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1.4. Operation range
1.4.1. Power Supply
The applicable voltage range for each unit is given in the following table. The working voltage among the three phases must be
balanced within a 3% deviation from each voltage at the compressor terminals. The starting voltage must be higher than 85% of the
rated voltage.
1.4.2. Indoor and Outdoor Temperature
• Model 50Hz CU-J24DBE5 CU-J28DBE5 CU-J34DBE5 CU-J28DBE8 CU-J34DBE8 CU-J43DBE8 CU-J50DBE8
* -10°C is possible in non-residential computer rooms, etc., where the temperature is not less than 21°C and humidity is not more
than 45%.
MODEL Unit Main Power Applicable Voltage
CU- Phase, Volts Hz Max Min
J24DBE5 1~220 50 242 198
J28DBE5 1~230 50 253 207
J34DBE5 1~240 50 264 216
J28DBE8 3N~380 50 418 342
J34DBE8 3N~400 50 440 360
J43DBE8 3N~415 50 457 374
J50DBE8
Operating Hz Indoor Temp. (D.B./W.B.) (°C) Outdoor Temp. (D.B./W.B.) (°C)
Max Min Max Min
Cooling 50 32/23 21/15 43/- -10/-*
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