Lennox VE2C009N432U, Руководство по установке, Страница: 19 / 32

Multi Variable Air Conditioners Two-way Cassette Type Indoor Unit
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(11) During the installation, distance from soft drain pipe to the gasket is C mm when the bolt
is tightened. It is not allowed to apply PVC or other related glue in the joints of two ends
of drain pipe.
Fig 4.3.6
Model C(mm)
VE2C009 ~ 024N432U 10±3
4.3.3 Test of Drainage System
(1) Please test drainage system after electric work is finished.
Inject approximately 1L purified water to drain pan from air vent, ensure that not to splash
the water over the electrical components (e.g. water pump. etc).
1) In case of commissioning finished, please energize the IDUs and switch to cooling or
dry mode, meanwhile, the water pump operates, you can check the draining through
the drain socket.
2) If communication wire is not connected, communication malfunction “C0” will occur
after 60s of energizing. In this case, the water pump operates automatically. Check if
the water pump drains normally through drainage port. The water pump will stop
automatically after running for 10mins.
(2) During the test, please carefully check the drainage joint, make sure no any leakage
occur.
(3) It’s strongly recommend to do the drain test before ceiling decoration.
Fig 4.3.7