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SiBE811001EB TroubleshootingCONVENI-PACK 3269.1.6 Mounting Position of Expansion ValveMounting position of thermostatic expansion valveNormally, mount this valve in a vertical position with the diaphragm part placed UP.Should for any reason the valve be mounted in a horizontal position, mount it with the externalequalizer pipe joint placed DOWN.9.1.7 Cautions in Construction1. Be sure to conduct brazing work while cooling the main unit of the expansion valve with awet cloth or the like.(Since the main body incorporates rubber and plastic members, not heeding this caution willresult in melted members leading to a failure.)2. Pay attention not to apply heat to the feeler bulb of the expansion valve while in brazing workor else.(Not heeding this caution will heat up gas in the feeler bulb to burst the diaphragm, thusresulting in a failure.)3. Be sure to use T joints in order to braze the equalizer pipe and suction pipe.(The reason is that the unit is of KHK compatible model.)4. Take measures so as not to transfer heat to the feeler bulb and capillary part while in brazingwork or else.Internal equalizer type:Proper positionUPDOWNOutletInletExternal equalizer type:Externalequalizer pipemounting port Inlet Valve Outlet Equalizer pipe Diaphragm Spring Feeler bulb Adjusting bolt Inlet Valve Outlet Equalizer pipe Diaphragm Spring Feeler bulb Adjusting bolt Inlet Valve Outlet Equalizer pipe Diaphragm Spring Feeler bulb Adjusting boltImproper position OutletOutletInletInletThe diaphragm part is filled with refrigerant oil and liquidrefrigerant, thus disabling the proper operation of the valve(i.e., resulting in unsmooth operation).External equalizerpipe mounting portPosition available to theexternal equalizer typePlace the externalequalizer pipe downwardExternal equalizerpipe mounting port