Siemens NXAIR - Page 148

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Accessing the connection compartment through the rear

148 NXAIR / ≤ 40 kA 110-0084.9 / 15

To remove, pull the upper rear wall (2) downwards by the handle. Store the rear wall.

✓

Access to the connection compartment through the rear side of the panel is given.

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Safety Instructions3
Table of Contents4
General Instruction7
General Instructions7
Five Safety Rules of Electrical Engineering7
Hazardous Substances7
Personal Protective Equipment (PPE)8
Due Application8
Qualified Personnel9
Preparing Installation10
Preliminary Clarifications10
Switchgear Room10
Foundation10
Dimensions of the Switchgear Room12
Switchgear with Absorber13
Switchgear with Evacuation Ducts14
Intermediate Storage15
Intermediate Storage of the Transport Units16
Accessories16
Tools17
Comments on Electromagnetic Compatibility18
Installation and Fixing Material Without Additional Earthquake Stabilization19
Installation and Fixing Material with Additional Earthquake Stabilization22
Drilling Template for Additional Earthquake Stabilization25
Unloading and Erection27
Transport Units and Packing27
Unloading27
Checking for Completeness and Transport Damage28
Center of Gravity of the Panel29
Transport Weights and Dimensions Without Packing30
Transport to the Place of Installation (Switchgear Room)31
Removing the Transport Units from the Wooden Pallets31
Applying the Lifting Tool at the Panel33
Mounting the Craning Angles34
Lifting with Crane Rods37
Lifting by Means of Chains and Crane Hooks41
Further Transport Without Wooden Pallets43
Installing the Transport Units46
Foundation Cutouts46
Transport Protection at the Service Truck46
Assembling the Panels47
Tightening Torques and Control Tightening Torques for Bolted Joints47
Interconnecting the Panels, Preparation48
Undoing the Transport Fixing of the Busbars48
Aligning the Panels49
Fastening the Panels to the Foundation50
Assembling the Busbars53
Accessing the Busbar Compartment54
Closing the Busbar Compartment80
Bolting Panels Together86
Interconnecting the Earthing Busbar99
Earthing the Switchgear100
Installing the Fan for Forced Ventilation101
Switchgear Protection IP4X (Optional)113
Components Without Installation Activity113
Accessing the Connection Compartment through the Front115
Preparations before Accessing the Connection Compartment115
Accessing the Connection Compartment through the Switching-Device Compartment119
Accessing the Connection Compartment through the Switching-Device Compartment at Panel Versions with Ventilation System Type I124
Accessing the Connection Compartment through the Switching-Device Compartment at Panel Versions with Ventilation System Type II129
Accessing the Connection Compartment through the Switching-Device Compartment at Panel Versions with Voltage Transformer Compartment133
Accessing the Connection Compartment through the Rear140
Accessing the Connection Compartment through the Rear Side of the Panel141
Accessing the Connection Duct through the Rear Side of the Panel146
Electrical Connections149
Checking the Contact Surfaces149
Cutting the Rubber Sleeves to Size150
Use of Cable Lugs151
Cable Clamps152
Cable Sealing Ends153
Dimensions of Single-Core Cables154
Dimensions of Three-Core Cables156
Assembly of Cable Sealing Ends for Single-Core Cables (Except for Contactor Panel with Panel Width 435 MM)157
Assembly of Cable Sealing Ends for Single-Core Cables in Contactor Panel with Panel Width 435 MM160
Assembly of Cable Sealing Ends for Three-Core Cables (Except for Contactor Panel with Panel Width 435 MM)161
Assembly of Cable Sealing Ends for Three-Core Cables in Contactor Panel with Panel Width 435 MM166
Connecting Control Cables171
Connecting Bus Wires171
Closing the Connection Compartment / Connection Duct172
Installing the Vertical Partition in the Switching-Device Compartment173
Installing the Vertical Partition and the Ventilation Duct Type I in the Switching-Device Compartment177
Installing the Vertical Partition and the Ventilation Duct Type II in the Switching-Device Compartment182
Installing the Bushing Plate, the Vertical Partition and the Voltage Transformer Compartment in the Switching-Device Compartment186
Installing the Rear Wall on the Connection Compartment193
Installing the Rear Walls on the Connection Duct197
Final Assembly Work199
Cleaning the Switchgear199
Tightening Torques and Control Tightening Torques for Bolted Joints200
In Panels Without Ventilation Duct: Check the Floor Fixing in the Switching-Device Compartment201
Checking the Panel Connection Links201
Checking the Installation of the Wiring Duct Covers201
Checking Control Cable Connections201
Checking the Vertical Partition between the Switching-Device Compartment and the Connection Compartment201
Checking the Rear Wall at the Connection Compartment201
Checking the Bushings201
Checking the Withdrawable Part on the Service Truck / Checking the Switching-Device Truck202
Checking the Service Truck202
Checking and Completing Protection against Adverse Environmental Influences (Protection against Corrosion)203
High-Voltage Door with Ventilation Flap203
Checking Assembly Work204
Correcting Circuit Diagrams204
Installation Report204
Installation of Withdrawable Parts / Switching-Device Trucks205
Solenoid Interlocks (Optional) in the Operating Mechanism for Withdrawable Parts / Switching-Device Trucks205
Removing the Locking Bolts205
Commissioning Procedure206
Safety Instructions206
Update of the Firmware of Protection Relays206
Drying Dampness207
Instructing the Operating Personnel207
Checking the Accessories207
Checking the Interlocks Mechanically207
Test Operation208
Switching on Operational High Voltage209
Customer Support211
Service211
Repairs211
Before You Call211
Service Contact211
Service Information212
Switchgear Extension212
Spare Part Orders212
Replacement of Panels and Components212
Disposal212
Installation Report213
Index220

Siemens NXAIR - Page 148

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