Table of Contents
Advertisement
12. Unit operating range and service condition
12.1 Unit operating range
12.2
Unit operating conditions
Item
Power supply voltage
Power supply frequency
Phase imbalance
Chilled water flow
Chilled water pressure
Chilled water quality
Installation site
Ambient temperature
Relative humidity
Optimal operating temperature 12°C for cooling, 40°C 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.
Within ±10% of the rated voltage
Within ±1% of rated frequency
Voltage difference between two phases of the power supply is less than
2% of the rated voltage
Within ±30% of the rated water flow
Below 0.7MPa
Free from corrosive copper, iron, dissolved matters of welding materials
Provided with snow protection and ventilation
Refer to the above diagram (operating range).
Below 90%
46
Contents
Advertisement
Table of Contents
