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logic

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  1. P

    Dimmable LED Tubes (T8) and retrofitting

    Hi, does anyone know a reliable LED T8 Tube for replacing 1800 T8 fluorescents? I found these- are they any good? not done them before so thought i'd ask someone on here how to go about installing the tubes? I need to install a decent dimmer switch was thinking MK logic plus.
  2. T

    Logic Six query

    Good day folks, Ref: Logic Six panel We fitted it to the wall and connected the battery to make sure all was well with it before completing the wiring. It went into alarm as expected but when the bottom cover was fitted and the key fob offered up to the panel, the sounder silenced and...
  3. R

    17th Edition C&G or Logic Certification

    Hi all, my first proper post, I am a ex military spark, looking to get back into it after a couple of years in the CIED world. I have 2360 Pt1 & Pt2, and 236 Course C, 2391 and 2381 (16th), obviously I need to update to 17th edition. Whilst looking for courses I found this course for a shade...
  4. P

    Busbar Diffrential protection for 2 Incomer & 1 Buscoupler logic ( 2 out of 3)

    In system of 6.6kv there is busbar differential protection is provided. The operating philosophy is of 2 incomer & 1 buscoulpers ( With TWO incomers ON & Buscopler OFF). The differential scheme is of 2X87 type ( respective bus has its differential protection) Case -1 TWO incomers ON &...
  5. M

    logic + wiring

    Hi could anyone help need to wire a seimens RWB30 timer centre EHE0200155 stat to a ideal logic+ combi boiler..please could you help with the connections??? reaslly dont want to blow the PCB
  6. L

    Help with UF heating r.e pump logic modules

    Fellas Got a call out to Electrical fault on a YF heating system today No voltage to the pump, when I traced the fault it seemed the 230 supply went from the control center to a PCB marked "rx 58 pump logic module". Various conductors leave the module but two go via relay then to the High...
  7. S

    Flexible circuit, Tri-State negative logic to trigger 2 separate mechanisms

    Hi guys! I’m currently working on a project and I’ve come to a dead end in my research on it because I’m not quite sure I’m asking the right questions to get the right answers so I’ll try my best to explain in lamest terms what I need. Okay, so here’s the scenario that I’m seeking advice on: I...
  8. T

    Advise / Logic check please..

    Ok, it's the first time I've worked on an arrangement such as what I am about to explain so could someone check my logic. The Installation: TT earthing arrangement, CU1 supplied from service head, 100mA RCCB Main switch with various CB's for original house. CU2 Supplied via 16mm T&E connected...
  9. T

    2nd outside light can someone check my logic..

    Physically doing it and wiring it I have no issue with and Zs, Vdrop etc are all fine. However I need a bit of clarification. We live in a timber framed house, brick outside, dry lined inside. I’d run the cable from light fitting #1 back in the house, up the wall vertically from the switch...
  10. G

    MK Logic fused spurs

    Does anybody else have problems with the design of the fuse holder of an MK Logic fused spur? I hate the bloody things! They can be very difficult to remove sometimes and can easily be chipped when levering away with a screwdriver. Also, latching back in can be a real test too. I've used MK...
  11. D

    Help! Kitchen appliance isolator switch

    I've just moved into a new house and in the kitchen the appliances are isolated by a 4 gang switch where each switch is labelled with 'fridge', 'dishwasher' etc. One of the switches has a broken switch mechanism and shorted when I switched it so I need to replace the unit - problem is that I...
  12. J

    Wiring up danfoss TS7S SI to a Ideal Logic combi

    Hello forum, first post on here so hope you are all good. :) Iv recently fitted an ideal logic. The customer has an electronic donfoss TS71S SI single chanel time switch on the wall which was used on their old combi. There are 4 wires that come from the time switch, but im unsure how to...
  13. P

    South African National Standard & BS7671:2008 - Defying Logic

    I posted another thread on here last night about differences in current carrying capacities between SWA cable in both sets of regs (SANS & BS7671:2008)... Here are some typical examples as I have both sets of regs in front of me... Contrast in calcs is beyone belief... How can this be, the...
  14. M

    Logic six Alarm problem

    Hi guys. I'm currently at my Dad's and his Alarm isn't setting. It is a logic 6 alarm system. In a bungalow. 1 door sensor and 1 PIR. It is operated by a key fob. The alarm is not setting, or at least there is no tone to say it is setting, when we hold the key fob to it. Before having to call...
  15. 3

    ACB auto change over logic malfunctioning??

    Dear, i have probelm and i need ur indeed help. i have 415vac SWBD with 2 incomers 415vac and buscoupler in between, both incomers are from same 132kv grid. and when ever that grid has E/F or U/V the down streem loads will affected. the problem when the power resumed that 415vac Logic will be...
  16. S

    Small PLC's or Logic Relays used in Domestic/Commercial Settings

    Hello All I am looking for peoples experience of using small PLC's or Logic Relays in the domestic setting. I am looking at the likes of the moeller easy, mitsubishi alpha, and the likes. I have only used one of these types of relay in an industrial application over ten years ago and this was...
  17. N

    Cable Calcs - can anyone check my logic

    Hi, Calculating - for the first time - SWA buried cable. The design current (Ib) is 12 amps The cable run will be 20 metres, buried in the ground. I'm looking at 2 core SWA, using the armour as earth (no grouping, ambient temp changes (other than buried) or rewireable fuse factor to...
  18. J

    Test lamps / di logic

    Hi, My T140 test lamps went missing on a job Arrrggghh. The cost me the best part of 90quid. Not looking to pay that much so any recommendations on a cheaper set? What are the di logics like?
  19. T

    Bosch dishwasher Logic xx Exprees

    Hi I am in the UK. Bosch dishwasher model Logic xx Exprees not working. Found when disconnecting the wall hotwired flex box that the Live cables have burnt connection. Unit is 13 amp 240 V. Would I be ok replacing with a box which is rated 25 amp / 250 V. Any suggs? Thanks Tony
  20. J

    Central Trade Skills Bromsgrove

    Hi all, Has anyone done the Part P LOGIC Course at Central Trade Skills in Bromsgrove? I am thinking about doing the Foundation 5 day and the Part P. 6 to a class sounds good but is a LOGIC qualification Okay? I thought the industry prefers EAL?Any advice would be great! Thanks, Just

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