Purpose of a Mini Split Low Ambient Kit

January 8, 2009 by Shawn Mack  
Filed under Technical Guide

Low Ambient Kit“A low ambient kit is only used to continue creating air conditioning in temperatures below 55°F.”

Most consumers use their ductless mini split for air conditioning in warmer months of the year. Some consumers need air conditioning year round and at temperatures well below freezing. In general, air conditioners should not be operated in temperatures below 55°F.

Server rooms, meeting halls and restaurants are just a few examples of cases when air conditioning is needed when the outdoor temperature is below freezing. Not to mention the poor guy in the warehouse with his office next to the boiler!

Anytime air conditioning is needed below 55°F a low ambient kit is required. A low ambient kit is an electrical accessory that can be added to your ductless mini split.

The low ambient kit works by slowing the fan speed to maintain higher head pressure in the condensers compressor and prevent freezing. The fan speed is controlled by the low ambient kit that is connected to the fan motor on the condenser.

Many people see the term “low ambient kit” and think that it can be used to continue the operation of their heat pump in the cooler months. This is not true.

A low ambient kit is only used to continue creating air conditioning in temperatures below 55°F.

When looking for a low ambient kit make sure you find one that is compatible with your mini split air conditioner brand and voltage. Low ambient kits are easy to install and will come with directions for connecting to the fan motor.

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5 Responses to “Purpose of a Mini Split Low Ambient Kit”
  1. Omar Main Says:

    I have a few Sanyo minisplit units that are heat pumps, model number 3172cmh.
    The problem i am runnning into is they won’t operate below 67 degrees in cooling. Is there a solution to this problem or do I just have to live with it?

  2. Soi Ngo Says:

    Where can I purchase this low ambient fan control kit and what is the part number?

  3. Airport Transfers Chorleywood Says:

    Wow! In the end I got a blog from where I be ccapable
    of genuinely get valuable facts concerning my study and

  4. Bee Openshaw Says:

    Hi, I have a Samsung R22 12,000btu heatpump going into a small server room 1m wide x 3m long. I am told the unit will ice up unless I fit a low ambient kit. Is this correct?

  5. informativen Beitrag Says:

    Keep this going please, great job!

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