jd1923 Posted June 21 Share Posted June 21 I had written Kevin at SDG a question re the fan modes on the Atmos. He did not answer after being responsive before. Resent the message this morning, was hoping to get written reply I could share but he called me instead. Bottom line, the Atmos runs the fan like the Houghton, meaning whether in cooling or heat pump (all) modes, the fan is always running. Then said he had no feedback on humidity build-up, but the opposite as compared to Dometic and other products. Said because condensate is not collected, but released on the roof, humidity is not created. I would say take his last comment as sales speak! I replied that I was less worried about humidity living in the SW but did not want an AC unit to run all night for no good reason. I don't want to hear it, even a quiet fan, no interest here in white noise! Also, why run the fan all night as a drain on the battery when not needed. We know the furnace fan uses a bit of AHs. There were comments on the Sprinter forum re the heat pump would come on when it got cold later overnight. One mentioned having only one set temp for heating and cooling. Others wrote that didn't make sense, but there was no conclusion. Kevin mentioned the heat pump coming on too. I forgot to ask about two set temps, like for example set at 75 for cooling and 65 degrees for heating. In between these numbers and I want the HVAC system off, no sound, no current usage! It appears regardless of a Houghton, Atmos or other choices, a relay must be installed to turn fan off with compressor may be needed for some. The only good thing about the Dometic Penguin is that in AUTO the fan will stop at set temp. The other option is to click the remote to OFF position at some point when in bed at night. 1 2 Chris & John in Prescott, AZ | 2016 EII #113 | '01 Ram 2500 Cummins! Link to comment Share on other sites More sharing options...
Ronbrink Posted June 22 Share Posted June 22 20 hours ago, jd1923 said: The only good thing about the Dometic Penguin is that in AUTO the fan will stop at set temp. You have made reference to this before. I’ve always heard the AUTO setting is for running the heater, not the AC; at least for later model Olivers. 2020 OLEll, Twin, 579: No installed solar, Renogy 40A DC-DC charger, 460Ah LFP battery bank/Victron SmartShunt, Hughes Autoformer, dual Lagun tables, auxiliary Cerbo-S GX/Victron 30A Blue Smart IP22 Charger combo, Dreiha Atmos 4.4 a/c upgrade. 2019 GMC Savana 2500 Cargo Van: 6.0L V8 Vortec, 6-Speed Automatic; Explorer Limited SE, Low-Top 7 Passenger van conversion, RWD. Link to comment Share on other sites More sharing options...
jd1923 Posted June 22 Share Posted June 22 2 hours ago, Ronbrink said: You have made reference to this before. I’ve always heard the AUTO setting is for running the heater, not the AC; at least for later model Olivers. I believe we have a replacement thermostat, not the original, though I do not know the Dometic model names or numbers. Check the picture. It's set on AUTO and has the snowflake meaning the AC is on. This mode will switch the fan to off when the compressor is off. On this thermostat the AC can be set on at low-high-auto fan settings, there is a separate furnace setting and I believe a heat-strip setting on the thermostat that is not applicable to our unit (or something we've never used). I have it set at 84 and it runs most of the time during the afternoons in the hot AZ sun (it would get to mid 90s in there without it) and will turn off after sunset for the night. When I'm working in there, I drop the temp a few degrees, AND I HAVE TO TURN THE VOLUME UP ON THE RADIO TO HEAR IT!!! 🤣 2 Chris & John in Prescott, AZ | 2016 EII #113 | '01 Ram 2500 Cummins! Link to comment Share on other sites More sharing options...
Geronimo John Posted June 22 Share Posted June 22 On 6/19/2024 at 8:22 AM, rideadeuce said: It's like my sealed transmission in the Tundra just not worth the effort if it goes bad, just replace it with another sealed unit IMO and Toyotas. I would bet that the vast majority of the 415,800 HVAC tech's would not support automatic replacement of an broke HVAC unit. I would also bet that the the few who agree are likely sales staff...... 🙂 GJ **************************** how many AC repair techs are in USA According to the Bureau of Labor Statistics, the number of technicians employed in the heating and refrigeration sector in the US rose between 2021 and 2022. According to the US Bureau of Labor Statistics, 415,800 heating, air conditioning, and refrigeration mechanics and installers were employed in the US in 2022. TV: 2019 F-150 SuperCrew Lariat, 3.5L EcoBoost, 10 Speed Trany, Max Tow, FX-4, Rear Locker OLLIE: 2018 OE2 Hull 342, Twin Bed. OLLIE DIY’s: Timken Bearings, BB LiFePO4's, Victron 712 Smart, 350 Amp Master Switch, Houghton 3400, Victron Orion DC - DC, 3000-Watt Renogy Inverter, P.D. 60-amp Converter, Frig Dual Exhaust Fans, Kitchen Drawer Straps. Front Wardrobe Shelves, Snuggle Shelf. TV DIY’s: 2 5/16" Anderson System, Nitto recon’s, Firestone Rear Air Bags, Bilstein 5100’s, Mud Flaps & Weather Tech all, installed Ham Radio (WH6JPR). Link to comment Share on other sites More sharing options...
Ronbrink Posted June 23 Share Posted June 23 (edited) 17 hours ago, jd1923 said: I believe we have a replacement thermostat, not the original, though I do not know the Dometic model names or numbers. Check the picture. It's set on AUTO and has the snowflake meaning the AC is on. This mode will switch the fan to off when the compressor is off. My thermostat looks exactly like yours. I referenced the Dometic Operating Instructions for the thermostat and confirmed your assessment on use of the air conditioner set on AUTO spot on, thanks for the enlightenment! I now know the AUTO setting can be used for both heating AND cooling. See attached. Edited June 23 by Ronbrink 1 2020 OLEll, Twin, 579: No installed solar, Renogy 40A DC-DC charger, 460Ah LFP battery bank/Victron SmartShunt, Hughes Autoformer, dual Lagun tables, auxiliary Cerbo-S GX/Victron 30A Blue Smart IP22 Charger combo, Dreiha Atmos 4.4 a/c upgrade. 2019 GMC Savana 2500 Cargo Van: 6.0L V8 Vortec, 6-Speed Automatic; Explorer Limited SE, Low-Top 7 Passenger van conversion, RWD. Link to comment Share on other sites More sharing options...
Ronbrink Posted June 26 Share Posted June 26 (edited) There is a new video on the Sprinter-Forum highlighting the Atmos 4.4 in a ‘non-ducted’ installation on a 2020 mini motorhome (make and model escape me). Unlike other videos posted in that forum, this one mimics more closely the perceived install in an Oliver IMO. Edited June 26 by Ronbrink 2 2020 OLEll, Twin, 579: No installed solar, Renogy 40A DC-DC charger, 460Ah LFP battery bank/Victron SmartShunt, Hughes Autoformer, dual Lagun tables, auxiliary Cerbo-S GX/Victron 30A Blue Smart IP22 Charger combo, Dreiha Atmos 4.4 a/c upgrade. 2019 GMC Savana 2500 Cargo Van: 6.0L V8 Vortec, 6-Speed Automatic; Explorer Limited SE, Low-Top 7 Passenger van conversion, RWD. Link to comment Share on other sites More sharing options...
jd1923 Posted July 18 Share Posted July 18 (edited) Anybody considering the little Houghton 9.5K model, now would be the time to buy at 11% off! I'm still undecided and delaying this upgrade since I am spending $$$$ on batteries and inverter now: RV Air Conditioner Low Profile 9.5k Quiet AC Unit with Optional Heat Pump and Remote Control, Non-Ducted - RecPro Edited July 18 by jd1923 Added link 2 Chris & John in Prescott, AZ | 2016 EII #113 | '01 Ram 2500 Cummins! Link to comment Share on other sites More sharing options...
Half Fast Hugo Posted July 19 Share Posted July 19 13 hours ago, jd1923 said: Anybody considering the little Houghton 9.5K model, now would be the time to buy at 11% off! I'm still undecided and delaying this upgrade since I am spending $$$$ on batteries and inverter now: RV Air Conditioner Low Profile 9.5k Quiet AC Unit with Optional Heat Pump and Remote Control, Non-Ducted - RecPro I've been seriously considering getting one, clicked on the link, and they're out of stock! Dang! 1 2021 LE II - Hull 922 - "Ollie Be Back" 2013 Silverado 2500HD Duramax Hugo & Penny Bob & Cash (the pups) Link to comment Share on other sites More sharing options...
MAX Burner Posted July 19 Share Posted July 19 On 6/17/2024 at 3:45 PM, jd1923 said: Given an 8-week wait, I should decide soon! We're on that same train, John! Art, Diane, Magnus & Oscar (double-Aaarrf!) 2022 TUNDRA 2017 LE II; Hull #226 "Casablanca" HAM call-sign: W0ABX Link to comment Share on other sites More sharing options...
CRM Posted July 19 Author Share Posted July 19 23 hours ago, jd1923 said: Anybody considering the little Houghton 9.5K model, now would be the time to buy at 11% off! I'm still undecided and delaying this upgrade since I am spending $$$$ on batteries and inverter now: RV Air Conditioner Low Profile 9.5k Quiet AC Unit with Optional Heat Pump and Remote Control, Non-Ducted - RecPro Just saw this in the specs for this unit. If I decide to buy one, it certainly won't be one with a black cover! 1 2 2010 Elite II, Hull #45. 2014 Toyota Sequoia Platinum 4WD 5.7 with tow package. Link to comment Share on other sites More sharing options...
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