Hitachi RAF-50PXA RAF50PXA 사용자 설명서
제품 코드
RAF50PXA
12-4
4) Test run method
•
Turn power on
•
Remove lid of electric box and set the drain pump
test run switch to TEST RUN
test run switch to TEST RUN
•
After checking the drainage, return the switch to
NORMAL
NORMAL
5) Perform test running of drain pump to check drainage
operation
Caution
If drain pump test run is always set to TEST, drain pump
may malfunction
If drain pump test run is always set to TEST, drain pump
may malfunction
12.4.3 CHECKING OF DRAWING HOSE
①Connect the separate drain hose to the drain hose that is
attached to the indoor unit
②For keeping the smooth flowing of condensed water, the
drain hose should be inclined as shown in figure below.
Caution
•
•
Please ensure the smooth flow of condensed water of
the indoor unit during installation. (Carelessness may
result in water leakage
the indoor unit during installation. (Carelessness may
result in water leakage
•
Be sure that the hose is not loosely connected or bent
•
In case drain piping cannot be done smoothly due to
obstacles, it can also be arranged outside of the main
unit as shown in the drawing below.
obstacles, it can also be arranged outside of the main
unit as shown in the drawing below.
•
Maximum drain-up length shall be
Applicable models
Max drain up
length
RAD-25RPA/35RPA/50RPA
300mm
RAD-50PPA/60PPA/70PPA
500mm
•
When the relative humidity of inlet or ambient air
exceeds 80%, apply an (field-supplied) auxillary drain
pan beneath the indoor unit as show below
exceeds 80%, apply an (field-supplied) auxillary drain
pan beneath the indoor unit as show below
Suspension bracket
(Field supplied)
(Field supplied)
90° Elbow Pipe (VP25)
(Field supplied)
(Field supplied)
Lift piping for Drain-up
(PVC Tube, VP25) (Field
supplied)
(PVC Tube, VP25) (Field
supplied)
90° Elbow Pipe (VP25)
(Field supplied)
(Field supplied)
Indoor unit
Drain pump
Drain
pan
pan
Drain piping (PVC Tube)
Field supplied
1/25 to 1/100
down slope
down slope
Hose clamp
(235)
188
(M
ax)
37
4 t
o
50
0 (
Dr
ain
-u
p l
e
n
g
th)
Indoor unit
Auxiliary Drain Pan
(Field-supplied)
To the Atmosphere
Pump of oil stove
Water
Pail
Water pan
Drain pump
Drain pump test drive switch
Normal
Test
Good
Refrigerating
pipes
pipes
Drain
hose
hose
Bad
Bad
Drain
hose
hose
Condensed
water pond
water pond
Air pocket
Bad
Bad
Ditch
Condensed
water pond
water pond