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Project/ElectricalWorks: Difference between revisions
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== Planned Projects ==
* [[Project/ElectricalWorks/MainRoomRefit|Main Room re-work project - Power for the west wall, and the 3d printers]]
* Test and sort out the emergency lighting
* Install new emergency lighting for the Laser Room and back stairs
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* Move upstairs lights onto the Kitchen board
* Replace failing sockets on Workshop pillars
* Balance power phases - move load off L3 onto L1 & L2
* Replace NVR switch on bandsaw - difficult to switch off
* Install dedicated circuit for door reader
== Completed Projects ==
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* Fit new overhead lighting for the kitchen table
* Fit lighting socket above stairs for feature lighting
* Replaced failed e-stop contactor in Main Workshop. Fix e-stop / keyswitch contention problem.
* Install additional double socket in Laser Room for new leather sewing machine
* [[Project/ElectricalWorks/DB3aRework|Rebuild board DB3A; provide power for new planer thicknesser]]
* Replaced broken socket in kitchen
* Investigate building power monitor and re-instate
* Install fused spur for the [[tools/aircleaner|Air Cleaner]]. Remove chained extension leads.
* Replace damaged socket on east wall. Switch welded closed due to overload.
== Reference Information ==
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File:Isolator.jpg|Isolation switch
File:Zone23board.jpg|Main 3-phase board - Main supplies for the lab
File:Detail_main_board.jpg|Main
File:DB1A.jpg|Single phase sub-board DB1A - emergency stop circuits in the Workshop
File:Detail_db1a.jpg|Board DB1A
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File:E-stop_02.jpg|Emergency stop contactor detail
File:E-stop_reset.jpg|Emergency stop reset switch
File:3phaseoutlets.jpg|3-phase
File:Emon_tx.jpg|Energy Monitor transmitter
File:Test_switches.jpg|Emergency Lighting test switches
File:Detail_kitchen.jpg|Kitchen Board
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=== Distribution Board Schedules ===
<big>'''This schedule is accurate as of
{|class="wikitable"
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!Notes !! Make !! Icn !! Curve !! Rating !! Type !! colspan="2" | Circuit !! Type !! Rating !! Curve !! Icn !! Make !! Notes
|-
| style="background-color:#ffcccc;" | Lobby Lights || style="background-color:#ffcccc;" | Merlin Gerin || style="background-color:#ffcccc;" | 10K || style="background-color:#ffcccc;" | B || style="background-color:#ffcccc;" | 6A || style="background-color:#ffcccc;" | MCB || style="background-color:#ffcccc;" | 1L1 || rowspan="3" | 4 || rowspan="3" | MCB || rowspan="3" |
Feed for DB3A
|- style="background-color:#f0f0a0;"
| Loading Bay Lights || Merlin Gerin || 10K || B || 10A || MCB || 1L2
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| style="background-color:#ffcccc;" | Toilet Heaters || style="background-color:#ffcccc;" | Merlin Gerin || style="background-color:#ffcccc;" | 10K || style="background-color:#ffcccc;" | C || style="background-color:#ffcccc;" | 10A || style="background-color:#ffcccc;" | MCB || style="background-color:#ffcccc;" | 2L1 || rowspan="3" | 5 || rowspan="3" | MCB || rowspan="3" | 20A || rowspan="3" | B || rowspan="3" | 10K || rowspan="3" | Merlin Gerin || rowspan="3" | 3-phase, Metal Lathe
|- style="background-color:#f0f0a0;"
|
|- style="background-color:#a0ccff;"
| Data Rack || Merlin Gerin || 10K || B || 15A || MCB || 2L3
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{|class="wikitable"
|+ Distribution Board DB2A, MK Single Phase, 100A. Dual 30mA RCD board. Fed from L3 phase directly.
|-
!Circuit !! Type !! Rating !! Curve !! Icn !! Make !! Notes
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| 1 || MCB || 40A || B || 6K || MK || Water Heater
|- style="background-color:#ccffcc;"
| 2 || MCB || 16A || B || 6K || MK ||
|- style="background-color:#ccffcc;"
| 3 || MCB || 20A || C || 10K || Chint || Upstairs heatpump
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'''Distribution Board DB3A'''
32A 3-phase panel, connected via an emergency stop contactor.
The metal lathe has a junction in here as well.
{|class="wikitable"
|+ Distribution Board DB3A, Three Phase, 32A. On E-stop circuit
|-
!Circuit !! Type !! Rating !! Curve !! Icn !! Make !! Notes
|-
| 1 || 30mA 3-phase RCBO || 16A || C || 6K || MCG || Pillar Drill
|-
| 2 || 30mA 3-phase RCBO || 16A || C || 6K || MCG || Pedestal Grinder
|- style="background-color:#ffcccc;"
| 3 || 30mA RCBO || 16A || C || 6K || MCG || West Pillar 16A socket
|- style="background-color:#f0f0a0;"
| 4 || 30mA RCBO || 16A || C || 6K || MCG || East Pillar 16A socket
|- style="background-color:#a0ccff;"
| 5 || 30mA RCBO || 16A || C || 6K || MCG ||
|}
{|class="wikitable"
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| 10 || MCB || 6A || B || 6K || BG || Kitchen Lights
|}
== Notes ==
[[File:Switch contacts.jpg|left|400px|thumb|Welded socket contacts]]
[[Category:Projects]]
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