Motrec E-348, Operator And Maintenance Manual

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Curtis PMC 1244 Manual 8
2 — INSTALLATION & WIRING: Controller
WIRING: Standard Configuration
Figure 3 shows the typical wiring configuration for most applications. The
interlock switch is typically a seat switch, tiller switch, or foot switch.
Standard Power Wiring
Motor armature winding is straightforward, with the armature’s A1 connection
going to the controller’s B+ bus bar and the armature’s A2 connection going to
the controller’s M- bus bar.
The motor’s field connections (
F1
and
F2
) to the controller are less obvious.
The direction of vehicle travel with the forward direction selected will depend on
Fig. 3
Standard wiring configuration, Curtis PMC 1244 controller.
B- B+ M-
F2 F1
INTERLOCK
5 k
Ω
–0
THROTTLE
(TYPICAL)
FORWARD
MAIN
CONTACTOR
COIL
POLARITY
PROTECTION
DIODE
REVERSE
MODE SELECT 2
MODE SELECT 1
B+
B-
KEYSWITCH
POWER
FUSE
A
MAIN
CONTACTOR
A2 A1
F1 F2
CONTROL
FUSE
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