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PAGE 26
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Cooling Mode Sequence of Operation
1
Discharge Temperature Sensor (Td)
The temperature of the compressor discharge hot gas will
be monitored by the Discharge Temperature Sensor. If the
sensor reads too hot or cool, the frequency/status of the
operation will be adjusted accordingly.
The hot gas will leave the oil separator and enter the
4-way valve, which directs the hot gas to the outdoor coil.
The refrigerant will condense in the outdoor coil and be
subcooled. The refrigerant is now in a liquid state.
Outdoor Heat Exchanger (Coil) Temperature Sensor (Tc)
This sensor monitors the temperature of the outdoor coil
during condensing operation. If abnormal condensing
temperature is detected, the outdoor fan motor speed or
compressor frequency may be adjusted.
Outdoor Ambient Temperature Sensor (Ta)
The outdoor air temperature will be monitored by the PCB.
If the outdoor air temperature rises or falls, the speed of the
outdoor fan may be changed.
4
Liquid Pipe Temperature Sensor (Tc2)
The Liquid Pipe Sensor will monitor the temperature of the
refrigerant leaving the EEV.
The low pressure low temperature refrigerant will enter the
mixed phase liquid line and travel to the indoor unit. Heat
from the indoor air passing across the evaporator coil will
transfer to the cold refrigerant, sending cool air into the
space and changing the liquid refrigerant into a cool vapor.
The cold vapor will travel down the vapor line and return to
the outdoor unit via a path through the gas stop valve.
5
Gas Pipe Temperature Sensor (Tc1)
The Gas Pipe Sensor will monitor the temperature of the
gas pipe to calculate the dierence between Liquid Pipe
Temperature and Gas Pipe Temperature. If a change in
EEV port opening size is needed, the EEV will make a small
adjustment.
The vaporized refrigerant enters the 4-way valve and travels
to the vapor line accumulator. The accumulator will trap any
liquid refrigerant if present to prevent it from entering the
compressor.
The vapor will exit the accumulator and enter the
compressor. This cycle will repeat until the demand for
cooling ends.
6
Suction Temperature Sensor (Ts)
The temperature of the suction gas entering the compressor
is monitored by the Suction Temperature Sensor. Before
stopping operation, the EEV may open to feed more
refrigerant or close to warm up the line.
The demand becomes less as the indoor temperature drops
toward the desired temperature, so the compressor will
reduce speed. When the set temperature is reached, the
compressor and outdoor fan will shut o. The circulating fan
of each indoor unit continues to run.
2
3
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 |
