Pridiom AMS241HX

I purchased this unit about 3 months ago fron Total Home Supply. When I noticed it no longer was working I called the tech line for Pridiom. Allen asked me to check the voltage to unit which I had my tech come out  and it was 244 volts. Alllen blamed the burned board on too high a voltage and threatened to void my warrenty. He insist I add a buck-boost inline. Why was this never mentioned in the installation manual if it is sooooo sensitive to voltage? I also purchased 2 Pridiom AMS121HX that run on 115 and he said a buck-boost was not needed. Has anybody heard of this before? My hvac tech never had a problem with any other manufactures in 45 years of experience but is not familar with these.

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Permalink Reply by Mike Luongo on February 16, 2011 at 9:27am

Some electrical items may be sensitive to high voltage.  When you have a 220 volt line, the actual voltage can be anywhere from approximately 208 to 244 volts.  This voltage may vary depending on the usage in the area.  Sometimes when the usage is low, such as overnight, the voltage can go up to over 250 volts.  A buck-boost will reduce this high voltage.  There are three models which will work well with the Pridiom mini splits:

Federal SB12N.750F

Acme T-1-81052

Hammond QC75ERCB

The above are rated as follows:

 

KVA:      7.81        Amps:  34.37    Line Voltage  250    Load Voltage   227

KVA:      7.66        Amps:  34.37    Line Voltage  245    Load Voltage   223

 

These units are available online and cost under $125.00.

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