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REMKO RVS DC serie 50-80-130-180 Manual

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Electrical wiring
■
All electrical connections
such as network supply, cable
remote control etc. must be
carried out in the unit's switch
cabinet.
■
The lines to be installed are to
be fed into the switch cabinet
through the cable glands
provided.
■
An electrician must determine
the sizing and selection of the
fuses and the cross section of
the lines to be installed.
Note that starting current may
be up to 10 times nominal
current.
Carry out the following electrical
connections:
■
Connection of the power
supply.
■
Possible enabling contact for
the set mode or stand-by.
■
Possible operating mode
contact for cooling or heating
mode.
■
Possible connection of cabled
remote control (accessory).
■
Possible connection of the
GLT to the unit controller via
Modbus.
■
The power supply is made
at the chiller; a control cable
to the interior unit is not
necessary.
■
An all-pole isolating switch,
which trips in the event of a
failure of any of the individual
phase conductors, must be
installed in the supply line
upstream of the unit.
■
Electric connections must be
carried out as fixed connections
in accordance with the
applicable regulations.
■
Check all terminal points for
stability.
■
The supply line must be
adequately insulated on-site
and the voltage drop may not
exceed permissible values.
■
Make sure that the electrical
system is adequate for the
operation of the unit and can
supply the operating current
necessary for other already
operated units.
■
Determine before installation,
when connecting to existing
system components, whether
the unit's supply line is
adequately dimensioned
for the unit's rated power
consumption.
■
The connection of the units
must always be carried out with
adequately dimensioned, low-
resistance earth conductors, and,
if necessary, carried out several
times (especially with plastic
pipes).
■
When installing the units on
flat roofs, lightning protection
measures may be necessary.
The selection of the RCD
breaker is the responsibility
of the specialist company
carrying out the work. Based
on the provisions per VDE
0160, E VDE 0100 Part 530
as well as the guidelines of
VdS 3501 and the safety
regulations from BGI 608,
the use of an AC/DC-sensitive,
type-B RCD is recommended
for ensuring standards-
compliant personnel and
fire protection.
NOTE
We recommend the use of safety
fuses.
NOTE
Proceed as follows to connect:
1. Open the control panel and
switch cabinet cover by
removing the screws and
lifting off the cover.
2. Feed the voltage-free cable
through the glands into
the switch cabinet and clamp
the cable to the strain relief.
3. Then connect the cable
in accordance with
the connection diagram.
4. Ensure a correct rotating field.
5. Mount all removed parts.
Power supply
The units require a fixed AC or
three-phase current connection.
The power supply line must
be connected in accordance with
the wiring diagram.
Check all plug and terminal
connections to verify that
they are tight and make
a permanent contact. Tighten
as required.
CAUTION
!
All electrical installation
work is to be performed
by specialist companies.
Disconnect the power supply
when connecting the electrical
terminals.
CAUTION
!
27
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