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Thread: Help me choose a heat pump

  1. #61
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    Quote Originally Posted by eldog View Post
    From what I understand it's the following Daiken models
    2 off Multi units
    1 outdoor unit 3MXS68 supplying 2x indoor ones FFQ50 + FTXS25KVMA
    1 outdoor unit 3MXS68 supplying 3x indoor ones FQ20 + FFQ25 + FFQ35
    with
    outside air being filtered and blown into rooms (low rate) after passing through a heat recovery ERS170 (heat exchanger) and some air sucked out of the hallway

    less than 20 K installed, $190 per year annual service

    After looking at the house initially thought a cassette unit would be better as it could drain away the condensate with out a pump (they don't want to install a pump)
    the above part numbers will change as they may all be std wall units, if we can find a way to drain the condensate, without a pump.

    I thought wrongly that I could use the 'latest' indoor units with the outdoor units but apparently I can't. from the inference I got it could be technical or just the supplier won't sell them with the multi one.

    Going to change lights from mostly recessed to dim able LED so I can reinsulate the roof to Sth Is specs

    going to see them again this week (so I can get a better understanding) and check out what happened to the Mitsi agent so I can compare apples and apples

    and I can ask about the noise for the neighbours bedroom (who's hot!!!)
    they wont want to split up an exiting pair of units.All the sales are paired inddor/outdoor units.So all the available stuff is paired units.You would probably have to order especially and wait.As there is no volume though you will pay a lot to get a "unusual" setup.sounds a different setup to a normal heatpump suystem.Is it partially ducted?

  2. #62
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    Quote Originally Posted by BMWST? View Post
    they wont want to split up an exiting pair of units.All the sales are paired inddor/outdoor units.So all the available stuff is paired units.You would probably have to order especially and wait.As there is no volume though you will pay a lot to get a "unusual" setup.sounds a different setup to a normal heatpump suystem.Is it partially ducted?
    Sounds like the usual BS - because I want something different

    I think it is partly ducted to get the 'outside air' portion in. From what I gather this part is separate to the 'heat pump system' just the inlets (into each room) and the air is removed from one place (hallway)

    If it goes as I expect it too (tits up) then it will be separate indoor and outdoor units to get the fancy indoor units with the 'sensors' to detect location of people and if the room is used.

    I don't intend on using the heat pump to heat/cool areas which are unused but want to be able to cool the whole house with out too much effort (thinking summer here has been hotter than normal.

    Its also to protect the bike

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  3. #63
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    Quote Originally Posted by BMWST? View Post
    they wont want to split up an exiting pair of units.All the sales are paired inddor/outdoor units.So all the available stuff is paired units.You would probably have to order especially and wait.As there is no volume though you will pay a lot to get a "unusual" setup.sounds a different setup to a normal heatpump suystem.Is it partially ducted?
    We buy indoors and outdoors separately all the time. They have no issues selling them like that. With the bigger brands method of warranty work going something like. "Hmmm, Compressor seized you say? Another outdoor unit will be sent tomorrow".

    We mix and match multis all the time. They do specials on set packages, but they need to be so house specific there's no gain to be made that way.

  4. #64
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    Quote Originally Posted by eldog View Post
    Sounds like the usual BS - because I want something different

    I think it is partly ducted to get the 'outside air' portion in. From what I gather this part is separate to the 'heat pump system' just the inlets (into each room) and the air is removed from one place (hallway)

    If it goes as I expect it too (tits up) then it will be separate indoor and outdoor units to get the fancy indoor units with the 'sensors' to detect location of people and if the room is used.

    I don't intend on using the heat pump to heat/cool areas which are unused but want to be able to cool the whole house with out too much effort (thinking summer here has been hotter than normal.

    Its also to protect the bike
    Is it a split level house? Must be if no one is talking ducted units.

  5. #65
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    Quote Originally Posted by Drew View Post
    Is it a split level house? Must be if no one is talking ducted units.
    Single level, concrete floor, brick and decramastic tile late 70's, 3 bed, living and kitchen areas.
    230 m2

    hopefully I am not missing the obvious.

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  6. #66
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    Quote Originally Posted by Drew View Post
    We buy indoors and outdoors separately all the time. They have no issues selling them like that. With the bigger brands method of warranty work going something like. "Hmmm, Compressor seized you say? Another outdoor unit will be sent tomorrow".

    We mix and match multis all the time. They do specials on set packages, but they need to be so house specific there's no gain to be made that way.
    thats good to know.Its not what i was told when i was shopping for a multi system

  7. #67
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    Quote Originally Posted by eldog View Post
    Single level, concrete floor, brick and decramastic tile late 70's, 3 bed, living and kitchen areas.
    230 m2

    hopefully I am not missing the obvious.
    Is there no room in the crawl space? Otherwise a ducted unit sounds ideal.

  8. #68
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    I have no heat pump advice except to say that Drew is my go to heat pump guy. Another one next weekend. His advice & installs are as good as it gets.

  9. #69
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    Quote Originally Posted by BMWST? View Post
    thats good to know.Its not what i was told when i was shopping for a multi system
    You've gotta buy from accredited installers to get the most from each outfit I think.

  10. #70
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    Quote Originally Posted by sidecar bob View Post
    I have no heat pump advice except to say that Drew is my go to heat pump guy. Another one next weekend. His advice & installs are as good as it gets.
    Easy tiger. I just got lucky with yours.

  11. #71
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    Quote Originally Posted by Drew View Post
    You've gotta buy from accredited installers to get the most from each outfit I think.
    i went to a more commercial wellington based heat pump place.They couldnt have been less helpful if they tried

  12. #72
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    Quote Originally Posted by BMWST? View Post
    i went to a more commercial wellington based heat pump place.They couldnt have been less helpful if they tried
    It's prolly quite hard with all of the people selling these things. Good advice and service is prolly not the norm.

    Choppa has a good sized operation. Three of us installing and him selling. He gets good deals from distributors for buying a lot of units, and he knows his shit.

    As a customer, ya want that middle sized business to get the best deal.

  13. #73
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    Quote Originally Posted by Drew View Post
    Easy tiger. I just got lucky with yours.
    My "turbocharged Hayabusa" as you put it. I'm sooo warm tonight.

  14. #74
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    Quote Originally Posted by sidecar bob View Post
    My "turbocharged Hayabusa" as you put it. I'm sooo warm tonight.
    There are bigger capacity high wall units, but ya wouldn't want them in a house I reckon. Yours is the boss.

  15. #75
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    Quote Originally Posted by Drew View Post
    You've gotta buy from accredited installers to get the most from each outfit I think.
    I will find out, if he is installing it or not.

    I doubt Drew is willing to travel to AKL for an install

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