S-F18DB4E5, U-B18DBE5, S-F24DB4E5, U-B24DBE5, S-F28DB4E5, U-B28DBE5, S-F28DB4E5, U-B28DBE8, S-F34DB4E5, U-B34DBE5, S-F34DB4E5, U-B34DBE8, S-F43DB4E5, U-B43DBE8, S-F50DB4E5, U-B50DBE8 - Panasonic Air Conditioner Service Manual (repair manual). Page 5

Read Panasonic S-F18DB4E5 / U-B18DBE5 / S-F24DB4E5 / U-B24DBE5 / S-F28DB4E5 / U-B28DBE5 / S-F28DB4E5 / U-B28DBE8 / S-F34DB4E5 / U-B34DBE5 / S-F34DB4E5 / U-B34DBE8 / S-F43DB4E5 / U-B43DBE8 / S-F50DB4E5 / U-B50DBE8 Service Manual online

5
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 bal-
anced 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 U-B18DBE5 U-B24DBE5 U-B28DBE5 U-B28DBE8 U-B34DBE5 U-B34DBE8 U-B43DBE8 U-B50DBE8
* -10
qC is possible in non-residential computer rooms, etc., where the temperature is not les than 21qC and humidity is not more
than 45%.
MODEL
Unit Main Power
Applicable Voltage
U-
Phase, Volts
Hz
Max
Min
B18DBE5
1~220
50
242
198
B24DBE5
1~230
50
253
207
B28DBE5
1~240
50
264
216
B34DBE5
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.) (
qC)
Outdoor Temp. (D.B./W.B.) (
qC)
Max
Min
Max
Min
Cooling
50
32/23
21/15
43/-
-10/-*
Heating
50
27/-
16/-
24/18
-10/-
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