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Abnormality Conrmation ApproachesAbnormality Conrmation Approaches
1. Indoor temperature sensor abnormality:
Under the operation, the normal temperature ranges from
120°F to -30°F. When the temperature goes beyond this
range, the abnormality can be conrmed. If the temperature
goes back into the range, the system will automatically
resume.
2. Indoor heat interaction sensor abnormality:
Under the operation, the normal temperature ranges from
120°F to -30°F. When the temperature goes beyond this
range, the abnormality can be conrmed. If the temperature
goes back into the range, the system will automatically
resume.
3. Indoor/Out door malfunction:
When the indoor system receives the outdoor malfunction
codes, it will store the code into E2 for the malfunction
list resume. The indoor system will continue to operate
according to the original status, the malfunction code will
not be revealed or processed.
4. Transmission abnormality:
If the indoor system can’t receive the outdoor system for 8
minutes, the communication abnormality can be conrmed
and reported and the outdoor system will be stopped.
Low Load Protection Control
In order to prevent frosting of the indoor coil, the outdoor
system will be stopped if the indoor coil temperature is
32°F for 5 minutes, but the fan will continue to operate.
The outdoor system will be started again when the indoor
coil is above 50°F, and the system has been stopped for 3
minutes. The malfunction will be stored in the malfunction
memory and will not be displayed.
High Load Protection Control
The system will be stopped if the indoor coil temperature is
above 149°F for 2 minutes. The indoor fan will be controlled
by the thermostat. The outdoor system can be restarted
when the indoor coil temperature is below 108°F and the
system has been stopped for 3 minutes. The malfunction
will be stored in the malfunction memory and will not be
displayed.
When the Compressor First Starts
The compressor will start in low frequency. After a brief time
delay, the compressor will come up to operating speed to
meet the demand requirement for capacity.
The Outdoor Fan Control (Exchange Fan)
When adjusting the fan speed, the unit should remain
at each speed for 30+ seconds to avoid speed-change
malfunctions. In Cooling Mode, the wait time between
speed levels should be 15 seconds.
The Outdoor Fan Control When In Cooling or Dehumidifying
Mode
Five seconds after compressor starts, the outdoor fan will
start running at medium speed. After 30 seconds, it begins
to control the fans peed according to the temperature
conditions of the outdoor environment.
The Control of the Outdoor Unit Expansion Valve
When unit starts, the EEV valves will energize and change
to a standard opening. When operation starts, the EEV will
change position to keep the suction vapor superheat level at
around 10°F.
When the unit is shut o the opening size of the expansion
valve of the indoor unit is 5 steps;
Four-Way Valve Control
For the details of defrosting four-way valve control, see the
defrosting process.
Under heating mode, the four-way valve opens. If the
compressor does not start or changes to a non-heating
mode, the compressor will be stopped for 2 minutes, and
then the four-way valve will shift.
Antifreezing Protection (Highwall Only)
Prevents freeze-up of the indoor coil
The indoor unit coil temperature sensor will shut o the
outdoor unit and begin a defrosting routine if the indoor coil
is below 32°F for more than 2 minutes. The indoor unit
will not report this operation. Once the indoor coil warms
up, the system will re-enter cooling mode and operate
normally, This protection cycle prevents the indoor coil from
developing ice coating during low heat load operation.
Recovery Malfunction Memory
Wired controller: the wired controller comes with a auto-
restart function (not separately set).
Remote controller: on/o status, mode, fan speed,
temperature setting, healthy, swing position.
If there is a timer or sleep function, it will be turned o when
powered on again, and the timer and sleep will be canceled.
Remark: Power o and power on, check if there is a wired
controller, if the wired controller executes the power-o
memory of the wired controller.
SW1-4(Wired controller)on, operative,
o, inoperative.
Functions and Control
Bekijk gratis de handleiding van Haier Arctic 2Q20RT2BEA, stel vragen en lees de antwoorden op veelvoorkomende problemen, of gebruik onze assistent om sneller informatie in de handleiding te vinden of uitleg te krijgen over specifieke functies.
Productinformatie
| Merk | Haier |
| Model | Arctic 2Q20RT2BEA |
| Categorie | Airco |
| Taal | Nederlands |
| Grootte | 72401 MB |
