5. Slide both pipes over the stubs of the valve ensuring a minimum of a 9.5 mm (3/8”) connecting joint.
6. Wrap the valve in cool wet towels to help prevent excessive heat from damaging the valve.
7. Heat the two (2) sections of pipe and apply a (6% silver 94% tin) type solder ensuring the two (2) pipe
connections are properly sealed.
• • • CAUTION • • •
Ensure the body of the valve gets no hotter than 285°F (140°C).
• • • CAUTION • • •
To prevent damaging the internal components of the valve, do not point the flame towards the center (body) portion of the valve. Refer to
Figure C-4 Brazing Connections.
Figure C-4 Brazing Connections
8. Once cooled, Re-install the Schrader valve. Finger tight plus a ½ turn (3Nm). Then install the Schrader valve cap.
9. Leak test the cooled joint to ensure there are no leaks.
10. Use an appropriately sized hex wrench to turn the setting screw. Set the valve according to Table C-1
KVPSetting.
Table C-1 KVPSetting
Setting KVP for 30°F
Refrigerant Pressure @ 30°F 360° Rotations for 30°F
R134a 26 4.3
R513A 30 5.0
R1234ze 15 2.5
R515B 30 5.0
Page 130 of 136 - M-AP-001-EN Rev. S 9/8/2021
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