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Pelco Manual C1432M-C (11/99) 9
15. Remove the two screws on the bottom of the enclosure under the window and install
the wiper assembly with two Allen cap screws that are supplied in the parts bag. Make
sure the shaft of the wiper arm goes through the green bushing on the front of the en-
closure.
16. Looking at the front of the enclosure from the outside, position the wiper blade so that
it is on the left side of the window as you look at it.
17. Slide the flex coupler over the wiper arm shaft and tighten the two screws in the cou-
pler to secure it to the drive shaft and the wiper arm shaft.
18. Remove the cover over the circuit board on the wiper motor/control assembly.
19. Refer to Figure 7 and set either of the following two options:
a. The time between wiper strokes can be adjusted between 3 and 10 seconds by
rotating the potentiometer R8. Turn the adjustment clockwise to increase the time.
The potentiometer only makes one revolution.
or
b. The wiper can be set to operate continuously by placing the delay jumper at JP6
in the OFF position.
20. Verify that jumpers JP1 through JP5 are set for the correct input voltage.
If you modified the circuit board, place JPI in the 1–2 position. This will route the DC
voltage from the receiver to the on/off circuit of the wiper. Never place the jumper in
the 2–3 position or the wiper will not work.
21. Replace the cover over the circuit board on the wiper motor/control assembly.
22. If you modified the circuit board, connect the green wire from the anode of D3 to either
of the following:
• If your enclosure has the O/I-PCB circuit board (PCB9000276), connect the wire
to the LENS COM connector (refer to Figure 8).
• If your enclosure does not have the circuit board, connect the wire to the LENS
COM connector on your pan/tilt unit or receiver.
23. EH5723 and EH5729 Models Only – Wire the wiper assembly to power as fol-
lows:
Black wire AC HI
White wire AC NT
Blue wire Wiper on/off control
If you modified the circuit board, wire the wiper on/off control to an auxiliary output on
the receiver.
All window wiper assemblies use 15 watts of power. If you are using 24 VAC, refer to
Table A to determine the size of wire to use.
24. All Models Except the EH5723 and EH5729 – Wire the wiper assembly to
power as follows:
a. Remove the plastic cover from the power supply section of the circuit board in
front of the fan plate.
b. Connect the plug from the wiper assembly into the W/W socket on the circuit
board.
c. Wire the wiper on/off control.
If you modified the circuit board, wire the wiper on/off control to an auxiliary out-
put on the receiver.
WARNING:
If you
use an AC control,
AC high to turn on
the wiper must come from
the same circuit that provides
power to the wiper. This is
because the wiper and the
on/off control share the
same AC neutral. Refer to
Figure 9. This will prevent
damage to the wiper.