Airwell YCV280, Installation And Maintenance Instructions Manual

Page: 297 / 412

Note 1: Temp. difference between air inlet and air outlet Standard
A. In cooling mode, after running for at least 30 minutes, it is normal that the temp. difference between
air inlet and air outlet is over 10 , (at max. frequency)
B. In heating mode, after running for at least 30 minutes, it is normal that the temp. difference between
air inlet and air outlet is over 14 , (at max. frequency).
Note 2: Running current standard
It is normal that the running current is in the range of rated current
(at max. frequency) . The
current will be different for the below condition:
if more than the rated current: high indoor/outdoor temp. ; outdoor bad ventilation (cooling mode),
indoor bad ventilation (heating mode).
if lower than rated current: low indoor/outdoor temp.; refrigerant leakage (lack of refrigerant).
Note 3: Running pressure standard
indoor 18~32
outdoor 25~35
indoor 15~25
outdoor 5~10
cooling
(at max. frequency)
heating
(at max. frequency)
high pressure 2.0~3.5MPa
low pressure 0.6~1.0MPa
high pressure 2.2~2.8MPa
low pressure 0.3~0.8MPa
The above value is measured after running for 15 minutes (ambient temp. is DB )
High/low pressure changing trend due to the running condition:
Cooling/heating:
indoor temp. goes up---high/low pressure goes up
indoor temp. goes down---high/low pressure goes down
outdoor temp. goes up---high/low pressure goes up
outdoor temp. goes down---high/low pressure goes down
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