Electrical Connections - Hitachi CSNET WEB Manual De Instalación Y Funcionamiento

CSNET WEB
Installation & Operation Manual

Attention:
- Before applying power and turning
on CSNET WEB you must ensure
that:
1. All the units and refrigerant
circuits are under power and are
running correctly.
2. All H-Link connections have
been set up.
Any unit that is not connected or
is not under power when turning
on CSNET WEB, will not be
recognised and will have to be
configured later.

4.2. Electrical connections

In order to run, CSNET WEB will have to be connected to the
electric network, to the transmission line with the air conditioners
(H-Link) and to the Ethernet local area network (LAN).
Connection Cable Specifications
Transmission Twin core twisted pair cable
1
cable for the 1P-0.75 mm². Non-polar. Shielded,
units (H-Link) earthed at one end.
In order to choose the type of cable,
refer to the Outdood Unit Installation
and Operation Manual.
LAN Line Category 5 or higher LAN cables
2
- A crossed cable is required for
- A direct cable is required for
Power supply AC 230V 1~ 50 Hz
3
cable Ensure that the cable you use
Twin core + complies with local codes and that
earth the plug and the base are properly
earthed.
Reinstall the cover once you have made all the connections
Page 5

Caution:
- The signals' cables should be as
short as possible. Keep a distance
of more than 150 mm from other
power cables. Don't wire them
together (although they may
intersect). If they must necessarily
be installed together, take the
following measures to avoid noise:
- Protect the signal cable with a
metal tube which is earthed at
one end.
- For communications, use
shielded wire which is earthed at
one end.
direct connection to a PC.
connection to a commercial
distributor (Hub)
PMML0163A-rev.0 - 03/2008

Danger:
- Always disconnect the power
supply for CSNET WEB when
handling the machine, in order to
avoid eletrical discharges.
- Do not connect the interface to the
power supply until the installation
has been completed.
- Comply strictly with local security
codes and regulations when
connecting the machine to the
electric network.
- You will need a three-wire cable
(two cores and earth) with a
suitable plug at one end.
Air Conditioning Units
Local Area
Network
2
LAN
CSNET WEB
Plug, power base and earth
wire, in conformity with local
codes
1
3