wiring a Honeywell AQ2504B4- repalcing two separate taco single zone controls

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Old 02-24-14, 02:54 PM
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wiring a Honeywell AQ2504B4- repalcing two separate taco single zone controls

I currently have two separate Taco single zone controls wired together for use in my two zone radiant heat system- (Trooper helped me with this) I want to add a third zone with its own actuator and thermostat- and got my hands on a new Honeywell AQ2504B4 4 zone controller for less than an additional Taco single zone control costs. I need some help wiring it up to my existing system. Here is what my wiring currently looks like:



Any suggestions?
 
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Old 02-24-14, 03:48 PM
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Hi Monk, did you get the manual with it? For some reason I can't seem to locate it quickly via Google search, maybe it's a 'discontinued' model?

I thought I had a hard copy around here somewhere in my stacks of 5h1t but can't locate it either!

Never mind... I think Google just turned it up...
 
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Old 02-24-14, 03:58 PM
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I'm not certain, but have a feeling that you can't use a standard thermostat with these... you might have to use the AQ1000 thermostats...

What all did you get with your control? Which modules exactly?
 
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Old 02-25-14, 06:52 AM
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I don't have it in hand yet, however, here is a link to its replacement the AQ2504b4. http://s3.pexsupply.com/manuals/1351..._PROD_FILE.pdf

It looks straightforward enough- but I'd definitely like some guidance.
 
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Old 02-26-14, 05:12 AM
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When you get the unit we'll need to know which 'modules' you have.
 
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