9
Curtis PMC 1204/1205 Manual
WIRING
CONNECTIONS: Low Current
Three 1/4" push-on terminals are provided
for the low current connections to the KSI
and throttle inputs.
For the control wiring, 0.75 mm
2
(#18
AWG) vinyl insulated stranded wire is rec-
ommended.
CONNECTIONS: High Current
Four tin-plated solid copper bus bars are provided for the high current
connections to the battery and motor:
M- output to motor field
B- negative connection to battery
B+ positive connection to battery and
to motor armature
A2 plug diode to motor armature
WIRING
3
A2
M-
B-
B+
the high current required. A minimum size of 25 mm
2
(#4 AWG) is
recommended. Rubber insulated welding cable is convenient to work
with because of its flexibility.
Connections to the controller bus bars should be made with lugs
suitable for the cable used, fastened by M8 (5/16") bolts and nuts. When
tightening the bolts, two opposing wrenches should be used. Failure
to use the double-wrench technique could cause undue strain to be placed
on the internal connections, and could also result in cracked seals around
the bus bars.
The cables used for the battery and motor
connections must be heavy enough to carry
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