Haier Hsu 71hek03r2(db)0 303031303533383431325FB0B2D7B0CBB5C3F7CAE92E706466 User Manual To The 19506ca6 B5c0 44ee B197 Aea0aa8b4f79
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Installation manual
for room air conditioner
HSU-26HEK03/R2(DB)/I
HSU-35HEK03/R2(DB)/I
HSU-53HEK03/R2(DB)/I
HSU-71HEK03/R2(DB)/I
HSU-26HEK03/R2(DB)/O
HSU-35HEK03/R2(DB)/O
HSU-53HEK03/R2(DB)/O
HSU-71HEK03/R2(DB)/O
Read this manual before installation and keep it for future reference.
Please explain to the user how the product works and refer them to the operation manual.
NO.0010553937
Content
2
Preparation
p3
Accessory parts
p3
Selection pipe
p3
Drawing for the installation of indoor and outdoor units
p3
Indoor unit
p5
Outdoor unit
p6
Refrigerant charge label
p8
Check for installation and test run
p8
Preparation
Accessory parts
Remote controller (1)
Drain hose (1)
Driver
AAA dry battery (2)
Cushion (4)
Nibbler
Mounting plate (1)
Drain-elbow (1)
Plastic cap (4)
Ø4X25 Screw (4)
Pipe supporting plate (1)
Necessary tools for installation
Hacksaw
Hole core drill
Spanner (17,19 and 26mm)
Gas leakage detector or soap-and-water solution
Vacuum pump
Torque wrench (17mm, 22mm, 26mm)
Pipe cutter
Flaring tool
Selection of pipe
Knife
Model
Measuring tape
HSU-26HEK03/R2(DB)/O
")
9.52mm (3/8")
Reamer
HSU-35HEK03/R2(DB)/O
")
9.52mm (3/8")
Refrigeration gauges
HSU-53HEK03/R2(DB)/O
")
12.7mm (1/2")
HSU-71HEK03/R2(DB)/O
")
15.88mm (5/8")
Power source
Liquid pipe (Ø)
Gas pipe (Ø)
NOTE: The thickness of the pipe must be at least 0.8mm.
Install an exclusive circuit for the power.
Check the power source voltage is the same as the rating plate.
Selection of installation place
Indoor Unit
The place chosen to install the indoor unit should be:
Not affected by heat or steam generated in the vicinity, where inlet and outlet
of the unit are not blocked or restricted.
Where it is possible to drain easily, and where piping can be connected
with the outdoor unit.
Power requirements
Model
Max rated current
HSU-26HEK03/R2(DB)/O
6.1
HSU-35HEK03/R2(DB)/O
6.0
HSU-53HEK03/R2(DB)/O
10.5
HSU-71HEK03/R2(DB)/O
13.8
Where conditioned air can be evenly distributed through the whole room.
Where there is more than 1m distance from televisions, radios, wireless
are on.
Outdoor Unit
The place chosen to install the outdoor unit should be:
Strong enough to bear the unit, where vibration and noise are not increased.
Where discharged air and noise do not cause a nuisance to the neighbours.
Where a distance marked
3
Drawing for the installation of indoor and outdoor units
Attention must be
paid to the rising up
of drain hose
More than 5cm (26/35/53)
More than 10cm (71)
Optional parts for piping
A Non-adhesive tape
B Adhesive tape
C Saddle (L.S.) with screws
D Connecting electric cable
for indoor and outdoor
G
More than 10cm
E Drain hose
F Heating insulating material
G Piping hole cover
Arrangement of
piping directions
More than 10cm
Rear
right
Left
the outdoor unit (Unit:mm)
F
Rear left
A
Z
Right
Below
C
X
More than 10cm (26/35/53)
Y
X
More than 15cm (71)
More than 10cm (26/35/53)
Model
More than 20cm (71)
y
z
140
500
256
HSU-35HEK03/R2(DB)/O
140
500
256
HSU-53HEK03/R2(DB)/O
113.5
583
319.5
HSU-71HEK03/R2(DB)/O
113.5
633
340
HSU-26HEK03/R2(DB)/O
A and G are supplied parts
D
pipe length is 2m.
Dimensions
x
Fixing of outdoor unit
E
Fix the unit to concrete or block with
horizontally.
More than 60cm
earthquake or strong wind.
More than 15cm (9/12/18)
More than 25cm (24)
unit by attaching
a vibration-proof mat.
The picture above is just for your reference. Please refer to the actual product purchased.
4
Indoor Unit
1 Fitting of the Mounting Plate and Positioning of the Wall Hole
2 Making a Hole on the Wall and Fitting the Piping Hole Cover
Make a hole of ‘B’mm in diameter, slightly descending to outside the wall.
1. Find a suitable mounting location, ensuring there is adequate support to hold
the weight of the unit, check it is level, then temporarily fasten the plate.
Install piping hole cover and seal it off with putty after installation.
Wall hole
2. Check the plate is level, by hanging a thread with a weight from
the central top of the plate or using a spirit level, then fasten securely.
ØBmm
3. Determine the wall hole location ‘A’ using a measuring tape.
Indoor side
(Section of wall hole)
Thickness of wall
Outdoor side
G Piping hole pipe
3 Installation of the Indoor Unit
Drawing of pipe
[ Rear piping ]
Draw pipes and the drain hose, then fasten them with adhesive tape
[ Left Left-rear piping ]
HSU-26HEK03/R2(DB)/I
In case of left side piping, cut away, with a nibbler, the lid for left piping.
In case of left-rear piping, bend the pipes according to the piping direction to the
mark of hole for left-rear piping which is marked on heat insulation materials.
938
245
245
20
20
60
100
2. Insert the indoor/outdoor electric cable from the back of the indoor unit, and
pull it out on the front side, then connect them.
3. Coat the
seal face with refrigerant oil and connect pipes. Cover the
connection part with heat insulation materials, and
it with adhesive tape.
60
480
229
Indoor/outdoor electric cable
110
Heat insulation
material
HSU-35HEK03/R2(DB)/I
Lid for right
piping
Lid for under piping pipe
Lid for left piping
Drain hose
Piping
Pipe supporting
plate
1046
268
13
13
268
299
Fix with adhesive tape
70
85
191
70
667
135
Indoor/outdoor electric cable and drain hose must be bound with refrigerant
piping by protecting tape.
[ Other direction piping ]
Cut away, with a nibbler, the lid for piping (according to the piping direction)
and then bend the pipe according to the position of wall hole. When
bending, be careful not to crush the pipes.
Connect the indoor/outdoor electric cable.
HSU-53HEK03/R2(DB)/I
Fixing the indoor unit body
Hang the unit body onto the upper notches of the
mounting plate. Move the body from side to side to
it is
securely.
12
12
260
260
1156
320
265
1. Insert the drain hose into the cavity of heat insulation materials of indoor unit.
70
40
138
70
860
105
HSU-71HEK03/R2(DB)/I
In order to
the body onto the mounting plate,hold
up the body on an angle from the underside and
then pull it down perpendicularly.
mounting plate
Unloading of indoor unit body
When you remove the indoor unit,
use your hand to raise the
body from the hooks, then lift the
bottom of the body outward
slightly and lift the unit on an angle
until it separates from the mounting plate.
Hooks mounting plate
Fix a mounting bar to the side bar and lintel (sold separately), and then fasten
mounting bar.
the plate to the
Refer to note 1, “ When the mounting plate is
“, for the position of wall hole.
5
Indoor unit cont.
DRED Function
6.Please consult your reseller and/or installer to determine if you have a DRED appliance.
Connect output from your home's electricity power meter (where available) to the RJ45
connector on the outdoor unit, as shown.
4 Connecting the indoor/outdoor Electric Cable
Removing the wiring cover
Remove terminal cover at right bottom corner of indoor unit,
then take off wiring cover by removing its screws.
(This function is unavailable on some models.)
When connecting the cable after installing the indoor unit
1. Insert from outside the room cable into left side of the wall
hole, in which the pipe is fitted or installed.
2. Pull out the cable on the front side, and connect the cable
making a loop.
When connecting the cable before installing
the indoor unit
Loosen the screws and insert the cable ends fully into terminal block,
then tighten the screws.
Pull the cable slightly to make sure the cables have been properly
inserted and tightened.
After the cable connection, always fasten the connected cable
with the wiring cover.
1 Installation of Outdoor Unit
Install according to ‘Drawing for the installation of indoor and outdoor units’
(see page 4)
2 Connection of pipes
To bend a pipe, use the correct bending tool, so as not to crush the
pipe, and the bending radius should be 30 to 40 mm or longer.
Connect the pipe gas side
Note
the terminal number of indoor
When connecting the cable,
and outdoor units carefully. If wiring is not correct, the system will
not operate correctly. Damage to the PCB due to incorrect
wiring is not covered by warranty.
The connection pipe is specialized for R410A.
Half union
Flare nut
Forcedfastening
fasteningwithout
without careful
careful centering
Forced
centeringmay
may
damagethe
thethreads
threadsand
and cause
cause a leakage of
damage
of gas.
gas.
Pipe Diameter( )
Pipe diameter (Ø)
Electrical connection
Outdoor unit
Indoor unit
Spanner
Fastening torque
Fastening torque
Liquid side6.35mm(1/4")
Liquid side 6.35mm (1/4")
18 N.m
Liquid/Gas side9.52mm(3/8")
Liquid/Gas side 9.52mm (3/8") 42 N.m
Gas side 12.7mm(1/2")
Gas side 12.7mm (1/2")
55 N.m
Gas side 15.88mm(5/8")
Torque wrench
Gas side 15.88mm (5/8")
60 N.m
18N.m
42 N.m
55N.m
60 N.m
Be careful that foreign materials such as sand, etc. do not enter the pipe. The
charge of refrigerant must be conducted by professional air conditioner engineer.
Before adding additional refrigerant, perform air evacuation from the refrigerant
pipes and indoor unit using a vacuum pump, then charge additional refrigerant.
4G0.75mm2
CAUTION
Power cable:
3G1.5mm
POWER
2
Outdoor unit
HSU-26HEK03/R2(DB)/O
HSU-35HEK03/R2(DB)/O
B
A
1
Indoor unit
Indoor unit
B
Outdoor unit
2
A
3(C)
3G2.5mm
Outdoor unit
B
1. If the supply cord is damaged, it must be replaced by the manufacturer or its
service agent or a similar qualified person. The type of connecting wire
and power cable is H05RN-F or H07RN-F.
Oil trap
A
HSU-53HEK03/R2(DB)/O
HSU-71HEK03/R2(DB)/O
Indoor unit
In case the elevation A is more
than 5m, oil trap shoud be
installed every 5~7m
Max. Length: Bmax
= 15m (HSU – 26/35)
= 25m (HSU – 53/71)
Pre charge
Base charge pipe length
Additional
charge amount
2. If the PC board fuse is broken replace with a T.3.15A/250VAC (Indoor)
or T.25A/250VAC (Outdoor).
Model
3. The wiring method should be in line with the local and national wiring
standards.
HSU-26HEK03/R2(DB)/O
1000g
7m
20g/m
HSU-35HEK03/R2(DB)/O
1080g
7m
20g/m
4. After installation, the power isolator should be easily reached.
6
Max.Elevation: Amax
= 10m (HSU – 26/35)
= 15m (HSU – 53/71)
Outdoor unit
2N
Power cable:
{
1L
POWER
2
( )
2
( )
4G0.75mm
Indoor unit
wiring. The breaker should be
5. A breaker should be incorporated into
all-pole switch and the distance between its two contacts should be not less
than 3mm.
HSU-53HEK03/R2(DB)/O
1550g
10m
20g/m
HSU-71HEK03/R2(DB)/O
2100g
10m
50g/m
Outdoor unit cont.
33 Connection of Electrical Cable
Use the same method on indoor unit. Loosen the screws on terminal block
and insert the plugs fully into terminal block, then tighten the screws.
Step 4
Open the 2-way valve to an angle of anticlockwise 90 degrees.
After 6 seconds, close the 2-way valve and test for refrigerant gas leakage.
If wiring is not correct, proper operation can not be carried out and the
controller may be damaged.
2-way valve
Fix the cable with a clamp.
3-way valve
O
4 Attaching Drain-Elbow
Open 90
If the drain-elbow is used,
please attach it as
(Note: Only for heat pump unit.)
Step 5
No gas leakage? If ok, proceed to Step 6.
455 Evacuation Method: Use vacuum pump
Step 1
Remove the service port cap from the 3 way valve, the valve caps for the
2 way & 3 way valves. Connect hose to the service port (low) side of the
manifold gauge.
Then connect the centre hose from the manifold gauge to the vacuum pump.
In case of refrigerant leakage, tighten parts of pipe connections. If leakage
stops, then proceed to Step 6.
If this does not stop gas leakage, reclaim all refrigerant from the service
and repeating vacuuming on the system, with the
port. After
prescribed refrigerant level. Check again for leaks.
2-way valve Liquid Side
3-way valve Gas Side
Gauge manifold (for R410A)
Step 6
Detach the charge hose from the service port, open 2-way valve and 3-way valve.
Turn the valve anticlockwise until closed.
2-way valve
3-way valve
Tube (for R410A)
Vacuum pump (for R410A)
Step 2
Open the tap on the low side of the manifold and operate the vacuum pump.
If the gauge (low) reaches a vacuum immediately repeat step 1 above again.
Step 7
To prevent refrigerant leakage, tighten the service port’s taps and caps to ensure
sealed.
they are
2-way valve
3-way valve
Open
Valve rod cap
Step 3
Vacuum for over 15min. Check the (low) gauge which should read
-0.1 MPa (-76 cm Hg) at Iow pressure side. After completion of vacuuming
the system, close the low tap on the manifold and turn off the vacuum pump.
Check the low side gauge to see if it holds for 1-2 min. If the gauge does not
and return to the beginning of Step 3.
hold pressure, check all the
Close
Service port cap
Valve rod cap
Step 8
After
the caps, check for refrigerant gas leakage around the caps.
CAUTION
If the refrigerant of the air conditioner leaks, it is necessary to reclaim all
the refrigerant, then pull a vacuum BEFORE recharging the refrigerant into
the air conditioner according to the amount marked on the name plate.
Please do not charge with refrigerant, except as
(R410A), or
allow air to enter into the cooling circulation system. Otherwise, this may
cause abnormal high pressure in the system which may lead to personal
injuries or damage to piping.
7
Outdoor unit cont.
Refrigerant charge label
Contains fluorinated greenhouse gases
covered by the Kyoto Protocol
1 Power Source Installation
The air conditioner must be wired with a dedicated circuit to the distribution
board. The protection device should be sized to meet the current
requirements of the unit as shown on page 3 and comply with local and
national wiring standards.
R410A
1=
kg
2
2=
kg
1+2=
kg
1
If installing the air conditioner in a moist place, please install an earth
leakage breaker.
F
A
B
C
D
E
For installation in other places, use a circuit breaker.
Protocol. Do not vent into the atmosphere.
2 Cutting and Flaring Work of Piping
Refrigerant type: R410A
GWP* value:1975
Pipe cutting is carried out with a pipe cutter and burrs must be removed.
A
Flare tool for R410A
Conventional flare tool
Clutch-type
clutch-type(Rigid-type) Wing-nut type (Imperial-type)
0~0.5mm
1.0~1.5mm
1.5~2.0mm
1.Cut pipe
Flare tooling die
GWP=global warming potential
2.Remove burs
be adhered in the proximity of the product charging port (e.g. onto the inside of the
stop value cover).
A
B factory refrigerant charge of the product: see unit name plate
C
D total refrigerant charge
3.Insert the flare nut
4.Flare pipe
E outdoor unit
F refrigerant cylinder and manifold for charging
Check for installation and test run
Correct
Incorrect
Lean
Damage of flare
Crack
Please kindly explain to our customers how to operate the unit through
the instruction manual.
Partial
Too
T outside
Check items for test run
Put check mark
in boxes
Gas leak from connecting pipe?
3 On Drainage
Insulation of pipe connecting
Pp ?
Please install the drain hose to be always sloping downhill.
Examples of incorrect
Are the indoor and outdoor interconnecting cables
interconnecting cables
Less than
5cm
It becomes The end is imm- It waves. The gap with the
There is the bad
high midway. ersed in water.
ground is too small. smell from a ditch
Is drainage securely carried out?
Is the earth line securely connected?
Is power source voltage correct?
Is there any noise?
condensate is carried to outdoor.
In case that the attached drain hose is in a room, please apply
insulation to drain
.
Is the indicator lamp lit?
Are cooling and heating (when in heat pump) performing normally?
Is the operation of room temperature adjustment normal?
8
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