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Rooftop Air Conditioning System Citysphere
4.9.
Establish electrical connections
The system must be protected on the vehicle side with max. 100 A direct after the battery. The cable cross-
section must be determined as follows:
Minimum cross-section 25 mm
to be used, and from a length of 26 m to 38 m a cross-section of 50 mm
Refer also to "Copper cables for use in motor vehicles" DIN VDE 0298 Part 4.
a)
Disconnect vehicle battery.
Note the vehicle manufacturer's instructions when connecting the power
supply for the air conditioning system.
Only adequately dimensioned cables approved for use in motor vehicles
may be used.
Work on the electrical system may only be performed by authorized
personnel.
Suitable rubber grommets / edge protectors must be used when routing
cables through metal sheets.
b)
Make cable connections between vehicle battery and systems.
– Route cables through protective sleeves and secure them appropriately with cable ties.
– The power supply for the system must be connected to the bulkhead with the cable bolts
provided for this purpose (Fig. 2.2).
Correct polarity must be ensured without fail! (+ pole: M8 cable bolt, - pole:
M10 cable bolt). The control device will be destroyed if the polarity is
reversed!
– Provide strain reliefs.
c)
Make cable connection between control and master unit with enclosed cable harness.
– Mount control panel to a suitable place and plug in cable harness.
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, from a cable length (single length) of 19 m a cross-section of 35 mm
IMPORTANT
IMPORTANT
57
40
52
Fig. 4.13
2
.
45
40
21
24 29 35
2
has
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