Unit Operating Range And Service Condition - Haier CA0035EAND Service Manual

13. Unit Operating Range and Service Condition

Unit Service Conditions
■
1. Unit operating range
5 7.5
48
45
Ambient
temperature
40
(°C)
35
30
25
20
Water outlet temperature (°C)
2. Service 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:
the operating range based on GB/T 18430.1, and the rated water flow is obtained from lab. If theunit exceeds the
maximum operating range, it only can run for a short time, otherwise the unit may send fault alarm or be damaged.
Cooling
10 12.5 15
45
40
35
30
25
20
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%
Heating
30 35 40
25
20
15
10
Ambient
temperature
(°C)
5
0
-5
-10
30 35 40
Water outlet temperature (°C)
Contents
48
45 50 55
25
20
15
10
5
0
-5
-10
45 50 55