wont recommend it.

r22 gas getting expensive already. r22 specific parts will either get expensive or no longer available. so future maintainence will be a problem.

R32 mildly flammable.
Blowing up means he don’t know how to do it safely.

no need

can.......just loop another wall socket.

if want to use extension........make sure the cables are good.......most on the market are crap.

what happen to the previous aircon?

why not just install the the new one at the office?

and what does it mean by kaput? most of the time, aircon can be easily serviced and repair back to working order.

1. cost more.
more work for the installer
2. the more stuff done.......the more prone to error and mistakes.......so why disturb a properly functioning aircon?
3. different refrigerant in previous pipes.
incorrect installation could leave lubricant that is incompatible with the new one. causing lumps to form and burnout the compressor.
4. aircon of 20 years..........likely using old pipes that is too thin........likely 0.5 or 0.4 mm thickness..........cannot be used for r32 or r410a which are high pressure operation gas.
will need to install new pipes and insulator.

also.........a non running compressor might be due to a blown capacitor........if 9000btu the capacitor is usually 30 micro farad. cost only about 10 ringgit the capacitor, can even change on your own if the outdoor unit is accessible

This post has been edited by slimey: Jun 3 2018, 06:08 PM

More connections, more point of failure.

And if distance long, may need to top up refrigerant.

1hp enough.

I am a fan of inverter.

Depending on how often you use it.
If everyday, for the common folk, cleaning the removable filter once a month is enough.

Maybe can learn to do deep cleaning if interested.

If not cold and outdoor compressor reachable, if smaller pipe got frost means gas not enough and possible gas leak.
If big pipe got frost means indoor unit too damn dirty.

If not cold and outdoor unit not running means either indoor unit not sending power to outdoor unit or outdoor capacitor spoil. Very rarely is compressor spoil.

Most of the stuff that spoil in aircon can diy if got the tools and common sense.

Most units should be problem free for first 2 years.

it depends. i dont know the condition of your aircon.
if cold then likely gas adequate and compressor running well.

have a look for yourself and check :

open up the aircon and have a look........coil clean?
outdoor if accessible have a look at the fins.....clean?

Thickness of wall have to be 0.61mm or above.
If refrigerant different than previously used must flush the lines kao2.
A pressure or vacuum test for leaks is a must.

Suggest 2hp

just lift the front panel.
no different than other unit

no.

Not the fault of York.

It is likely installed with inferior cheap wires.

Cheap lousy wires can have broken wires within it or will break over time, causing arching during usage and potential fire risk.

Yes. 2.0 and above bigger pipe diameter.
But, you may want to check what piping size you have in the wall in the first place.

When in doubt, add water.

Just pour water like around 500 ml to the coil with water bottle.
If the water spill out, you have a block.

a high quality pure copper 2.5mmsq is fine.

if long wire distance and on for many hours a day can opt for 4 mmsq

Come from same factory. Oyl Sdn bhd.

So easy to find spare parts and spare parts will be cheap.

But I don’t like because oyl stuff ugly as hell and I have bad experience with stuff from that factory.