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DISTR IBUTION SOLUTIONS
UniSec
Installation manual
Index
Safety
2
Introduction
3
1. Product information
4
1.1 Unit dimensions
4
1.2 Weights
7
2. Transport and storage
8
2.1 Condition on delivery
8
2.2 Unpacking at installation site
8
2.3 Handling the units as far
as the installation site
9
2.4 Temporary storage
11
2.5 Delivery responsibilities
12
3. Assembly of the switchgear on site
13
3.1 General warnings and cautions
13
3.2 Preparations
13
3.3 Dimensional foundation drawings
13
3.4 Foundations
23
3.5 Installation procedure for units
23
3.6 Gas vent ducts
34
3.7 Coupling to panels with withdrawable
circuit-breaker and switch-disconnector
(GSec)
38
4. Cable connections
39
4.1 Installing the cables
39
4.2 Control cables
45
4.3 Earthing the switchgear
45
4.4 Final installation work
46
A. Tightening torques for steel screws and
nuts/bolts
47
B. Tools required for installation
51