Table of Contents
Advertisement
VRF 50/60Hz
5.6 Water tightness Test and Water Flow Test
Once installation of a drainage piping system is complete, water tightness and water flow tests should be performed.
Notes for installers
Water tightness test
•
Fill the piping with water and test for leakages over a 24-hour period.
Water ow test (natural drainage test)
•
Slowly fill the drainage pan of each indoor unit with at least 600ml of water through the inspection port and
check that the water is discharged through the outlet of the drain piping.
Caution
•
The drain plug in the drainage pan is for removing accumulated water prior to performing indoor unit
maintenance. During normal operation, the drain should be plugged to prevent leakage.
96
Advertisement
Chapters
Table of Contents
