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Posted by hobbes on February 12, 2008, 11:29 am
>
>
> > What you will probably find is that there is a control panel mounted on =
or
> > near the boiler. It probably says Taco and is green, or Argo and is blac=
k.
> > This encloses the relays that control the circulators for each zone. The=
se
> > units are designed to use a "priority" relay for a domestic hot water
> > indirect tank. It's purpose is to kill all other zones until the hot wat=
er
> > maker is satisfied. My guess is that your garage is connected to this
> > "priority zone". If so, open the control box and find the priority switc=
h
> > and turn it to off, it will be clearly marked
>
> Hi RBM,
>
> Yes I think you ar right. It is a green box and it says TACO SR 504,
> which is the controller. One more question if I may. If I went into
> the garage and turned the thermostat setting to off (as opposed to
> COOL-OFF-HEAT I have three settings). Would that mean the garage would
> no longer call for heat. Therefore the priority would then switch to
> one of the other heating zone circuits? Hence I could be toasty and
> the cars would remain cold ... which is good :).
>
> Best, Mike.
>
>
>
>
>
>
>
>
>
> > > Hi,
>
> > > We have a three zone Hydro / Hot air HVAC system for heating.
>
> > > Zone 1: Garage
> > > Zone 2: Downstairs
> > > Zone 3: Upstairs
>
> > > The control system pumps hot water to three seperate Air Handlers that=
> > > then supply hot air for heating.
>
> > > After a power outtage, when the system came back on. All the hot water=
> > > went to Zone one the garage circuit. After the garage was warmed up,
> > > then the rest of the house was supplied.
>
> > > Is it usual for such a HVAC system to only supply one Zone at a time
> > > with hot water because of the amount of hot water required?
>
> > > If so would turning off the Garage circuit, by setting the Thermostat
> > > to OFF, make the other hot water circuits become active?
>
> > > I was sort of cold, while my cars were getting toasty. Sort of silly
> > > really. Just wondering how I could avoid this ....
>
> > > Best, Mike.
>
> Mike, zone 4 of that controller is the priority zone, which is connected t=
o
> your garage zone. If you have an indirect water heater being controlled by=
> the 504, it should be connected to this zone. In any event, I would turn o=
ff
> the priority switch, which you'll find inside the control on the upper rig=
ht
> side. This way any zone that calls for heat gets it...equally- Hide quoted=
text -
>
> - Show quoted text -
Thanks RBM. Your kind help is much appreciated. warmest regards, Mike.
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