Dictator RZ-24 Technisches Handbuch - Seite 4

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Technical Manual

RZ-24 Central

Ignition Protection Type

- cont.

Installation, Connection

Instructions for Wiring

Repairs

Page 07.021.4

Page 07.021.04

General Safety Instructions - cont.

None of the used components may be modified without written consent

of the manufacturer. This applies in particular to the connection cables

of the magnets. If, for example, the connection cables are shortened,

consultation with our technical customer service department is mandatory

in advance.

When connecting the components of the ex-proof hold-open system,

besides the generally accepted codes of practice you must respect in

particular the on-site requirements, the Equipment and Product

Safety Act, the Ordinance on Hazardous Substances, the Law

on operational safety and other relevant prescriptions for

installations in hazardous areas.

Outside the hazardous area you can use the usual method for connection.

However, inside the hazardous area you may only use certificated

material, e.g. EEx-e terminals and EEx-e terminal boxes. When using

approved electromagnets with IP 65 terminal, please contact our technical

customer service department.

The connection cables have to be installed in such a way that they cannot

be moved and are sufficiently protected against damage. Also here you

strictly have to adhere to the requirements of the respective operating

company. All components of the system, the cables and their connections

have to be clearly marked by the installation contractor.

If nothing else is required on site or by special regulations, the following

specifications have to be respected:

- All works on current circuits may only be effected in the de-

energized state.

- Current circuits of the ignition protection type "m"

(electromagnets): Here it is imperative to respect the demands for

the correct connection of the electromagnets (e.g. every magnet has

to be fused individually, the fuse being upstream of the magnet). Apart

from that apply the requirements of a "normal" installation.

- Current circuits of the ignition protection type "i" (intrinsic

safety) (smoke detectors): Intrinsically safe current circuits have

spatially to be separated from not intrinsically safe ones (separate

laying of cables!). Intrinsically safe current circuits have to marked as

such. When using colour for marking, the cables have to be light blue.

The marking should also include the cable ducts, possible connection

boxes etc.

- Equipotential bonding conductor: The cable (yellow/green) has

to have a cross section of 4 mm

All defect ex-proof components MUST be sent to the factory for repair. An

exchange of the components is possible, an on-site repair unfortunately

not. If the damage of one or more components of an installation might

cause un unsafe state, the complete system has to be shut down until it

has been repaired and is safe again.

Tel. +49(0)821-24673-0 • Fax +49(0)821-24673-90 • E-mail [email protected] • 20220325