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Aredwood
3885 posts

Uber Geek


  #2034296 12-Jun-2018 12:08

Fred99:

You used to be able to buy units like this in NZ.  I bought one about 12 years ago with Delonghi branding, quick-fit adapters and pre-charged with refrigerant.  Cost about $1000. Took about an hour to install.  It lasted about 10 years, and worked "okay" over that time.


Lower COP than quality units, and placement is limited due to the length of hose.   As I understand it, they were taken off the market in NZ/Aus because the power to the external unit was supplied via the indoor unit (which plugged in to a standard wall outlet), there was no power isolation switch for the fixed wiring to the outdoor unit and so they didn't meet regs.


Apparently they do seem to meet UK regs:


http://www.aircondiy.com/kfr51gw.shtml


 



The problem is that such systems often tell you to remove the air from the connecting pipes by deliberately releasing refrigerant into the environment. So definitely not allowed.





Fred99
11126 posts

Uber Geek


  #2034319 12-Jun-2018 12:30
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Aredwood:
Fred99:

 

You used to be able to buy units like this in NZ.  I bought one about 12 years ago with Delonghi branding, quick-fit adapters and pre-charged with refrigerant.  Cost about $1000. Took about an hour to install.  It lasted about 10 years, and worked "okay" over that time.

 

 

 

Lower COP than quality units, and placement is limited due to the length of hose.   As I understand it, they were taken off the market in NZ/Aus because the power to the external unit was supplied via the indoor unit (which plugged in to a standard wall outlet), there was no power isolation switch for the fixed wiring to the outdoor unit and so they didn't meet regs.

 

 

 

Apparently they do seem to meet UK regs:

 

 

 

http://www.aircondiy.com/kfr51gw.shtml

 

 

 

 

 



The problem is that such systems often tell you to remove the air from the connecting pipes by deliberately releasing refrigerant into the environment. So definitely not allowed.

 

The unit I had, the hoses were connected to the indoor unit, it had quick fit adapters with valves on the end as well as valves in the connector on the outdoor unit, no significant amount of refrigerant was released - you certainly didn't need to flush the air out.  As I understand it, they were popular for portacoms etc, you could disconnect the outdoor unit for transport, reconnect it on the new site in a few minutes.  The one on that link above - I don't know - the images look like the pipes are separate.

 

 


 
 
 
 


MikeAqua
6058 posts

Uber Geek


  #2034324 12-Jun-2018 12:40
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I put in a very large heat pump in for our tenants.  I didn't put the rent up because - good tenants.

 

 

 

 





Mike


da5id

552 posts

Ultimate Geek
Inactive user


  #2034610 12-Jun-2018 20:42
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Well, we ended up getting one of those ceramic fan heater towers. 

 

The heat it puts out is pretty good, BUT, as with a lot of this stuff, it seems to have a chemical smell - probably from being fumigated on the way over on the ship.

 

A lot of this kind of merchandise has this and you can't seem to get rid of the smell... frown


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