1.Ifthesupplycordisdamaged,itmustbereplacedbythemanufacturerorits
serviceagentor a similarqualiedperson.Thetype of connectingwireis
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 breakershouldbeincorporatedintoxedwiring.Thebreakershouldbe
all-pole
switch and the distance betwee
nitstwocontactsshouldbenotless
than 3mm.
3
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.
Connectingthepipe of gassiderstmakes workingeasier.
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 accordin
gto terminalnumberinthesamemannerastheindoor
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.Ifthepipehas tobelengthened,therefrigerantshouldbecharge
d,
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.
Max.Elevation: Amax=10m
In case the elevation A is more
than 5m, oil trap shoud be
installed every 5~7m
Max. Length: Bmax=15m
Incasethepipelength 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 gure. (Note:
Onlyforheatpumpunit.)
Detachtheserviceport’scap of
1.
3-wayvalve,thevalverod’scapfor2-wayvalve
and3-way’s,connecttheserviceportintothe
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)reachvacuumconditionin a moment,check
1. again.
Vacuumi
zeforover15min.Andcheckthelevelgaugewhichshouldread-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 aring 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.
Pipe Diameter() Fastening torque
Liquid side6.35mm(1/4") 18N.m
Liquid/Gas side9.52mm(3/8") 42 N.m
Gasside12.7mm(1/2") 55N.m
Gasside15.88mm(5/8") 60N.m
Indoor unit
Outdoor unit
4G1.5mm
2
Indoor unit
Outdoor unit
)
L
(
1
34)
N
(
2
4
(For: L N )+2x0.75mm
2
Power cable: 0mm
2
0mm
2
Connecting wiring:
HSU-09HR03/R2(DB)
HSU-12HR03/R2(DB)
Power cable: 5mm
2
HSU-09HRA103/R2
HSU-12HRA103/R2
HSU-09RUG03/R2(SDB)
HSU-12RUG03/R2(SDB)
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