Bosch EX70MNX804-N User manual

Precision Engineered Opto-Electronics™

EX70 / 70N

Explosion Protected Camera

INSTALLATION INSTRUCTION

Class 2 circuits shall be supplied from a Class 2 transformer, or

a) A Class 2 power supply or device or

b) Where the voltage does not exceed 20 volts, a 5 ampere

(maximum) mini circuit breaker or a 5 ampere non-

interchangeable fuse.

IMPORTANT

Please read this Instruction Booklet prior to installing the

EX70 and EX70N Explosion Protected Camera.

WARNING !

ATEX Approved or CSA Certified / UL Listed CLASS 2 power

adaptors must be used in order to comply with electrical safety

standards.

Only qualified personnel shall install any Bosch Security Systems,

Inc. surveillance product. any Bosch Security Systems, Inc. will not

be responsible for injuries or damages resulting from the improper

installation or use of any product sold by any Bosch Security

Systems, Inc., their agents,distributors, or dealers

EU Directives covered by this declaration:

72/9/EC Low Voltage Directives

89/336/EEC Electromagnetic Compatibility Directive

94/9/EC Equipment or Protective System for use in

Potentially Explosive Atmospheres.

Certifications / Compliance:

CSA-NRTL: MC 189936

Class: 2258 02

Process Control Equipment – For

Hazardous Locations

2258 82

Process Control Equipment – For

Hazardous Locations – Certified to US

Standards

Safety: Class I, Div 1, 2, Groups B,C,D

Class II, Div 1, 2, Groups E,F,G

Class III

T6 Temperature Code

Environmental: CSA / NEMA TYPE 4X

DEMKO: 07 ATEX 142765X

II2G Ex d IIc T6

ATEX Category 2 (Gas) equipment designed for

installation in Zone1. Protection by constructional safety

using flame proof enclosure, suitable for Coal Disulphide

environments with maximum equipment surface

temperature of 85°c

INDEX

Page

Description...................................................1

Unpacking....................................................2

Parts List......................................................2

Items Required for Installation.....................2

Initial Preparations.......................................3

Guidelines....................................................3

Section 1. Cover Removal...........................4

Section 2. Input Power Connections ...........6

Section 3. Mounting – Camera Base...........9

Section 4. Camera/LED Adjustments........11

Section 5. Camera Re-Assembly ..............15

Section 6. Troubleshooting, Camera.........20

Section 7. Troubleshooting, LEDs.............23

Section 8. General Specifications..............24

DESCRIPTION

The EX70 and EX70N Explosion Protected

Cameras have been designed for surveillance

applications in hazardous areas. Each camera’s

ATEX-rated housing consists of a heavy-duty

aluminum casting with a chemical resistant

viewing window. The housing is also NEMA

rated for watertight use.

The EX70 has been engineered for surveillance

reliability during daylight operation, while the

EX70N offers total surveillance protection during

day and night situations.

A voltage regulator circuit allows for 12V dc or

24V ac operation, and a range in between, also

providing protection from voltage surge,

transient spikes, and reverse voltage.

The EX70 and EX70N cameras are available in

several models designed to meet specific needs.

For additional information and specifications,

please contact your Bosch Security Systems

representative.

UNPACKING

Care should be taken when unpacking the

shipped unit. Check the parts list and confirm all

items have been located. Inspect the equipment

thoroughly to ensure nothing was damaged in

transit.

Contact Bosch Security Systems if a problem is

noted. See the rear of the booklet for contact

numbers.

PARTS LIST (items supplied with unit)

•EX70/EX70N Camera

•Installation Instructions booklet

ITEMS REQUIRED FOR INSTALLATION

(not supplied with the shipped unit)

•Long shaft Philips screwdriver

•Regular Philips screwdriver

•Small slotted screwdriver

•Mounting hardware

*Ensure zone conditions are observed and regional

health & Safety regulations are applied.

INITIAL PREPARATIONS

•The camera voltage regulator board

(VRB) accepts an input voltage of either

12V dc or 24V ac, and a range in-between,

from a regulated power supply.

•The VRB automatically switches between

ac or dc inputs, therefore no internal wiring

changes are necessary to accommodate

these input voltages.

•Determine the optimum location for the

camera.

•All cameras have been tested prior to

shipment.

GUIDELINES

The installation of the EX70and EX70N is

explained in Sections 1 to 5 listed below.

It is important that these steps are followed in

sequence:

1. Cover Removal

2. Input Power Connections

3. Mounting - Camera Base

4. Camera / LED Array Adjustments

5. Camera Re-Assembly

1. COVER REMOVAL

The camera’s cover must be removed prior to

adjustment for LED brightness or setting the

camera’s lens angle. The set-screw located at

the bottom of the cover casting is not tightened

at the factory and protrudes by 1/8" (3mm) in

order for the cover to be easily rotated.

Make sure the O-Ring gasket at the base of the

threads is not damaged or dislodged during the

cover’s removal process.

Refer to Figure 1 – 1.

Step 1.1 - Place the camera casting assembly

on a flat surface.

Step 1.2 - Firmly hold the base with one hand

and rotate the cover in a counter-

clockwise direction with the other

hand. Do not use a screwdriver or

other metal device during this

procedure.

Step 1.3 - Remove the cover and set it aside in

a safe place.

Video Output Cable Power Input Cable

FIGURE 1 – 1

Cover Removal

Cove

Set-Scre

Camera

and LED

Array

Assembl

Camera

Body

Base

Castin

O-Ring

Gasket

2. INPUT POWER CONNECTIONS

Attention: External Video Cable Systems Must

Be Properly Grounded In Accordance With The

National Electrical Code, ANSI/NFPA 70.

The EX70 and EX70N cameras are pre-

connected with an electrically isolated power

board (VRB) for 24V ac or 12V dc operation,

with no change to the polarity of the wires.

The VRB also connects to the camera and to the

Line Lock Board (if available).

See Figures 2 – 1 and 2 – 2.

NOTE:

For DC input, the input voltage range is

10.5V dc to 40V dc.

The recommended input current from the power

supply should be approximately 1 Amp.

For AC input, the input voltage range is

12V ac to 28V ac.

The recommended input current from the power

supply should be approximately 1 Amp.

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