American Standard Thermostat Moments T506.730 Manual

The American Standard Thermostat Moments T506.730 is a programmable digital thermostat designed for precise temperature control in residential and light commercial HVAC systems. It features a user-friendly interface, 7-day programming flexibility, large backlit display, system status indicators, and compatibility with most single-stage heating and cooling systems. Below are key sections for safety, features, installation, programming, operation, and troubleshooting.

1. Features at a Glance 2. Installation 3. First-Time Setup 4. Specifications 5. Controls and Settings 6. Wiring Configuration 7. Programming Schedule 8. System Operation Modes 9. Care & Maintenance 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Large backlit LCD display, Program buttons, System switch, Fan switch, Up/Down temperature buttons, Hold button.

Feature	Description
7-Day Programmable	Separate schedules for weekdays and weekends
Large Backlit Display	Easy-to-read temperature and settings
System Status Indicators	Heating, Cooling, Fan On icons
Hold Function	Temporarily override programmed schedule
Filter Change Reminder	Programmable alert for maintenance
Battery Backup	Maintains settings during power outages
Temperature Range	40°F to 99°F (4°C to 37°C)
Compatibility	Single-stage heat/cool systems
Keypad Lock	Prevents unauthorized changes
Low Battery Indicator	Alerts when batteries need replacement

Installation

Turn off power to HVAC system at circuit breaker before installation.

Remove old thermostat: Label wires before disconnecting.
Mount new baseplate: Level and secure to wall.
Connect wires: Match labeled terminals (R, W, Y, G, C, etc.).
Attach thermostat: Snap onto baseplate.
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.

Set time and day: Press SET CLOCK button, use arrows to adjust.
Select temperature format: °F or °C in system settings.
Configure system type: Heat Only, Cool Only, or Heat/Cool.
Set program schedule: Follow programming guide for 4 periods per day.
Install batteries: Insert 2 AA alkaline batteries for backup.

CAUTION! Ensure proper wire connections to prevent system damage.

Specifications

Power Requirements: 24VAC from HVAC system; 2 AA battery backup.
Temperature Control: ±1°F accuracy.
Programming: 7-day, 4 periods per day.
Display: Backlit LCD with large digits.
Terminals: R, Rc, Rh, W, Y, G, C, O/B.
Compatibility: Single-stage conventional and heat pump systems.
Operating Temp: 32°F to 122°F (0°C to 50°C).
Dimensions: 5.5" x 3.5" x 1".

Controls and Settings

Front Panel: SET CLOCK, SET SCHEDULE, HOLD, FAN (Auto/On), SYSTEM (Off/Heat/Cool/Auto), Up/Down arrows.

Menu Navigation: Press SET CLOCK to access time/day settings. Press SET SCHEDULE for programming. SYSTEM switch selects operating mode.

Temperature Settings: Use arrows to adjust setpoint. Press HOLD to maintain current temperature indefinitely (press again to resume schedule). Fan Control: AUTO runs with HVAC cycle; ON runs continuously. Keypad Lock: Press and hold SET CLOCK and SET SCHEDULE for 3 seconds to lock/unlock.

Wiring Configuration

Standard terminal designations: R (24V power), W (Heat), Y (Cool), G (Fan), C (Common), O/B (Heat pump reversing valve).

Turn off HVAC system power.
Match wires from wall to thermostat terminals.
Insert stripped wire into corresponding terminal slot.
Secure by tightening terminal screws.
Verify no loose strands or shorts.

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

Programming Schedule

Create custom temperature schedules for different times of day.

Press SET SCHEDULE button.
Select day or day group (Weekday, Weekend, Individual days).
Set Wake time and temperature (Period 1).
Set Leave time and temperature (Period 2).
Set Return time and temperature (Period 3).
Set Sleep time and temperature (Period 4).
Press DONE to save.
Repeat for other day groups as needed.

Note: Default schedule provides energy-saving settings. Adjust to personal preference.

System Operation Modes

SYSTEM switch positions: OFF (system disabled), HEAT (heating only), COOL (cooling only), AUTO (automatic heat/cool based on setpoint).

Fan modes: AUTO (runs with heating/cooling cycles), ON (continuous operation).

Hold Function: Overrides schedule temporarily. Press HOLD, adjust temperature if needed. Press HOLD again to resume schedule.

Filter Change Reminder: Program interval (30-365 days) in settings. Reset when filter is changed.

Care & Maintenance

Clean with soft, dry cloth only. Do not use liquids or cleaners.

Replace batteries annually or when low battery indicator appears.

CAUTION! Never spray cleaning agents directly on thermostat. Keep away from moisture and direct sunlight.

Regulatory Information

FCC Part 15: Class B digital device compliant. UL Listed. Meets energy efficiency standards. Copyright © American Standard Heating & Air Conditioning. For support, visit www.americanstandardair.com or contact 1-800-228-2962.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Blank display	Power loss or dead batteries	Check circuit breaker; replace batteries.
System not responding	Incorrect wiring or settings	Verify wiring connections; check SYSTEM switch position.
Temperature inaccurate	Location or calibration	Relocate away from heat sources; check calibration in settings.
Short cycling	Settings or equipment issue	Adjust temperature differential; consult HVAC technician.
Fan runs continuously	Fan switch in ON position	Set fan to AUTO mode.

Reset: Remove batteries and disconnect from HVAC power for 5 minutes to reset.

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