Intrinsically Safe Radio Information; Fmrc Approved Equipment - Motorola P Series Basic Service Manual

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Table Of Contents

Table of Contents

1.0

FMRC Approved Equipment

Anyone intending to use a radio in a location where hazardous concentrations of ßammable material

exist (hazardous atmosphere) is advised to become familiar with the subject of intrinsic safety and

with the National Electric Code NFPA 70 (National Fire Protection Association) Article 500

(hazardous [classiÞed] locations).

An Approval Guide, issued by Factory Mutual Research Corporation (FMRC), lists manufacturers

and the products approved by FMRC for use in such locations. FMRC has also issued a voluntary

approval standard for repair service (ÒClass Number 3605Ó).

FMRC Approval labels are attached to the radio to identify the unit as being FM

Approved for speciÞed hazardous atmospheres. This label speciÞes the hazardous

Class/Division/Group along with the part number of the battery that must be used.

Depending on the design of the portable unit, this FM label can be found on the

back of the radio housing or the bottom of the radio housing.Their Approval mark is shown above.

WARNING: Do not operate radio communications equipment in a hazardous atmosphere

unless it is a type especially qualiÞed (e.g. FMRC Approved) for such use. An explosion or

Þre may result.

WARNING: Do not operate the FMRC Approved Product in a hazardous atmosphere if it has

been physically damaged (e.g. cracked housing). An explosion or Þre may result.

WARNING: Do not replace or charge batteries in a hazardous atmosphere. Contact sparking

may occur while installing or removing batteries and cause an explosion or Þre.

WARNING: Do not replace or change accessories in a hazardous atmosphere. Contact

sparking may occur while installing or removing accessories and cause an explosion or Þre.

WARNING: Do not operate the FMRC Approved Product unit in a hazardous location with the

accessory contacts exposed. Keep the connector cover in place when accessories are not

used.

WARNING: Turn radio off before removing or installing a battery or accessory.

WARNING: Do not disassemble the FMRC Approved Product unit in any way that exposes

the internal electrical circuits of the unit.

Radios must ship from the Motorola manufacturing facility with the hazardous atmosphere capability

and FM Approval labeling. Radios will not be ÒupgradedÓ to this capability and labeled in the Þeld.

A modiÞcation changes the unitÕs hardware from its original design conÞguration. ModiÞcations can

only be done by the original product manufacturer at one of its FMRC audited manufacturing

facilities.

WARNING: Failure to use an FMRC Approved Product unit with an FMRC Approved battery

or FMRC Approved accessories speciÞcally approved for that product may result in the

dangerously unsafe condition of an unapproved radio combination being used in a

hazardous location.

Unauthorized or incorrect modiÞcation of an FMRC Approved Product unit will negate the Approval

rating of the product.