Two-way Cassette Indoor Unit Owner's Manual
14
model
A(mm)
B(mm)
GMV-ND28TS/A-T
GMV-ND36TS/A-T
GMV-ND45TS/A-T
GMV-ND50TS/A-T
GMV-ND56TS/A-T
GMV-ND63TS/A-T
GMV-ND71TS/A-T
GMV-ND80TS/A-T
GMV-ND90TS/A-T
GMV-ND112TS/A-T
GMV-ND140TS/A-T
260
740
(12) 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)
GMV-NDR28
～
140TS/A
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
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