Carrier 25HPA6 Скачать руководство пользователя страница 16 | Manualshive

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Carrier 25HPA6 Скачать руководство пользователя страница 16

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Copyright 2009 Carrier Corp.

S

7310 W. Morris St.

S

Indianapolis, IN 46231

Printed in U.S.A.

Edition Date: 05/09

Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.

Catalog No: 25HPA6---1SI

Replaces: New

25H

PA

6

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Содержание 25HPA6

Страница 1: ...mation This is the safety alert symbol When you see this symbol on the unit and in instructions or manuals be alert to the potential for personal injury Understand these signal words DANGER WARNING and CAUTION These words are used with the safety alert symbol DANGER identifies the most serious hazards which will result in severe personal injury or death WARNING signifies hazards which could result...

Страница 2: ... presale literature There can be no deviation Consult the Service Manual Air Conditioners and Heat Pumps Using Puron Refrigerant to obtain required unit changes for specific applications and for R 22 retrofit Check Equipment and Job Site Unpack Unit Move to final location Remove carton taking care not to damage unit Inspect Equipment File claim with shipping company prior to installation if shipme...

Страница 3: ...IMPORTANT Flow arrow must point toward outdoor unit Make Piping Connections WARNING PERSONAL INJURY AND UNIT DAMAGE HAZARD Failure to follow this warning could result in personal injury or death Relieve pressure and recover all refrigerant before system repair or final unit disposal Use all service ports and open all flow control devices including solenoid valves CAUTION UNIT DAMAGE HAZARD Failure...

Страница 4: ...EQUIRED FOR LONG LINE APPLICATIONS Over 80 ft 24 38 m REQUIRED FOR SEA COAST APPLICATIONS Within 2 miles 3 22 km Crankcase Heater Standard Standard Standard Evaporator Freeze Protection Standard with Infinityt Control Low Ambient not allowed with non communicating thermostat No No Liquid Line Solenoid Valve No Yes No Low Ambient Control Standard with Infinity Control Low ambient not allowed with n...

Страница 5: ...frigerant tubing and indoor coil are now ready for leak testing This check should include all field and factory joints Evacuate Refrigerant Tubing and Indoor Coil CAUTION UNIT DAMAGE HAZARD Failure to follow this caution may result in equipment damage or improper operation Never use the system compressor as a vacuum pump Refrigerant tubes and indoor coil should be evacuated using the recommended d...

Страница 6: ...ovide blower operation to match the capacities of the compressor during high and low stage cooling operation Tap selections on the furnace control board enable the installing technician to select the proper airflows for each stage of cooling Below is a brief summary of the furnace airflow configurations 1 The Y2 call for high stage cooling energizes the Cool tap on the control board The grey wire ...

Страница 7: ...f 2 minutes in low stage adjust the set point at least 5 F 2 8 C below room ambient System Functions And Sequence Of Operation The 25HPA6 models utilize either an Infinity Communicating User Interface or a 2 stage cooling indoor thermostat With a call for first stage cooling the outdoor fan and low stage compressor are energized If low stage cannot satisfy cooling demand high stage is energized by...

Страница 8: ...ing of the by pass port is controlled by an internal electrically operated solenoid The modulated scroll uses a single step of unloading to go from full capacity to approximately 67 capacity A single speed high efficiency motor continues to run while the scroll modulates between the two capacity steps Modulation is achieved by venting a portion of the gas in the first suction pocket back to the lo...

Страница 9: ...nt temperature The outdoor fan output ODF will remain off for 20 seconds after termination This delay will allow time for the system to capture the heat from the outdoor coil and reduce the steam cloud effect that may occur on transition from defrost to heating cycle The outdoor fan output OFF delay of 20 seconds may be defeated to enable the fan to energize immediately at the time of termination ...

Страница 10: ...ot use chart to adjust refrigerant charge NOTE In heating mode check refrigerant charge only when pressures are stable If in doubt remove charge and weigh in correct refrigerant charge NOTE When charging is necessary during heating season charge must be weighed in accordance with unit rating plate 0 6 oz ft 17 74 g m of 3 8 in liquid line above or below 15 ft 4 57 m respectively EXAMPLE To calcula...

Страница 11: ...is no 230v at the compressor contactor s when the indoor unit is powered and cooling or heating demand exists the appropriate fault code is displayed Verify the disconnect is closed and 230v wiring is connected to the unit Compressor Voltage Sensing The control board input terminals labeled VS and L2 see Fig 6 are used to detect compressor voltage status and alert the user of potential problems Th...

Страница 12: ...ating conditions The comparison is S In cooling if the outdoor air sensor indicates 10_F 5 6_C warmer than the coil sensor or the outdoor air sensor indicates 20_F 11_C cooler than the coil sensor the sensors are out of range S In heating if the outdoor air sensor indicates 35_F 19 4_C warmer than the coil sensor or the outdoor air sensor indicates 10_F 5 6_C cooler than the coil sensor the sensor...

Страница 13: ...nect is closed and 230v wiring is connected to the unit Outdoor Air Temp Sensor Fault 53 Outdoor air sensor not reading or out of range Ohm out sensor and check wiring Outdoor Coil Sensor Fault 55 Coil sensor not reading or out of range Ohm out sensor and check wiring Thermistors out of range 56 Improper relationship between coil sensor and outdoor air sensor Ohm out sensors and check wiring Low S...

Страница 14: ...2 Y1 Heat Cool Stage 2 Y Y2 Y Y2 Y Y2 Fan G G 24VAC Hot Heating Rh R R 24VAC Hot Cooling Rc Dry Contact 1 D1 Dry Contact 2 D2 DHUM 24VAC Common C COM C Humidify HUM Outdoor Air Temp OAT Remote Room Sensor RRS OAT RRS Com SRTN Outdoor Sensor Humidifier Solenoid Valve Remote Room Sensor Variable Speed Furnace Thermidistat 2 Stage Heat Pump Indicates connection may not be required available Heat Stag...

Страница 15: ...ing into suction line with compressor operating 10 Manifold sets should be 700 psig high side and 180 psig low side with 550 psig low side retard 11 Use hoses with 700 psig service pressure rating 12 Leak detectors should be designed to detect HFC refrigerant 13 Puron refrigerant as with other HFCs is only compatible with POE oils 14 Vacuum pumps will not remove moisture from oil 15 Do not use liq...

Страница 16: ...10 W Morris St S Indianapolis IN 46231 Printed in U S A Edition Date 05 09 Manufacturer reserves the right to change at any time specifications and designs without notice and without obligations Catalog No 25HPA6 1SI Replaces New 25HPA6 ...

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