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Table of Contents
Related Manuals for Pro T721
Summary of Contents for Pro T721
- Page 1 Operation Manual Operation Manual...
- Page 2 T721 Pro1 Technologies P.O. Box 3377 Springfield, MO 65808-3377 Toll Free: 888-776-1427 Web: www.pro1iaq.com Hours of Operation: M-F 9AM - 6PM Eastern Table of Contents Page Caution Table of Contents Thermostat Operation Thermostat Quick Reference Equipment damage hazard. Thermostat Warranty Information...
- Page 3 Thermostat Operation Thermostat Operation LCD Display System Switch See page 4 for details about Selects the operation mode this display read out. on your HVAC system. Selecting HEAT turns on Glow in the dark light button the heat mode. Selecting COOL turns on the cool The glow in the dark light mode.
- Page 4 Thermostat Quick Reference Thermostat Quick Reference Battery Door Installation Displays the user Indicates the current selected setpoint temperature. room temperature Replace with 2 AA Alkaline System Operation Batteries. High Set At Indicators: quality Alkaline Room Temperature The COOL ON, batteries are HEAT ON, and recommended.
- Page 5 Thermostat Quick Reference Warranty Information Warranty Registration Caution: Your new thermostat has a 5 year limited warranty. You must register your thermostat within 60 days of installation. Without this When the battery icon appears replace your AA batteries immediately. Failure to do so may result in your registration the warranty period will begin on date of manufacture.
- Page 6 Cut Out For Warranty Registration www.pro1iaq.com...
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Questions and answers
how can I set shut off point
To set the shut-off point for the Pro T721 thermostat, use the Temperature Setpoint Buttons. Press the + or - buttons to select the desired room temperature at which the thermostat will turn off the heating or cooling system.
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How do I change my stage from 1 to 2 stage?
I cannot change the desired temperature by pressing the + or - button. Stays on 70 degrees
If you can't change the temperature on your Pro T721 thermostat using the + or - buttons, possible reasons include:
1. Low Battery: If the thermostat has displayed the low battery indicator for 42 days, it will automatically set the temperature to 55°F (Heating) or 85°F (Cooling). Any changes you make will hold for only 4 hours before reverting. After 63 days, the thermostat will shut off the unit entirely. Replace the AA batteries to restore normal operation.
2. Compressor Delay: If the "COOL ON" or "HEAT ON" indicators are flashing, the 5-minute compressor delay is active. Wait a few minutes for the system to respond.
3. System Mode: Ensure the thermostat is set to HEAT or COOL mode instead of OFF or EmH (Emergency Heat), which may affect temperature adjustments.
Check these conditions and take the necessary steps to regain control over the temperature settings.
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EmH on for temps below 32?
Yes, the Pro T721 thermostat has an EmH (Emergency Heat) setting for heat pumps with auxiliary heat. This setting locks out the compressor and controls emergency/auxiliary heat, which is typically used when outdoor temperatures drop below 32°F.
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My TRANE heat pump remains in stage 1 when the thermostat is set to heat (room temp 67) and on auto **** even when outside temperature is 10 degrees. Is this normal? Should it automatically turn on stage 2 activating the heating strips? Our power usage has doubled, and we are trying to figure out why.
The T721 thermostat indicates Stage 1 and Stage 2 heating when active. If the thermostat is set to 67°F and the outside temperature is 10°F, the system should switch to Stage 2 to activate the heating strips if the heat pump alone cannot maintain the set temperature. If it remains in Stage 1, there may be an issue with the thermostat settings or system operation.
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LOW flashing in display
A low flashing display on the Pro T721 thermostat indicates that the batteries are low and need to be replaced immediately. Failure to replace the batteries may cause the heating and cooling system to become inoperable, leading to potential freezing or overheating.
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LOW flashing on display
A low flashing display on the Pro T721 thermostat indicates that the batteries are low and need to be replaced immediately to prevent the heating and cooling system from becoming inoperable.
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T701 display flashing LOW
When the Pro T721 display is flashing "LOW," it indicates that the thermostat's batteries are low and need to be replaced immediately. Failure to replace the batteries may cause the heating and cooling system to become inoperable, leading to potential freezing or overheating.
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My air conditioner does not respond at night, only during the day. This is not a programmable thermostat so not sure what is happening.
The Pro T721 air conditioner may not respond at night if the thermostat's batteries are low. If the low battery indicator appears and the batteries are not replaced within 63 days, the thermostat will shut the unit off, causing the system to become inoperable. Additionally, if the thermostat is set to "AUTO" for the fan, it will only run when the heating or cooling system is activated, which may not happen at night if the temperature does not require it.
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i have a pro1 T721 thermostat,does it go to aux.heat on its own or do you have to put it on manually?
The Pro1 T721 thermostat allows manual selection of EmH (emergency heat) mode, which locks out the compressor and controls auxiliary heat. Therefore, switching to auxiliary heat must be done manually.
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