Pro1 Technologies T625-2 Programmable Thermostat Operational Manual

Pro1 Technologies T625-2 Programmable Thermostat 

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

Caution: Equipment damage hazard. Do not operate the cooling system if the outdoor temperature is below 50 ˚F (10 ˚C) to prevent possible compressor damage.

Thermostat Operation

1. LCD Display
2. Temperature Setpoint Buttons
3. Fan Switch
4. System Switch
5. Easy change battery door
6. User Buttons

LCD Display
See page 4 for details about this display read out.

Temperature Setpoint Buttons
Press the + or – buttons to select the desired room temperature.

Fan Switch
Select ON or AUTO. ON will run the fan continuously. AUTO will cycle the fan on only when the heating or cooling system is on.

System Switch
Selects the operation mode on your HVAC system. Selecting HEAT turns on the heat mode. Selecting COOL turns on the cool mode. Selecting OFF turns both heating and cooling off. Selecting EmH (for heat pumps with auxiliary heat) will lockout the compressor and control emergency/auxiliary heat.

Easy Change Battery Door

User Buttons
Use these buttons to set up your programming options. Refer to the next page for detail.

Caution: When the battery icon appears replace your AA batteries immediately. Failure to do so may result in your heating & cooling system becoming inoperable. Freezing or over heating can occur.

Thermostat Quick Reference

1. Indicates the current room temperature
2. Time and day of the week
3. Low Battery Indicator: Replace batteries when this indicator is shown.
4. Program Time Periods: This thermostat has 4 programmable time periods per day.
5. System Operation Indicators:
   The COOL ON, HEAT ON will display when COOL or HEAT is on.
   Note: The Compressor delay feature is active if these are flashing.
6. Hold is displayed when the thermostat program is permanently overridden.
7. Setpoint: Displays the user selectable setpoint temperature.
8. Stages: Indicates the stages of heat that are active.

Important: The low battery icon is displayed when the AA battery power is low. Whenever the thermostat detects low battery voltage from the AA batteries, the low battery icon will begin flashing on the screen for 21 days (if the batteries are not changed). If the batteries are not changed 22 days after the thermostat detects low battery voltage, the thermostat screen will only show the flashing battery icon until buttons are pressed. If the batteries are not changed 43 days after the thermostat detects low battery voltage, the thermostat screen will only show the flashing battery icon until buttons are pressed and the set points will offset to 85°F/29°C in cooling and 55°F/13°C in heating. At this stage, set point changes can be made temporarily but, the set points will change back to defaulted values after a 4-hour period. The thermostat will continue to perform this low battery flashing, temperature offset condition until the internal voltage threshold is reached. When the thermostat internal voltage threshold is reached, all relays will be opened and the thermostat will become inoperable until new batteries are installed.

Battery Door Information

Temporary and Permanent Hold Feature 

(If using programming)

Temporary Hold:
If you press the at this time until the next scheduling period starts. The temperature will remain at this setpoint temporarily until next time period.

Permanent Hold:
If you press the HOLD button on the left of your screen, you will see HOLD appear to the right of the ambient temperature in the display. The thermostat will now permanently stay at this setpoint and can be adjusted using the keys.

To Return to Running Schedule:
Press the RUN button on the left of your screen to exit either temporary or permanent hold.

Understanding Your Thermostats Staging: 
This thermostat controls 2 stages of heating. For reasons of energy efficiency the thermostat will try to maintain your comfort setting using only 1 stage. If the 2nd stage is necessary it will be used and you will see Stage 2 in the display.

Programming The Thermostat

Set Time

1. Press TIME
2. Day of the week will be flashing. Use the key to select the current day of the week.
3. Press PROGRAM
4. The current hour is flashing. Use thekey to select the current hour. Make sure the correct a.m. or p.m. choice is selected.
5. Press PROGRAM
6. Minutes are now flashing. Use thekey to select current minutes.
7. Press the TIME button in order to go back a step.
8. Press HOLD/RUN when completed.

Set Program Schedule 5+1+1 or 7 Day

To customize your program schedule, follow these steps

Weekday:

1. Select HEAT or COOL with the system switch. Note: You have to program heat and cool each seperately.
2. Press PROGRAM
3. Monday-Friday is displayed and WAKE is shown. You are now programming the wake time period for the weekday setting.
4. Time is flashing. Use the key to make your time selection for the weekday WAKE time period.
5. Press PROGRAM
6. The setpoint temperature is flashing. Use the key to make your setpoint selection for the weekday wake period.
7. Press PROGRAM
8. Repeat steps 4 thru 7 for weekday LEAVE time period, for weekday RETURN time period, and for weekday SLEEP time period.

Saturday:
Repeat steps 4 thru 7 for the Saturday WAKE time period, LEAVE time period, RETURN time period, and for the Saturday SLEEP time period.

Sunday:
Repeat steps 4 thru 7 for the Sunday WAKE time period, LEAVE time period, RETURN time period, and for the Sunday SLEEP time period.

Note: If using 7-Day Programming use previous steps for every individual day.

Warranty Information

Warranty Registration
Your new thermostat has a 2 year limited warranty. You must register your thermostat within 60 days of installation. Without this registration the warranty period will begin on date of manufacture. For warranty issues please contact the HVAC professional that installed this product. You can register your new thermostat in 2 ways:

Online 
Go to the company website, select warranty registration and fill out a short registration form.

Mail 
Complete the form below and mail it to the address shown.

Warranty Registration

• Name:
• Address:
• City:
• State:
• Zip:
• Thermostat Model:
• Date Installed:
• Complete the form and mail it to:

Thermostat Warranty Registration
Pro1iaq
P.O. Box 3377
Springfield, MO 65808-3377
www.pro1iaq.com

Reference

Download Manual:

Pro1 Technologies T625-2 Programmable Thermostat Operational Manual

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