INSTALLATION
EN / Mass Charger 12/60-2; 12/80-2; 24/50-2; 24/75; 24/100; 3-24/100; 48/25; 48/50 / July 2010 9
4 INSTALLATION
During installation and commissioning of the Mass
Charger, the important safety instructions are applicable at
all times. See chapter 2 of this manual.
Please check the contents of the box before you start with
the installation. The contents of the box need to be:
• battery charger;
• battery temperature sensor (incl. 6 mtr cable);
• a MasterBus terminating device;
• users manual;
If one of these items is missing, please contact your
supplier.
Install the MASS battery charger in a dry, well ventilated
area, closest possible to the batteries. Although the battery
charger has a high efficiency, some heat will be produced.
This heat will be discharged by a fan with variable speed.
At installation of the battery charger be sure that:
• the air flow is not obstructed;
• no water and/or dust can enter the cabinet.
4.1 MOUNTING THE MASS CHARGER
Obey the following stipulations during installation:
• The Mass Charger is designed for indoor use only.
• Ambient temperature: 0 ... 60°C / 32°F … 140°F;
(power derating above 40°C / 104 °F to decrease the
internal heat sink temperature).
• Humidity: 0-95% non condensing.
• Mount the Mass Charger vertically, with the connecting
cables downwards.
• Make sure that the hot air that is developed during
operation can be discharged. The Mass Charger must
be mounted in such a way that obstruction of the
airflow through the ventilation openings will be
prevented.
• No objects must be located within a distance of 10 cm /
4 inch around the Mass Charger.
• Do not locate the Mass Charger in the same
compartment as the batteries.
• Do not install the Mass Charger straight above the
batteries because of possible corrosive sulphur fumes.
4.2 CONNECTIONS
Before making the connection between the battery charger
and the system be sure that the AC and DC system are
switched off. Remove the fuses in order to protect yourself
against unexpected start up.
4.3 WIRING
WARNING!
The wire and fuse sizes stated in this manual
are given as example only. Prescribed wire and
fuse sizes may be different due to local
applicable regulations and standards.
4.3.1
AC wiring
Check if the voltage of your mains source or generator
corresponds with the AC input voltage of the battery
charger as mentioned on the type number plate, see
section 1.4.
Cut the cable in accordance to fig. 5a. It is important that
the green/ yellow earth wire is ± 1 cm (0.4 inch) longer
than the other wires. By accidentally pulling at the cable,
the earth wire stays connected to the Mass Charger longer
which offers additional safety. Connect the green/yellow
wire to PE, brown to L1 and the blue wire to the N
terminal.
Connect the 3-24/100 according to fig. 5b. The three black
wires to L1, L2 and L3. Connect the green/yellow wire to
the PE. For a safe installation the correct wire cross
section must be applied. Don’t use a cross section that is
smaller than indicated. See table below to select the
appropriate cross section for the AC wiring (up to 6m / 20ft
length):
AC Current Minimum cross section:
6-12 Amp 1.5 mm² AWG 14
12-20 Amp 2.5 mm² AWG 12
20-32 Amp 4.0 mm² AWG 10
Connection of AC-wiring and recommended wire colours.
• 230V/50Hz installations, see figure 5a:
Wire color Meaning
Must be
connected to:
Brown or black Phase L1
Blue Neutral N
Green/Yellow Earth PE / GND
• 400V/50Hz installations, see figure 5b:
Wire color Meaning
Must be
connected to:
Black Phase L1, L2, L3
Green/Yellow Earth PE / GND
Fig5b
1 cm
green/yellow
black
minimal
black
black
minimal
green/yellow
blue
brown
Fig5a
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