Re: Automating extract fan (commercial type)

[Mal Lansell <mal@xxxxxxxxxxx>]

IIRC, DMX lighting controllers give out a 0-10v signal to control
brightness.  There's plenty of PC interfaces too.

Paul Gale wrote:
> I should say that the proportional speed control needs an analogue
0-10v DC supply - so it's that I need to generate/control from HV.
>
> Paul.
>
>
>
>> -----Original Message-----
>> From: ukha_d@xxxxxxx [mailto:ukha_d@xxxxxxx] On Behalf
>> Of Paul Gale
>> Sent: 10 January 2008 17:08
>> To: ukha_d@xxxxxxx
>> Subject: [ukha_d] Automating extract fan (commercial type)
>>
>> I'm just trying to specify a high volume commercial in-line duct
type
>> extract fan for my new node0 to try and keep it cool. The fan
simply
>> extracts air from the room which is replaced with ambient outside
air
>> (so hot days more of a problem - but I don't want to go the A/C
route
>> for this).
>>
>> I've found fans suitable from vent axia which have 0-10v
proportional
>> speed control but I'm not sure how to control this from HomeVision
etc
>> - any ideas?
>>
>> Paul.
>>
>>
>>
>>
>>
>> [Non-text portions of this message have been removed]
>>
>>
>>
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