Hvac Comfort System T-32-P Operation Manual
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Hvac Comfort System T-32-P Operation Manual

Universal thermostat
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Comfort System™ T-32-P
Universal Thermostat
TM
O
Operation Manual

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Summary of Contents for Hvac Comfort System T-32-P

  • Page 1 Comfort System™ T-32-P Universal Thermostat Operation Manual...
  • Page 2 Great care has been taken in the preparation of this manual. IO HVAC Controls takes no responsibility for errors or omissions contained in this document. It is the responsiblity of the user to ensure that this thermostat, or equipment connected to it is operating to their respective specifications and in a safe manner.

  • Page 3: Residential Programmable Mode

    Press the FAN key to cycle through the fan selections. More details on fan functions can be found on page 20 of this manual. Auto The HVAC system fan will only run with a call for heating or cooling. The HVAC system fan will run continuously.

  • Page 4: Up / Down Keys

    Programming 4 daily events The T-32-P can be programmed to provide 4 individual time-of-day temperature settings for each day of the week. Each event is noted on the LCD by numerals At the start of each event, the programmed heating and cooling temperature will be maintained until the next event starts.
  • Page 5 The T-32-P has a temporary program override function that permits you to change the current event set temperatures for a fixed period of time. The HVAC installer will have set the override period from 1 to 12 hours. If during the override period another scheduled event takes place, the override will be canceled.

  • Page 6: Commercial Programmable Mode

    The LCD will now flash the current program number to remind you that an override is in progress. The override temperature settings will remain in effect until the override time expires or until the next scheduled event (whichever comes first). You can return to the programmed schedule at any time by pressing the O/RIDE key and then pressing it again.
  • Page 7 Press the FAN key to cycle through the fan selections. More details on fan functions can be found on page 20 of this manual. Auto The HVAC system fan will only run with a call for heating or cooling. The HVAC system fan will run continuously. Setting the clock The T-32-P has a real-time clock that is used for programming functions.
  • Page 8 When the T-32-P will exit the override program. The word START or STOP will flash confirming the override event. The HVAC installer will have set the override period from 1 to 12 hours. If during the override period another event takes place, the override will be canceled.

  • Page 9: Non-Programmable Mode

    In many commercial applications, code requires constant ventilation during occupied periods. The HVAC installer can configure the T-32-P to allow the fan to run continuously during the START schedule. When the thermostat changes to the STOP schedule, the fan shuts down and only operates with a heating or cooling call.

  • Page 10: Common Functions

    Switching between day and night temperature settings If the HVAC installer has set the Day / Night function, the T-32-P will keep two heat and two cool temperature settings. This provides a convenient method to manually select Day (occupied) or Night (unoccupied) settings.
  • Page 11 The O/RIDE key is used as an after hours run timer for a programmed period established by the HVAC installer (0.5 - 12 hours) or Off which will hold the override until the next scheduled event. When the O/RIDE key is pressed, the LCD will display the flashing word TIMER and the Start (occupied) temperatures will be initiated.
  • Page 12 Cooling Call When the T-32-P is in the Cool mode and there is a call for cooling, the LCD will display the word Cooling. If the word Cool flashes, this confirms that the T-32-P is initiating a time delay before the cooling call takes place.

  • Page 13: Troubleshooting

    • If Heat or Cool is flashing, the T-32-P has initiated an equipment protection time delay. Wait4 minutes for the system to restart. If for any reason your T-32-P does not function properly, contact your installing HVAC contractor. INDIANAPOLIS, IN 46203 www.iohvaccontrols.com...

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