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How to remove panasonic air conditioner from wall?

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Removal of Panasonic air conditioner - advice please

I'm currently demo'ing our place to start imminent renovations and I would like to remove and re-install (at a later date) a Panasonic aircondtioner(it's 4 years old according to the date on the model information panel). It's one of those wall mount type units with the cooling base unit at ground level exterior to the room. As all power has been removed in the house (except to the meter box) I went ahead and disconnected all the wiring at the base unit(the one on the outside of the house) however, when I went to disconnect the hosing I recalled that there would be refrigerant in one (or both?) of the hoses and sure enough as I started to undo the thread it started hissing like mad. At that point I quickly re-tightened the nut and went away to research aircon removal.

After talking to multiple air con sellers I got the usual polar opposite answers - "that's definitely illegal, you need to get a licensed remover to de-gas it" to "nah, it's not illegal and you'll be right, just let it hiss away".

So here I am humbly looking for any knowledgeable folk to point me in the correct direction. I don't know if it matters but, I'm in Victoria (in case the laws vary from state to state) and if I can do it myself (safely) I would prefer that option.

Thanks in advance for any info.

There is refrigerant in both pipes as they form a loop.
Best thing is to get the system evacuated before disconnecting. I believe there are shut off valves on the outdoor unit.

Definitely illegal to let the gas go. Call a fridgie in and tell them you want the unit "pumped down" for re-install later. Easy and quick job (depending on unit size) and should not cost much. Get them to quote on a reinstall and you may get it done as part of the deal. And you will need power to the unit to do this.

thanks for the heads up on the gas Handyjack and Krico.

Couple of questions

Will the shut off valves handyjack mentioned allow me to safely disconnect the pipes and not need me to get the gas removed?

What should I consider a 'reasonable' amount to get the gas pumped out?

(last one) As I mentioned, I only have a single powerpoint in my meter box - will this be able to power the unit if power is absolutely necessary?

Many, many thanks for your replies I sincerely appreciate your help.

thanks for the heads up on the gas Handyjack and Krico.

Couple of questions

Will the shut off valves handyjack mentioned allow me to safely disconnect the pipes and not need me to get the gas removed? NO as there will be gas in the pipes.

What should I consider a 'reasonable' amount to get the gas pumped out? Get the unit pumped down where the gas is pumped back into the compressor and not recovered into bottles. If you tell them you want them to reinstall later, they will probably do it as part of the deal. You will more than likely have to get someone to reinstall anyway if you want it done properly where the pipes are pressure tested, vacuumed and then regassed. A basic install on the fridgie side can cost anywhere from say $400 up, depending on install. Add power to this if it needs to be moved etc. But if you only want this done right now, they would probably charge a minimum rate of 1 hour which will can be $70 and up.

(last one) As I mentioned, I only have a single powerpoint in my meter box - will this be able to power the unit if power is absolutely necessary? Depending on the size of your unit and if it draws no more than the GPO (10A?), it should be OK. Depending on who you get, they may not want to run a lead to the unit to pump it down and recommend recovering it. Try and avoid it if necessary as they will try and hit you for new gas which is not cheap and there is just no need for it.

Many, many thanks for your replies I sincerely appreciate your help.

Thanks a bunch Krico!! - great to know the right thing to ask for with regards to maintaining the gas in the compressor. I'll find a reputable person to do it and get it done.

Really appreciate your patience with dumb questions.


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