Pro1 Technologies T855S Non-Programmable Thermostat Operational Manual

Pro1 Technologies T855S Non-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

• LCD Display
  • See page 6 for details about this display read out.
• Glow in the dark light button
  • The glow in the dark light button will self illuminate for several hours after exposure to ambient light. This button turns on the display light when pressed.
• Fan Button
  • Select ON, AUTO or IAQ. The ON setting will run the fan continuously. The AUTO setting will cycle the fan on only when the heating or cooling system is on. IAQ will enable IAQ FAN MODE, if programmed.
• System Button
  • 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 AUTO will turn the HEAT or COOL on as needed. (EM HEAT will appear as an option if operating a heat pump. EM HEAT setting will turn on emergency heat)
• Temperature Setpoint Buttons
  • Press the buttons to select the desired room temperature.
• Button and Battery Door
  • See page 4 for further information.

Thermostat Quick Reference

Battery Door Information

Important: The low battery indicator is displayed when the AA battery power is low. If the user fails to replace the battery within 21 days, the screen will only show the low battery indicator but maintain all functionality. If the user fails to replace the batteries after an additional 21 days (days 22-42 since first “low battery” display) the setpoints will change to 55˚F (Heating) and 85˚F
(Cooling). If the user adjusts the setpoint away from either of these, it will hold for 4 hours then return to either 55˚F or 85˚F. After day 63 the batteries must be replaced immediately to avoid freezing or overheating because the thermostat will shut the unit off until the batteries are changed.

• Indicates the current room temperature
• Time and day of the week
• Low Battery Indicator: Replace batteries when this indicator is shown.
• Program Menu Options: Show different options during programming.
• Program Time Periods – Residential: Uses 4 time periods – WAKE, RETURN, LEAVE & SLEEP. Commercial: Uses 2 or 4 time periods that appear in the text field – Occupied & Unoccupied.
• Staging Indicators: +1 will appear in the display when second stage of heat or cool is on. +2 will appear for third stage of heat.
• System Operation Indicators:
• If these or the Fan indicator are flashing, it means that they are in a delay of some type (compressor delay, cooling fan delay, staging delay).
• Hold: is displayed when the thermostat program is permanently overridden.
• Setpoint: Displays the user selectable setpoint temperature.

Programming

• Press the MENU button.
• Press SET TIME.
• Day of the week will be flashing. Use the key to select the current day of the week.
• Press NEXT STEP.
• The current hour is flashing. Use the key to select the current hour. When using 12-hour time, make sure the correct a.m. or p.m. choice is selected.
• Press NEXT STEP.
• Minutes are now flashing. Use the key to select current minutes.
• Press DONE when completed.

Set Program Schedule For Four Time Periods

• Select HEAT or COOL with the system switch. Note: You have to program heat and cool each separately.
• Press the MENU button (If menu does not appear first press RUN SCHED). Press SET SCHED.
• Note: Monday-Friday (Monday if in 7 day) is dis played and the WAKE/ OCC1 icon is shown. You are now programming the WAKE/OCC1 time period for that day.
• Time is flashing. Use the key to make your time selection for that day’s WAKE/OCC1 time period.
• Note: If you want the fan to run continuously during this time period, select ON with the FAN key. If you want to use IAQ mode during this time period, select IAQ with the fan key.
• Press NEXT STEP.
• The setpoint temperature is flashing. Use the key to make your setpoint selection for that day’s WAKE/OCC1 period.
• Press NEXT STEP.
• Repeat steps 4 through 7 for that day’s LEAVE/UNOCC1 time period, RETURN/OCC2 time period, and SLEEP/UNOCC2 time period.

Saturday:
Repeat steps 4 through 7 for the Saturday WAKE/OCC1 time period, for the Saturday LEAVE/UNOCC1 time period, for the Saturday RETURN/OCC2 time period, and for the Saturday SLEEP/UNOCC2 time period

Sunday:
Repeat steps 4 through 7 for the Sunday WAKE/OCC1 time period, for the Sunday LEAVE/UNOCC1 time period, for the Sunday RETURN/OCC2 time period, and for the Sunday SLEEP/UNOCC2 time period

Set Program Schedule For Two Time Periods

• Select HEAT or COOL with the system key.
• Note: You have to program heat and cool each separately.
• Press the MENU button (If menu does not appear first, press RUN SCHED).
• Press SET SCHED. Note: Monday-Friday ( Monday if in 7 day) is displayed and the OCCUPIED text is shown. You are now programming the OCCUPIED time period for that day.
• Time is flashing. Use the or key to make your time selection for that day’s OCCUPIED time period.
• If you want the fan to run continuously during this time period, select ON with the FAN key. If you want to use IAQ mode during this time period, select IAQ with the fan key.
• Press NEXT.
• The setpoint temperature is flashing. Use the or key to make your setpoint selection for that day’s OCCUPIED period.
• Press NEXT.
• Repeat steps 4 through 7 for that day’s UNOCCUPIED time period.

Saturday:
Repeat steps 4 through 7 for the Saturday WAKE/OCC1 time period, for the Saturday LEAVE/UNOCC1 time period, for the Saturday RETURN/OCC2 time period, and for the Saturday SLEEP/UNOCC2 time period

Sunday:
Repeat steps 4 through 7 for the Sunday WAKE/OCC1 time period, for the Sunday LEAVE/UNOCC1 time period, for the Sunday RETURN/OCC2 time period, and for the Sunday SLEEP/UNOCC2 time period

Temporary & Permanent Hold Feature

Temporary Hold: The thermostat will display HOLD and RUN SCHED on the bottom of your screen when you press the or key. If you do nothing, the temperature will remain at this setpoint temporarily for 4 hours. After this, the program setpoint will then replace your temporary setpoint.

Permanent Hold: With a temporary hold set, if you press the HOLD key at the bottom of your screen, you will see HOLD appear below the setpoint temperature in the display. The thermostat will now
permanently stay at this setpoint and can be adjusted using the or keys.

To Return To Program: Press the RUN SCHED key at the bottom of your screen to exit temporary and permanent holds

Features

Filter Change & Other Reminders
If your HVAC contractor has configured the thermostat to remind you when the air filter needs changed, you will see a reminder in the display when your air filter needs to be changed

Resetting The Filter Change Reminder:
When the reminder is displayed, you should change your air filter and reset the reminder by holding down the Set Time/Next Step button of the thermostat for 3 seconds

Warranty Information

Warranty Registration
Your new thermostat has a 5-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 form and mail to:

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

Reference

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Pro1 Technologies T855S Non-Programmable Thermostat Operational Manual

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