You are going to have to order it from a dealer. Order low ambient temp with the wind baffles.
Another suggestion is to look at an air-to-air exchanger to trade out warm air in the cooler weather. Then A/C isn't needed in really cold weather. On Wed, Aug 15, 2018 at 11:46 AM Nate Burke <[email protected]> wrote: > Any ideas how to find the magical part numbers? I have come up completely > empty so far other than the sheets that say 'kit needed' with no other > explanation. > > On 8/15/2018 10:31 AM, Aeron Wireless wrote: > > It will be from the manufacturer. It needs to be sized correctly. To much > and it wastes energy, too little and it doesn't heat the oil. Mitsubishi > makes their own components, unlike a no-name brand. > > > On Wed, Aug 15, 2018 at 11:25 AM Nate Burke <[email protected]> wrote: > >> So they're added a s a 3rd party option, or from the manufacturer? >> >> On 8/15/2018 10:14 AM, [email protected] wrote: >> >> Ah, yes, that’s it, crankcase heater. I was close. >> >> *From:* Aeron Wireless >> *Sent:* Wednesday, August 15, 2018 9:10 AM >> *To:* [email protected] >> *Subject:* Re: [AFMUG] Low Temperature AC >> >> I've seen two different kits. One, more common in refrigeration, is a >> crank case heater to keep the oil fluid. The other (more common in HVAC) >> controls (reduces) the condenser's fan speed to prevent it from (literally) >> freezing up. >> >> On Wed, Aug 15, 2018 at 11:07 AM <[email protected]> wrote: >> >>> I don't know what is different but I have been faced with the same thing. >>> It seemed to me that it had something to do with the compressor starting >>> when super cold. >>> Perhaps different oil in it or something. >>> >>> -----Original Message----- >>> From: Nate Burke >>> Sent: Wednesday, August 15, 2018 8:56 AM >>> To: Animal Farm >>> Subject: [AFMUG] Low Temperature AC >>> >>> I'm looking to get a Mini Ductless Split system to put in a small server >>> closet. Over the winter our outdoor temps get down to the -10 to -20F >>> range but heat is still generated in the middle of the building. >>> Looking at the Mitsubishi 'P' Series "Mr Slim" Lots of data sheets talk >>> about the 'Ultra low ambient cooling option' Where the outdoor unit >>> will work down to -40F. But I have not been able to find a single thing >>> that says what the 'Ultra Low ambient cooling option' actually is, or >>> any part numbers for it. >>> >>> The product catalog has a page dedicated to 'Low Ambient Cooling System' >>> that operate to 0F and 'Ultra Low Ambient Cooling Systems' that operate >>> down to -40F. But again, no part numbers are listed. >>> http://www.mitsubishieng.ca/en/hvac/p-series/operation.html Lists a -40f >>> Option. >>> >>> https://www.mitsubishipro.com/products/p-series/outdoor/single-zone-cooling-only >>> Lists a -20F option. >>> >>> Has anyone had experience with these? It seems like it's more than just >>> a wind baffle on the compressor, there are extra line heaters and >>> filters that are needed? My Normal HVAC Guys are used to working >>> residential/small business, so the need for cooling over the winter is >>> hard for them to understand. Other HVAC guys that I've found that know >>> about the P-Series only know that the spec sheet says cold weather >>> operation, but nothing beyond that. >>> >>> Any Tips or different systems to look at? >>> >>> Nate >>> >>> -- >>> AF mailing list >>> [email protected] >>> http://af.afmug.com/mailman/listinfo/af_af.afmug.com >>> >>> >>> -- >>> AF mailing list >>> [email protected] >>> http://af.afmug.com/mailman/listinfo/af_af.afmug.com >>> >>> ------------------------------ >> -- >> AF mailing list >> [email protected] >> http://af.afmug.com/mailman/listinfo/af_af.afmug.com >> >> >> >> -- >> AF mailing list >> [email protected] >> http://af.afmug.com/mailman/listinfo/af_af.afmug.com >> > > > > -- > AF mailing list > [email protected] > http://af.afmug.com/mailman/listinfo/af_af.afmug.com >
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