background image

                                                                             

    

49-50274    03-11 GE

PROGRAMMABLE 

THERMOSTAT

Installation Instructions

Summary of Contents for PROGRAMMABLE THERMOSTAT

Page 1: ...49 50274 03 11 GE PROGRAMMABLE THERMOSTAT Installation Instructions...

Page 2: ...ressive cleaning agents NOTICE This device shall only be used for its intended purpose as described in this Owner s Manual If this is a new installation locate the thermostat 4 to 5 feet above the flo...

Page 3: ...Heat 2 Stage Cool Heat Pump System 3 Refer to the wiring diagrams to determine the number of wires necessary to install this thermostat 4 Ensure the power to the air conditioning or heating system is...

Page 4: ...4 On thermostat body locate switch SW1 on thermostat circuit board 15 Set switch SW1 2 to HP for heat pump system or STD for conventional or Standard system For heat pump system set switch SW1 1 to E...

Page 5: ...n to highlight COOL Stage 1 Press the UP or DOWN button to toggle the COOL Stage 1 output ON OFF 5 Press the NEXT button to highlight COOL Stage 2 Press the UP or DOWN button to toggle the COOL Stage...

Page 6: ...s the UP or DOWN button to toggle the FAN output ON OFF After testing the FAN output keep it in the ON setting to test other outputs 5 Press the NEXT button to highlight COOL Stage 1 Press the UP or D...

Page 7: ...the NEXT button to highlight COOL Stage 1 Press the UP or DOWN button to toggle the COOL Stage 1 output ON OFF 6 Press the NEXT button to highlight COOL Stage 2 Press the UP or DOWN button to toggle t...

Page 8: ...ommon for control circuit and ther mostat power input G FAN Y 1st stage cooling 1st stage compressor Y2 2nd stage cooling 2nd stage compressor W 1st stage heating Auxiliary heating W2 E 2nd stage heat...

Page 9: ...Valve Aux Hea ng Emergency Emergency relay Auxiliary hea ng relay 1st Compressor Relay 2nd Compressor Relay Fan relay AC_ IN Power Supply AC_ IN MCU 1st Compressor 2nd Compressor Jumper Wire FAN FAULT...

Page 10: ...TING 1st HEATING 2nd HEATING Transformer 2nd hea ng relay 3rd hea ng relay 1st cooling relay Fan relay AC_ IN Power Supply AC_ IN 1st Cooling 2nd Cooling Jumper Wire FAN 24VAC Heat Cool 2nd cooling re...

Page 11: ...nearby the equipment strip 2 Label each wire to be connected eg RH RC C Y W G 3 The two leads of the Diobe Pair are connected to thermostat terminals Y to Y W to W Select one of the existing thermost...

Page 12: ...RH terminals The connection is shown below THERMOSTAT R C Y W D4 D3 Diode pair Jumper wire Add a wire for 4 wires system Jumper wire 1N4007T 1N4007T G RC STAT ACCESSORY EQUIP EQUIPMENT RH C RC RC C R...

Reviews: