Caltech Calaer 2 kW, Installation Manual

Page: 47 / 60

13. Electrical system
45
The power supply cable can be extended with the following requirements
on the wires:

For 12 V system the maximum voltage loss over the extension cable
cannot exceed 0.5 V. For a 5-meter total length of plus and minus
cables, the cross sectional area of the wire needs to be at least 4 mm2

For 24 V system the maximum voltage loss over the extension cable
cannot exceed 1 V. For a 5 to 8-meter total length of plus and minus
cables, the cross sectional area of the wire needs to be at least 6 mm2
In case the cables are connected to a fuse box, the cables leading to the fuse
box shall be included in the calculation for the maximum voltage loss.
Caution!

For permanently live connection several legislation requirements
may apply depending on the country (additional isolator, circuit
breaker etc.).

Check for any legislation that may forbid the use of a heater when
the vehicle/boat etc. is unattended.

Make sure that only fuses with specified ratings are used.

Take care when the routing the cables, make sure that the insulation
of the electrical cables has not been damaged. Avoid placing the
cables near moving objects and machinery.

Make sure that any unused cables are well insulated.