Phocos CML05NL Guide De L'utilisateur page 25

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WARNING: If the battery is connected with reverse polarity,
the load terminals will also have the wrong polarity. Never
connect loads during this condition!
REMARK: Mind the recommendations of your battery
manufacturer. We strongly recommend connecting a fuse directly
to the battery to protect any short circuit at the battery wiring.
The fuse must take the charge controller nominal current:
CML05NL: 20A, CML08NL: 20A, CML10NL: 30A, CML15NL: 30A,
CML20NL: 40A
Connect the wires leading to the battery
with correct polarity. To avoid any
voltage on the wires, first connect the
controller, then the battery. Mind the
recommended wire length (min 30 cm
to max approx. 100 cm) and the wire
size:
CML05NL: min 2.5 mm
CML08NL: min 4 mm
CML10NL: min 6 mm
CML15NL, CML20NL: min 10 mm
Wrong polarity will cause a permanent
warning sound.
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