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]
<mailto:[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] <mailto:[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]
<mailto:[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
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