Carrier 25HPA6 - Manuals - manualsarea.com

Page 2 - Check Equipment and Job Site; Unpack Unit; Install on a Solid, Level Mounting Pad; NOTE; Clearance Requirements

2 INSTALLATION RECOMMENDATIONS NOTE : In some cases noise in the living area has been traced to gas pulsations from improper installation of equipment. 1. Locate unit away from windows, patios, decks, etc. where unit operation sound may disturb customer. 2. Ensure that vapor and liquid tube diameter...

Page 3 - CAUTION; Make Piping Connections; WARNING; Outdoor Unit Connected to Factory--Approved Indoor

3 Operating Ambient The minimum outdoor operating ambient in cooling mode is 55 _ F (12.78 _ C) without low ambient cooling enabled, and the maximum outdoor operating ambient in cooling mode is 125 _ F (51.67 _ C). At line voltage of 208v (or below) and an outdoor ambient of 120 _ F (48.9 _ C) (and ...

Page 4 - Table 2 – Accessory Usage; Yes

4 Table 1 – Refrigerant Connections and Recommended Liquid and Vapor Tube Diameters (in.) UNIT SIZE LIQUID RATED VAPOR* Connection Diameter Tube Diameter Connection Diameter Tube Diameter 25HPA624 3/8 3/8 3/4 3/4 25HPA636 3/8 3/8 7/8 7/8 25HPA648 3/8 3/8 7/8 1 --- 1/8 25HPA660 3/8 3/8 7/8 1 --- 1/8 ...

Page 5 - UNIT DAMAGE HAZARD; UNIT DAMAGE HAZARD; LEAK IN; MI; Make Electrical Connections; ELECTRICAL SHOCK HAZARD

5 Install Liquid--Line Filter Drier Indoor Refer to Fig. 3 and install filter drier as follows: 1. Braze 5--in. (127 mm) liquid tube to the indoor coil.2. Wrap filter drier with damp cloth.3. Braze filter drier to above 5--in. (127 mm) liquid tube. Flow arrow must point towards indoor coil. 4. Conne...

Page 6 - Route Ground and Power Wires; Connect Ground and Power Wires; IMPORTANT; Compressor Crankcase Heater

6 NOTE : Operation of unit on improper line voltage constitutes abuse and could affect unit reliability. See unit rating plate. Do notinstall unit in system where voltage may fluctuate above or belowpermissible limits. NOTE : Use copper wire only between disconnect switch and unit. NOTE : Install br...

Page 7 - Follow these steps to properly start up the system:; System Functions And Sequence Of Operation; Communication and Status Function Lights

7 Airflow Selection for FV4C Fan Coils Using Non--Communicating (Non--Infinity) Thermostats The FV4C provides high-- and low--stage blower operation tomatch the capacities of compressor at high-- and low--stage. To select recommended airflow, refer to FV4C Installation Instructions. The FV4C utilize...

Page 9 - GENERAL INFORMATION; Infinity Controlled low ambient cooling:; Accessory Liquid Solenoid with Infinity Communicating

9 GENERAL INFORMATION Infinity Controlled low ambient cooling: This unit is capable of low ambient cooling down to 0 ° F (--17.8 ° C) without a kit ONLY when using an Infinity Control. A lowambient kit is not required for Infinity controlled low ambient operation. The Infinity Control provides an au...

Page 10 - Check Charge

10 output is provided at the Y1 connection. Connect the solenoid asshown in the wiring label diagram. This is a 24vac output that is energized whenever the compressor is energized. It closes, in thecompressor off mode, to prevent refrigerant migration into the unit through the liquid--line. On Syste...

Page 12 - Thermistor Sensor Comparison

12 2. If the expected result is not achieved, remove the solenoid plug from the compressor and with the unit running and the User Interface or thermostat calling for high stage, test thevoltage output at the plug with a DC voltmeter. The read-ing should be 24 volts DC. 3. If the correct DC voltage i...

Page 13 - Status Codes; EXAMPLE; OPERATION

13 Status Codes Table 4 shows the status codes flashed by the amber status light.Most system problems can be diagnosed by reading the status code as flashed by the amber status light on the control board.The codes are flashed by a series of short and long flashes of the status light. The short flash...

Page 14 - Variable Speed Furnace and 2-- Stage Heat Pump

14 RVS/Heat Stage 2 O/B W 2 Heat Stage 1 W /W 1 Compressor Low Y1 Compressor High Y/Y2 Fan G 24VAC Hot Heating Rh 24VAC Hot Cooling Rc Dry Contact 1 D1 Dry Contact 2 D2 24VAC Common C Humidify HUM Outdoor Air Temp OAT Remote Room Sensor RRS OAT/RRS Com OAT/RRS Outdoor Sensor * Humidifier Solenoid Va...

Carrier 25HPA6 - Manuals

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Manual Carrier 25HPA6

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