Heating and air conditioning - Re: Hidden camera near Los Angeles exposes 5 out of 7 A/C techs

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Re: Hidden camera near Los Angeles exposes 5 out of 7 A/C techs

Jake

2005-07-25, 1:21 am

RP wrote:
>
>
> Jake wrote:
>
>
>
> Quite the opposite. On a call for (G) alone low speed will be enabled.
> On a call for (Y) high the blower relay will switch to high speed. If Y
> is not connected to the board, then cooling will run with the lower
> blower speed.
> There are exceptions in which these speeds are reversed, usually by the
> installer for whatever reason, but I've met one or two set up this way
> from the factory. They would be the very rare exceptions.
>
> hvacrmedic
>
>

Thanks... I just looked at a schematic for a system I have here and
you're correct, of course.

Don't you guys ever slow down the evap blower on cool while fine tuning
the system, though? Maybe med-low or something...?

Jake

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