Haier 4U36MS2VHB [9/30] Step 4 leak test and evacuation
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Haier 4U36MS2VHB [9/30] Step 4 leak test and evacuation

Haier AW07LC2VHA [9/30] Step 4 leak test and evacuation

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Step 4 Leak Test and Evacuation Note This system has one set of service valves When evacuating the system the service valve ports will have access to all in door units and refrigerant line sets Evacuation at the service valve portswill evacuate the ENTIRE piping system including indoor units Step 4 3 System Evacuation Step 4 2 Attach a manifold gauge micron gauge and vacuum pump to the suction line port using adapter AD 87 field supplied Illustration 5 Evacuate the system to 350 microns Close the vacuum pump valve and check the micron gauge If the gauge rises above 500 microns in 60 seconds evacuation is incomplete or there is a leak in the system If the gauge does not rise above 500 microns in 60 seconds evacuation is complete Step 4 3 Remove the adapter and hose connection from the suction line port and replace the cap Step 4 4A 4 4B Remove the caps from the liquid line and suction line valves valve Using the hex wrench open each of the valves then replace and tighten the caps Step 4 5 Wrap the lineset drain line and wiring starting at the bottom of the bundle with an overlap type wrap concluding at the piping hole Use a sealant to seal the piping hole opening to prevent weather elements from entering the building Step 4 4B Verify the condensate drain line has a constant pitch downward for proper water flow There should be no kinks or rises in the tubing which may cause a trapping effect resulting in the failure of the condensate to exit the piping Step 4 2 Step 4 5 INSTALLATION PAGE 9

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