Gree GMV-ND07PHS/B-T Owner's Manual page 17

Multi Variable Air Conditioners Ducted Type Indoor Unit
Model
GMV-ND07PHS/B-T(U)
GMV-ND09PHS/B-T(U)
GMV-ND12PHS/B-T(U)
GMV-ND15PHS/B-T(U)
GMV-ND18PHS/B-T(U)
GMV-ND22PHS/B-T(U)
GMV-ND24PHS/B-T(U
GMV-ND30PHS/B-T(U)
GMV-ND36PHS/B-T(U)
GMV-ND42PHS/B-T(U)
GMV-ND48PHS/B-T(U)
GMV-ND54PHS/B-T(U)
GMV-ND72PH/B-T(U)
GMV-ND96PH/B-T(U)
(10) Drain pipes should have a downward slope of at least 1%~2%, in order to prevent pipes
from sagging, install hanger bracket at intervals of 1000~1500mm (39-3/8~59 inch).
4.3.3 Test of Drainage System
 Models with water pump
(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) Spray 1L water on evaporator with sprayer.
2) 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
transparent part of drain socket.
3) 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 drains normally through drainage port. The water pump will stop
automatically after running for 10minch
(2) During the test, please carefully check the drainage joint, make sure no any leakage occur.
(3) It is strongly recommend to do the drain test before ceiling decoration.
A
150(5-7/8)
/
Fig.4.3.10
13
B
1050(41-5/16)
/
C
1000(39-3/8)
/
Unit: mm (inch)