8
2.2 Unit operating range
Cooling Heating
2.3 Unit operating conditions
Item
Contents
Power supply voltage
Within ±10% of the rated voltage
Power supply frequency
Within ±1% of rated frequency
Phase imbalance
Voltage difference between two phases of the power supply is less than 2% of the rated
voltage
Chilled water flow
Within ±30% of the rated water flow
Chilled water pressure
Below 0.7MPa
Chilled water quality
Free from corrosive copper, iron, dissolved matters of welding materials
Installation site
Provided with snow protection and ventilation
Ambient temperature
Refer to the above diagram (operating range).
Relative humidity
Below 90%
Optimal operating temperature 12
℃
for cooling, 40
℃
for heating
Note: This operating range is measured according to GB/T 18430.1, rated water flow laboratory, and is
the maximum operating range of the unit. If it exceeds this range, it can only be operated briefly,
otherwise there will be unit failure alarm or damage.
Содержание CA0065EANR
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