H-Link System - Hitachi RAS-5HVRNM1E Service Manual

4 Electrical Wiring
Wire size in relationship to the intensity
In case that the power cables are connected in series, add each unit maximum current and select according to the next
table.
Selection according to
EN60 335-1
Current I(A)
I ≤ 6
6 < I ≤ 10
10 < I ≤ 16
16 < I ≤ 25
25 < I ≤ 32
32 < I ≤ 40
40 < I ≤ 63
63 < I
—
N O T E
• (3*): In case that the current exceeds 63 A do not connect cables in series.
C A U T I O N
• Use shielded wires for transmission wires between the indoor and the outdoor units and connect the shielded
part to the ground screw in the electrical box of the indoor unit as shown below.
• Use wires not lighter than the ordinary neoprene (polychloroprene) sheathed flexible cord (code designation
H05RN-F).
Main switches types
Select the main switches (current breaker) in according to the next table:
Model
All Indoor Units (1*)
RAS-2HVRN1E
RAS-2.5HVRN1
RAS-3HVRNS
RAS-4HVRNS1E
RAS-5HVRNS1E
RAS-6HVRNS1E
RAS-8HRNSE
RAS-10HRNSE
N O T E
• (1*): (Except RPI-8.0-10.0).
• ELB: Earth leakage breaker.
• CB: Circuit breaker

4.5.3 H-LINK System

Compatibility
The combinations between units that use H-Link system with units that use H-Link II, and its respective remote controls, is
explained here.
98
SMGB0060 rev. 1- 12/2010
2
Wire Size (mm )
0.75
1
1.5
2.5
4
6
10
(3*)
—
Power Source Max. Current (A)
230V/1φ/50Hz
400V/3φ/50Hz
Selection according to
LFC (at cable Temp. Of 60 °C)
Current I(A)
1 ≤ 15
15 ≤ I < 18
18 < I ≤ 24
24 < I ≤ 34
34 < I ≤ 47
47 < I ≤ 62
62 < I ≤ 78
78 < I ≤ 112
112 < I ≤ 147
CB (A)
5 6
13 16
16 20
18 25
18/24 32
26 32
26 32
20
40
23
2
Wire Size (mm )
0.5
0.75
1.25
2
3.5
5.5
8
14
22
ELB
(no. poles/A/Ma)
2/40/30
2/20/30
2/25/30
2/40/30
4/40/30