Multi Variable Air Conditioners Ducted Type Indoor Unit
11
Model
A
B
C
150
（
5-7/8
）
850
（
33-1/2
）
800
（
31-1/2
）
(10) Drain pipes should have a downward slope of at least 1%~2%, in order to prevent pipes
from sagging install hanger bracket
s
at intervals of 1000~1500mm(39-3/8~59 in.).
Unit: mm(in.)
Fig 4.3.10
4.3.3 Test of Drainage System
◆
Models with water pump
(1)
Please test drainage system after electric
al
work is finished.
Inject approximately
1L purified water to drain pan from air vent,
do not splash
the water over the
electrical components (e.g. water pump. etc.).
1)
Spray 1L water on evaporator with sprayer.
2) When
commissioning
is
finished, energize the IDU
'
s and switch to cooling or
dry
mode,
the water pump
will
operate,
check the transparent portion of the drain socket to make
sure
the
unit is
draining
properly
.
3)
If
the
communication wire is not connected, communication malfunction “E6” will occur
after
3
min of energizing. In this case, the water pump operates automatically.
Make
sure the
water pump drains normally through drainage port. The water pump will
stop
automatically after running for 1min.
(2)
During the test, please carefully check the drainage joint, make sure
it is not leaking
.
(3)
Make sure to perform a
drain test before
finishing the
ceiling.
◆
Models without water pump
(1)
Inject some water to the water tray of indoor unit as following:
DUCT09HP230V1BD
DUCT12HP230V1BD
DUCT18HP230V1BD
DUCT24HP230V1BD
