Carrier 33CS450-01 Owner's Manual

7-DAY7-DAYPROGRAMMABLEPROGRAMMABLEDIGITAL DIGITAL THERMOSTAT THERMOSTAT HEATCOOL&HEATPUMPAccepts EZ ProgrammerRemote AveragingProgrammable OutputL

CarrierHUMIDIFICATION OPERATION - SECTION 9 of the Owner’s ManualIf your HVAC unit is equipped with a humidification system and the Humidity Module (s

CarrierECON JUMPER SETTINGIf the jumper for MISC2 and MISC3 is set to ECON, the corresponding MISC screw terminal on the backplate will be connected

Page 4.1SECTION 4Wire ConnectionsWire Connections4If the terminal designations on your old thermostat do not match those on the new thermostat, refer

Page 5.1Section 5 Contents: HVAC Equipment Wiring...5.2 MISC1, MISC2, and MISC3 Wiring...5.6 Remo

CarrierY1GRCMISC2CK1CKGNDW1/O/BMISC1RS+5RS1RSGNDW26 Conductor 18 gauge unshielded cable from the thermostat to the equipment.24 vac return Fan relayCo

CarrierY1GRCMISC2CK1CKGNDW1/O/BMISC1RS+5RS1RSGNDW26 Conductor 18 gauge unshielded cable from the thermostat to the equipment.24 vac return Fan relayCo

Y1GRCMISC2CK1CKGNDW1/O/BMISC1RS+5RS1RSGNDW26 Conductor 18 gauge unshielded cable from the thermostat to the equipment.24 vac return Fan RelayCompresso

CarrierY1GRCMISC2CK1CKGNDW1/O/BMISC1RS+5RS1RSGNDW26 Conductor 18 gauge unshielded cable from the thermostat to the equipment.24 vac return W2 GR CY1RS

CarrierY1GRCMISC2CK1CKGNDW1/O/BMISC1RS+5RS1RSGNDW22nd Stage CoolingY2W3RS2Adding a 2nd Stage of Cooling (MISC1), Exterior Lighting System (MISC2), an

CarrierCK1CKGNDHPGASBOELECGAS(FAN)W1Y1GRCMISC2W2MISC1RS2MISC3RSGNDRS+5INSTALL HUMIDITY MODULE WITH SENSINGELEMENT OUTWARDHUMNO HUMECONW3PROGHUMDEHUM M

Page iNOTE: Due to variations in environmental conditions, it is not always possible to achieve the desired humidification or dehumidification setpoi

CarrierDRY CONTACT SWITCH - The terminals are ‘normally open’ (may be programmed for normally closed operation, see page 16.2 of the Owner’s Ma

CarrierPress the MODE button repeatedly until the HEAT icon appears on the display. Press the UP or DOWN buttons until the set temperature is 10 degr

Page 7.1SECTION 7Calibrating the Thermostat SensorsCalibrating the Thermostat Sensors7After calibration is complete, press the MODE button twice to re

CarrierPage 8.1SECTION 8TroubleShootingTroubleShooting8SYMPTOM: The air conditioning does not attempt to turn on.CAUSE: The compressor timer

P/N 88-507Rev. 4CarrierSYMPTOM: When controlling a residential heat pump, and asking for cooling, the heat comes on.CAUSE: The thermostat re

82136745PreparationRemove & Replace the Old ThermostatConfiguring the MISCOutputsSample Wiring DiagramsCalibrating the Thermostat SensorsTest Ope

Page 1.1SECTION 1PreparationPreparation1Assemble tools Flat BladeScrewdriverWire cutter& StripperMake sure your Heater/Air Conditioner is working

Page 2.1SECTION 2Remove & Replace the Old ThermostatRemove & Replace the Old Thermostat2Remove the cover of the old thermostat.If it does not

Carrier3Page 3.1Section 3 Contents: Configuring the Jumpers...3.2 Explanation of Jumper Settings...3.3 SECT

Carrier3Configuring the JumpersConfiguring the JumpersECONPage 3.2For additional flexibility, your thermostat has three configurable outputs. These o

CarrierPROG JUMPER SETTINGIf the jumper for MISC1, MISC2, or MISC3 is set to PROG, the corresponding MISC screwterminal on the backplate will control