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What MCB size should I use in 1.5 Ton Inverter Split Air Conditioner (AC)? 8.3A and 1.82kW written, should I use 10amps or 16amps or 20amps MCB rating to protect outdoor machine overload?????

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On the outdoor unit data plate will tell you max circuit breaker rating. This is what you need.

Posted on Apr 29, 2017

Testimonial: "But, my local electricians and AC Technician advising me to use 16A or 20A MCB instead of using 10A MCB"

  • Thomas Woodburn
    Thomas Woodburn May 01, 2017

    I'm having a hard time reading that but I believe that says max fuse??? I would put the 10, don't know why they would tell you that, or how it would pass inspection.

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Posted on Oct 20, 2008

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SOURCE: Voltage Stabilizer for LG 1.5 ton window type ac

4KVA capacity stabilizer is sufficient for 1.5 Tonne AC.

Posted on Apr 14, 2010

heatman101
  • 43501 Answers

SOURCE: Wiring standard for Split AC 1.5 Ton

Hi,
The factor that you have not included here is the distance from the power panel to the unit...if it is too far then you need to up gauge the wire to compensate for that... that could be why the electrician wanted to go to the 720 ga. wire.

heatman101

Posted on Apr 16, 2010

  • 1 Answer

SOURCE: ERROR CODE 5 FLASHES CARRIER SPLIT SYST. AIR COND. 42G250HP-1

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Posted on May 21, 2010

  • 1 Answer

SOURCE: Whirlpool Mastermind chrome 1 ton split ac, newly

how to use blower

Posted on Jan 11, 2011

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Wiring standard for Split AC 1.5 Ton


Hi,
The factor that you have not included here is the distance from the power panel to the unit...if it is too far then you need to up gauge the wire to compensate for that... that could be why the electrician wanted to go to the 720 ga. wire.

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First the foam insulation is not just for looks,you will have some loss of cooling on the unit,the larger cooper line needs to be insulated,the small one does not.The large line is the suction line,the small one the liquid line.
Voltage,168 is low,sounds like a 208 volt unit or 220 volt.running at 168 or 198 ac volts is going to raise the amperage causing the compressor to run hot and work harder and soon burn up,And cause it to trip the breaker or shut itsself down on high heat.Your going to need to get that voltage fixed.I dont know why it needs a stabilizer if the unit was sized correctly it shouldnt need one.
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Rate it.

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no problem get it repaired not expensive

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Could I use wire size 14 for 1 1/2 ton air window


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