INSTALLATION
EN / Solar ChargeMaster 20, 40 / November 07
7
8. If applied, connect the battery temperature
sensor (5 pins) and / or the PC Link (4 pins).
9. Close the terminal lid.
Stick the battery sensor to the top of your battery.
Now you have successfully connected your Solar
ChargeMaster controller.
4.3 Connections
Figure 7: Connections
4.4 Connectors
4.4.1 Serial
port
The controller comes with a serial port for
connection to a PC with the PC Link (optional). See
the PC Link manual for details. In Section 6.1.8 the
serial interface behaviour can be modified.
4.4.2 BatteryTemperature
Sensor
connector
With the temperature sensor (included), Solar
ChargeMaster can measure the battery temperature
and adjust the charging voltage accordingly to
extend the battery life span.
4.5 Safety
features
The Solar
ChargeMaster is
protected against:
Solar terminal
Battery terminal
Load terminal
Battery connected with
correct polarity to:
Unrestricted Normal
operation
Unrestricted
Battery connected with
wrong polarity to:
Unrestricted Unrestricted Unrestricted
Reverse polarity at:
24V system: no
12V system: yes
Yes, if only the battery is
connected. Acoustic
warning.
Load output is protected,
but loads may be damaged.
Short circuit at:
Unrestricted
Unrestricted
Caution:
fuse the battery
Unrestricted
Overcurrent at:
Controller limits current Not applicable
Controller switches off load
terminal.
Thermal overload at:
Controller is protected
electronically
Not applicable
Controller switches off load
terminal.
No connection at:
Unrestricted
Unrestricted
Unrestricted
Reverse current at:
Unrestricted
Not applicable
Not applicable
Overvoltage at:
Varistor 56 V 2,3J
Maximum 40 V
Controller switches off load
terminal.
Undervoltage at:
Normal operation
Controller switches off
load terminal.
Controller switches off load
terminal.
+
_
1
2
3
4
5
6
+
_
+
+
+
-
-
-
Connections
including the battery
temperature sensor
and the MasterAdjust
PC connected. The
positive battery leg
has been fused.
1. Solar
panel
2. Battery
fuse
3. Temperature
sensor
4. PC Link USB
interface
5. PC
for
MasterAdjust
6. Load
