Samsung AVMKH020EA4 Service Manual page 268

Installing order and method (cont.)
4. Leakage check
G Insert the inert gas like nitrogen into the drainpipe of outdoor unit,
and check the leakage of connection part with suds or exclusive
materials. In this time, there should be no leakage.
5. Connection of the drainage hose
G Install drainage hose, for the drainage is natural type. And be sure
to check the drainage after connection by pouring water.
6. Electric and grounding work
G Observe "the technical standard for electric equipment" and
"Indoor wiring regulations" for the electric and grounding work.
7. Check and test operation
G After the test operation, explain the main functions of air conditioner
to the customer. And then finish the installation.
Samsung Electronics
Reference Sheet
Checkpiont of Checkpiont of
Indoor unit Outdoor unit
Extension hose Hose
connection part
13-20