ABB MNS-Up, Service Manual

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M N S - U P
SER V I C E M A N UA L
7.2 Clearance above MNS-Up system
The MNS-Up system uses forced ventilation to keep the UPS module temperature constant.
The air inlet to the UPS section is from the front, the air outlet is on the top. Therefore, there must be a clear-ance of at least
100 cm above the MNS-Up UPS section.
80 – 150 mm 80 – 150 mm
1000
mm
Figure 7-02 Clearance above MNS-Up system
7.3 Clearance behind MNS-Up system, clearance in front of the section
Clearance around MNS-Up sections must be:
Clearance to front min. 1000 mm
Clearance to left side walls min. 80 mm
Clearance to right side walls min. 150 mm
Clearance to back wall min. 80 mm
80 – 150 mm
80 – 150 mm
80
–
150
mm
1000
mm
Figure 7-03 Clearance above MNS-Up system