Dec 7 2011, 02:28 PM
QUOTE(weikee @ Dec 7 2011, 10:16 AM)
Hehe, i got 6 A/C 
1 x 2hp, 1 x 1.5 HP inverter, rest are 1hp normal. and 2 x Storage water heater. I don't switch on all the a/c everyday. Mainly 1 at night maybe 2 if i have guest. Storage water heater random on and off. But usually manually switch off in morning.
Depend on your max load, and planing to have what continues load. 3P is good, but using power that required 3P will be like RM 400+- electric bill per month
I have try switch on all the 6 AC for 1/2 hours without problem, but of course that is the only load all other equipment were off.
That's how I did my previous house reno too, old area without 3 phase so just split incoming into 2 DBs for each floor of the house. 1 x 2hp, 1 x 1.5 HP inverter, rest are 1hp normal. and 2 x Storage water heater. I don't switch on all the a/c everyday. Mainly 1 at night maybe 2 if i have guest. Storage water heater random on and off. But usually manually switch off in morning.Depend on your max load, and planing to have what continues load. 3P is good, but using power that required 3P will be like RM 400+- electric bill per month
I have try switch on all the 6 AC for 1/2 hours without problem, but of course that is the only load all other equipment were off.
You can calculate your peak load pretty easy, one horse power is 3.1A. You use the equation of P = VI, rearrange (wattage divided by 240 = current consumption). Basically by splitting into 2 DBs your MCCB should be able to handle the current going through the boxes. The only problem you might need to be worried of is your electrician using cables that are sized for such current.
And very nicely done reno, I applaud your perseverance and hardwork! And I think your reno bill might come out close to the price you paid for the house, haha!
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