10
The power must be supplied via a properly eart-
hed socket outlet or hardwired connection.
Where a socket outlet is used for the mains
connection lead, the outlet must be freely ac-
cessible.
It is advisable to run the incoming supply through
an 2 Amps on-board fuse or automatic cir-
cuit breaker. The power cable must be laid in such
a way that it does not come in contact with hot
components of the cooling unit/burner or with
sharp edges.
4 Installation
4.1 Electrical installation
Power line connection
The mains 12V connection cable is connected
(observing correct polarity) to a terminal strip. The
cabling must be by the shortest possible route to
the battery and alternator respectively. (Connec-
tion A, B)
Cross-sectional area
of cable Length of cable
6 mm
2
< 6 m
10 mm
2
> 6 m
The 12V circuit must be protected with a 16A
(20A RM 76xx) fuse
The heating element circuit A/B must be connected
to the vehicle battery by a suitable ignition opera-
ted relay in order that the 12V supply is only live
while the vehicle ignition is switched on.The
connection C/D (interior light, electronics ; cable
black / violet) must be permanently attached, and
must not be cut-out when the vehicle ignition key is
turned off.
Battery connection
Connections:
A = Ground heating element DC
B = Plus heating element DC
C = Ground electronics
D = Plus electronics
D+ = alternator signal
S+ =
AES
-input-control signal
(solar charge regulator
D
C
A
B
12 V DC
permanent supply
Connection of
12 V heating
element
C
D
RMT 76X1 L
RMT 78X1 L
RMT 76X5 L
RMT 78X5 L
Terminal block
D+ connection:
The D+ control (Dynamo +) must be connected
to the respective vehicle terminal.
(D+ = alternator signal while motor is running).
Solar control input (S+):
Connection only when using a solar system with
a solar charging controller with AES output. The
respective solar charging controllers are
available from a specialized dealer. The "Solar"
(S+) control connection must be connected to
the respective terminal of the solar charging
controller (AES output).
Cable cross-sections
There are no particularly high current flows via
the D+ and S+ connection; therefore no particu-
larly large cross-section is required for these
connections (approx. 1mm²).
Cross sect.-area of cable: recomm. min. 1,5 mm
2
For RMT 7xx5 L-models only!
above
below
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