Mastervolt PowerCharger 12/20-3 User manual

Installation Manual PowerCharger 12/20-3 English
Mastervolt Inc. 7380 Coca Cola Drive, Suite 112-113 Hanover MD 21076 USA Tel: [phone] Email: [e-mail] Copyright © Mastervolt v1.1 110609EN
5 Connect to the AC main 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 c
b Check all wiring; see step 4
for wiring details.
Reverse battery polarity
could damage the charger!
Terminator
3 Check the delivery contents.
Contact your supplier if one of the items is missing.
Do not use the PowerCharger if it is damaged.
AC cable
(6’, factory installed)
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 no PowerCharger model DC Cable cross section <2m/ 6ft DC fuse Recommended battery capacity
44210200 12/20-3 8 AWG 32 A 40-200 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 errors in the included 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 12/20-3 English
Mastervolt Inc. 7380 Coca Cola Drive, Suite 112-113 Hanover MD 21076 USA Tel: [phone] Email: [e-mail] Copyright © Mastervolt v1.1 110609EN
Installation relevant specifications
Model 12/20-3
Nominal input voltage: 120/240V, 230V
Nominal input frequency: 50/60Hz
Full load consumption: 450VA
Nominal output voltage: 12V
Total maximum charge current: 20A at 14.4V
Weight including cable and bracket: < 1.8 Kg/ 4.0Lbs including AC cable
DC consumption <2mA
Protection degree IP23
Installation dimensions in mm [inch]