17 Description
17.1 Description of multibox MUB and MUB (UL)
• Speed-variable
• Multifunctional use
• Integrated thermo-contacts
• Low sound level
• Blow-out direction can be changed on site at any time without any problems
• Safe for operation and maintenance-free to a great extent
• Installation possible in any position
MUB fans have been equipped with bent-backwards, free-running fan wheels of polyamide and vol-tage-variable external rotor
motors. An exception is formed by the Multibox MUB 062 630 D4-A2, in which the speed variation is only possible by a frequency
inverter.
The 400V version is suitable for D/Y connection and makes 2-level operation possible (not with Multi-box MUB 062 630 D4-A2). An
internal thermo-contact with nished lines for connection to a motor protection device has been installed as an overheating protection
for the motors of the MUB fans.
The frame section of the housing comprises corrosion-proof aluminium with aluminium or alternatively plastic corners. In this way, the
highest possible impact resistance is guaranteed. The housing itself comprises double-shelled panels of galvanised sheet metal with a
20 mm mineral wool insulation.
For thermal decoupling, the side sheets have tabular rivets. As a default, the Multibox fans have been designed for a straight air
throughow. As a result of their replaceable elements, they can easily be retted. This permits exible solutions in the area of ventila-
tion. MUB fans can thus be used in the rack system area as air-feed or waste air devices.
The Multiboxes are suitable for the conveying of clean air, air with a low dust and grease content, me-dia up to a max. air density of
1.3 kg/m3 and an admissible moisture of max. 95%.
1
2
4
5
4
6
3
1
Fig. 1: MUB with accessories
Legende
1 FGV Flexible connection 4 SRKG Shutter ap
2 WSG Weather-protection grid 5 WSD Weather-protection roof
3 USG Transition connections, square to round 6 MUB Multibox MUB, MUB (UL), MUB-EC
33
Multibox MUB - V 1.0
Description
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