if house got 2 airconds (2hp n 1.5hp) with 2 heaters and inverter fridge, do i need to upgrade to 3 phase if want to add 2 more airconds?
Renovations 3-phase wiring
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 Jan 4 2011, 10:43 AM
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Apr 14 2015, 04:25 AM
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#2
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QUOTE(enriquelee @ Oct 1 2014, 02:30 PM) Your aircond connect direct to DB or loop out from socket? So the correct method is to connect direct to DB? Does it involves hacking the walls? Planning to install aircond points in 2 rooms. |
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Apr 14 2015, 12:39 PM
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QUOTE(enriquelee @ Apr 14 2015, 08:38 AM) Yes, better to connect to a separate breaker. Any idea how much will it be? But if buy aircond the installer will not create plugpoint connecting to the DB right?You need to pull new wire, but wall hacking can be minimise if you use expose conduit. |
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Apr 26 2016, 01:14 AM
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My house currently 1 phase, but wiremen said its 3 phase ready since after looking at my meter box only use fuse at blue, while red and yellow no fuse. He said if want to upgrade to 3 phase just need to pull cable from meter box to the DB and change new DB. Is this correct? Costs around 5k. The purpose i want to upgrade to 3 phase because want to add more air cond. currently got 3 aircond (2.0 at living, 1.5 at master bedroom and 1.0hp at guest room). Is it possible to have plug point at 1st floor living, ground living and guest room on same phase? Need to use homeplug for unifi
This post has been edited by giggs_509: Apr 26 2016, 01:15 AM |
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Apr 26 2016, 09:47 AM
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QUOTE(JunJun04035 @ Apr 26 2016, 01:49 AM) 3 phase rule of thumb: all three phase's load need to be balanced, so that the efficiency is at the max. Not sure about the new DB thing, that's why i ask. Can elaborate more about re run the wiring?Also, please define new "DB", as far as i can imagine, you need a 3/4 pole MCCB, then re run the wiring |
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Apr 26 2016, 09:48 AM
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QUOTE(enriquelee @ Apr 26 2016, 09:09 AM) Need to apply from TNB? Yes costs include applying to tnb |
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Apr 26 2016, 05:26 PM
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QUOTE(sonerin @ Apr 26 2016, 09:58 AM) You need to do new wiring for your house Do new wiring means change wiring is it? Or just involve the wiring at DB? |
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Apr 26 2016, 05:29 PM
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QUOTE(supersound @ Apr 26 2016, 01:50 PM) A photo on your house's incoming meter, DB inside your house will tell a thousand words. Not really new, already stay here for 5 years. My modem in guest room at ground floor, connect to router at main bedroom using homeplug. By the way this is my meter pic Also, since your house is new, suggest avoid homeplug as far as possible. I'm using TP-link's 500Mbps homplug(wireless), using Unifi to watch Hypptv sometimes still lagging for 2-20 seconds. 
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Jun 1 2016, 12:36 AM
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#9
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QUOTE(Richard @ May 31 2016, 11:02 PM) If the wiring is new and good insulation no need change wiring .. 5 year old house considered new wiring or not?just pull the new wiring and balance the load equally among all phases at the DB.. |
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