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1 Service Information
1.1. Operation range
1.1.1. 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.
1.1.2. Indoor and outdoor temperature
• Model 50Hz CU-L24DBE5, CU-L28DBE5, CU-L34DBE5, CU-L43DBE5, CU-L50DBE5, CU-L50DBE8
MODEL Unit Main Power Applicable Voltage
CU- Phase, Volts Hz Max Min
L24DBE5
L28DBE5
L34DBE5
L43DBE5
L50DBE5
1~240 50 264 216
1~220 50 242 198
1~230 50 253 207
1~240 50 264 216
L50DBE8 3N~380 50 418 342
3N~400 50 440 360
3N~415 50 457 374
Operating Hz Indoor Temp. (D.B./W.B.) (°C) Outdoor Temp. (D.B./W.B.) (°C)
MaxMinMaxMin
Cooling 50 32/23 21/15 43/- -15/-
Heating 50 27/- 16/- 24/18 -20/-