Hitachi RAS-10HRNM, Service Manual, Page: 105 / 482

4.5.2 Wire sizes for ES Series
Field minimum wire sizes for the power source
Model Power Source Max. Current (A)
Power Source Cable Size Transmitting Cable Size
EN60 335-1 (2*) EN60 335-1 (2*)
All Indoor Units (1*)
230V/1φ/50Hz
5 0.75 mm
2
0.75 mm
2
RAS-2HVRN1E 13 1.5 mm
2
RAS-2.5HVRN1 16 2.5 mm
2
RAS-3HVRNS 18 2.5 mm
2
RAS-4HVRNS1E 18/24 4.0 mm
2
RAS-5HVRNS1E 26
6.0 mm
2
RAS-6HVRNS1E 26
RAS-8HRNSE
400V/3φ/50Hz
20
6.0 mm
2
0.75 mm
2
RAS-10HRNSE 23
N O T E
• (1*): Except RPI-8.0-10.0
• Follow local codes and regulations when selecting field wires.
• The above wire sizes marked with (2*) are selected at the maximum current of the unit according to the european
standard, EN60 335-1. Use wires not lighter than the ordinary neoprene (polychloroprene) sheathed flexible
cord (code designation H05RN-F).
• In the case that the power cables are connected in series, add each unit maximum current and select the wire
sizes in next table.
• The ground cable size must comply local code: IEC 245, No. 571.
4 Electrical Wiring
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SMGB0060 rev. 1- 12/2010
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