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■ Unit Service Conditions
1. Unit operating range
2. Service 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: the operating range based on GB/T 18430.1& GB/T 18430.2, and the rated water flow is obtained
from lab. If the unit exceeds the maximum operating range, it only can run for a short time, otherwise the
unit may send fault alarm or be damaged.
T
echnical Parameters
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