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10-02-2018, 05:42 PM
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#1
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Junior Member
Join Date: Sep 2018
Posts: 8
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Need some HVAC climate control wiring assistance
97 34' Fleetwood southwind storm
Dual AC and single heater
I'm in the process of updating the RV and replacing most of the electronics. I'm a little confused the wiring requirements. I have a single controller for both AC's and heater in the bedroom along with I'm assuming a temp sensor in the bedroom and in the living room. Anywhere I can find a wiring diagram that would explain this? I assumed the temp sensors went directly to the controller but it appears to only have 6 wires, I expected a lot more than that.
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10-02-2018, 05:55 PM
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#2
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Senior Member
Join Date: Apr 2011
Location: Powell River, B.C.
Posts: 31,486
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Welcome to iRV2 .
Could you add some info on your roof A/C units ( manufacturer ) furnace , and the type of wall t'stat you have ; ( Duo Therm 4 button ? ) to your post . 
Is some installations the front A/C unit has a master control board and all communication from the t'stat goes to the front unit then through the rest of the coach from there.
__________________
99DSDP 3884, Freightliner, XC, CAT 3126B, 300 HP /ALLISON 3060
2000 Caravan toad, Remco & Blue Ox.
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10-02-2018, 07:37 PM
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#3
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Junior Member
Join Date: Sep 2018
Posts: 8
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Quote:
Originally Posted by Skip426
Welcome to iRV2 .
Could you add some info on your roof A/C units ( manufacturer ) furnace , and the type of wall t'stat you have ; ( Duo Therm 4 button ? ) to your post .
Is some installations the front A/C unit has a master control board and all communication from the t'stat goes to the front unit then through the rest of the coach from there. |
I can't find much on them. I can see a tag with RV Products Inc on the rear AC unit under the cover. The controller is an Intellitec.
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10-03-2018, 08:49 AM
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#4
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Senior Member/RVM #90
Monaco Owners Club
Join Date: Nov 2002
Location: Columbus, MS
Posts: 54,780
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Hi !  Welcome to IRV2! We're sure glad you joined the gang! 
Can't help with the diagram but noticed you are kinda new on IRV2 and wanted to say hello!
Good luck, happy trails, and God bless!  
__________________
Joe & Annette
Sometimes I sits and thinks, sometimes I just sits.....
2002 Monaco Windsor 40PBT, 2013 Honda CRV AWD
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10-03-2018, 11:04 AM
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#5
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Senior Member
Join Date: Nov 2014
Location: TEJAS
Posts: 814
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Does your thermostat look like this?
This is the controller.
The wiring of the controller.
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10-03-2018, 05:11 PM
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#6
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Junior Member
Join Date: Sep 2018
Posts: 8
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That's it. Thanks for the help. I'll look this over. This is a little more complex that I thought it would be. I'm guessing there's not any easy update piece for this?
Quote:
Originally Posted by spyderRV
Does your thermostat look like this?
This is the controller.
The wiring of the controller.
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10-04-2018, 02:37 AM
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#7
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Senior Member
Join Date: Mar 2017
Location: Zebulon, NC
Posts: 5,211
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 Welcome to the forum!
__________________
Kelly and Jerry Powell with Halo (Lethal White Aussie), Nash the Rat Terrorist, and now Reid, the "Brindle we have no idea puppy"
2020 Grand Design Solitude 390RK-R
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10-04-2018, 10:07 AM
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#8
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Senior Member
Join Date: Nov 2014
Location: TEJAS
Posts: 814
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10-04-2018, 10:35 AM
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#9
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Senior Member
Join Date: May 2017
Location: Metamora, MI
Posts: 5,525
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Spyder, did you replace the original duo thermostat with two Honeywell conventional home thermostats?
__________________
2002 Newmar Mountain Aire Limited 4370 w/ Spartan K2 and Cummins 500hp
ASE Master Certified (a long.....time ago...)
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10-04-2018, 10:38 AM
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#10
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Moderator Emeritus
Join Date: Jan 2000
Location: West Palm Beach, FL. USA
Posts: 27,697
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It's complex because that system controls a/c load shedding (30A power management) with the thermostat function.
__________________
Gary Brinck
Former owner of 2004 American Tradition and several other RVs
Home is West Palm Beach, FL
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10-04-2018, 10:55 AM
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#11
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Senior Member
Join Date: Nov 2014
Location: TEJAS
Posts: 814
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Quote:
Originally Posted by Dav L
Spyder, did you replace the original duo thermostat with two Honeywell conventional home thermostats?
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I kept the original thermostat to keep the load management functions of the AC's. The residential thermostat controls the original thermostat with more precision and turns off the fans when the desired temp is reached. I usually set the original thermostat to low fans and the temp slider all the way down.
It seemed to me the way the original thermostat would not turn off the fans when desired temp is reached, it would blow moisture back into the coach instead of letting it drain off the evap coils.
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Linear Mode
