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Pelco Manual C1423M-D (10/03) 5
3.0 BLOWER KIT INSTALLATION
This section provides instructions for installing the BK57-1. BK57-2. and BK57-3
blower kits.
For the following instructions, refer to Figure 1. Table B lists the parts shown in Figure 1.
1. Turn off power to the enclosure.
2. Unlatch and raise the enclosure lid. The gas spring will hold the lid in place
when it is fully opened.
3. Remove the camera and sled.
4. Remove the vent grill inside the enclosure at the rear of the unit.
5. On the bottom of the enclosure, remove the two vent covers.
6. Place the two foam filters in the vent grill.
7. Install the vent grill in the bottom of the enclosure at the front of the unit.
8. If you are installing your enclosure in a marine or high-moisture environment,
modify the fan assembly as follows:
a. Remove the four Allen screws that secure the fan to the fan plate.
b. Turn the fan around so that it will blow toward the viewing window (the
arrow on the fan points toward the fan plate).
c. Reinstall the fan on the fan plate.
9. Install the fan plate and fan in the enclosure with the hardware that is supplied:
a. Slip the fan wires into the slot at the bottom of the fan plate so that the
white plug is on the opposite side of the fan plate from the fan.
b. Place the fan plate and fan into the enclosure with the fan facing toward
the rear of the enclosure and the fan plate against the camera sled track.
c. Attach the top center of the fan plate to the enclosure with the standoff, a
screw, lock washers, and flat washers.
d. Attach the bottom right and bottom left sides of the fan plate to the cam-
era sled track with screws and lock washers.
10. Continuous Duty Operation Only - If your enclosure does not have the O/I-
PCB circuit board for thermostatic control, complete the installation as follows:
a. Connect the fan to power. The BK57-1 and BK57-3 fans use 15 watts of
power. The BK57-2 uses 10 watts. If you are using 24 VAC, refer to Table
A to determine the size of wire to use.
b. Reinstall the camera and sled.
c. Close the enclosure lid.
d. Turn on power.
NOTE:
If you are using your enclo-
sure in a marine or high-moisture
environment, skip steps 4-7. The vent
covers must be left in place.