Hitachi YUTAKI RAS-4WHVNPE Instruction Manual page 28

ELECTRIC WIRING
10 ELECTRIC WIRING
10.1 GENERAL CHECK
1 Ensure that the field-supplied electrical components (mains
power switches, circuit breakers, wires, connectors and wire
terminals) have been properly selected according to the
electrical data indicated. Make sure that they comply with
national and regional electrical codes.
2 Following the Council Directive 2004/108/EC (89/336/EEC),
relating to electromagnetic compatibility, next table indicates:
Maximum permissible system impedance Z
point of the user's supply, in accordance with EN61000-3-11.
MODEL Z (Ω)
max
RAS-4WHVNPE 0.25
RAS-5WHVNPE 0.25
RAS-6WHVNPE 0.25
RAS-4WHNPE -
3 Harmonics situation of each model regarding IEC 61000-3-2
and IEC 61000-3-12 is as follows:
MODELS SITUATION REGARDING
IEC 61000-3-2 AND IEC 61000-3-12
Ssc "xx"
Equipment complying with
IEC 61000-3-2 (professional use)
Equipment complying with
IEC 61000-3-12
Installation restrictions may be applied
by authorities regarding the power
supply in relation to harmonics
4 Check to ensure that the power supply voltage is within
+/- 10% of the rated voltage.
10.2 ELECTRICAL WIRING CONNECTION FOR OUTDOOR UNITS

The electrical wiring connection for the outdoor unit is shown in figure below
RAS-(4-6)WHVNPE
Power supply
13 PMML0372B rev.5 - 01/2021
at the interface
max
MODEL Z
max
RAS-5WHNPE -
RAS-6WHNPE -
RAS-8WHNPE -
RAS-10WHNPE -
MODELS "xx"
(KVA)
RAS-(4-6)WHNPE
RAS-(4-6)WH(V)NPE
RAS-(8/10)WHNPE
Control cable
1~ 230V (5V)
5 Check to ensure that power supply has an impedance low
enough to warranty not reduce the starting voltage more
than 85% of the rated voltage.
6 Check to ensure that the ground wire is connected.
7 Connect a fuse of specified capacity.
?
N O T E
Check and test to ensure that if there is more than one source of power
supply, that all are turned OFF.
(Ω)
!
C A U T I O N
• Check to ensure that screws for terminal block are tightly tightened.
• Check to ensure that the the outdoor fan has stopped before electrical
wiring work or periodical check is performed.
• Protect the wires, drain pipe, electrical parts, from rats or other small
animals. If not protected, rats may damage unprotected parts, and at
the worst, a fire will occur.
• Wrap the accessory packing around the wires, and plug the wiring
connection hole with the seal material to protect the product from any
Ssc
condensed water and insects.
• Tightly secure the wires with the cord clamp inside the indoor unit.
• Lead the wires through the knockout hole in the side cover when
using conduit.
-
• Secure the cable of the remote control switch with the cord clamp
inside the electrical box.
-
• Electrical wiring must comply with national and local codes. Contact
your local authority in regards to standards, rules, regulations, etc.
-
• Check that the ground wire is securely connected.
• Connect a fuse of specified capacity.
!
D A N G E R
• Do not connect or adjust any wiring or connections unless the
main power switch is OFF.
• Check that the earth wire is securely connected, tagged and
locked in accordance with national and local codes.
Power supply
3N~ 400V
RAS-(4-10)WHNPE
Control
cable (5V)