRAM.
Select day or group (Weekday, Weekend, Saturday, Sunday).
For each period (Wake, Leave, Return, Sleep), set time and desired temperature using Up/Down arrows.
Press MENU to save and move to next period or day.
To copy a schedule: Use COPY function to apply one day's schedule to others.
To temporarily override: Press HOLD, select Temp or Perm Hold.
To resume schedule: Press HOLD, select Run Schedule.

WARNING! Extreme temperature setbacks in very cold or hot weather may cause system strain or discomfort. Use moderate setbacks.

Energy-Saving Features

Programmable Schedule: Reduces energy use when home is unoccupied or occupants are asleep. Adaptive Recovery: Learns how long your system takes to reach temperature and starts early to meet schedule time. Filter Change Reminder: Prompts for filter changes to maintain system efficiency.

Care & Cleaning

Turn off power before cleaning. Use a soft, dry cloth to wipe display and casing. Do not use liquids or abrasive cleaners.

CAUTION! Do not spray cleaners directly on thermostat. Moisture can damage electronics.

Regulatory Information

FCC Part 15: Class B digital device; complies with interference limits for residential use. Copyright © American Standard Heating & Air Conditioning. For support, visit www.americanstandardair.com or contact customer service at 1-800-228-2962.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Blank display	No power	Check circuit breaker; ensure wires are secure at R and C terminals; install batteries.
System not turning on	Incorrect mode, setpoint, or wiring	Verify System is in Heat or Cool mode; ensure setpoint is above/below room temp; check wiring.
Incorrect temperature reading	Location or calibration	Ensure thermostat is not in direct sunlight or near heat sources; check temperature calibration in Installer Menu.
Schedule not following program	Hold active	Check if Hold is on; press HOLD and select Run Schedule.
Short cycling	Temperature differential too small	In Installer Menu, increase temperature differential (swing) setting.

Reset: Menu > Installer Menu > Reset to Factory Defaults.

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