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400-280-014-A (TH146-P-2H1C) ENG.fm Page 1 Wednesday, May 23, 2007 4:12 PM
TH146-P-2H1C
Installation Guide
Programmable 2H1C Controller
Removable Removable
Connector * Connector *
AC144-03 Outdoor
Temperature Sensor
TH146-P User Console
CT280-2H1C Control Module
* To remove a connector from the control module, pry with a screwdriver.
1. Introduction 2. Installation
1.1 Applications 2.1 Control Module (CT280-2H1C)
The TH146-P-2H1C programmable controller can be used with any Configure the cont
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400-280-014-A (TH146-P-2H1C) ENG.fm Page 2 Wednesday, May 23, 2007 4:12 PM Install the sensor on the side of the plenum and Choose a location about 1.5 m (5 ft) above the floor on an position it such that its aperture faces the air inside wall. flow. Loosen the captive screw under the console. Connect the sensor to controller terminals PS Detach the console from its base by pulling the bottom section. and CS (no polarity). For more information, refer to the instructions provided with the
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400-280-014-A (TH146-P-2H1C) ENG.fm Page 3 Wednesday, May 23, 2007 4:12 PM 4.4 Types of Heat Pump Installations 4. Principles of Operation The controller can be configured for either of the following types of heat pump installations (see page 8, item 8). 4.1 Automatic Heating/Cooling Changeover • Add-on Installation: This type of installation is performed when adding a heat pump to an existing furnace. When the With automatic heating/cooling mode changeover, there’s no need heat pump is insta
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400-280-014-A (TH146-P-2H1C) ENG.fm Page 4 Wednesday, May 23, 2007 4:12 PM Wiring Tables Heat Pump Terminal Device 1H1C 2H1C TH Console Connect the console between the TH terminals (no polarity) TH PS Plenum sensor Connect the plenum sensor between the PS and CS terminals (no polarity) CS Common S Common terminal for the plenum sensor and the outdoor sensor OS Outdoor sensor Connect the outdoor sensor between the CS and OS terminals (no polarity) DE Dual Energy Connect the dual-register meter
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400-280-014-A (TH146-P-2H1C) ENG.fm Page 5 Wednesday, May 23, 2007 4:12 PM Wiring Diagram: 2H1C Heat Pump — New Installation Compressor AC146-410 Auxiliary Heat AC144-03 Reversing Valve Dual Energy CT241 Fan Humidifier Fault Defrost TH146-P-2H1C 400-280-014-A 5/23/07 5/11
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400-280-014-A (TH146-P-2H1C) ENG.fm Page 6 Wednesday, May 23, 2007 4:12 PM Wiring Diagram: 2H1C Heat Pump — Add-on Installation Compressor AC146-410 Reversing Valve AC144-03 Fault Dual Energy CT241 Defrost Humidifier Furnace TH146-P-2H1C 400-280-014-A 5/23/07 6/11 Fan Limit
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400-280-014-A (TH146-P-2H1C) ENG.fm Page 7 Wednesday, May 23, 2007 4:12 PM Wiring Diagram: 1H1C HVAC Cooling Unit AC146-410 Heating Unit AC144-03 Fan CT241 Humidifier TH146-P-2H1C 400-280-014-A 5/23/07 7/11
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400-280-014-A (TH146-P-2H1C) ENG.fm Page 8 Wednesday, May 23, 2007 4:12 PM Configuration Menu Item HP HVAC Parameters Display Options Default Description 12 Hr / 24 1 √√ Time format 24 Hr Select the time display format. Hr • On: Heating or cooling starts in advance (as determined by the con- troller) so that the desired temperature is attained at the set times. • OF (Off): Heating or cooling starts at the set times. 2 √√ Early Start On / OF OF NOTE: Early Start applies for periods 1 and 3 (
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400-280-014-A (TH146-P-2H1C) ENG.fm Page 9 Wednesday, May 23, 2007 4:12 PM TH146-P-2H1C User’s Guide Programmable H/C Controller Indicator LEDs Indicator LEDs FAULT: System fault Day Time and day setting EH: Emergency heat mode Temperature DE: Dual energy adjustment Programming mode selection Clock Fan operating Backlight Program day selection Indoor temperature mode selection The screen is lit for 12 seconds Program clear System operating when any button is pressed. Indoor humidity mode s
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400-280-014-A (TH146-P-2H1C) ENG.fm Page 10 Wednesday, May 23, 2007 4:12 PM point is 22°C (72°F) and you set the heating setpoint to 23°C (73°F), Temperature Adjustment 6.3 the cooling setpoint will automatically become 24°C (75°F). How- ever, if you raise the heating setpoint to 21°C (70°F), the cooling 6.3.1 Manual Adjustment setpoint will remain at 22°C (72°F). The same principle applies Use this mode to set the temperature manually. To place the con- when you set the cooling temperature.
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400-280-014-A (TH146-P-2H1C) ENG.fm Page 11 Wednesday, May 23, 2007 4:12 PM TH146-P USER CONSOLE 7. Humidity Setting Temperature setpoint range Heating mode: 5°C to 30°C (40°F to 86°F) 7.1 Cooling mode: 15°C to 40°C (59°F to 104°F) Display Humidity setpoint range: 5 to 60% Indoor temperature display range: 0°C to 70°C (32°F to 158°F) Outdoor temp. display range: -50°C to 70°C (-58°F to 158°F) Temperature display resolution: 0.5°C (1°F) Program protection: non-volatile memory Operating tempera
