Water test hole
Main body
Water tray
Water test cover
Injection pipe
Exhaust plug
Figure 4.3
4
-
2
-
1
Drainage test is needed for new room before paving the ceiling.
4
-
2
Drainage Test
6
56
Fault (if any) should be removed immediately.
50~100mm
50~100mm
50~100mm
200mm以下
Gradient is above 1/100
Figure 4.2 Drainpipes of Several Unites Connect with Sewer through Main Drainpipe
Air exhaust
pipe 1
12
4
.
Drain Pipe Layout
Below 200 mm
Below 200 mm
Air exhaust
pipe 2
Connecting pipe parts of water exit
Main connecting pipe parts of water exit
A
ll b
e
lo
w 6
0
0 m
m
1
)
.
Remove water trying cover, through water trying mouth; inject about 2,000 ml of water into water
tray through injection pipe (See Figure 4.3)
2
)
Turn on the power. Operate the air condition in cooling mode. Check the operation noise of
draining pump and check if the outfall can drain normally (in accordance with the different length of
drainpipes, it may need about 1 minutes to drain ) and if the interfaces leak.
Pumping connecting pipe
Notice
Notice
!
Notice
Notice
!
Drain plug under the bottom of main body is used for draining water in water tray when air
condition is in fault and maintenance. During using, plug well this drain plug in case of leakage.
3
)
Stop the air conditioner. Check if there are any abnormal conditions after 3 minutes. If
drainpipe is arranged unreasonably, too much water will flow back, which will cause alarming of
control box, flashing of indicator and even overfall of water tray.
4
)
Continue to add water and it will alarm due to high water level. Check if draining pump drains
water immediately. If water level can't drop down under warning level after 3 minutes, the unit will
stop. At this time, turn off the power and drain water before turning it on normally.
5
)
Turn off the power, drain water and install the water testing cover back to the original place.
V.2