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Programmable Thermostats
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Installation, Start-Up, and Operating Instructions
NOTE: Read the entire instruction manual before starting the
installation.
As an ENERGY STAR Partner, Carrier Corporation has
determined that this product meets the ENERGY STAR
This symbol → indicates a change since the last issue.
guidelines for energy efficiency.
INDEX
Page
SAFETY CONSIDERATIONS .....................................................1
INTRODUCTION....................................
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• Close to or in a frequently used room, preferably on an inside → Switch D - Intelligent Heat Staging Select partitioning wall. (Active on 2S models only) • On a section of wall without pipes or duct work. This switch converts a 2-speed heat pump thermostat with 1 stage Thermostat should NOT be mounted: of auxiliary heat into a 1-speed heat pump thermostat with 3 stages of auxiliary heat for comfortable leaving air temperature. It • Close to a window, on an outside wall, or next to a door leadi
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→ Table 1—Model Selection and Wiring Diagram Chart AIR CONDITIONER HEAT PUMP INDOOR UNIT 1 Speed 2 Speed 1 Speed 2 Speed 1-Stage Model AC Model 2S Requires Dual Fuel Ther- Model 2S Furnace See Fig. 2 See Fig. 8 mostat See Fig. 11 2-Stage Model AC Model HP Model 2S Requires Dual Fuel Ther- Model 2S Furnace See Fig. 3 See Fig. 4 See Fig. 9 mostat See Fig. 12 Model AC Model HP Model 2S Model HP Model 2S Typical Fan Coil See Fig. 5 See Fig. 6 See Fig. 10 See Fig. 7 See Fig. 13 Variable-Speed Model A
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4. Press SET TIME/TEMP button again to flash upper small higher or lower value. The selected number is number of degrees, display for selection of another option, or press END to exit plus or minus, which will be added to actual temperature. The configuration mode. numbers can range between -5 and +5. Factory default is 0. This adjusted value will be used as actual temperature for both display Option 3—Fahrenheit or Celsius Operation and control action. For example, if 2 is selected, 72°F actual
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stay on and turn Cool Stage 1 on. For actual outputs, refer to Table TO TEST EMERGENCY HEAT (heat pump systems only): 2, making sure the correct row from the table is selected. To turn To test, press MODE button until EHEAT icon turns on. This will off, raise cooling set point above the room temperature. Cool Stage allow operation of auxiliary heat only. Raising set point above 1 and the triangle will turn off within a few seconds. room temperature will turn on the first stage of auxiliary heati
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6 → Table 2—Programmable Thermostat Quick Reference THERMOSTAT OUTPUT AC/HP Staging 24v Heat Heat Cool TSTAT Model Outdoor Unit Configuration Configuration Common Fan Heat Stage 3 Heat Stage 4 Cool Stage 1 Reversing Valve Hot Stage 1 Stage 2 Stage 2 (Switch C) (Switch D) AC01-B AC EITHER EITHER R C G W/W1 N/A N/A N/A Y/Y2 N/A N/A HP01-B HP OFF EITHER R C G Y/Y2 W/W1 N/A N/A Y/Y2 N/A O/W2 W/W1 HP01-B AC ON EITHER R C G O/W2 N/A N/A Y/Y2 N/A N/A W/W1 2S01-B 2-Speed AC ON EITHER R C G O/W2 N/A N/A
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MODEL AC SINGLE-STAGE SINGLE-SPEED THERMOSTAT FURNACE AIR CONDITIONER 24 VAC HOT R R FAN G G HEAT STAGE 1 W/W1 W COOL STAGE 1 Y/Y2 Y Y N/A O/W2 N/A Y1/W2 24 VAC COMM C C C N/A B S1 OUTDOOR SENSOR S2 CONNECTION See note 1 ON SUGGESTED DIP SWITCH SETTINGS AB C D OFF OFF OFF OFF A98485 → Fig. 2—Single-Speed Air Conditioner with Single-Stage Furnace—Model AC Thermostat TWO-STAGE OR MODEL HP VARIABLE-SPEED SINGLE-SPEED TWO-STAGE OR MODEL AC SINGLE-SPEED THERMOSTAT FURNACE AIR CONDITIONER VARIABLE-SP
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MODEL HP TYPICAL SINGLE-SPEED THERMOSTAT FAN COIL AIR CONDITIONER MODEL AC TYPICAL SINGLE-SPEED THERMOSTAT FAN COIL AIR CONDITIONER 24 VAC HOT R R 24 VAC HOT R R FAN G G FAN G G HEAT STAGE 1 W/W1 W2 * COOL STAGE 1 Y Y * Y/Y2 COOL STAGE 1 Y/Y2 Y Y HEAT STAGE 1 W2 W/W1 HEAT STAGE 2 O/W2 W3 N/A O/W2 W3 N/A Y1/W2 E E N/A Y1/W2 24 VAC COMM C C C 24 VAC COMM C C C N/A B N/A B OUTDOOR S1 OUTDOOR S1 SENSOR SENSOR See notes 2, 7, and 8 See notes 1, 7, and 8 S2 CONNECTION CONNECTION S2 ON ON SUGGESTED D
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MODEL 2S TYPICAL TWO-SPEED MODEL 2S TWO-STAGE OR TWO-SPEED THERMOSTAT FAN COIL AIR CONDITIONER THERMOSTAT VARIABLE-SPEED AIR CONDITIONER FURNACE 24 VAC HOT R R R * COOL STAGE 1 Y1/W2 Y1 Y1 FAN G G FAN G G HEAT STAGE 1 W/W1 W2 W/W1 HEAT STAGE 1 W/W1 * COOL STAGE 2 Y/Y2 Y Y2 COOL STAGE 2 Y/Y2 Y2 Y/Y2 HEAT STAGE 2 O/W2 W3 HEAT STAGE 2 O/W2 W2 E COOL STAGE 1 Y1/W2 24 VAC HOT R R R Y1 24 VAC COMM C C C 24 VAC COMM C C C N/A B HUM N/A B S1 OUTDOOR OUTDOOR S1 SENSOR SENSOR S2 CONNECTION CONNECTION S2 S
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MODEL 2S SINGLE-SPEED THERMOSTAT EASY SELECT HEAT PUMP TERMINAL BOARD DH J1 MODEL 2S TYPICAL TWO-SPEED JUMPER THERMOSTAT FAN COIL HEAT PUMP 24 VAC HOT R R R 24 VAC HOT R R FAN G G R FAN G G COOL/HEAT Y/Y2 Y/Y2 Y STAGE 1 REMOVE HEAT STAGE 3 W/W1 W2 HEAT STAGE 2 W/W1 W1 W2 J2 JUMPER FOR HEAT W3 STAGING COOL/HEAT Y/Y2 HEAT STAGE 3 Y1/W2 W2 W2 STAGE 2 Y2 E RVS COOLING O/W2 RVS COOLING O/W2 O O O * Y COOL/HEAT Y1/W2 Y1 STAGE 1 Y1 24 VAC COMM C C C W3 24 VAC COMM C C N/A B C N/A B OUTDOOR S1 See notes
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MODEL 2S TWO-SPEED THERMOSTAT EASY SELECT HEAT PUMP MODEL 2S TWO-SPEED TERMINAL BLOCK THERMOSTAT EASY SELECT AIR CONDITIONER TERMINAL BOARD DH J1 JUMPER DH J1 24 VAC HOT R R R JUMPER 24 VAC HOT R R R FAN G G FAN G G COOL/HEAT Y1/W2 Y1 Y1 STAGE 1 COOL STAGE 1 Y1/W2 Y1 Y1 RVS COOLING O/W2 O O COOL STAGE 2 Y/Y2 Y/Y2 Y2 COOL/HEAT Y/Y2 Y/Y2 Y2 STAGE 2 REMOVE HEAT STAGE 1 W/W1 W1 J2 JUMPER FOR HEAT HEAT STAGE 3 W/W1 W1 W2 STAGING J2 JUMPER HEAT STAGE 2 O/W2 W2 W2 W3 O 24 VAC COMM C C C 24 VAC COMM C
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SPLICE HEATER MODEL HP BOX CONTROL BOX SPLICE HEATER THERMOSTAT MODEL HP BOX CONTROL BOX THERMOSTAT YEL COOL STAGE 1 Y/Y2 YEL COOL/HEAT Y/Y2 STAGE 1 GRN FAN G ORN RVS COOLING O/W2 WHT HEAT STAGE 1 W/W1 WHT N/A Y1/W2 RED (TRAN) N/A Y1/W2 PNK WHT W/W1 HEAT STAGE 2 WHT VIO O/W2 HEAT STAGE 2 GRN FAN G RED 24 VAC HOT R RED RED 24 VAC HOT R BRN 24 VAC COMM C BRN BRN 24 VAC COMM C BRN N/A B N/A B OUTDOOR S1 See notes 2, 10, 11, and 12 OUTDOOR S1 SENSOR See notes 3, 11, and 12 SENSOR CONNECTION S2 CONNE
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→ WIRING DIAGRAM NOTES 1. The AC model thermostat can only control 1-stage cool and 1-stage heat. Dip Switch-C on has no controlling function and can either be ON or OFF. 2. HP and 2S model thermostat MUST have Dip Switch-C ON when installed in air conditioner applications. If required, second-stage heat is controlled by O/W2. Refer to indoor equipment Installation Instructions for proper setup. 3. HP and 2S model thermostat MUST have Dip Switch-C OFF when installed in heat pump applications. Th
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→ OPERATIONAL INFORMATION Five-minute Compressor Timeguard This timer prevents the compressor from starting unless it has been off for at least 5 minutes. It can be defeated for 1 cycle by simultaneously pressing the FAN mode button and the INCREASE TEMPERATURE button. Fifteen-minute Cycle Timer This timer prevents the start of a heating or cooling cycle until at least 15 minutes after the last start of the same cycle. Its function is to assure that equipment is not cycled more than 4 times per
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PROGRAMMABLE THERMOSTAT CONFIGURATION RECORD Date Owner/Operator Thermostat Model No. A) Hardware Configuration Switch A Zoning Selection. (OFF = Disable, ON = Enable) Switch B Smart Recovery. (OFF = Enable, ON = Disable) Switch C Heat Pump Operation. (OFF = Enable, ON = Disable) Switch D Intelligent Heat Staging. (OFF = Disable, ON = Enable) B) Mode Settings Hold (On or Off) Mode (Off, Heat, Cool, Auto, Eheat) Heating Set Point Value Cooling Set Point Value Fan (Auto or On
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SERVICE TRAINING Packaged Service Training programs are an excellent way to increase your knowledge of the equipment discussed in this manual, including:
• Unit Familiarization • Maintenance
• Installation Overview • Operating Sequence
A large selection of product, theory, and skills programs is available, using popular video-based formats and materials. All include video and/or slides, plus companion book.
Classroom Service Training plus "hands-on" the products in our labs can mean
