Installation Manual PowerCharger 12/40-3 English
Mastervolt Inc. 7380 Coca Cola Drive, Suite 112-113 Hanover MD 21076 USA Tel: 443-459-5370 Email: infoNA@mastervolt.com Copyright © Mastervolt v1.1.110609EN
Terminator
3
Check the contents of the delivery.
Contact your supplier if one of the items is missing.
Do not use the PowerCharger if it is damaged.
AC cable
(6’, factory
installed)
Mounting
bracket
User’s manual +
Safety instructions +
Installation manual
4
Check the identification label to verify
the battery voltage and current matches
the DC output of the PowerCharger.
Choose the right DC wiring and fuses;
see the table below for recommended
values.
We also recommend following the
ABYC safety standards.
Part # or
number
PowerCharger
model
DC Cable cross
section <2m/ 6ft
DC Cable cross
section 2-5m/16ft
DC
fuse
Recommended
battery capacity
44210400 12/40-3 4 AWG 4 AWG 50 A 80-400 Ah
1
This quick installation guide provides a brief overview of a basic PowerCharger installation.
Reading the user’s manual is still necessary for safety instructions, additional features, best performance and
years of trouble-free service.
2
All electrical systems (DC and AC) must be disconnected from any power source during the entire
installation! Use insulated tools!
Read the safety instructions (chapter 2 of the user’s manual).
Safety regulations and measures:
1. Install the charger according to the instructions in both the user’s and installation manual.
2. Connections and safety features must be executed according to local applicable regulations.
Mastervolt cannot be held liable for:
• Damage resulting from the use of the battery charger.
• Possible installation errors outlined in the manual and the consequences of the errors.
• Damage from misuse of the battery charger, improper installation or use in an application it
was not designed for.
Installation Manual PowerCharger 12/40-3 English
Mastervolt Inc. 7380 Coca Cola Drive, Suite 112-113 Hanover MD 21076 USA Tel: 443-459-5370 Email: infoNA@mastervolt.com Copyright © Mastervolt v1.1.110609EN
5
A B
Mounting the bracket to
the wall and attaching the
PowerCharger onto it.
Mounting the bracket to the
PowerCharger and hanging
the PowerCharger onto the
wall.
Mount the cabinet to the wall
by fastening two screws at the
bottom of the cabinet.
(B): take out the
two screws
before mounting
the bracket.
Use the dimensions on the
back of this manual.
Mount the PowerCharger to the
wall. There are two possible
mounting methods.
Installation Manual PowerCharger 12/40-3 English
Mastervolt Inc. 7380 Coca Cola Drive, Suite 112-113 Hanover MD 21076 USA Tel: 443-459-5370 Email: infoNA@mastervolt.com Copyright © Mastervolt v1.1.110609EN
8
Check all wiring;
see step 6 for
wiring details.
Hold POWER; press for 3 seconds to
switch ON the charger.
POWER LED green = ON, red =
STANDBY.
If a failure occurs, refer to the user’s
manual for error codes.
a
b
c
d
See user’s manual section 5.1 for DIP-switch 3 and 4 settings.
Switch 1 Switch 2
Lead acid battery 3step+ charging Off
AGM, Gel, Spiral battery Constant voltage charging
(Float = 13.25V)
On
7
Change the DIP-switch settings if necessary.
Wire sizes and fuse ratings are shown in step 4.
6
Battery
fuse
Battery
temperature
sensor
Terminator
Communication
cable
a
b
c
Reverse battery polarity may
damage the charger!
Installation Manual PowerCharger 12/40-3 English
Mastervolt Inc. 7380 Coca Cola Drive, Suite 112-113 Hanover MD 21076 USA Tel: 443-459-5370 Email: infoNA@mastervolt.com Copyright © Mastervolt v1.1.110609EN
Specifications
Model 12/40-3
Nominal input voltage: 120/240V, 230V
Nominal input frequency: 50/60Hz
Full load consumption: 700VA
Nominal output voltage: 12V
Total maximum charge current: 40A at 14.4V
Weight including cable and bracket: 4kg (9Lbs)
DC consumption <5mA
Protection degree IP23
Installation dimensions in mm [inch]
131 5,16
110 4,33
60 2,36
41,6 1,64
115 4,54
73,5 2,89
128 5,02
58,1 2,29
18,8 0,74
30 1,1830 1,18
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