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Thread: Daikin
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20-06-2014, 02:55 PM #1
Daikin
Looking for input on a daikin wvrv.
i am missing some units when addressing and one bs box
unfortunately I can't get to bs box anymore.all the other units seem to address
and I can run the fan on them till I finish the commissioning stage.one controller will not let me turn the fan on as it is centrally locked out.there is no ITM or backnet connected.
any tips on best way to find the missing unit.there are also no spurs on the system but all power is on to indoors
thanks
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21-06-2014, 06:42 AM #2
Re: Daikin
If you are 100% that you have power everywhere then the fault is most likely to be on your transmission wiring. Do you have multiple FCUs connected to 1 bs box? If so I'd say the missing FCUs and the missing box might well be connected. You say you can't get to the bs box anymore but I think you are going to have to as my guess is that the f1 f2 connection outdoor side has been forgotten/ pulled out or likewise with mains power into box. From what you have told us that is definitely where I would start. Failing that eliminate every other possible cause by checking all connections and power at every FCU/ box which is still accessible. Start at the beginning and make your way round, belling out every leg of cabling on the way to ensure it hasn't been chopped. Can be a long process...
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21-06-2014, 03:43 PM #3
Re: Daikin
look for green flashy led's on pcbs- shows communication
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21-06-2014, 05:46 PM #4
Re: Daikin
Found one bs box.still looking for the last fcu.very stressfully.
can anyone tell me on the daikin service checker type 3 were does it tell me the water inlet/outlet temp on the display screen.
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21-06-2014, 05:49 PM #5
Re: Daikin
When I have found the last unit would I be better off doing a master reset.turning off outdoors and holding reset for 30 seconds when they are switched back on.
cheers
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21-06-2014, 07:47 PM #6
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21-06-2014, 07:51 PM #7
Re: Daikin
Cheers Newman ref
any input on checker screen for water inlet/outlet temps.
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21-06-2014, 07:54 PM #8
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21-06-2014, 07:54 PM #9
Re: Daikin
Unfortunately I can't help with the service checker but I would say a good old touch probe could tell you just as accurately!
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21-06-2014, 08:02 PM #10
Re: Daikin
cant post service checker manual yet- keep getting this
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21-06-2014, 09:41 PM #11
Re: Daikin
r it should be on the operation data display page.
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21-06-2014, 09:41 PM #12