AERMEC NRL, Техническое руководство по установке и обслуживанию

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For higher lengths or different types
of cable installation, it will be the
DESIGNERS responsibility to carefully
measure the line main switch, the
supply power line and the earthing
protection connection, and the
working connection cables:
− the length
− the type of cable
− Absorption of the unit and its
physical position, and room
temperature.
WARNING:
Check that all power cables are
correctly secured to the terminals
when switched on for the fi rst time and
after 30 days of use. Afterwards, check
the connection of the power cables
every six months.
Slack terminals could cause the cables
and components to overheat.
23.2. CONNECTION TO THE POWER
SUPPLY
− Check there is no voltage on the
electric line you want to use.
23.2.1. To access the electric box:
− Turn ¼ the screws of the electrical
panel in counter-clockwise direction
− Turn the handle of the door lock
knife switch to OFF (see figure) In this
way, there is access to the electrical
panel
23.3. ELECTRICAL POWER CONNECTION
−
For functional connection
of the
unit take the supply power cable to the
electrical panel inside the unit
fi g.1 in
the previous page and connect it to
the knife switch terminals observing the
phase, and the earth.
fi g.2
23.4. AUXILIARY CONNECTIONS AT THE
USER/INSTALLER EXPENSE
The
terminals indicated in future
explanations are part of the GR3 control
boards. For installation requirements,
refer to the wiring diagram supplied with
the unit. The wiring diagram together
with the manuals must be kept in good
conditions and readily ACCESSIBLE FOR
FUTURE OPERATIONS ON THE UNIT.
23.4.1. Auxiliary switch (IAD)
To prepare the auxiliary switch, connect the
device to the clamp 4 of the control board
M7 SC and to the clamp 4 of the remote
panel.
PR
0
1
M7 SC
6 x 0,5 MAX 50m
7
6
6
5
5
4
4
3
3
COMANDO A DISTANZA
REMOTE CONTROL
2
2
1
1
IAD
ALAR
M
SET
C1
C2
R
L R
L R
CONNECTION REMOTE
PANEL - PR3
ENABLING
REMOTE PANEL - PR3
To enable the remote panel PR3:
- act on the L/R key on the small
panel of the GR3 on the machine (as
shown in the
fi gure above)
- when the LED next to the letter R
(Remote) lights up, the machine
function will be enabled by the
remote panel.
Key fig. 2
L1 Line 1
L2 Line 2
L3 Line 3
PE Earth
Fig.2
Fig.1
23.4.2. Pump contactor (CP01 - CP02)
To prepare the pump contactor, connect
the device CP01 to the clamp 2 of the
control board M16 SC and the device
CP02 to the clamp 4 and 6 of the control
board M1 SE2.
23.4.3. External alarm (EA)
To prepare an external alarm device,
connect the device contact to the clamp 1
and 2 of the control board M17.
23.4.4. Connection PR3 (standard)
Connect the remote panel PR3 to the
control board M7 SC (as shown below),
remember that the maximum allowed
distance is 50 m.
THE PR3 CONNECTED MUST BE ENABLED, AS
WELL. See next procedure
44
INRLPY. 02.10 4086916_01