Drester Boxer Triple Combo DB33C Benutzerhandbuch - Seite 6

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The DRESTER BOXER TRIPLE C is equipment Category 2 (ref. ATEX-directive 94/9 EC) and may therefore be placed

in locations classified as Zone 1 (ref. ATEX-directive 1999/92 EC). If the DRESTER BOXER TRIPLE C is installed in

locations classified as Zone 2 (or in unclassified locations), the area within a radius of 1 m from the DRESTER BOXER T

RIPLE C is to be classified as Zone 1, and within a radius of an additional 2.5 m from the unit as Zone 2 (total

classification: 3.5 m around the machinery and 1 m above it). Within this area, all equipment such as electrical items

must be approved for the Zones described. Equipment that generates naked flames or sparks (e.g. welding or grinding

equipment) may not be used in this area. Smoking is not permitted. If in any doubt, contact the local fire service

authorities for advice.

Make sure that the unit is properly grounded by using the grounding cable (item 6 illustration 2).

This manual is part of the unit and must be available at all times.

INSTALLATION

Compressed air

The unit must be connected to compressed air of 7-12 bar (110-180 psi). When in use, the unit consumes 150 litres/

min (6 cfm) of air (450 litres/min (16 cfm) if connected to a DRESTER AIRVENT 11660).

The air is to be connected to the moisture trap inside the unit (item 1 illustration 2). To access this point, remove the

front panel (item 5 illustration 1) by lifting it up-and-out.

The air-line can be led into this point via the slots on the side of the unit, or through the open back of the unit. In either

case, make sure that the air-line do not bend the hoses or in any other way harm the pneumatic system of the unit.

To prevent pressure drops, the air line and couplings must be adequately dimensioned. The regulator on the unit is pre-

set to 6.5 bar (100 psi). This is the optimal setting and must not be altered.

The compressed air supplied to the unit must be clean and dry. If it is not first led through a water trap and filter, it may

cause damage to the pneumatic components of the unit, which will invalidate any warranty claims.

Fit a connector to the air-line on the left side of the unit (item 4 illustration 1). This air-line is intended to blow out the

spray-gun after the cleaning procedure.

Ventilation

There are three different options for the unit's ventilation. For all three options, it must be ensured that the speed of the

air flow at the opening of the hood is at least 0.5 m/s (this corresponds to a ventilation volume of 500 m3/h (310 cfm)).

The ventilation must be connected in such a way as to ensure the grounding of all parts.

Option 1: Connect the flange of the hood (item 3 illustration 1) directly to a metal ducting, which is in turn connected to

a ventilation system approved for Zone 1. The ventilation capacity must be at least 500 m3/h (310 cfm).

Option 2: Fit an air-driven DRESTER AIRVENT 11660 to the hood and connect this in turn to a metal ducting. This

ducting can either lead outdoors or be connected to a ventilation system approved for Zone 1. The ducting must have a

smooth inner surface, may not be longer than 15 metres and shall be installed so that it is as straight as possible.

Option 3: Connect the hood to an electric ventilator of a kind like DRESTER MINIVENT 2055 via a metal ducting. The

exhaust from the ventilator must be led outdoors.