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498 posts

Ultimate Geek


  # 2377743 18-Dec-2019 13:04
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Thanks all

32 posts

Geek


  # 2377752 18-Dec-2019 13:12
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mdooher:

concordnz: Interested In this, as I received a similar letter (probably from same crowd) :)
Never had mine professionally cleaned in 4 years - but wondering if I should.

I've cleaned the interior filters twice a year.
(But not the fins/coils of the interior unit - apart from brushing with a soft brush to remove some dust)

I haven't touched/cleaned the exterior unit at all in the last 4 years.

Do you open up exterior unit 'casing' to clean exterior coils/fins?
Are electronics isolated or exposed? -
( e.g. do we need to pop circuit breaker before cracking open outside casing)


there is an isolator either next to the outside unit or inside. If you can't find it flick off the circuit breaker. The first cover you take off exposes the power terminals



Sweet, I'll do this, before I Crack it open.
& I'll probably blow out the electronics with a bit of compressed air, as well as rinse the coil fins.

 
 
 
 


239 posts

Master Geek


  # 2377762 18-Dec-2019 13:17
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neb: For people who have used these, do you just spray them into the top (air intake) part and all of it will safely exit via the runoff port without running through and dripping onto the electrical devices we've got down beneath the indoor unit? There's also quite a bit of variance in the instructions, use it with the unit turned off, use it with the unit running, etc, but my main concern is leakage onto what's sitting below the indoor unit.

 

 

 

so what I did was turn off the power at the outside isolator

 

open up the indoor unit to access the filters and take those out of the way so you can see the coil fins

 

spray cleaner all over the fins.. i was very liberal with this and used the cleaner undiluted

 

wait 5 mins

 

spray clean water from spray bottle on fins to rinse - you can see the crud coming off as you spray rinse

 

allow to drain and dry.. maybe 30 mins

 

filters back in, close door, power on and test.

 

 

 

cheers

 

 

 

edit:  sorry i didn't answer your main concern.. as long as your drain hose is clear, everything drips into an internal drain tray inside the unit, then down the hose.. so I suppose it also cleans the drain tray and hose on the way through


2083 posts

Uber Geek

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  # 2377785 18-Dec-2019 13:54
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Thanks to all your comments I now have dusted filters! Moved into this place 4 mths ago and first time we have had a HP so pretty ignorant.

 

 


239 posts

Master Geek


  # 2377787 18-Dec-2019 13:57
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linw:

 

Thanks to all your comments I now have dusted filters! Moved into this place 4 mths ago and first time we have had a HP so pretty ignorant.

 

 

 

 

 

 

with the panel filters, you can also soak them in a bucket of warm water with detergent to clean them, rinse and then let them dry in the sun.


5654 posts

Uber Geek


  # 2377831 18-Dec-2019 15:47
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I've used this from Bunnings.

 

Use it to clean any mould and the filters from the inside unit, then spray it all over the fins. Run the unit in cooling mode so it creates condensation on the inside to flush all the dirt to the outside drain.


neb

1405 posts

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  # 2377889 18-Dec-2019 17:31
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RunningMan:

I've used this from Bunnings.

 

Use it to clean any mould and the filters from the inside unit, then spray it all over the fins. Run the unit in cooling mode so it creates condensation on the inside to flush all the dirt to the outside drain.

 

 

How effective was it in cleaning stuff? There's virtually no information online about who makes it or what's in it, and Supercell is some Finnish games company. Amazon says "imported" which means "made in China", but that's about it.

 
 
 
 


5654 posts

Uber Geek


  # 2377952 18-Dec-2019 19:25
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https://www.supercell.co.nz/collections/hvac-cleaners

 

Had to give it 2 or 3 goes on the unit I used it on, but it was disgusting to start with. Not sure where you get made in China from, the bottle says made in NZ.


neb

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  # 2377960 18-Dec-2019 19:45
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Thanks. Yeah, my Google-foo must have sucked, didn't see the NZ page, and the Amazon description (linked in my post) says "imported" which is usually code for "made in China", so not sure how it ended up listed on Amazon US.

 

 

It also lists the ingredients, BZK, a fungicide, and NPE, a surfactant, so unless there's some extra magic in there they're not mentioning then at a pinch a general $5 cleaner from Countdown should work too.

5654 posts

Uber Geek


  # 2377969 18-Dec-2019 20:04
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Ahh, I'm picking that imported in that sense is the Americanism for non-American...


375 posts

Ultimate Geek


  # 2378052 18-Dec-2019 21:19
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neb: Thanks. Yeah, my Google-foo must have sucked, didn't see the NZ page, and the Amazon description (linked in my post) says "imported" which is usually code for "made in China", so not sure how it ended up listed on Amazon US. It also lists the ingredients, BZK, a fungicide, and NPE, a surfactant, so unless there's some extra magic in there they're not mentioning then at a pinch a general $5 cleaner from Countdown should work too.

 

Huh. I use simple green for everything. I reckon that would do the job.


neb

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  # 2378122 19-Dec-2019 02:01
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CokemonZ:

Huh. I use simple green for everything. I reckon that would do the job.

 

 

That should work, although it's mostly just baking soda + lemon juice (well, citric acid), the usual amount of surfactant to make things work, and a bunch of fungicides and biocides, so you could fake it with baking soda, white vinegar, and anything with BZK in it to replace the cocktail of stuff in Simple Green.

 

 

Come to think of it, Simple Green is neither simple nor green, unless it's a reference to the colour of the liquid.

 

 

Amusing aside: Google the name of the wife of the founder, best not done from a work machine :-).

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