The Mitsubishi Electric S70E30346 noise filter circuit board is used in a number of outdoor units from their commercial "Mr. Slim" line of air conditioning and heat pump systems. Based on available parts and compatibility lists, this board is associated with the following models: PUHZ-P125YHA (and its variations like PUHZ-P125YHA.UK, PUHZ-P125YHAR1.UK, PUHZ-P125YHAR2.UK, PUHZ-P125VHA2) PUHZ-P140YHA (and its variations like PUHZ-P140YHA.UK, PUHZ-P140YHAR1.UK, PUHZ-P140YHAR2.UK, PUHZ-P140VHA2) This type of circuit board is designed to reduce electrical noise and interference in the system, ensuring the unit operates smoothly and reliably.
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