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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)
Wire Size (mm²)
I ≤ 6
6 < i ≤ 10
10 < i ≤ 16
16 < i ≤ 25
25 < i ≤ 32
32 < i ≤ 40
40 < i ≤ 63
63 < i
In case that current exceeds 63 A do not connect cables in series
NOTE:
- Follow local codes and regulations when selecting field wires, Circuit breakers and Earth Leakage breakers
- Use the wires which are not lighter than the ordinary polychloroprene sheathed flexible cord (code designation H05RN-F)
Select the main switches in according to the next table:
”
Model
All Indoor Units
RAS-3HVRNME
RAS-4HVRNM1E/HVRNS1E
RAS-5HVRNM1E/HVRNS1E
RAS-6HVRNM1E/HVRNS1E
RAS-5HRNM1E
RAS-6HRNM1E
RAS-6HRNM1E
ELB: Earth switch; CB: Switch; (*) Except RPI-8/10HP
13.3.3. H-LINK II SYSTEM
NOTE:
The H-LINK II system can not be applied to the cycle with the old
H-LINK model.
1. Application
The new H-LINK II connecting each indoor unit and outdoor unit for
up to 64 refrigerant cycles (up to 160 indoor unit per H-LINKII), and
connecting wires for all indoor units and all outdoor units in series.
2. Specifications
- Transmission Wire: 2-Wire
- Polarity of Transmission Wire: Non-Polar Wire
- Maximum Outdoor Units To Be Connected: 64 Units per
H-LINK II system.
- Maximum Indoor Units To Be Connected: 160 Units per
H-LINK II system
- Maximum Wiring Length: Total 1000m (including CS-NET). In
case that the total wiring length is longer than 1000m, contact the
Hitachi dealer.
- Recommended Cable: Twist Pair Cable with Shield, over
0.75mm2 (Equivalent to KPEV-S)
- Voltage: DC5V
PMML0197_r0_04-10.indb 35
INSTALLATION AND OPERATION MANUAL
Selection according to MLFC
(at cable Temp. Of 60 ºC)
Current i (A)
0.75
I ≤ 15
1
15 < i ≤ 18
1.5
18 < i ≤ 24
2.5
24 < i ≤ 34
4
34 < i ≤ 47
6
47 < i ≤ 62
10
62 < i ≤ 78
78 < i ≤ 112
112 < i ≤ 147
Max.
Power Source
Current
1~ 230V 50Hz
5A
14A
18A/24A
1~ 230V 50Hz
26A
26A
7A
3N~ 400V 50Hz
11A
13A
Wire Size (mm²)
0.5
0.75
1.25
2
3.5
5.5
8
14
22
ELB
CB
(no. poles/A/Ma)
6A
20A
25/32A
2/40/30
32A
32A
15A
15A
4/40/30
20A
NOTE:
Do not make a wiring in a loop.
3. Dip Switch Setting of Indoor PCB and Outdoor PCB
It is required to set dip switches of every indoor unit and outdoor unit.
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08/07/2010 9:20:56
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