PREFaCE
Using this manual
This manual is intended to be used as a work of reference for
professional, well trained and authorised users to be able to
safely install, use, maintain and repair the product mentioned
on the cover of this document.
Pictograms and symbols
The following pictograms and symbols are used in this manual:
TiP
Suggestions and recommendations to simplify
carrying out tasks and actions.
aTTENTiON
A remark with additional information for the user. A
remark brings possible problems to the user's
attention.
CaUTiON!
Procedures, if not carried out with the necessary
caution, could damage the product, the workshop or
the environment.
WaRNiNg!
Procedures which, if not carried out with the
necessary caution, may damage the product or
cause serious personal injury.
CaUTiON!
Risk of electric shok.
WaRNiNg!
Fire hazard! Important warning to prevent fire.
WaRNiNg!
Explosion hazard! Important warning to prevent
explosions.
Personal protective equipment (PPE)
Instruction to use respiratory protection when you
do service, maintenance and repair jobs, as well as
during functional testing. We recommend to use a
half-face respirator according to DIN EN 141/143,
protection class P3.
Personal protective equipment (PPE)
Instruction to use protective gloves when you do
service, maintenance and repair jobs.
Text indicators
Listings indicated by "-" (hyphen) concern enumerations.
Listings indicated by "•" (bullet point) describe steps to
perform.
service and technical support
For information about specific adjustments, maintenance or
repair jobs which are not dealt with in this manual, please
contact the supplier of the product. He will always be willing to
help you. Make sure you have the following specifications at
hand:
- product name
- serial number
You can find these data on the identification plate.
1
iNTROdUCTiON
1.1
Identification of the product
The identification plate contains, among other things, the
following data:
0000112315/011017/0 MDB-2/HV
- product name
- serial number
- supply voltage and frequency
- power consumption
1.2
general description
The MDB-2/HV is a filter unit with integrated high vacuum
(HV) fan for connection to max. four welding torches via an
extraction duct. The fan is placed in a sound absorbing box. An
additional duct silencer on the outlet of the unit further
enhances the sound level.
A control box with integrated PLC is installed on the frame of
the unit.
1.3
Technical specifications
general
Weight:
- base incl. filter module
- fan incl. housing
Capacity of dustbin
Sound level
Connection voltage
Filter cartridges (CaRT-PTFE/10)
Filter material
Filter surface
Filter class
Fan (sC901mg12.5T)
Fan type
Power
Current
Negative pressure
Motor speed
Material
Protection class
Compressed air system
Required compressed air
quality
Required pressure
Compressed air connection
Compressed air consumption
(per pulse)
1.4
dimensions
Refer to Fig. I on page 19.
1.5
ambient conditions
Process temperature:
- min.
- nom.
- max.
Max. relative humidity
Suitable for outdoor use
1.6
Transport of the unit
The manufacturer cannot be held liable for any transportation
damage after delivery of the unit. Always handle the unit and
the accompanying options and/or accessories, if any, with
care.
- 150 kg
- 250 kg
90 litres
max. 66 dB(A)
400V/3ph/50Hz
100% polyester with PTFE membrane
2 x 10 m²
M according to DIN EN 60335-29
high vacuum side channel fan
12,5 kW
28 A
max. 27000 Pa at 650 m³/h
2900 rpm
die-cast aluminium
IP 55
dry and oil-free according to ISO
8573-3 class 6
4-5 bar
8 mm push-in fitting
35 nl
- 5°C
- 20°C
- 70°C
80%
no
EN - 3