Drazice AIR 2,6 kW Manual de funcionamiento e instalación - Página 19
Navegue en línea o descargue pdf Manual de funcionamiento e instalación para Aire acondicionado Drazice AIR 2,6 kW. Drazice AIR 2,6 kW 19 páginas. Outdoor unit
Imprimir páginaHow to Purge Air Tubes:
Unscrew and remove caps from 2 and 3-way valves.
(1)
Unscrew and remove cap from service valve.
(2)
Connect vacuum pump flexible hose to the service valve.
(3)
Start vacuum pump for 10-15 minutes until reaching a vacuum of 10 mm Hg absolutes.
(4)
With vacuum pump still running close the low-pressure knob on vacuum pump manifold.
(5)
Then stop the vacuum pump.
Open 2-way valve ,1/4 turn, then close it after 10 seconds. Check tightness of all joints
(6)
using liquid soap or an electronic leak detector.
Turn 2 and 3-way valves stem to fully close the valves. Disconnect the flexible vacuum
(7)
pump hose.
Replace and tighten all valve caps.
(8)
22-5-2019