Re: Replacing fans in equipment?

["Peter and Jane" <pandj.munnoch@xxxxxxxxxxxxxx>]

Paul
Obvious question but just sometimes.....

Were the UPSs new?
Used UPS = worn fan motor bearings = noisey?
Maybe a new fan of the original type will be an improvement??
Rgds
Peter
----- Original Message -----
From: "Jim Noble" <yahoo-groups@xxxxxxx>
To: <ukha_d@xxxxxxx>
Sent: Friday, June 20, 2008 11:29 AM
Subject: Re: [ukha_d] Replacing fans in equipment?


> Paul Gale wrote:
>> OK, I need to test it and find out what it is...
>>
>
> If it has a model number printed on the hub you can usually google it
to
> find the air throughput in ft^3/minute (cfm) and noise level (dB)
data,
> as well as AC/DC and voltage info. You'll want replacement fans to
have
> at least as high a cfm rating (but quieter), as letting either the
> batteries or inverter run any hotter is probably a bad thing...
>
> Jim
>
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