Gree U-MATCH GFH09K3CI, Service Manual

Page: 84 / 264

A/A DC INVERTER U-MATCH AIR CONDITIONERS INSTALLATION
81
polythene pipe: Outer diameter 25mm Surface thickness ≥ 1.5mm)
‹ Drain hose should be short and drooping gradient should at less 1/100 to prevent the formation of air bubble.
‹ If drain hose cannot has enough drooping gradient, drain raising pipe should be added.
‹ To prevent bent of the drain hose, the distance between hoisting stand should is 1 to 1.5m. (As shown in Figure
1-3-8)
1-1.5m
○
(Correct) 1/100 or more gradient
×
(wrong)
Figure 1-3-8
‹ The install height of the drain raising pipe should less than 280mm.
‹ The drain raising pipe should form a right angle with the unit, and distance to unit should not beyond 300mm.
(As shown in Figure 1-3-9)
Celling
1-1.5m
Hanger bracket
Below
1120mm
Above
280mm
200mm
Drainage raising pipe
Drainage hose
(attachment)
Cassette type unit
with in 300mm
Clamp(attachment)
Figure 1-3-9
‹
The slant gradient of the attached drain hose should be within 75mm so that the drain
hole
doesn’t has to
endure the unnecessary outside force. (As shown in Figure 1-3-10)
Drain hose(attachment)
.
Below75mm Below50
0
mm
Figure 1-3-10
‹ Please install the drain hose according to the following process if several drain hoses join together. (As shown
in Figure 1-3-11)
T-tie in join drain hose
Above100mm
.
The specs of the selected join drain hose should fits the running capacity of the unit.
Figure 1-3-11
‹ Check the smoothness of drain after installation.
‹ Check the drain state by immiting 600cc water slowly from the outlet vent or test hole. (As shown in Figure
1-3-12)
‹
Check the drain in the state of refrigerating after installation of the electric circuit.