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80
M N S - U P
SER V I C E M A N UA L
Item no.
Work to be performed
Measured, test and limit
values, operating and
auxiliary materials
Frequency installation category
Remarks
A
B
C
1
Main contact to be checked either according to mentioned time intervals or at latest, after 100 cycles.
– Check electrical
contacts
– Main contact
– Control plug
– Fastening of outgoing
cable unit
– Protective conductor
connection
– Visual inspection
– Check of contact force
– Greasing
– Position; the outgoing
cable unit might be
pressed out of its normal
position by strong cable
forces
– Condition of the roller in
the compartment bottom
plate
2a1
1a1
X
Refer to chapter 5.5
Refer to chapter 5.6
2.2
2.2.1
Fixed, PI-, modules
MCCs and outgoing
energy distribution
feeders
Cf. also item no. 1.3:
General inspection
2.3
Direct connection
(incoming and outgoing
feeders with circuit
breaker
Additional checks:
– Check main switching
device
– Check current trans-
former arrangement
– Check supports at
angle and connection
sets
– Condition of parti-
tioning (if available)
– Check external
connections
– Visual inspection of main
connections
– Color change at switch
main connections
– Condition of main and
eroded contacts
– Function test
– Fastening of transformers
– Secondary cable routing
– Condition of transformer
housings
– Check screwed
connections
– Mechanical condition
of supporting plate
– Formation of creepage
paths
– Check screwed
connections
– Check cable strain relief
– Cable routing,
min. bending radii, edge
protection, etc.
1a
1a
1a
6m
6m
6m
X
X
X
Analogous to item 1.3
“General inspection of
switchgear assembly”
Procedure in accordance with
manufacturer´s instructions
m: monthly
n: insertion cycles of modules
a: annually
x: test in the event of a fault (e.g. after a short-circuit)
Summary of Contents for MNS-Up
Page 6: ... 01 Introduction ...
Page 8: ... 02 Safety first ...
Page 12: ... 03 General technical data ...
Page 16: ... 04 System description ...
Page 18: ... 05 Packing storage and transportation ...
Page 36: ... 06 Transport ...
Page 40: ... 07 Erecting ...
Page 47: ...47 ERECTING ...
Page 48: ... 08 MNS Up configuration ...
Page 52: ... 09 MNS Up Module installation ...
Page 55: ...55 MNS UP MODULE INSTALL ATION ...
Page 56: ... 10 Handling of EMC boards ...
Page 59: ...59 HANDLING OF EMC BOARDS ...
Page 60: ... 11 Communication boards ...
Page 62: ... 12 MNS 3 0 sections ...
Page 64: ... 13 Commissioning ...
Page 66: ... 14 Operating of MNS Up system ...
Page 68: ... 15 Tightening torques for screw connection in MNS Up ...
Page 72: ... 16 Spare parts ...
Page 74: ... 17 Onsite inspection and maintenance ...
Page 76: ... 18 Maintenance intervals ...
Page 81: ...81 MAINTENANCE INTERVALS ...
Page 83: ......