Bosch Appliances Security Camera EX27 User Manual

INSTALLATION INSTRUCTIONS

EX27/EX27N/EX27D

All-Weather Cameras

MAN-27/27N/27D-01

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10. Protect the power cord from being walked on or

pinched particularly at plugs, convenience

receptacles, and the power where they exit from

the apparatus.

11. Only use attachments/accessories specified by

the manufacturer.

12. Use only with the cart, stand, tripod, bracket, or

table specified by the manufacturer, or sold with

the apparatus. When a cart is used, use caution

when moving the cart/apparatus combination to

avoid injury from tip-over.

13. Unplug this apparatus during lightning storms or

when unused for long periods of time.

14. Refer all servicing to qualified service personnel.

Servicing is required when the apparatus has

been damaged in a way, such as power-supply

cord or plug is damaged, liquid has been spilled

or objects have fallen into the apparatus, the

apparatus has been exposed to rain or moisture,

does not operate normally, or has been dropped.

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IMPORTANT

For best results, please read this Instruction Booklet prior

to installing the EX27 camera.

EU Directives covered by this declaration:

72/9/EC Low Voltage Directives

89/336/EEC Electromagnetic Compatibility Directive

This installation should be made by a qualified service

person and conform to all local codes.

Bosch Security Systems will not be responsible for

injuries or damages resulting from the improper installation

or use of any camera sold by Bosch Security Systems,

their agents, distributors or dealers.

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NOTE: This equipment has been tested and found to

comply with the limits for a digital device, pursuant to part

15 of the FCC rules. These limits are designed to provide

reasonable protection against harmful interference in a

residential installation. As part of its’ normal operation this

device can generate radio frequency energy and if not

installed and used in accordance with the installation

manual may cause interference to radio communications.

However, there is no guarantee that interference will not

occur on a particular installation. If the device does cause

interference to radio or television reception the user is

encouraged to try to correct the interference by one or

more of the following measures:

1) Fit Ferrite beads on all cable to and from the power

supply box, within the box walls.

2) Route the composite cable between the camera and the

power supply in steel conduit piping over the entire run of

the cable up to and including connection to a deep conduit

base fitted under the camera and a conduit fitting adaptor in

the wall of the PSU box.

3) Contact a Bosch Service Center for further advice.

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INDEX – EX27/27N/EX27D

DESCRIPTION....................................................... 7

UNPACKING.......................................................... 8

EX27/EX27N MECHANICAL SPECIFICATIONS... 9

EX27D MECHANICAL SPECIFICATIONS........... 10

INITIAL PREPARATIONS.................................... 11

GUIDELINES........................................................ 12

VOLTAGE INPUT................................................. 13

CAMERA AND LENS ACCESS ........................... 14

PHOTOCELL ADJUSTMENTS ............................ 17

10. LENS ADJUSTMENTS......................................... 19

11. OSD MENU SYSTEM .......................................... 21

12. TROUBLESHOOTING GUIDE............................. 40

13. GENERAL SPECIFICATIONS ............................. 43

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1. DESCRIPTION

The EX27 camera is an all-weather system that

includes all of the best features of a “plug and

play” camera without compromise to CCD optics

and lens quality.

Full size vari-focal auto-iris lenses are integrated

as standard equipment for simplified

installations. High resolution extended day/night

CCDs ensure that a picture is received under

extreme outdoor lighting conditions.

The EX27 is rugged, compact, power protected,

weather sealed, easily installed and designed for

use in industrial applications.

A voltage regulator circuit automatically allows

for 12VDC or 24VAC operation without any

wiring changes. Its wider voltage range also

provides protection from voltage surge, transient

spikes, and reverse voltage.

The EX27 is available in several models to meet

individual requirements or specific needs.

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2. UNPACKING

Care should be taken when unpacking. Check the

parts list and confirm all items have been located.

Inspect the equipment thoroughly to ensure nothing

was damaged in transit.

Contact a Bosch Service Center if a problem is

noted, see the rear page of this booklet for contact

numbers.

PARTS LIST (items supplied with unit)

- EX27/EX27N/EX27D camera assembly

- Installation Instructions

- Universal type pan/tilt mounting bracket with

¼ - 20 captive nut

-3mm Allen key

ITEMS REQUIRED FOR INSTALLATION

(not supplied with unit)

- Hardware for camera mounting (bolts, etc.)

- Mounting tools and wrenches

- Optional mounting brackets (contact

Bosch for details and prices)

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3. EX27/EX27N MECHANICAL

SPECIFICATIONS

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4. EX27D MECHANICAL SPECIFICATIONS

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5. INITIAL PREPARATIONS

 Determine the operating voltage at the

installation site.

 All cameras have been tested prior to

shipment.

Select a suitable location that is protected from

accidental damage, tampering, and

environmental conditions exceeding the camera’s

specifications.

Caution: The selected mounting location should

not place the camera in a situation where its

environmental specifications could be exceeded.

Ensure the selected location is protected from

falling objects, accidental contact with moving

objects, and unintentional interference from

personnel. Follow all applicable building codes.

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6. GUIDELINES

The following installation guidelines must be

followed:

 Locate the camera such that it cannot be

easily interfered with, either intentionally or

accidentally.

 Select a mounting surface capable of

supporting the combined weight of the

camera and mounting hardware under all

expected conditions of vibration and

temperature.

 Secure all cabling.

 Installations on drywall must use a ¼” bolt

and drywall butterfly type anchor or superior

connection.

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7. VOLTAGE INPUT

The camera unit is pre-connected with an

electrically isolated power board for 24VAC or

12VDC operation with no wiring change or wiring

polarity. See figure 7-1 for wiring details.

Note: Input voltage is 10.5VDC to 40VDC for DC

input. The AC input range is 12VAC to 28VAC.

Power

from

supply

Power

OUT

camera

FIGURE 7 – 1

12VDC or 24VAC

Electrically Isolated Board

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8. CAMERA AND LENS ACCESS

The following steps show the installer how to

access the camera board and the camera lens.

Step 2.1 - Remove the four cap screws with a

3mm Allen key. See Figure 8-1 on

page 15.

Step 2.2 - Carefully slide out the rear housing

from the main enclosure. Make sure

the gasket remains with the rear

section. See Figure 8-2 on page 16.

Step 2.3 - Make any necessary camera or lens

adjustments as described in

Section 9, 10 or 11.

Step 2.4 - Carefully slide the rear section into

the main enclosure and tighten the

cap screws.

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Cap

screw

FIGURE 8 – 1

Rear Housing Removal

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FIGURE 8 – 2

Camera and Lens Access

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9. PHOTOCELL ADJUSTMENTS

The photocell settings are optimally set from the

factory; only adjust these settings if experiencing

undesired day/night switching operation. To

increase the night switching sensitivity turn the

dial clockwise, to increase the day switching

sensitivity turn the dial counter-clockwise. For

EX27N versions refer to figure 9-1. For EX27 and

EX27D refer to figure 9-2.

Power to

LED Array

Photocell

Adjustment

12V

Enable

Power

Input

FIGURE 9 – 1

EX27N LED Array Power Board

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Photocell Adjustment

FIGURE 9 – 2

EX27/EX27D Day/Night Switch

Adjustment

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10. LENS ADJUSTMENTS

Refer to figure 10-1 and follow the directions below:

 Loosen the lens set screws for focus/zoom

adjustments.

 The adjustment marked T ←→ W is for image

zoom.

 The adjustment marked N ←→ ∞ is for image

focus.

 Re-tighten the setscrews after focus adjustments

have been completed.

FIGURE 10 – 1

EX27 Vari-focal Lens Focus Adjustment

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Use a Neutral Density filter or an Infra-Red Pass filter to

cover the lens during focusing to simulate low light

conditions on scene for correct 24-hour focusing. For vari-

focal lenses, the camera should be focused with the lens

iris fully opened to simulate the worst possible depth of

field. Using a Neutral Density filter or Infra-Red Pass filter

will ensure the iris is fully open for correct setup and

adjustment.

Note that statement above is applicable only for Day/Night

or IR version cameras.

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11. OSD MENU SYSTEM

1. Follow the instructions in Section 8 to

access the OSD controls.

2. Enter the OSD menu by pressing the

joystick button; to navigate through the

menu use up, down, left and right.

3. Follow the instructions below to make

camera adjustments.

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12. TROUBLESHOOTING GUIDE

PROBLEM

POSSIBLE

CAUSE

LIKELY

SOLUTION

No Video

1. Power Supply:

-Connections….

Check input power

connections at the

cable leads.

Check for loose

wires.

-Voltage Range...

If connected to DC,

check voltage input

range of 10.5 - 40 V.

If connected to AC,

check input voltage

range of 12 – 28 V.

Measure the voltage

at the Input terminal

block.

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No Video

(cont’d.)

2. Video

Connections

Determine if wiring

polarity at “Video

Connector” terminal

block is correct.

Check BNC

connector.

If still no video,

connect the camera

directly to the

monitor. Check the

video signal. If okay,

the problem is with

the interconnections.

If still no video,

contact a Bosch

Service Center.

See rear page of

this manual for

contact

information.

_________________

Ensure video cable is

correctly matched

and terminated with

75 ohms at each end.

Make sure video

cables are similar

types.

__________ ________________

Poor

Picture

Quality

Snowy

Image

Poor Video Signal

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Poor

Picture

Quality

Snowy

Image

(cont’d.)

Noisy Power

Supply

Check connections.

Relocate or replace

power supply.

Horizontal

Scan Lines,

Rolling Up

or Down

Ground Looping on

video cable

Check the coax cable

shield is not touching

ground, e.g. at

couplings.

An electrically

isolated circuit board

or isolation

transformer may be

required.

24V ac operation

Low voltage

Line Lock adjustment

required.

Negative,

scrambled,

or faded

image

Check voltage at

input power cable.

Must be >10.5V dc or

>12V ac.

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13. GENERAL SPECIFICATIONS

Input Voltage:

10.5-40 VDC

12-28 VAC

(50/60Hz), 4.5W

Enclosure (housing): Aluminum casting and

extrusion (sealed to

IP66 / NEMA4)

Viewing Window:

Weight:

Polycarbonate

1.4kg ( 3.1lbs. )

Subject to Change Without Notice.

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Notes:

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Notes:

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Notes:

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Notes:

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Americas

Bosch Security Systems, Inc.

850 Greenfield Road

Lancaster, Pennsylvania 17601 USA

Telephone: + 1 888-289-0096

Fax:

+ 1 585-223-9180

[email protected]

www.boschsecurity.us

Europe, Middle East, Africa

Bosch Security Systems B.V.

P.O. Box 80002

5600 JB Eindhoven, Netherlands

Phone: + 31 40 2577 284

Fax: + 31 40 2577 330

[email protected]

www.boschsecurity.com

Asia Pacific

Bosch Security Systems Pte Ltd.

11 Bishan Street 21, Singapore, 573943

Phone: +65 6319 3450

Fax: +65 6319 3499

[email protected]

www.boschsecurity.com

to change with out notice

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