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Haier HC4291VAR Инструкция по эксплуатации онлайн [14/16] 618635
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Run or start capacitor defective Replace
Loose connection Check and tighten all connections.
Condenser fan runs, Compressor stuck, grounded or open Wait for 2 hours for overload to reset.
compressor doesn't motor winding, open internal overload Replace compressor if still open.
Low voltage condition At compressor terminals, voltage must be within 10% of rating
plate volts when unit is running.
Low voltage condition Add start kit components
Incorrect voltage At compressor terminals, voltage must be within 10% of rating
Compressor plate volts when unit is running.
short-cycling Defective overload protector Replace - check for correct voltage
Refrigerant undercharge Add refrigerant
Register sweat Low evaporator airflow Increase blower speed or reduce restriction - replace air filter
Restriction in liquid line, Replace defective components
High head - Low metering device or filter drier
vapor pressures Flowrator piston size too small Change to correct size piston
Incorrect capillary tubes Change coil assembly
Blocked outdoor coil Clear away leaves and other debris
High head - High Refrigerant overcharge Correct system charge
or normal vapor Condenser fan not running Repair or replace
pressures Air, non-condensibles or Recover refrigerant, evacuate &
moisture in system recharge, add filter drier
Low head - High Flowrator piston size too large Change to correct size piston
vapor pressures Defective compressor valves Replace compressor
Incorrect capillary tubes Replace coil assembly
Low vapor - cool Low evaporator airflow Increase blower speed or reduce restriction - replace air filter
compressor - iced Operating below 65 F outdoors Add low ambient kit
evaporator coil Moisture in the system Recover refrigerant, evacuate & recharge, add filter drier
High vapor Excessive load Recheck load calculation
pressure Defective compressor Replace
Fluctuating head Air or non-condensibles in system Recover refrigerant, evacuate & recharge.
and vapor pressures
Pulsing noise at Air or non-condensibles in system Recover refrigerant, evacuate & recharge
metering device
or liquid line
Symptom Possible Cause Remedy
Power off or loose electrical connection Make sure main switch is ON. Check and tighten all connections.
Incorrect thermostat setting Set thermostat correctly
No cooling Defective contactor Check for 24V at contactor coil.
Open circuit breaker of blown fuses Reset or replace
Defective transformer Check wiring - Replace it.
Interconnecting low voltage wiring damage Replace thermostat wiring
Dirty filters Clean & replace
Indoor air blockage Check supply registers and return grills for blockage.
Blocked outdoor coil Clear away leaves and other debris
Improperly sized unit Recalculate load
Insufficient Cooling Improper airflow Check - should be 400CFM/Ton
Incorrect refrigerant charge Charge correctly per instruction.
Air, non-condensibles or moisture in system Recover refrigerant, evacuate & recharge, add filter drier
Incorrect voltage At compressor terminals, voltage must be within
10% of rating plate volts when unit is running.
Water on floor or in
furnace Blocked condensate drain and "P" trap Remove blockage
11
Содержание
- Central air conditioner 1
- Installation operation manual 1
- Warning 2
- Table of content 3
- Introduction 4
- Nomenclature for model number 4
- Specification 4
- Model hc18 6091var table 1 5
- Equipment protection from environment 6
- Installation 6
- Unit inspection 6
- Do not allow the vapor line and liquid line to touch together this would cause an undesirable heat transfer resulting in capacity loss and increased power consumption 8
- Figure 3 8
- Line insulation suction line requires insulation in order to prevent condensation from forming on the piping and to prevent heat gain caused by surrounding air generally 3 8 wall thickness of armflex or equivalent is satisfactory in severe application hot high humidity areas greater thickness may be required apply the line insulation by sliding it on the sealed tuing before cutting and making connections 8
- Liquid line does not necessarily need insulation however if they are exposed to high ambient temperatures i e kitchen boiler rooms hot attics rooftop surface then they should be insulated make sure to use the proper size tubing for the liquid line to prevent liquid refrigerant flashing to a vapor within the liquid line 8
- Electrical wiring 11
- System startup 12
- Miscellaneous 13
- Operation 13
- Air conditioner wiring diagram 15
- Color codes bk black bl blue gy gray br brown gr green or orange pu purple rd red vi violet wh white yl yellow 15
- Component codes bcr blower control relay bcap run capacitor blower motor cc compressor contactor cch crankcase heater optional chs crankcase heater switch optional cmpr compressor hps high pressure switch lps low pressure switch ibm indoor blower motor ofm outdoor fan motor rcap run capacitor compressor rvs reversing valve solenoid stcap start capacitor optional strly start relay optional strth start thermistor optional tran transformer 230 208 selectable 15
- Compressor 15
- Compressor protect 3 min time delay 15
- Ha cool off heat 15
- Hc18 6091var 15
- L2 gnd 15
- Line voltage factory standard field installed optional low voltage factory standard field installed optional 15
- Optional low high pressure switches 15
- Use copper conductors only warning cabinet must be permanently grounded and all wiring to conform to i e c n e c c e c c l c and local codes as applicable replacement wire must be the same gage and insulation type as original wire 15
- Vac common 15
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