Carrier Aquazone 50QE900-NPWS- Manuals

4 5 6 Setup Indication Indicates the thermostat is in the Advanced Setup mode. Page 7. Fan Operation Indication - indicates constant, continuous fan operation. When Fan On is not lit - indicates the fan will only operate when necessary to heat or to cool. Page 6. Locked Indication appears after the ...

The HEAT setting indicates the temperature the room has toreach before the furnace will turn on to heat the room. The COOL setting indicates the temperature the room has to reach before the air conditioner will turn on to cool the room. OFF indicates both heating and air conditioning systems are tur...

buttons. In any mode, adjust the desired Set Temperature with Pressing the up/down buttons in Auto mode will adjust both the heat and cool set temperatures simultaneously.Pressing the up/down buttons in Heat or Cool modes will adjust only the heat or cool set temperature. Select Desired Temperature ...

Advanced Setup Page 7 Press Press Press Continued Press the Mode button.While holding the Mode,press the Fan button for 7 seconds to enter Setupscreens. NOTE: Each step # is located at the top right corner of the display for easy reference. FAN MODE MODE MODE MODE Adjust the deadbandfrom 1 - 6 degre...

Advanced Setup Page 8 Press MODE Select the display back-light always On , or Off after 8 seconds. On Off Press MODE Setup L I 4 ON Continued Select thermostatoperation in degrees F ahrenheit or C entigrade. C F Setup F 5

Advanced Setup Page 9 Step # Description Range Factory Default 1 2 3 4 5 6 Deadband or Temperature swing 1 - 6 2Forced minimum difference heat/cool 0 - 6 2Cycles per hour d, d1, 2 - 6 6Thermoglow backlight Off / On OnFahrenheit or Centigrade F / C FReversing Valve polarity O / B O Advanced Setup Tab...

About Advanced Features & Operation Page 10 2 STAGE OPERATION - The 2nd Stage of heat or cool is turned on when ( 1 ) the 1st Stage has been on for a minimum of two minutes, and ( 2 ) the temperature spread from the setpoint is equal to or greater than: the setpoint plus the deadband, plus 2 deg...

About Advanced Features & Operation Page 11 EMERGENCY HEAT - the Fan button press The Cool setpoint display During Emergency Heat the thermostat will turn on the fan and the 2nd stage of heat, when there is a demand for heat, locking out the 1st stage compressor. Exiting Emergency Heat is the sa...

About Advanced Features & Operation Page 12 KEYPAD LOCK - To prevent unauthorized use of the thermostat, the front panel buttons may be disabled. To disable, or ‘lock’ the keypad, press and hold in the Mode button. While holding the Mode button in, press the Up and Down buttons in together. The ...

About Advanced Features & Operation Page 13 DUAL SETPOINT BEHAVIOR - The adjustable setpoint range is: 35 - 99 degrees in Fahrenheit and 7 - 35 degrees in Centigrade. When in the modes Heat or Cool, this adjustable range is unhampered. When adjusting any Auto mode, the thermostat allow the Heat ...

About Advanced Features & Operation Page 14 FACTORY DEFAULTS - If, for any reason it is desirable to return all stored settings back to the factory default settings, press the Mode button. While holding the Mode button in, press the Down button for 2 sec. All icons will appear. Press and hold in...

Warranty Page 15 P/N 88-256 One-Year Warranty - This Product is warranted to be free from defects in material and workmanship. If it appears within one year from the date of original installation, whether or notactual use begins on that date, that the product does not meet this warranty, a new orrem...