Cable Sizes - Hitachi SET FREE Serie Manual De Instalación Y Funcionamiento

Electrical wiring

10.3.1 Cable sizes

Field minimum wire sizes for power source and transmission
Model Power supply
RAS-8FSXN1E
RAS-10FSXN1E
RAS-12FSXN1E 3N~ 400V/50Hz
RAS-14FSXN1E
RAS-16FSXN1E
RAS-5FSXNH(E)
RAS-6FSXNH(E)
3N~ 400V/50Hz
RAS-8FSXNH(E)
RAS-10FSXNH(E)
RAS-12FSXNH(E)
* Refer to the NOTES for selection of the power source cable size.
The cross-sections of the cable should be selected for the maximum current of the unit, in accordance with European Standard
(1)
EN60 335-1.
N O T E
Do not use cables that are lighter than the normal flexible coated polychloroprene cable (code H05RN-F).
10.3.2 Main breaker switch
Electrical data and recommended wiring, breaker size/1 outdoor unit
Model Power supply
RAS-8FSXN1E
RAS-10FSXN1E
RAS-12FSXN1E 3N~ 400V/50Hz
RAS-14FSXN1E
RAS-16FSXN1E
RAS-5FSXNH(E)
RAS-6FSXNH(E)
RAS-8FSXNH(E) 3N~ 400V/50Hz
RAS-10FSXNH(E)
RAS-12FSXNH(E)
ELB: Earthleakage Breaker (field-supplied), CB: Circuit Breaker (field-supplied), MLFC: Flame Retardant Polyflex Wire
Install main switch and ELB for each system separately. Select the high response type of ELB that acts within 0.1 second.
60
PMML0294A_rev.2_02-2014.indb 60

Maximum
running current
(A)
15.0
20.0
26.5
29.2
33.0
13.0
13.0
15.0
18.7
20.0
Maximum
running Power supply
current line type
(A)
15.0 MLFC 2.0SQ
20.0 MLFC 3.5SQ
26.5 MLFC 5.5SQ
29.2 MLFC 5.5SQ
33.0 MLFC 8.0SQ
13.0 MLFC 2.0SQ
13.0 MLFC 2.0SQ
15.0 MLFC 2.0SQ
18.7 MLFC 3.5SQ
20.0 MLFC 3.5SQ
PMML0294A rev.2 - 07/2014

Power source cable size
EN60 335-1
(1)
*1
(mm )
2
4.0
6.0
6.0
10.0
10.0
4.0
4.0
4.0
6.0
6.0

ELB
Nominal Nominal sensitive
current current
(A)
40
40
40
63
63
40
40
40
40
40
Transmitting cable size
EN60 335-1
(1)
Earth wire size
*1
(mm )
2
0.75
0.75
0.75
0.75
0.75
0.75
0.75
0.75
0.75
0.75

Main switch
Nominal current
(A)
(mA)
30 20
30 30
30 40
30 40
30 50
30 20
30 20
30 20
30 30
30 30

(mm )
2
4.0
6.0
6.0
10.0
10.0
4.0
4.0
4.0
6.0
6.0

CB
(A)
20
30
40
40
50
20
20
20
30
30
14/07/2014 12:28:34