Performing Leak Test & Insulation - Samsung AC KNZDCH/AA Series Installation Manual

Performing leak test & insulation
Leak test
LEAK TEST WITH NITROGEN (before opening valves)
LEAK TEST WITH R-410A (after opening valves)
CAUTION
Insulation
Acrylonitrile Butadien Rubber
NOTE
CAUTION
Leak
check
T13.0mm (0.51") or thicker
13
Leak check
NBR [T13.0mm (0.51") or thicker]
Insulation
Insulation
Liquid pipe
Gas pipe
Insulation pipe
Indoor unit
Be sure to overlap
the insulation
CAUTION