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Manafacture: Hunter Fan File size: 228.87 kb File name: 43157.pdf Language of manual:

(See Figure 4, 5.) Ignore any wires which may be present, but which were not connected to the old thermostat. n Refer to the Wiring Diagrams below to be sure your system is wired correctly. n If your system is a single stage heat pump and uses an O or B wire, you must move the System Selector switch inside the thermostat to the Heat Pump position. If you have a normal furnace or electric system, leave the switch in the Standard position. Refer to the System Selector section on the back for more information on this switch. n Be sure to tighten the terminal screws securely, otherwise a loose wire could cause operational problems with your system or thermostat. n Push excess wire back into the hole to prevent interference when installing the thermostat to the wallplate. n Make sure the System Switch is set to OFF, and the Fan Switch is set to AUTO. n Insert the bottom tab on the thermostat body into the slot at the bottom of the wallplate. Press the top of the thermostat body to snap it into the wallplate. Refer to Figure 6. (NOTE: Do not force the thermostat onto the wallplate, as the terminal pins may be damaged. If it does not snap properly, the thermostat may not work.) n Insert the two AA size alkaline batteries, observing the polarity marked inside the battery compartment. n Switch on the main power at the panel or furnace. Wiring Diagrams PROGRAMMABLE THERMOSTAT Owners Manual Model 43157 ! LCD Display: Shows Time, Day, Temperature, Program Number, and other feature information as required. Low Battery Indicator: Flashes when batteries need to be replaced. INDIGLO® night-light: Backlights display automatically with each key press for easy viewing. Up and Down Keys: Keys for changing the Temperature setting. Also used for increasing and decreasing selections in the Time, Program, and Span functions. Day/Time Key: Used for entering the Clock setting mode. Use with the Up and Down keys to set the time and day. Program Key: Used for entering and modifying Programs. Use with the Up and Down keys to set times and temperatures. Press when in Clock setting mode to select between 12 and 24 hour clock modes. Hold / Return Key: Used for setting a permanent (vacation) hold, and for returning to the normal display from Day & Time setting, Programming, or Span setting modes. Reset: Press with a paper clip to reset the thermostat and return to power-up settings. System Switch: Selector switch for Heat, Cool, and Off. Fan Switch: Fan switch for Automatic or Continuous fan operation. Battery Compartment: Front access allows easy insertion of two AA 1.5V batteries. Front Door: Covers keys when not used for neat appearance. Open with one finger from either side. If the code letter on your existing thermostat is then mark the wire with label shown and connect to thermostat terminal shown ® M AM 4 TEMP Air Purifiers Thermostat Guards Humidifiers W G Y RH RC RH G RC Y/O Y1 W/B x RH x RC x G x Y/O x W/B x Y1 RH, R, VR or 4 24 Volt G or F Fan RC, VC 24 Volt Cool Y, C or M Air Conditioning Compressor - or - O Reversing Valve operating in Cool mode. (Single Stage Heat Pumps ONLY.) W or H Heating - or - B Reversing Valve operating in Heat mode. (Single Stage Heat Pumps ONLY.) Y1 Heat Pump compressor (Single Stage Heat Pumps ONLY.) Figure 2 Figure 3 O/B RC G Y/Y1 W RH Figure 6 Figure 4 Figure 5 G RC Y1 W/B RH x + x + x Y/O + x RH Wallplate Terminals G Rc Y1 Y/O W/B Fan Relay Heat Relay or Valve Cool Contactor Heat/Cool 2 4V Supply Rh Jumper System Selector X X STD – HP Wallplate Terminals G Rc Y1 Y/O W/B Cool 24V Supply Fan Relay Heat Relay or Valve Cool Contactor Heat 24V S upply Rh No Jumper System Selector X STD – HP 4-wire Heat/Cool System 5-wire Heat/Cool System Wallplate Terminals G Rc Y1 Y/O W/B Fan Relay Reversing Valve Compressor Contactor Heat Pump 2 4V Supply Rh Jumper X System Selector STD – HP OR Heat Mode Cool Mode Connect to Proper Reversing Valve Terminal. See Table A Wallplate Terminals G Rc Y1 Y/O W/B Heat Relay or Valve Heat 24V or M illivolt Supply Rh Jumper System Selector X X X X STD – HP 2-wire Heat Only System Wallplate Terminals G Rc Y1 Y/O W/B Fan Relay Heat Relay or Valve Heat 24V S upply Rh Jumper System Selector X X X STD – HP 3-wire Heat Only System Wallplate Terminals G Rc Y1 Y/O W/B Fan Relay Cool 24V Supply Cool Contactor Rh Jumper System Selector X X X STD – HP 3-wire Cool Only System Single-stage Heat Pump System X – No Connection RESET DAY/TIME PROGRAM HOLD/RET HEAT OFF COOL FAN ON AUTO PM TH HEAT TEMP 3 Temperature in F° (C°) Program Number Time Heat Cool 1 6:00 am 68°F (20°C) 78°F (26°C) 2 8:00 am 60°F (16°C) 85°F (29°C) 3 4:00 pm 68°F (20°C) 78°F (26°C) 4 10:00 pm 60°F (16°C) 82°F (28°C) HOLD/RET HOLD/RET Selector Switches In order for this thermostat to control your system, the system type must be specified by the selector switches on the printed circuit board inside the thermostat. There is also a selector switch for your choice of Fahrenheit or Celsius temperature display. ¦ Heating System ...

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