Leak Test; Fixing The Installation Plate - Samsung ND022QHXEA User Manual

Fixing the Installation Plate

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Performing Leak Test & Insulation

Leak test

LEAK TEST WITH NITROGEN(before opening valves)
In order to detect basic refrigerant leaks, before recreating the
vacuum and recirculating the R410A, it's responsible of installer
to pressurize the whole system with nitrogen(using a pressure
regulator) at a pressure above 4.1MPa(gauge).
LEAK TEST WITH R410A(after opening valves)
Before opening valves, discharge all the nitrogen into the
system and create vacuum. After opening valves check leaks
using a leak detector for refrigerant R410A.
 The designs and shape are subject
to change according to the model.
CAUTION
Discharge all the nitrogen to create a vacuum and
charge the system.
installing your air conditioner _33
2010-4-24 13:49:18