Pelco BK4220, BK4024 User Manual 2

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®

BK4000/BK4024/BK4220 Series

Blower Kit

Installation/Operation

1.0 WARNINGS

Prior to installation and use of this product, the following
WARNINGS should be observed.

1. Installation and servicing should only be done by
Qualified Service Personnel and conform to all
Local codes.

2. Unless the unit is specifically marked as a NEMA
Type 3-6P enclosure, it is designed for Indoor use
only and it must not be installed where exposed to
rain and moisture.

4. Only use replacement parts recommended by
PELCO.

Manual C436M-B (12/94)

2.0 SCOPE

The information contained within this manual covers
the installation and operation of the BK4000/BK4024/
BK4220 Blower Kits. Please familiarize yourself with
the information in this manual prior to installation and
operation.

2.1 DESCRIPTION

The BK4000/BK4024/BK4220 Blower Kits are engi­neered for installation in the EH4014 and EH4018 En­closures. The BK4000 requires 120 VAC, the BK4024
requires 24 VAC, and the BK4220 requires 230 VAC.

All units can be used in conjunction with the corre­sponding Heater Kit.

BK4000 requires 4 watts at 120 VAC, 60 Hz.
BK4024 requires 3 watts at 24 VAC, 60 Hz. (CE)
BK4220 requires 4.8 watts at 230 VAC, 60Hz. (CE)

NOTE: Once installed, the blower kit will reduce
the maximum camera/lens length specified by 1­3/4 inches.

PELCO • 3500 Pelco Way • Clovis, CA 93612-5699 • USA • www.pelco.com

[phone] or (1-559) 292-1981 • FAX [phone] or (1-559) 292-3827

3.0 INSTALLATION

The BK4000/BK4024/BK4220 Blower Kits are sup­plied with the following installation parts:

QTY ITEM

1. Remove the Phillips Head screws from the rear cap
and slide the assembly out from the enclosure.

2. Attach the blower assembly to the rear plate using
two of the self-tapping screws, holding the end
cap to the sled.

1 Blower
1 Blower Bracket

To install the BK4000/BK4024/BK4220 perform the
following steps (refer to Figure 1):

3.1 PARTS LIST (Figure 1.)

Item Qty Description Part Number

11Bracket, fan/pc board BK40004000COMP
21Bracket component, 24VAC, 230VAC BK7044002COMP

1 PCB assy, term/thermott, (used with heater kit) PCB9000300ASSY

31Fan, 2.36-inch Sq., 120/230 VAC MM750010003

1 Fan, 2.36-inch Sq., 24VDC ED210005

41Resistor 3k ohm, 10w (230 VAC blowerkit only) RES003.0K10.0

1 Diode Bridge Rect, 1A400PRV (24 VAC only) DIOMDA104

51Insulator, PC board (heater kit only) BK400010000
A4Washer, nylon ZH200X437X62N
B4Screw, 6-32 x 3/8 pan phil SS ZH6-32X.375SPP
C2 Screw, 6-32 x 1.5 pan phil SS ZH6-32X1.50SPP
D2 Nut, hex, 6-32 ZH6-323NUTSH
E2Screw, 6-32 x 1/4 self tapping phil ZH6-SFX.250SPP
F8Internal tooth lockwasher, #6 ZH6LWSIS

3. Wire according to the wiring diagram in Figure 2.

NOTE: When used with a heater kit (and
PCB), the blower can be wired into the termi­nal block on the PC Board (see Figure 2). With
the blower kit only, the PCB is not necessary.

Figure 1. Blower Kit Installation

2 PELCO Manual C436M-B (12/94)