Carrier 33CS450-01- User Manual

Carrier 3 Page 3.1 Section 3 Contents: Configuring the Jumpers........3.2 Explanation of Jumper Settings..................................3.3 SECTION 3 Configuring the MISC Outputs Configuring the MISC Outputs

Carrier 3 Configuring the Jumpers Configuring the Jumpers ECON Page 3.2 For additional flexibility, your thermostat has three configurable outputs. These outputs are designed to have different functions depending on how the jumpers are set ( below ). Each output, labeled MISC1, MISC2, and MISC3 may ...

Carrier PROG JUMPER SETTING If the jumper for MISC1, MISC2, or MISC3 is set to PROG, the corresponding MISC screwterminal on the backplate will control a pilot relay or other accessory. Page 3.3 The 3rd Stage of Heat is turned on when: (A) The 1st and 2nd stages have been on for the time required ( ...

Carrier HUMIDIFICATION OPERATION - SECTION 9 of the Owner’s Manual If your HVAC unit is equipped with a humidification system and the Humidity Module (sold separately) has been installed, the thermostat will provide power to the MISC1, MISC2, or MISC3 terminal of the thermostat when the humidity in ...

Carrier ECON JUMPER SETTING If the jumper for MISC2 and MISC3 is set to ECON, the corresponding MISC screw terminal on the backplate will be connected to an economizer. ECONOMIZER OPERATION - If your HVAC unit is equipped with an economizer system, the thermostat will provide power to the MISC1, MIS...

Page 4.1 SECTION 4 Wire Connections Wire Connections 4 If the terminal designations on your old thermostat do not match those on the new thermostat, refer to the chart below, or the wiring diagrams that follow. Wire from the old thermostat terminal marked Function Install on the new thermostat conne...

Carrier Y1 G R C MISC2 CK1 CKGND W1/O/B MISC1 RS+5RS1RSGND W2 6 Conductor 18 gauge unshielded cable from the thermostat to the equipment. 24 vac return Fan relay Compressor relay 1st stage heat circuit W 1 W 2 G R C Y 1 RS2 6 Wire, 1 Stage Cooling, 1 Stage Heat 24 vac common 2nd stage heat circuit M...

Carrier Press the MODE button repeatedly until the HEAT icon appears on the display. Press the UP or DOWN buttons until the set temperature is 10 degrees above room temperature; The furnace should turn on. Press the MODE button repeatedly until the COOL icon appears on the display. Press the UP or D...

Page 7.1 SECTION 7 Calibrating the Thermostat Sensors Calibrating the Thermostat Sensors 7 After calibration is complete, press the MODE button twice to return to normal operation. AUTO OFFON Override Unoccupied Am I8:88 SuMoTuWeThFrSa Pm A UX H EAT C OOL FanOn Service FilterPan UV Light Program On ...

Carrier Page 8.1 SECTION 8 TroubleShooting TroubleShooting 8 SYMPTOM: The air conditioning does not attempt to turn on. CAUSE: The compressor timer lockout may prevent the air conditioner from turning on, for a period of time. REMEDY: Consult the Owner's Manual in the Setup section to defeat the cyc...

P/N 88-507Rev. 4 Carrier SYMPTOM: When controlling a residential heat pump, and asking for cooling, the heat comes on. CAUSE: The thermostat reversing valve jumper is set for “b”. REMEDY: Set the reversing valve jumper for “O”. See pages 5.4 and 5.5. SYMPTOM: When calling for cooling, both the heat ...