PDF eBook R22 Superheat Subcooling Calculator Charging Chart – This can be a very useful gizmo that takes the guess work out of charging cooling techniques. One facet of this instrument is a slide chart used for calculating superheat for a NON-TXV system and the opposite facet is a slide chart used to calculate subcooling on a TXV system. The picture exhibits each side of the instrument. This instrument is manufactured from thick sturdy water-proof paper inventory with nook rivets. It matches simply in your shirt pocket at roughly 6.25 inches excessive by three.25 inches broad.
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