Hitachi RPK-0.6FSNH3M Installations- Und Betriebshandbuch Seite 40

Electrical wiring
Example of Wiring Connection (Twin, Triple and Quad Combinations for Simultaneous Operation)
3N~ 400V 50Hz
  
1N~
3N~
230V 50Hz
380V-415V / 50Hz
*1, *2
ELB + CB
Main switch
Main
Outdoor unit
switch
E L1 L2L3 N 1 2 E
Earth
wiring
Power source cable
Pay attention to the pha-
se of power source when
wiring.
Example of Wiring Connection (Twin, Triple and Quad Combinations for Individual Operation)
3N~ 400V 50Hz
  
3N~
1N~
380V-415V / 50Hz
230V / 50 Hz
*1, *2
ELB + CB ELB + CB
Main
Main
switch
Outdoor unit
switch
E L1 L2L3 N 1 2 E
Earth
*3
wiring
Power source cable
Control cable
Pay attention to the
phase of power source
Shielded twist pair cable 0.75mm
when wiring.
This cable dose not need any polarity.
Do not apply an excessively high volta-
ge to this cable. (Rated voltage: 5V)
Connect to both ends of shield tube
to earth.
Model ELB
n / A / mA
Combination
Indoor
*1
Single type
2 / 40 / 30
Twin, Triple, Quad
ELB: Earth Leakage Breaker; I.U.: Indoor unit; O.U.: Outdoor unit
N O T E
For the total wiring length more than 20m, refer to "Installation & Operation Manual" of the outdoor unit.
34
Remote control
ELB + CB
switch (Option)
Indoor unit number 1
L1 N E A B 1 2 E
*8
*3
*7
*3
*5
*6
Pull box
Control cable
Shielded twist pair cable 0.75mm
2
This cable dose not need any polarity.
Do not apply an excessively high vol-
tage to this cable. (Rated voltage: 5V)
Connect to both ends of shield tube
to earth.
Remote control
switch (Option)
Indoor unit number 1
*8
E E
L1 N A B 1 2
*7
*3
*5
*6
Pull box
Remote control switch cable
(Field supplied)
2
2 core twist pair cable 0.75mm
This cable dose not need any polarity.
Do not apply an excessively high voltage to this
cable. (Rated voltage: 5V)
Connect to both ends of shield tube to earth.
Main switch
Fuse ca-
Rated cu-
pacity (A)
rrent (A)
or CB
Indoor
Indoor
*2
*2
5 6
PMML0292A rev.2 - 09/2015 - P5416572
Indoor unit number 2
L1 N E A B 1 2
*7
*6
*5
*6
Pull box
Remote control switch cable
(Field supplied)
2 core twist pair cable 0.75mm
cable dose not need
Do not apply an excessively high vol-
tage to this cable. (Rated voltage: 5V)
Connect to both ends of shield tube to earth.
Remote control
switch (Option)
Indoor unit number 2 Indoor unit number 3
*8
L1 N E A B 1 2 E L1
*7
*5 *5
*6
Pull box
2
Transition wiring bet-
Power
ween O.U. and I.U.
source
Power
cable
supply
< 20m
Indoor
*4
*3
1.0 1.0
Indoor unit number 3
Indoor unit number 4
L1 N E A B 1 2
L1
*7
*6
*5
*6
Pull box
The details of wire, ELB and main
. This
2
any polarity. switch for outdoor unit shall be refe-
rred to "Installation & Operation Ma-
nual" of connected outdoor unit.
Remote control
Remote control
switch (Option)
switch (Option)
Indoor unit number 4
*8
N E A B 1 2 E
L1
*7
*5
*6
Pull box
The details of wire, ELB and main
switch for outdoor unit shall be refe-
rred to "Installation & Operation Ma-
nual" of connected outdoor unit.
Wiring size (mm )
2
Transition
wiring bet-
ween indo-
Control
or units
Circuit
*6
*5
-
0.75
0.75
N E A B 1 2
*7
*5
*8
N E A B 1 2 E
*7
Remote con-
Earth
trol switch
wiring
cable
*7
*8
2.0
0.75
3.5