Hitachi UTOPIA IVX PREMIUM Series Installations- Und Betriebshandbuch Seite 38

Electrical wiring
15.3.2 Wire size
Connection wiring

Recommended minimum sizes for field provided wires:
Model Power supply
All Indoor Units
RAS-3HVNPE 1~ 230V 50Hz
RAS-(4-6)HVN(P/C)E
RAS-(4-6)HNPE
RAS-(4-6)HNCE 3N~ 400V 50Hz
RAS-(8-10)HN(P/C)E
N O T E
• 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 polychlo-
roprene sheathed flexible cord (code designation H05RN-F)
Main switch protection

Select the main switches in according to the next table:
Model Power supply
All Indoor Units 1~ 230V 50Hz
ELB: Earth switch; CB: Circuit braker
15.3.3 H-LINK II System
N O T E
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.
38
_PMML0251A_r2.indb 38
Power source Transmitting
cable size cable size
EN60 335-1 EN60 335-1
0.75 mm²
4.0 mm²
6.0 mm
2
0.75 mm²
2.5 mm
2
4 mm
2
6.0 mm
2
ELB (no.
Max. cur-
CB (A) poles/A/
rent (A)
mA)
5.0 6 2/40/30
PMML0251A rev.2 - 02/2013
IVX Premium series
Outdoor unit MC (A)
RAS-3HVNPE
RAS-4HVNPE
RAS-5HVNPE
RAS-6HVNPE
RAS-4HNPE
RAS-5HNPE
RAS-6HNPE
RAS-8HNPE
RAS-10HNPE
IVX Standard series
Outdoor unit MC (A)
RAS-4HVNCE
RAS-5HVNCE
RAS-6HVNCE
RAS-4HNCE
RAS-5HNCE
RAS-6HNCE
RAS-8HNCE
RAS-10HNCE
N O T E
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.
CB (A) ELB
19.0 20
28.0 32
2/40/30
28.0 32
28.0 32
11.5 15
11.5 15
13.5 15 4/40/30
24.0 30
24.0 30
CB (A) ELB
28.0 32
28.0 32 2/40/30
28.0 32
15.0 20
15.0 20
15.0 20 4/40/30
24.0 30
24.0 30
06/02/2013 9:05:13