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Old 02-20-2010, 09:02 AM   #15
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Wayne R's Avatar
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Location: Winter Haven Brownsville, TX
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Basil, I'm bad . I just went out and checked my basement heat exchanger. It is plumbed to heating loop 2 and wired to thermostat zone 4. Easy to tell on mine because the basement thermostat has black and blue/wires. I should no better than to trust my memory.

Wayne & Kathy
05 Alpine 40FDQS #75330 Towing 24' car hauler, 2012 Spyder, 2003 Harley FatBoy
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Old 02-21-2010, 09:28 AM   #16
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Posts: 183
RE: Aqua-Hot Basement Heat

The Aqua-Hot recommended heat exchanger zone wiring diagram is shown below.

Note that heating zones 1 and 5 activates the zone 1 (left side) pump. Heating zones 2, 3 and 4 activate zone 2 (right side) pump.

- Roger Berke -
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Old 02-24-2010, 09:02 PM   #17
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Location: Vancouver, WA
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All - I believe mine is set up this way - although I have not traced out the wires.
Zone 1 - Front AC - 3 HH Registeres - 1)Front passenger area - 2)Under the living room couch - 3)Under the kitchen rear slide.
Zone 2 - Rear AC - 1) Register under the bathroom sink provides shower and WC area with heat - 2)Register under the rear closet with heat provided to bedroom only
There is no Zone 3 on my thermonstat. I believe that the thermonstat in the water tank area is zone 3 and I have never checked it's operation I just assume it works. We have never had any trouble.

With all that, I do need to rework the registers output lines so they have no bends and the air delivery is less restrictive.
Monty & Janet - 2007 Alpine APEX 40 MDTS
S/N - 75715 - Retired - Master Certified RV Tech
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Old 02-25-2010, 11:11 AM   #18
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Location: Las Vegas, NV
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You are correct about the 2 thermostat "zones. "The "water tank" heat exchanger is in series with zone 2 (the bedroom.) It is just a separate input and control for its fan, that turns on the pump that services zone 2.
If you look at the diagram above, you will see that the "water tank" thermostat is input 4. (inputs being numbered 1 thru 5 to the left of the zone 1 and 2 pump listings.) WRV doesn't' use the separate bathroom and bedroom inputs and you will see that pump 2 is controlled by inputs 2,3 and 4, while each input controls its own fan.
Dale Gerstel
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Had: 2007 Limited SE 40fdts
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Old 02-28-2010, 06:11 AM   #19
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Location: Summer Rowlett TX (Why?)/Winter Palm Springs CA Two Springs RV Resort http://www.twospringsrv.com/
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Fixed it. I found the basement thermostat wires capped and tied back at the HH control box. I found the fan wires cut off back by the holding tanks. Thank you WRV. Hooked everything up and it works fine.

Since we do not do cold weather, I never knew the thing did not work. If in doubt, I suggest you stick the sensor in ice to check it.

Basil & Sue Shannon
Former Apex owner (Gary & Renee have it now)
Was Traveling Circus (2 clowns/Sage the Wonder Dog) Tent rotted. Circus folded.
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