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HEAT PUMP PROGRAMMABLE
THERMOSTAT
SA
PM
3
COOL TEMP
Model 43168 Owners Manual
Form 44014-01 r010408
1
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THERMOSTAT CONTROLS Heat Pump Switches & Buttons ..................................................................................15 Settings ....................................................................................................17 Programmable Thermostat Methods of Operation ..............................................................................19 Icons & Features ......................................................................................33 Model 43168 Important
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Remove Old Thermostat IMPORTANT INFORMATION CAUTION: Do not remove any wiring from the existing thermostat before reading these 1.This thermostat is designed to work on the following systems: instructions carefully. Wires must be labeled prior to removal. • Single-Stage Heat Pump IMPORTANT! Turn off the power to the HVAC system at the mainpower panel or at the • Mulit-stage Heat Pump (up to 2 heating and 2 cooling) HVAC system. Remove existing thermostat cover and thermostat. See Figure 1. S
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Wire Labeling • After labeling the wires, disconnect them from the existing thermostat terminals. • Remove existing wallplate. T o make sure wires do not fall back into wall opening, you may • CAUTION! TURN OFF POWER TO THE HEAT PUMP SYSTEM BEFORE YOU ATTEMPT want to secure them to the wall. TO ACCESS THE THERMOSTAT’S WIRING. • If the hole in wall is larger than necessary for wires, seal the hole with insulating material so • IMPORTANT! BEFORE DISCONNECTIN
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Connect Wires and Mount Thermostat to Wallplate • On the back of the thermostat are the System Set-Up Switches. See Figure 5. (NOTE: For clarity , the illustration of the thermostat circuit board omits most of the circuit board components to clearly show the • Match and connect the labeled wires to the appropriate coded terminal screws on the wallplate. See System Set-Up Switches.) If the heat pump system has an electric auxiliary system, then slide the #1 Figure 4. Ignore
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• Insert the tabs on top of the thermostat body into the slots at the top of the wallplate. Press the bottom of THERMOSTAT CONTROLS the thermostat body into the snap on the bottom of the wallplate. (NOTE : Do not force the thermostat onto • Open the thermostat’s front cover. See Figure 6. the wallplate, as the terminal pins may be damaged. If it does not snap properly, the thermostat may not work.) • T urn on power to the heat pump system. • If the wiring to the
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sys Switches and Buttons Switches and Buttons A LCD Readout - displays indoor temperature, set temperature, and information about the heat pump K system’s operation and status. B System Switch - “em heat” is the Emergency Heat. NOTE: The Emergency Heat Mode is not an energy saving mode, so use it only when necessary. “heat” is the normal heat mode. “off” turns the system off. “cool” is the normal cooling mode. C Fan Switch - In Auto mode, the fan runs when the system is on f
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Settings The default for this thermostat setting is in a 12 hour format. You can change the format to 24 hour format by pressing Dy a /Tmie and then Program . The AM/PM indicator will be off when the thermostat is in 24 hour mode. AM PM Setting day and time: 1. Press Dy a /Tmei . (AM/PM and current hour will flash) Press UP or Down to adjust the setting. 2. Press Dy a /Teim again to adjust the minute setting. Press UP or Down to adjust the setting. 3. Press Dy a /Time again to adjust t
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Methods of Operation This thermostat gives you the ability to program up to 4 custom temperature settings per day or utilize pre-programmed settings. For manual operation instructions, see pages 21-23. To utilize the pre-programmed settings, see pages 24-25. To create custom programs, see pages 26-29. AM 4 HEAT 18 19
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Methods of Operation (cont.) 1. MANUAL OPERATION SA Many people prefer to operate their thermostats manually, adjusting settings as needed. You UP and Dwon buttons can either temporarily override the settings for the current program, or permanently override all PM settings and adjust temperatures manually. 2 TEMP If you want to only temporarily override the current program: 1. Press and hold UP or Dwon for one second to enter Manual Override mode. (Release the button when the display flashe
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Methods of Operation (cont.) MANUAL OPERATION, CONT. If you want to permanently override all settings and adjust the thermostat manually: UP and Dwno buttons 1. Press Hol D/r e TUnr until the Hold icon appears. HOLD 2. Press and hold UP or Dwno for one second to enter Manual Override mode. (Release the Hold icon button when the display flashes.) 3. Press the UP or Dwon buttons to adjust the temperature setting as desired. 4. Press and release Hol D/r e TUrn to return to the normal display.
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Methods of Operation (cont.) DEFAULT PROGRAMS CHART 2. DEFAULT PROGRAMS This thermostat meets ENERGY ST AR guidelines for energy efficiency . By using the pre- programmed settings, this thermostat can save you money by optimizing energy usage in heating and cooling. 10 pm Program 4 o o Heat : 60 F (16 C) o o Refer to the Default Programs Chart on page 24 for detailed information about the pre- Cool : 82 F (28 C) programmed settings. Program 3 o o Heat : 68 F (20 C) o o Cool : 78 F (26 C) 6 am
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Methods of Operation (cont.) AM/PM indicator 3. CREATING CUSTOM PROGRAMS NOTES: UP and Dnwo buttons • Program times can be set in 10 minute increments. AM o o • Program temperature can be set in increments of 1 F (1 C). PM • After 15 seconds of inactivity during programming, the thermostat will return to Normal Display mode. sys Tem switch • When setting each program time, note the AM/PM indicator . • Press Hlo D/r e TUnr at any time to exit Program mode. Prgorma PROCEDURE: program 1.
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Methods of Operation (cont.) 3. Press UP or Dnow to change the hour. Press Program to save the hour and adjust the minute setting. 4. Press UP or Down to change the minute. Press Pogramr to save the minute setting and adjust the temperature. UP and Donw M T W TH F SA SU 5. Press UP or Down to change the temperature. Press Porgamr again to move to the next buttons AM program number. PM NOTE : There are 4 programs per day . If you do not wish to assign 4 programs per day , then 1 2 3 4 HEA
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Icons and Features ® 1. INDIGLO night-light - will backlight the display for easy viewing in the dark. Press any button to illuminate the light. 2. Filter change indicator - will flash after 400 hours of system use as a reminder to check or change your filter . Press and hold the Fil Ter button for 5 seconds after changing the filter to reset the filter timer . 2 HEAT TEMP (Pressing the Filter button for less than 5 seconds will cause the Filter change indicator icon to appear . The
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Icons and Features (cont.) 6. Error mode – if the thermostat is unable to control your system due to an unexpected problem, the thermostat will enter Error Mode. In this condition, the thermostat flashes “E1”, “E2”, or “E3” on the LCD display, and shuts off your system. o o 7. Auto cut off – automatically turns the system off if the temperature rises above 95 F (35 o o C) or drops below 40 F (4 C). (If your HVAC system has malfunctioned, the system will no longer respond to thermostat co
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OPERATION Important Features system em Review the Set Temperature 1. Temperature Range heat 1. Slide the “system” switch to either the “heat” position or the “heat” position heat o “cool” position. o o o 99 F 30 F 45 F 95 F o o off (37 C) 2. Press either the Up or Down button for less than one second. (0 C) o o (7 C) (35 C) The LCD Display will show “set temp” and the set temperature. “cool” position cool Out of range Out of range Program range Change the Set Temperature “LO” “HI” 1. Pres
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Setting Options T o set the Span setting of the 2nd stage: The following Options are available on your thermostat: 1. Press Program after you finish setting the Stage 1 span. The LCD Display will show “ST A 2” and the 2nd 1. 1st stage span - The factory setting for Stage 1 heating and cooling is 1, meaning that your thermostat will stage Span setting, either 1, 2 (factory setting), 3, 4, or 5, meaning that the Span setting is at 2°F (1°C), cycle at 1°F (0.5°C) above and be
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Filter Reminder TROUBLESHOOTING The LCD Display will show “filter” after every 400 hours of fan operation, as a reminder to change the Problem Solution HV AC system’ s filter as soon as possible. 1. Check the Fan Switch. The fan will run continuously if the Fan switch is in Fan runs continuously Resetting Your Thermostat program the “on” position. Should you desire the thermostat’s factory settings and default set- day/time tings, use the tip of a paper clip to press the “reset” button. Pressi
