Indoor unit
Outdoor unit
)
L
(
1
)43
N
(
2
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.
3
Outdoor unit
4
)
L
(
1
)
N
(
2
Power cable: ≥3G1.0mm
2
(For: L N )+2x0.75mm
2
Power cable: ≥3G1.0mm
2
≥3G1.0mm
2
Connecting wiring:
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.
Insertthecableaccordingto terminalnumberinthesamemannerastheindoor
unit.
ƽ
If wiring is not correct, proper operation can not be carried out and controller
may be damaged.
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
to be lengthened, the refrigerant should be charged,
according to 20 g/m. But the charge of refrigerant must
be conducted by profes-
sional air conditioner engineer. Before adding additional refrigerant, perform air
purging from the refrigerant pipes and indoor unit using a vacuum
pump,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:
●
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 figure. (Note:
Only for heat pump unit.)
Detach the service port’s cap of
1.
3-way valve, the valve rod’s cap for 2-way valve
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) 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,makeflaring workagain,thereturntothebeginning of 3 .
Attaching Drain-Elbow
PurgingMethod:Tousevacuumpump
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
1(L
)
2(N)
3
4
Connecting wiring: 1(L) ǃ2(N) ǃ
3G1.0mm
2
3ǃ4
2G0.75mm
2
Indoor unit
HSU-09RM03/R2
HSU-12RM03/R2
HSU-07HR03/R2
HSU-09HR03/R2
HSU-12HR03/R2
HSU-09H EK03/R2
HSU-12H EK03/R2
HSU-09HEA03/R2
HSU-12HEA03 /R2
HSU-07HEA03/R2
HSU-12RH03/R2
HSU-09RH03/R2
HSU-12HVA03/R2
HSU-09HEA03 /R2-I
HSU-12HEA03 /R2-I
HSU-09HRA03/R2
HSU-12HRA03/R2
HSU-09HEA103/R2
HSU-12HEA103/R2
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