1.Ifthesupplycordisdamaged,itmustbereplacedbythemanufacturerorits
service agent or a similar qualified person. The type of connecting wire is
H05RN-F
or H07RN-F.
2.IfthefuseonPCboardisbrokenpleasechangeitwiththe
type of
T. 3.15A/250V.
3.Thewiringmethodshouldbeinlinewiththelocalwiringstandard.
4. After installation, the power plug should be easily reached.
5. A breakershouldbeincorporatedintofixedwiring.Thebreakershouldbe
all-pole
switch and the distance between its two contacts should be not less
than 3mm.
Outdoor unit
Indoor unit
A
B
Outdoor unit
Indoor unit
A
B
A
B
Outdoor unit
Indoor unit
Oil trap
Outdoor unit
Install according to Drawing for the installation of indoor and
outdoor units
Tobend a pipe,givetheroundnessaslargeaspossiblenottocrushthepipe,
ƽ
andthebendingradiusshouldbe30to40
mm or longer.
Connecting the pipe of gas side first makes working easier.
ƽ
TheconnectionpipeisspecializedforR410A.ƽ
Use the same method on indoor unit. Loosen the screws onƽ
terminal block and
insert the plugs fully into terminal block, then tighten the screws.
Insert the cable according to terminal number in the same manner as the indoor
unit.
ƽ
Ifwiringisnotcorrect,properoperationcannotbecarriedoutandcontroller
maybedamaged.
ƽ
Fix the cable with a clamp.ƽ
Installation of Outdoor Unit
Half union
Flare nut
Torque wrench
CAUTION
Becarefulthatmatters,suchaswastesofsands,etc.shallnotenterthepipe.
Thestandardpipelengthis5m.Ifitisover7m,thefunctionoftheunitwillbe
affected. If the pipe has to be lengthened, the refrigerant should be charged,
according to 20 g/m. But the charge of refrigerant must
beconductedbyprofes-
sionalairconditionerengineer.Beforeaddingadditionalrefrigerant,performair
purgingfromtherefrigerantpipesandindoorunitusing a vacuumpump,then
Spanner
Forced fastening without careful centering may
damage the threads and cause a leakage of gas.
Pipe Diameter(ǿ) Fastening torque
Liquid side6.35mm(1/4") 18N.m
Liquid/Gas side9.52mm(3/8") 42 N.m
Gasside12.7mm(1/2") 55N.m
Gas side 15.88mm(5/8") 60 N.m
Max.Elevation:
●
In case the elevation A is more
●
than 5m, oil trap shoud be
installed every 5~7m
Max. Length:
●
In case the pipe length B is●
more than 7m, the refrigerant
should be charged, according
to 20 g/m.
Connection of pipes
charge additional refrigerant.
Connection
If the drain-elbow is used,ƽ
please attach it as figure. (Note:
Onlyforheatpumpunit.)
Detachtheserviceport’scap of
1.
3-wayvalve,thevalverod’scapfor2-wayvalve
and 3-way’s, connect the service port into the
projection of charge hose (Iow)
for gaugemanifold.
Then connect the projection of charge hose (center) for gau-
gemanifold into vacuum pump.
Open the handle at Iow in
2.
gaugemanifold, operate vacuum pump. If the scale-
moves of gause (Iow) reach vacuum condition in a moment, check
1. again.
Vacuumize for over 15min.And check the level gauge which should read -0.1MPa
3.
(76 cm Hg) at Iow
pressure side. After the
completion of vacuumizing, close the
handle ‘Lo’ in gaugemanifold and stop the operation of the vacuum pump. Check
condition of the scale and hold it for 1-2min. If the scale-moves back in spite of
tightening, make flaring work again, the return to the beginning of 3 .
Attaching Drain-Elbow
Purging Method:To use vacuum pump
Openthevalverodforthe2-wayvalvetoanangle of4.
anticlockwise 90 degrees.
After 6 seconds, close the
2-way valve and make the
inspection of gas leakage.
Amax=10m
Bmax=15m
HSU-07LEK13/R2
HSU-09LEK13/R2
HSU-12LEK13/R2
HSU-18LEK13/R2
HSU-24LEK13/R2
Indoor unit
Outdoor unit
)
2(N)1(L
3G1.0mm
Power cable:
3G1.0mm
Indoor unit
Outdoor unit
3G1.5mm
Power cable:
3G1.5mm
HSU-07HEK13/R2
HSU-09HEK13/R2
HSU-12HEK13/R2
HSU-24HEK13/R2
Indoor unit
Outdoor unit
1/
Power cable:
3G2.5mm
6G0.75mm
Power
HSU-18HEK13/R2
1
/
Power cable:
3G2.5mm
4G0.75mm
Power
Power cable:
3G1.0mm
-mod 09-12:
2
3G1.5mm
-mod 18:
3G1.0mm
-mod 09-12:
2
3G1.5mm
-mod 18:
2
{
POWER
3G2.5mm
2
Indoor unit
Outdoor unit
4G0.75mm
2
1
2
N
2
)
(
3
(C)
L
1
)
(
Power cable:
HSU-18LEK03/R2(DB)
HSU-24LEK03/R2(DB)
Functions and Control
63
Domestic Air Conditioner
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