hvac

hvac

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  1. L

    Hello from a HVAC guy .

    Hello to anyone reading this . I am from the HVAC trade been working with 3 phase and controls for the last 20 years . Started my electrical journey studying electronics and did some training on railway electrics and motors. Been putting it off for years but eventually did up to lvl 3 and the...
  2. G

    Crooked Electrical Box

    HVAC company installed new outdoor heat pump and said I also needed new indoor air handler. When attaching the new air handler the old wire was too short. Instead of installing a new wire they took the electrical circuit box and moved it so the wire could reach the new air handler. And now I am...
  3. UKMeterman

    Electrician Jobs MI6 are looking for Electrical and HVAC tecnicans

    MI6 are looking for Electrical and HVAC tecnicans, base office Milton Keynes Vacancies - Recruitment Services - https://recruitmentservices.applicationtrack.com/vx/lang-en-GB/mobile-0/appcentre-2/brand-2/candidate/jobboard/vacancy/2?adhoc_referrer=567479616
  4. Bbanks

    Mca and mop for hvac

    Ok, can somebody please explain, with exact code reference and steps/reasons why this works. MCA 37amps. MoP 60 amps. Why can I land #8 on a 60amp breaker? I know theres exceptions in Article 440. Is it in 440.4(b)? I understand why it would make sense. Larger breaker for inrush. The MCA...
  5. G

    If you have a fuse box attached to your HVAC is it necessary to have an off switch -- DIY

    If you have a fuse box attached to your HVAC system is it necessary to have an off switch? Also what does an arc fault circuit interrupter do, and when is it necessary
  6. K

    HVAC, fan not ON working in AUTO mode

    I replaced an old (mercury type) thermostat with a new Honeywell thermostat model RTH2300B. The wiring is quite straight forward based on the manual: red to R, white to W, yellow to Y and green to G. There is no C so the 24VAC common is not connected. I have to install 2 AAA batteries per...
  7. J

    Reading HVAC schematic

    Just want to know what the spikes highlighted in red circles mean on the schematic attached? Help would be much appreciated
  8. L

    Electrician Jobs HVAC Engineer - Essex

    Our client is a global facilities management and building services organisation who has a very successful HVAC division. They now have the need for an experienced Commercial Gas/ HVAC Engineer to join the company and cover a newly won, major UK retailer contract. The successful Engineer will...
  9. T

    Electrician Jobs Master Electrician - Ontario, Canada (Multiple Locations)

    Osborne is currently working with Canada’s leading HVAC provider in hiring talented, skilful Electricians for their first-class service teams. This company prides itself on the strength of its longstanding customer relationships and the quality of its staff members, systems and equipment...
  10. W

    I Need Work Looking for Electrician / Air-conditioning mechanic jobs in Germany

    Hello all, I'm from Hong Kong. I'm a qualified electrician and air-conditioning mechanic, looking for a job in Ireland / Germany. But seems "Make it in Germany" and "Connect Trade Union" does not have a lot of information about the qualified electrician part, or how to become, something like...
  11. N

    The problems with installing HVAC systems in existing buidings.

    Hi gents. I have an exam question next week about the complications with installing HVAC systems in existing buildings. We've been asked to focus on things such as fire barriers, asbestos, room for plant and pedestrian access. Just wondering if anyone has ever had any experience with this and if...
  12. K

    Hvac control panels

    Hi, I am new to this site and was hoping if somebody could point me in the right direction on what qualifications I would need for building control panels? regards keith
  13. E

    Air conditioning and HVAC engineers required

    Hi All we are currently looking for HVAC engineers located in Essex and London to cover new installs and reactive call outs in the London area this will be a self employed basis as and when to start but could be more permanent basis please send your CV s and details to [email protected]
  14. N

    HVAC Technicians

    BBL Technical have an amazing opportunity to hire 4 HVAC Technicians for immeditae work in South Sudan and the Central African Republic in support of the US Government. Candidates must be certified British Standard 7671:2008 (17th edition) and will be required to have a police background check...
  15. Rockingit

    HVAC / MHRC - connection to more than one circuit = RCD problems?

    I've just been told about the intentions for how a mechanical heat recovery unit is wanted to work in a new build house and I can forsee a problem: One unit doing all the various suck and blow things that they do, but with a 'boost' function that is triggered by the lighting switching. I've...
  16. P

    HVAC genius wanted

    anyone got any general info or links on split condensers chiller how they work theory guides etc. dont all rush with miles of info at once now. thank you chaps
  17. M

    Hvac AHU FCU BMS

    I am looking to change my job, at the moment all the job ads require electricians to have knowledge of Hvac ahu fcu and Bms. Can anybody give me advice as to what course I should take to gain this qualification. I am a 17th edition electrician with C and G 1 and 2. There seems to be no end of...

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