Honeywell THP9045A Installation Manual Download

Page: 15 / 16

Step 6

Close the equipment door

Close or put back door to the heating and cooling system so the interlock switch will allow
the system to be turned on for the heating/cooling system and thermostat display. Your
thermostat display will not turn on if the door/panel is not closed.

Step 7

Follow instructions in

Quick Start Guide

Continue with Step 1.8 in the

Quick Start Guide.

Summary of Contents for THP9045A

Page 1: ...Wire Saver Installation Wire Saver THP9045A Optional for thermostats without 24 volt C wire ...

Page 2: ...ire saver in or near the main unit furnace air handler of your heating cooling system What tools do I need to install it Small flat screwdriver Two sided mounting tape included Thermostat wire bundle ends stripped included About the Wire Saver Before you begin installation view the video at http hwll co wiresaver THERMOSTAT WIRE SAVER HEATING COOLING SYSTEM ...

Page 3: ...an extra wire not connected to the old thermostat you can use that wire to connect your Wi Fi thermostat s C terminal You do not need to use the wire saver Refer to the Alternate Wiring video at wifithermostat com videos Take a photo of the wire connections Quick Start Guide Step 1 2 or make notes to carry to your heating cooling system Step 1 Verify that you need a wire saver Quick Start Guide Wi...

Page 4: ...nd W to the R and W terminals b Match the wire labeled Y to the C terminal c Match the wire labeled G to the K terminal 4 Push any excess wire back into the wall opening after all wires are installed Note The wiring for your application might be different from the wiring shown here Step 2 Wire the thermostat Remove metal jumper only if you have both R and Rc wires MCR35231 W2 G W Y R Rc K Y2 C Y H...

Page 5: ...aper from one side of the included two sided mounting tape c Attach the sticky side to a suitable surface such as the furnace wall or floor that is close enough to the terminal block for the shortest wire to reach the wire saver d Peel the paper from the outer surface of the mounting tape and attach the wire saver with the terminal block labeled THERMOSTAT at the top Step 3 Mount the wire saver M3...

Page 6: ...ombinations matches your setup a Single stage system 1 heat and 1 cooling stage uses wires R or Rc Y G W b Two stage heat single stage cooling system uses wires R or Rc Y G W W2 c Two stages for each heating and cooling uses wires R or Rc Y Y2 G W W2 If none of these combinations matches what you see call customer service for further instructions ...

Page 7: ...ing the included wire bundle to connect the terminal block on the equipment to the EQUIPMENT block on the wire saver To connect the wire saver follow the instructions and diagram for your setup as determined in Step 4 Follow instructions under 5a if you have a single stage setup Follow instructions under 5b if you have two stage heat single stage cooling Follow instructions under 5c if you have tw...

Page 8: ...sconnect the G wire connect it to K on the THERMOSTAT end of the wire saver 5 Disconnect the Y wire connect it to C on the THERMOSTAT end of the wire saver 6 Connect stripped ends of the included wire bundle to the terminals labeled EQUIPMENT on the wire saver in this color order a Connect red to Rc b Connect yellow to Y c Connect green to G d Connect blue to C e Connect white to W 7 Connect the o...

Page 9: ...s above your wire saver and heating cooling system will be wired as shown Rc K C W O B Rc Y G C W O B THP9045A 1023 1326 http yourhome honeywell com 1 800 546 1502 EQUIPMENT THERMOSTAT WIRE BUNDLE Wire Saver M35229 R Y W G C O B At Heating Cooling System To Thermostat ...

Page 10: ...he THERMOSTAT end of the wire saver 5 Disconnect the G wire connect it to K on the THERMOSTAT end of the wire saver 6 Disconnect the Y wire connect it to C on the THERMOSTAT end of the wire saver 7 Connect stripped ends of the included wire bundle to the terminals labeled EQUIPMENT on the wire saver in this color order a Connect red to Rc b Connect yellow to Y c Connect green to G d Connect blue t...

Page 11: ...in 5b your wire saver and heating cooling system will be wired as shown Rc K C W O B Rc Y G C W O B THP9045A 1023 1326 http yourhome honeywell com 1 800 546 1502 EQUIPMENT THERMOSTAT WIRE BUNDLE Wire Saver M35226 W2 R Y W G C O B At Heating Cooling System To Thermostat To Thermostat ...

Page 12: ... the THERMOSTAT end of the wire saver 5 Disconnect the G wire connect it to K on the THERMOSTAT end of the wire saver 6 Disconnect the Y wire connect it to C on the THERMOSTAT end of the wire saver 7 Connect stripped ends of the included wire bundle to the terminals labeled EQUIPMENT on the wire saver in this color order a Connect red to Rc b Connect yellow to Y c Connect green to G d Connect blue...

Page 13: ...5c your wire saver and heating cooling system will be wired as shown Rc K C W O B Rc Y G C W O B THP9045A 1023 1326 http yourhome honeywell com 1 800 546 1502 EQUIPMENT THERMOSTAT WIRE BUNDLE Wire Saver M35227 W2 R Y W G C O B Y2 At Heating Cooling System To Thermostat To Thermostat ...

Page 14: ...g the wire saver Rc K C W O B Rc Y G C W O B THP9045A 1023 1326 http yourhome honeywell com 1 800 546 1502 EQUIPMENT THERMOSTAT W2 G W Y R Rc K Y2 C Y HEAT PUMP CONVENTIONAL AUX EG O B Y R Rc K L C G W R M35225 R Y W G C O B WIRE BUNDLE Wire Saver At Thermostat At Heating Cooling System W2 G W Y R Rc K Y2 C HEAT PUMP CONVENTIONAL AUX EG O B Y R Rc K L C M35228 R Y W G C O B Y G W R At Heating Cool...

Page 15: ...stem so the interlock switch will allow the system to be turned on for the heating cooling system and thermostat display Your thermostat display will not turn on if the door panel is not closed Step 7 Follow instructions in Quick Start Guide Continue with Step 1 8 in the Quick Start Guide ...

Page 16: ...ntrol Solutions Honeywell International Inc 1985 Douglas Drive North Golden Valley MN 55422 wifithermostat com U S Registered Trademark 2014 Honeywell International Inc 33 00042 02 M S 06 14 Printed in U S A 33 00042 01 ...

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