HVAC Controls Comfort System T-32-P Operation Manual
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HVAC Controls Comfort System T-32-P Operation Manual

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

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Summary of Contents for HVAC Controls 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

    Residential Programmable Mode MODE Selection Press the MODE key to cycle through the modes of operation and the LCD will display the following: Heat Heat Mode Cool Cool Mode Auto Changeover (Installer must Cool activate this mode) Heat E. Heat Emergency heat when T-32-P is configured for a heat pump system Thermostat is off...
  • Page 4 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 Press the PROG key again and the same day selected will be shown along with the number which represents the second program event. The hour will flash indicating that this value can now be programmed. Use the up ( ) or down ( ) key to advance the hour to the second event start time. Make sure that the AM / PM is correct.

  • 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 FAN Selection 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 8 Press the PROG key again and the LCD will display the word SET and the temperature setting for the current mode (Heat or Cool). Press the ( ) or down ( ) key to change the setpoint. If Auto mode is selected (shown by both Heat and Cool on the display), wait 3 seconds after adjusting the first mode setpoint and the T-32-P will change to show the next mode setpoint.

  • Page 9: Non-Programmable Mode

    Reviewing Set Temperatures Your can review the set temperatures at any time by simply pressing the up ( ) or down ( ) key. Advanced Fan Operation 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.

  • Page 10: Common Functions

    Setting the clock The T-32-P has a real-time clock. To set the clock, press the PROG key until the hour flashes on the LCD. Use the up ( ) or down ( ) key to set the current hour along with the AM and PM symbol.
  • Page 11 O/RIDE Key (Override) Residential Programmable Mode The O/RIDE key is used to override the programmed schedule and to hold the current set temperature indefinitely or until the O/RIDE button is pressed again. The word will be displayed on the LCD to confirm this function is active. HOLD O/RIDE Key (Override) Commercial Programmable Mode The O/RIDE key is used as an after hours run timer for a programmed period established by the...
  • 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

    Troubleshooting LCD display is blank • Check HVAC circuit breaker and reset if necessary. • Make sure power switch at HVAC system is on. • Make sure furnace door is closed securely. Heating or cooling • Press MODE key to set system to Heat. Make sure the system does not temperature is set higher than the inside temperature.

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