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4
1.5.
Operation range
1.5.1.
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.
balanced within a 3% deviation from each voltage at the compressor terminals. The starting voltage must be higher than 85% of the
rated voltage.
1.5.2.
Indoor and Outdoor Temperature
• Model 50Hz CU-B24DBE5 CU-B28DBE5 CU-B28DBE8 CU-B34DBE5 CU-B34DBE8 CU-B43DBE8 CU-B50DBE8
* -10
°C is possible in non-residential computer rooms, etc., where the temperature is not les than 21°C and humidity is not more
than 45%.
MODEL
Unit Main Power
Applicable Voltage
CU-
Phase, Volts
Hz
Max
Min
B24DBE5
1~220
50
242
198
B28DBE5
1~230
50
253
207
B34DBE5
1~240
50
264
216
B28DBE8
3N~380
50
418
342
B34DBE8
3N~400
50
440
360
B43DBE8
3N~415
50
457
374
B50DBE8
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/-*
Heating
50
27/-
16/-
24/18
-10/-
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