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Midea MTA3-12HRN1 Manual

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INSTALLATION MANUAL
For correct installation, read this manual before starting installation.
This manual may be subject to change without notice for purpose of improvement.
AIR CONDITIONER
CONTENT
INSTALLTION INFORMATION...........................................................................1
ACCESSORIES..................................................................................................1
INSTALLATION PLACE......................................................................................2
INDOOR UNIT INSTALLATION..........................................................................3
INSTALL THE CONNECTING PIPE...................................................................7
REFRIGERANT PIPE CONNECTION..............................................................9
CONNECT THE DRAIN PIPE...........................................................................11
WIRING.............................................................................................................12
TEST OPERATION...........................................................................................22
To install properly, please read this manual at first.
The air conditioner must be installed by qualified persons.
When installing the indoor unit or its tubing, please follow this manual as strictly as possible.
When all the installation work is finished, please turn on the power only after a thorough
check.
No further announcement if there is any change of this manual caused by product improv-
ement.
Note: The installor should illustrate to users how to correctly use and maintain the air-condi-
tioner, as well as remind users to carefully read and keep both Installation Manual and
Owner's Manual well.
INSTALLATION INFORMATION
ACCESSORIES
1. Remote controller..................1
2. Frame...................................1
3. Mounting screw
(ST2.9x10-C-H).....................2
4. Alkaline dry batteries(AM4)
...............................................2
1
Remote controller & Its Frame
1
2
3
Remote
controller
Remote controller
holder
Mounting screw B
ST2.9x10-C-H
C
Never throw or beat the controller.
Before installation, operate the remote controller
to determine its location in a reception range.
Keep the remote controller at least 1m apart from
the nearest TV set or stereo equipment. (It is
necessary to prevent image disturbances or
noise interferences.)
Do not install the remote controller in a place
exposed to direct sunlight or close to a heating
source, such as a stove.
Note that the positive and negative poles are
in right positions when loading batteries.
Cautions on remote controller installation
5.
..............................................1
Remote controller manual
1
1
2
1
1
Name of Accessories
Installation manual
Pipe insulation material
Accessory drain pipe
Adhesive tape for seal
Q'ty
Outline
Usage
Heat insulation
To connect drain pipe
To connect drain pipe
(This manual)
Remote controller subassembly
Remote control the air-conditioner.
The Indoor Unit
The Outdoor Unit
There is enough room for installation and maintenance.
The ceiling is horizontal, and its structure can endure the weight of the indoor unit.
The air outlet and the air inlet are not impeded, and the influence of external air is the least.
The air flow can reach throughout the room.
The connecting pipe and drainpipe could be extracted out easily.
There is no direct radiation from heaters
INSTALLATION PLACE
Location in the following places may cause malfunction of the machine. (If unavoidable,
please consult your local dealer.)
a. There exists petrolatum.
b. There is salty air surrounding(near the coast).
c. There is caustic gas(the sulfide, for example) existing in the air (near a hot spring).
d. The Volt vibrates violently(in the factories).
e. In buses or cabinets.
f. In kitchen where it is full of oil gas.
g. There is strong electromagnetic wave existing.
h. There are inflammable materials or gas.
i. There is acid or alkaline liquid evaporating.
j. Other special conditions.
1. Select the correct carry-in path.
2. Move this unit as originally packaged as possible.
3. If the air conditioner is installed on a metal part of the building, it must be electrically
insulated according to the relevant standards to electrical appliances.
Cautions
There is enough room for installation and maintenance.
The air outlet and the air inlet are not impeded, and can not be reached by strong wind.
The place is dry and ventilative.
The support is flat and horizontal and can stand the weight of the outdoor unit. And no
additional noise or vibration.
Your neighborhood will not feel uncomfortable with the noise or expelled air.
There is no leakage of combustible gas.
It is easy to install the connecting pipe or cables.
Notes Before Installation
2
NOTE:
Remark per EMC Directive 89/336/EEC
For to prevent flicker impressions during the start of the compressor (technical process),
following installation conditions apply.
1. The power connection for the air conditioner has to be done at the main power distribution.
The distribution has to be of a low impedance, normally the required impedance reaches
a 32A fusing point.at
2. No other equipment has to be connected with this power line.
3. For detailed installation acceptance, please refer to your contract with the power supplier
restrictions do apply for products like washing machines, air conditioners or electrical if
ovens.
4. For power details of the air conditioner, refer to the rating plate of the product.
5. For any question contact your local dealer.
3
INDOOR UNIT INSTALLATION
Carry out the pipe and line operation in the ceiling after finishing the installation of the main
body. While choosing where to start the operation, determine the direction of the pipes to
be drawn out. Especially in case there is a ceiling, position the refrigerant pipes, drain pipes,
indoor & outdoor lines to the connection places before hanging up the machine.
The installation of hanging screw bolts.
Wooden construction
Install the main body
Installing f10 hanging screw bolts. (4 bolts)
Please refer to the following figure for the distance measurement between the screw bolts.
Please install with f10 hanging screw bolts.
The handling to the ceiling varies from the constructions, consult the construction personn-
els for the specific procedures.
1. The size of the ceiling to be handled ... ... do keep the ceiling flat. Consolidate the roof
beam for possible vibration.
2. Cut off the roof beam.
3. Strengthen the place cut off, and consolidate the roof beam.
Put the square timber traversely over the
roof beam, then install the hanging screw
bolts. (Refer to Chart 1)
Chart 1
Timber over the beam
Roof beam
Hanging screw bolts
Ceiling
New concrete bricks
Blade shape
insertion
Slide insertion
Chart 2
Inlaying or embedding the screw bolts.
(Refer to Chart 2)
4
Install and use directly the supporting angle
steel. (Refer to chart 4)
For Original concrete bricks
Use embedding screw bold, crock and stick
harness. (Refer to Chart 3)
Steel roof beam structre
Steel bar
Hanging screw bolt
Hanging bolts
Supporting
angle steel
Embedding screw bolt
Chart 3
Chart 4
(Pipe hanging and embedding
screw bolt)
Overhanging the indoor unit
(1) Overhang the indoor unit onto the hanging screw bolts with block.
(2) Position the indoor unit in a flat level by using the level indicator,
unless it may cause leakage.
Screw nut
Washer
Hanging
screw bolt
Overhang part
Chart 5
6a
Chart 6
1. Install the dust proof net according to the installation manual;
2. Install the canvas air passage underneath the dust proof net.
The static pressure in the outside of the unit is 39.2Pa (maximum 98Pa), the length of the
air pipe attached is determined by this parameter.
Installing the dust proof net and canvas air passage
Pipe Connection
The positioning of ceiling hole and indoor unit and hanging screw bolts
J=
m
xK
H
C
8
0
60
7
0
n-
f200
1
50
40
0
-
6
4
0
5
Air outlet
Main body : A
Ceiling hole: D
Panel: E
Distance between bolts: B
Hanging Screw bolt
4-M10 Site configuration
6b
Air outlet
Main body : A
Distance between bolts: B
Hanging Screw bolt
5
When using a back-air installation, please refer to chart 8:
.
Please explain clearly when ordering if customers need air inlet box. And note it is below
air inlet or back air-inlet.
970
A
205
Back panel layout
Chart 8
NOTICE!
Chart 7a and chart 7b are based on 40000Btu/h type, So, a little differences may exist on the
outlook and functions from yours.
255
(
A
d
d
ition
a
l
pu
rc
h
a
s
e)
(
A
ddit
io
nal p
urchase
)
(
A
d
d
ition
a
l
pu
rc
h
a
s
e)
(
A
ddition
a
l p
u
rch
a
se
)
(
A
d
dition
a
l p
u
rc
h
a
se
)
(
A
d
d
it
io
na
l
purc
ha
s
e)
A
ir
i
n
le
t
plankl
P
ane
l
Filter
n
e
t
D
ust
pro
of
n
et
C
an
va
s
duct
Ca
nv
as a
ir
p
a
s
sa
ge
C
e
ili
n
g h
o
le
470
C
e
ili
n
g
h
ole
4
70
250
250
20
0
20
0
450
4
5
0
P
an
e
l
5
00
P
a
n
el 5
0
0
Chart 7
7a:
7b:
Distance between bolts: L
Distance between bolts: L
Ma
in
b
o
d
y
: 8
0
0
Ma
in
b
o
d
y
: 8
0
0
63
0
63
0
7
0
7
0
1
4
5
1
4
5
76
0
76
0
2
6
5
2
6
5
33
5
Install the main body
E
n
tr
a
n
ce
s a
n
d
e
xit
s f
o
r
c
o
m
m
u
n
ic
a
ti
o
n
lin
e
s
o
f in
d
o
o
r
a
n
d
o
u
td
o
o
r
u
n
its
E
n
tr
a
n
ce
s a
n
d
e
xit
s f
o
r
c
o
m
m
u
n
ic
a
ti
o
n
lin
e
s
o
f in
d
o
o
r
a
n
d
o
u
td
o
o
r
u
n
its
C
o
n
n
e
c
tin
g
p
o
int
o
f
d
rain p
ip
e
C
o
n
n
e
c
tin
g
p
o
int
o
f
d
rain p
ip
e
12
0
12
0
C
o
n
n
e
cti
n
g
p
o
int
o
f
re
fr
ige
ran
t p
ipe
C
o
n
n
e
ctin
g
p
o
int
o
f
re
fr
ige
ran
t p
ipe
C
o
n
n
e
c
tin
g
p
o
int
o
f
re
fr
ige
ran
t p
ipe
C
o
n
n
e
c
tin
g
p
o
int
o
f
re
fr
ige
ran
t p
ipe
(
L
iq
u
id
side
f
G)
(
L
iq
u
id
s
ide
f
G)
(
G
a
s
sid
e
fF
)
(
G
a
s
sid
e
fF
)
Electric control box
75
75
Electric control box
Below air-inlet
Back air-inlet
ABCDEFGH IJKL m n
Capacity
(Btu/h)
1350
1400
1380
1400
1430
19
19
9.53
9.53 252
35
930 310 3
30000~48000
1000 1052
1112
1085 1470
24000
9000~18000
874 910 19 9.53
25
252 24.5 580 290
2
3
Chart
6b&7c
6a&
7a,7b
1000 1052
1112
1085 1470
19
9.53
24.5
1350
1400
1380
1400
1430
19 9.53
35
4
430
430
430
430
260
7c
Distance between bolts: L
Ma
in
b
o
d
y
: 3
8
0
2
2
0
55
63
210
1
7
5
C
o
n
n
e
cti
n
g
p
o
in
t o
f d
ra
in
p
ipe
I
C
o
n
n
e
cti
n
g
p
o
in
t
o
f
re
fr
ige
ra
n
t
p
ipe
C
o
n
n
e
cti
n
g
p
o
in
t o
f
refr
ig
e
ra
n
t
p
ip
e
(
L
iq
u
id
side
f
G)
(Ga
s s
ide
f
F
)
6
Hang the belt on the hook of the main body.
3. Fix the outside frame and the canvas air passage with screws.
Screw must be fixed on from the bottom to the top.
Panel installation
1. Unload inner frame.
Slide the knob, release the buckle from the outside frame hole, then unload the inner
frame.
2. Hang the outside frame on the main body with face down. (4 places at 4 corners).
Note : The signal wire of the remote control receiver must be drawn out through the canvas
air passage.
M
a
in b
o
d
y
W
a
is
t-
s
h
a
p
e
d
h
o
le
fi
x
e
d
b
o
a
r
d
Ca
n
va
s a
ir
pa
s
sa
g
e
C
e
il
ing
O
u
ts
ide
f
r
a
m
e
O
u
tsid
e
f
r
a
m
e
H
o
o
k
Ga
llu
s
Chart 11
Chart 12
Inside frame
Knob
Buckle
Outside frame
Chart 10
Scr
e
w
Ce
il
ing
Canvas air passage
Canvas air passage
Chart 13
C
e
il
ing
O
u
ts
ide
fr
a
m
e
A
ir
pa
s
sa
g
e
M
a
in b
o
d
y
4. Hang up the outside frame until it sticks to the ceiling tightly.
7
6. Install the inner frame on the outside frame (the inverse sequence of unloading the inner
frame).
Note: Connect the remote control receiver with the indoor unit signal wires and fix it.
5. Fix the main body and the outside frame with the fix board of waist-shape hole (in two
places).
W
a
is
t-sh
a
p
e
d
h
o
le
fix
e
d
b
o
a
r
d
O
u
ts
ide
f
r
a
m
e
H
o
o
k
B
e
n
d
Chart 14
Chart 15
O
u
tsid
e
fr
a
m
e
Air
in
le
t
I
n
sid
e
f
r
a
me
Air pa
ss
a
g
e
(R
e
v
e
r
s
e
sid
e
)
Hang one side of the fix board of the waist-shaped hole on the hook of the main body.
Tighten the other side of the board with screw to the outside frame.
Cut off the surplus part of the board with pliers.
Bend the top of the broken end.
Note : when hanging up the outside frame with the fix board of waist-shaped hole and the
belt, stick the outside frame tightly to the ceiling and fix it.
7. Install remote controller.
INSTALL THE CONNECTING PIPE
Check whether the height drop between the indoor unit and outdoor unit, the length of
refrigerant pipe, and the number of the bends meet the following requirements:
The max height drop...................................................................................................20m
(If the height drop is more than 10m, you had better put the outdoor unit over above the
indoor unit.)
The length of refrigerant pipe.......................................................................less than 30m
The number of bends....................................................................................Less than 15
Do not let air, dust, or other impurities fall in the pipe system during the time of installation.
The connecting pipe should not be installed until the indoor and outdoor units have been
fixed already.
Keep the connecting pipe dry, and do not let moisture in during installation.
1) Connect the indoor unit at first, then the outdoor unit.
,
Bend the tubing in proper way. Don t harm them.
The Procedure of Connecting Pipes
1. Measure the necessary length of the connecting pipe, and make it by the following way.
Daub the surfaces of the flare pipe and the joint nuts with frozen oil, and wrench it for 3~4
rounds with hands before fasten the flare nuts. (Refer to chart 19)
Be sure to use two wrenches simultaneously when you connect or disconnect the pipes.
Cautions
2) The stop valve of the outdoor unit should be closed absolutely (as original state). Every
time you connect it, first loosen the nuts at the part of stop valve, then connect the flare
pipe immediately (in 5 minutes). If the nuts have been loosened for a long time, dusts
and other impurities may enter the pipe system and may cause malfunction later. So
please expel the air out of the pipe with refrigerant (R407c) before connection.
o
The bending angle should not exceed 90 C
Bending position is preferably in the bendable pipe. The larger the better it is .
Do not bend the pipe more than three times.
Be sure to use the same insulating materials when you buy the brass pipe. (More than
9mm thick)
Cut out a desired concave at the bending part of the insulating pipe.
Then expose the pipe(cover it with tapes after bending).
To prevent collapsing of deforming, please bend the pipe at its biggest radius.
Use bender to get a small radius pipes.
3) Expel the air (refer to the Expel The Air ) after connecting the refrigerant pipe with the
indoor unit and the outdoor unit.
Then fasten the nuts at the repair-points.
Notices For Benable pipe.
Bend the connecting pipe of small wall thickness.
Use the market brass pipe.
Chart 19 Chart 20 Chart 21
Use frozen oil
Bend the pipe with thumb
Min-radius 100mm
Make the ends
straight
8
2. Locate The Pipe
1) Drill a hole in the wall (suitable just for the size of the wall conduit, 90mm in general), then
set on the fittings such as the wall conduit and its cover.
2) Bind the connecting pipe and the cables together tightly with binding tapes. Do not let air
in, which will cause water leakage by condensation.
3) Pass the bound connecting pipe through the wall conduit from outside. Be careful of the
pipe allocation to do no damage to the tubing.
3. Connect the pipes.
4. Then, open the stem of stop valves of the outdoor unit to make the refrigerant pipe conne-
cting the indoor unit with the outdoor unit fluently flow.
5. Be sure of no leakage by checking it with leak detector or soap water.
6. Cover the joint of the connecting pipe to the indoor unit with the soundproof/insulating
sheath (fittings), and bind it well with the tapes to prevent leakage.
Expel The Air
A
90+4
_
45+2
_
Amm
f6. 5mm3
f9.53mm
f12.7mm
f16mm
f19mm
8.7
8.3
15.8 15.4
12.4
12.0
19.0
18.6
23.3
22.9
1. Cut a pipe with a pipe cutter.
2. Insert a flare nut into a pipe and flare the pipe.
REFRIGERANT PIPE CONNECTION
Flaring
Outside-
diameter
Max Min
90
lean crude burr
Chart 23
Chart 22
Table 1
9
Too large torque will harm the bellmouthing and
too small will cause leakage. Please determine
the torque according to Table 2.
Chart a
Put the connecting tubing at the proper position,
wrench the nuts with hands then fasten it with
a wrench. (Refer to Chart a)
Caution
Fasten the nut
Table 2
f6.35
1420~1720 Ncm(144~176kgf.cm)
f9.53
f12.7
f166
f199
Tubing Size
Torque
3270~3990 Ncm(333~407kgf.cm)
4950~6030 Ncm(504~616kgf.cm)
6180~7540 Ncm(630~770kgf.cm)
9720~11860 Ncm(990~1210kgf.cm)
10
1
2
When the length of the one-way pipe is under 5m, the quantity of filling fluorine will be
subject to the nameplate.
When the length of the one-way pipe is over 5m, the quantity to be added is as follows:
Capacity 20000 Btu/h: 0.03x(L-5) (Unit: kg)
Capacity 24000 Btu/h: 0.065x(L-5) (Unit: kg)
L: The length of the pipe
Please record the quantity added and store it carefully for future maintenance.
The necessary filling amount of refrigerant
(Please refer to its manual for the way of using manifold valve)
1. Loosen and remove the maintenance nuts of stop valves A and B, and connect the charge
hose of the manifold valve with the maintenance terminator of stop valve A. (Be sure that
stop valves A and B are both closed)
2. Connect the joint of the charge hose with the vacuum pump.
3. Open the Lo-lever of the manifold valve completely.
4. Turn on the vacuum pump. At the beginning of pumping, loosen the maintenance termin-
ator nut of stop valve B a little to check whether the air comes in (the sound of the pump
changes, and the indicator of compound meter turns below zero). Then fasten the nut.
5. When the pumping has finished, close the Lo-lever of the manifold valve completely and
turn off the vacuum pump.
6. Loosen and remove the quadrangle cover of stop valves A and B to open stop valve A and
B completely, then fasten them.
7. Disassemble the charge hose from the repair-mouth of stop valve A, and fasten the nut.
Chart 25
-76 cmHg
Lo-lever
Hi-lever
Charge hose
Charge hose
Vacuum pump
Lo-lever
Manifold valve
Multi-meter
Pressure meter
Expel the air with a vacuum pump
(Refer to Chart 25)
When you have pumped for over 15 minutes, please confirm that the indicator of multi-
5
meter is on -1.0X10 Pa (-76cmHg)
All the stop valves should be opened before test operation. Each air conditioner has two stop
valves of different sizes on the side of the outdoor unit which operate as Lo-stop value, resp-
ectively. (Refer to Chart 26)
Cautions
Chart 26
Flare nut
Stopper
Cap
Valve body
Valve stem
Check all the joints with the leak detector or soap
water. (See Chart 27 as a reference illustration)
NOTE: in the chart
A......Lo-stop valve
B......Hi-stop valve
C,D..Joints of the connecting
pipe to the indoor unit.
Check the Leakage
Chart 27
B A
D
C
Check-point of indoor unit
Check-point of outdoor unit
Be sure to with insulating materials cover all the exposed parts of the flare pipe joints and
refrigerant pipe on the liquid-side and the gas-side. Ensure that there is no gap between
them.
Incomplete insulation may cause water condensation.
Insulation
11
The drain pipe of indoor unit must be heat insulated, or it will condense dew, as well as
the connections of the indoor unit.
Hard PVC binder must be used for pipe connection, and make sure there is no leakage.
With the connection part to the indoor unit, please be noted not to impose pressure on the
side of indoor unit pipes.
When the declivity of the drain pipe downwards is over 1/100, there should not be any win
ding.
The total length of the drain pipe when pulled out traversely shall not exceed 20m, when
the pipe is over long, a prop stand must be installed to prevent winding.
Refer to the figures on the right for the installation of the pipes.
CONNECT THE DRAIN PIPE
1. Install indoor unit drain pipe
The outlet has PTI screw bread, Please use sealing materials and pipe sheath (fitting)
when connecting PVC pipes.
CAUTIONS
1.5m~2m
Insulating
material
Downward declivity
lower than 1/100
Chart 28
VP30
Downward declivity
lower than 1/100
Put as deep as possible
(about 10cm)
Chart 29
Bend
S shape
12
2. Drainage test
Check whether the drainpipe is unhindered
New built house should have this test done before paving the ceiling.
1) Remove the test cover, and stow water of about 2000ml to the water receiver through
the stow tube. (Refer to chart 30)
Chart 30
(Take 36000Btu/h type as example)
Test cover
Water to the receiver
through the stow tube
3. Drain Elbow Installation (Cooling Only Type Without)
Fit the seal into the drain elbow, then insert the drain elbow into the base pan hole of outdoor
o
unit, rotate 90 to securely assemble them. Connect the drain elbow with an extension drain
hose (Locally purchased), in case of the condensate draining off the outdoor unit during the
heating mode. (Refer to Chart 31)
Chart 31
Seal
The base pan hole
of outdoor unit
Drain elbow
Seal
The base pan
hole of outdoor
Drain
elbow
1. The air conditioner should use separate power supply with rated voltage
2. The external power supply to the air conditioner should have ground wiring, which is linked
to the ground wiring of the indoor and outdoor unit.
3. The wiring work should be done by qualified persons according to circuit drawing.
4. A leakage protector should be installed according to the National Standard concerning
electrical appliance.
5. Be sure to locate the power wiring and the signal wring well to avoid cross-disturbance and
their contact with connecting pipe or stop value body.
6. The wiring attached to this air conditioner is 10m long. Be sure to prolong it with wiring of
the same type and proper length if necessary. Generally, do not twist two wiring together
unless the joint is soldered well and covered with insulator tape.
7. Do not turn on the power until you have checked carefully after wiring.
WIRING
Attaching wiring
13
The Specification of Power
(A)
2
(mm )
2
(mm )
380V 3N~, 50Hz
TYPE
POWER
GROUND WIRING
OUTDOOR UNIT POWER
WIRING
STRONG ELECTRIC
SIGNAL
INDOOR/OUTDOOR
CONNECTING
WIRING
CIRCUIT BREAKER/FUSE
INDOOR UNIT POWER WIRING
PHASE
3-PHASE
FREQUENCY AND VOLT
40/25
20/15
1.5
24000-30000 Btu/h
(For R407C heating&cooling)
24000 Btu/h
(For R410A heating&cooling)
220-240V~, 50Hz
1-PHASE
3x2.0
2.0
5x1.5
WEAK ELECTRIC
SIGNAL
5x1.5
5X2.0
5X1.0
2
1x0.5mm
2x0.5
1-core sheild wire
2-core shield wire
40/25
220-240V~, 50Hz
1-PHASE
3x2.5
2.5
3x2.5
3X1.0
2
1x0.5mm
1-core sheild wire
24000 Btu/h
(For R407C,R410A and R22,
heating&cooling)
18000 Btu/h
(For R407C, R410A and R22,
heating&cooling)
(A)
2
(mm )
2
(mm )
TYPE
POWER
GROUND WIRING
OUTDOOR UNIT POWER
WIRING
STRONG ELECTRIC
SIGNAL
INDOOR/OUTDOOR
CONNECTING
WIRING
CIRCUIT BREAKER/FUSE
INDOOR UNIT POWER WIRING
PHASE
FREQUENCY AND VOLT
WEAK ELECTRIC
SIGNAL
220-240V~, 50Hz
380V 3N~, 50Hz
1-PHASE
3-PHASE
40/20
25/16
2.5
1.5
24000-36000 Btu/h
24000-30000 Btu/h
(For R407C cooling only)
24000 Btu/h
(For R410A cooling only)
3x2.5
5x1.5
3x2.5
5x1.5
2x0.5
2-core shield wire
3-PHASE
25/16
2.5
5x2.5
2-core cable wire
2x1.0
36000-48000 Btu/h
(For R407C and R410A,
cooling only)
(For R407C cooling only )
1x1.0
1-core cable wire
(For R410A cooling only )
30000-48000 Btu/h
380V 3N~, 50Hz
5x2.5
1-core cable wire
1x1.5
(A)
2
(mm )
2
(mm )
TYPE
POWER
GROUND WIRING
OUTDOOR UNIT
POWER WIRING
STRONG ELECTRIC
SIGNAL
INDOOR/OUTDOOR
CONNECTING
WIRING
CIRCUIT BREAKER/FUSE
INDOOR UNIT POWER WIRING
PHASE
FREQUENCY AND VOLT
WEAK ELECTRIC
SIGNAL
220-240V~, 50Hz
380V 3N~, 50Hz
1-PHASE
3-PHASE
40/25
20/15
3.5
2.5
30000-36000 Btu/h
36000-48000 Btu/h
(For R407C and R22, heating&cooling)
30000-48000 Btu/h
(For R410A heating&cooling)
3x3.5
5x2.5
3x3.5
5x2.5
1x0.5
1-core shield wire
1-PHASE
40/25
2.0
3x2.0
220-240V~, 50Hz
3-core cable wire
3-core cable wire
3-core cable wire
3-core cable wire
3x1.03x2.5
3x2.5
3x2.5
12000 Btu/h&18000 Btu/h
(For R407C and R410A,
heating&cooling)
(For R407C and R410A ,
cooling only )
9000 Btu/h
(For R407C and R410A,
cooling only )
1-PHASE
220-240V~, 50Hz
40/25
3x2.03x2.0
2.0
(A)
2
(mm )
2
(mm )
TYPE
POWER
GROUND WIRING
OUTDOOR UNIT POWER
WIRING
STRONG ELECTRIC
SIGNAL
INDOOR/OUTDOOR
CONNECTING
WIRING
CIRCUIT BREAKER/FUSE
INDOOR UNIT POWER WIRING
PHASE
1-PHASE
FREQUENCY AND VOLT
28/12
42/22
2.5
220V~, 60Hz
220V~, 60Hz 220V~, 60Hz
1-PHASE
3x2.5
2.0
3x4.0
WEAK ELECTRIC
SIGNAL
3x4.0
2X2.0
2X2.0
42/17
1-PHASE
3x2.5
2.5
3x2.5
3x2.5
2X2.0
(For R22,Cooling Only)
(For R22,Cooling Only)
(For R22,Cooling Only)
24000 Btu/h
36000 Btu/h
48000 Btu/h
Table 3
Caution:
A disconnection device having an air gap contact separation in all active conductors should
be incorporated in the fixed wiring according to the National Wiring Regulation.
14
15
Wiring Chart
Installing wiring chart, refer to link circuit chart for details.
Ground wiring
Ground wiring
Power
Switch/Fuse
(Available locally)
Power wiring (indoor)
Strong elec-signal link wiring
Weak elec-signal link wiring
Indoor
Unit
Outdoor
Unit
Grounding the air conditioner properly in case to affect its
anti-inteference function
Chart 32
CAUTION:The wiring chart of both cooling only type and cooling& heating type in R407C,
series are shown as follows.When wiring, please choose the corresponding chart,or it may cause damage.
R410A and R22
Chart 33
18000 Btu/h type (1-phase)
Air Condition Link-Circuit
For R407C, R410A , heating&coolingand R22
~
16
L
N
1
2 3
INDOOR UNIT
XT2
T3
E
Y/ G
XT1
POWER:
220~240V~ 50Hz
(3-core cable
2
3x2.5mm)
3-core cable
3-core cable
2
3x1.0mm
2
3x2.5mm
1-core sheild wire
2
1x0.5mm
L
N
1
2 3
OUTDOOR UNIT
XT2
T3 E
Y&G
XT3
OUTDOOR UNIT
11
11
11
24000 Btu/h type(1-phase)
Air Condition Link-Circuit
For R407C and R410A,heating&cooling
Air Condition Link-Circuit
24000~30000Btu/h type(3-phase)
For R407C,heating&cooling
Chart 34
Chart 35
24000Btu/h type(3-phase)
For R410A ,heating&cooling
1.0
1
POWER:
220~240V~ 50Hz
(3-core cable
2
3x3.5mm)
3-core cable
3-core cable
2
3x2.5mm
2
3x3.5mm
1-core sheild wire
2
1x0.5mm
L
N
1
2 3
OUTDOOR UNIT
XT4
T3
E
Y&G
XT3
A B
C
N
2
3
4
5
INDOOR UNIT
XT3
T3
E
Y&G
XT1
Y&G
30000~36000Btu/h type(1-phase)
Air Condition Link-Circuit
For R407C and R410A,heating&cooling
Air Condition Link-Circuit
Chart 36
For R407C and R22, heating&cooling
Chart 37
17
36000~48000Btu/h type(3-phase)
30000~48000Btu/h type(3-phase)
For R410A ,heating&cooling)
POWER:
220-240V 50Hz
3-core cable 3X2.0mm
2
3-core cable 3X2.0mm
2
12000Btu/h type(1-phase)
POWER:
220-240V 50Hz
3-core cable 3X2.0mm
2
3-core cable 3X2.0mm
2
9000Btu/h type (1-phase) Air Condition Link-Circuit
Chart 38
Chart 39
For R407C and R410A,cooling only
For R407C and R410A,cooling only
18
OUTDOOR UNIT
INDOOR UNIT
OUTDOOR UNIT
INDOOR UNIT
Air Condition Link-Circuit
POWER:
220-240V 50Hz
3-core cable 3X2.0mm
2
3-core cable 3X2.0mm
2
18000Btu/h type(1-phase)
POWER:
220-240V 50Hz
3-core cable 3X2.5mm
2
3-core cable 3X2.5mm
2
1-core cable 1X1.0mm
2
24000-36000Btu/h type(1-phase)
Chart 41
Chart 40
For R407C and R410A,cooling only
For R407C and R410A,cooling only
19
OUTDOOR UNIT
INDOOR UNIT
INDOOR UNIT
OUTDOOR UNIT
Air Condition Link-Circuit
Air Condition Link-Circuit
T3
E
5V
POWER:
380V 3N 50Hz
5-core cable 5X1.5mm
2
5-core cable 5X1.5
2
2-core cable 2X1.0
2
2-core sheild wire 2X0.5mm
2
24000-30000Btu/h type(3-phase)
POWER:
380V 3N 50Hz
5-core cable 5X2.5mm
2
5-core cable 5X2.5mm
2
1-core cable 1X1.5mm
2
36000-48000Btu/h type(3-phase)
Chart 42
Chart 43
For R407C,cooling only
For R407C,cooling only
20
OUTDOOR UNIT
INDOOR UNIT
INDOOR UNIT
OUTDOOR UNIT
Air Condition Link-Circuit
24000tu/h type(3-phase)
For R410A,cooling only
Air Condition Link-Circuit
30000-48000Btu/h type(3-phase)
For R410A,cooling only
21
Air Condition Link-Circuit
24000 Btu/h type(1-phase)
(For R22 )heating&cooling
Chart 44
Chart 45
Air Conditioner Link-circuit (For R22,Cooling only )
24000-48000Btu/h(1 PHASE)
3-core cable 3 N mm
2-core cable 2 2.0mm
3-core cable 3 N mm
36000Btu/h N=2.5
36000Btu/h N=4.0
NOTE:
220V~ 60Hz
220V~ 60Hz
2
2
2
1. The test operation must be carried out after the entire installation has been completed.
2. Please confirm the following points before the test operation:
3. According to the user s re quirement, in stall th e re mote c ontroller fr ame w here th e re mote
controller s s ignal c an r each th e in door u nit s moothly.
4. Test operation
TEST OPERCETION
The indoor unit and outdoor unit are installed properly.
Tubing and wiring are correctly completed.
The refrigerant pipe system is leakage-checked.
The drainage is unimpeded.
The heating insulation works well.
The ground wiring is connected correctly.
The length of the tubing and the added stow capacity of the refrigerant have been recorded.
The power voltage fits the rated voltage of the air conditioner.
There is no obstacle at the outlet and inlet of the outdoor and indoor and indoor units.
The gas-side and liquid-side stop values are both opened.
The air conditioner is pre-heated by turning on the power.
Set the air conditioner under the mode of COOLING with the remote controller, and
check the following points per the Owner s M anual If th ere is a ny m alfunction, p lease
resolve it through chapter Troubles And Causes in the Owner s Manual .
22
Disassemble the bolts from the maintenance board, and pull it in the direction of the arrow
to remove the protection board.
Notice: Do not scratch the surface during operation.
ATTENTION: Chart 45 is based on one type of outdoor units, which may look different
from your own outdoor unit.
The Outdoor Units
Protection
board
Terminator
Chart 46
1) The indoor unit
a. Whether the switch on the remote controller works well.
b. Whether the buttons on the remote controller works well.
c. Whether the air flow louver moves normally.
d. Whether the room temperature is adjusted well.
e. Whether the indicator lights normally.
f. Whether the temporary buttons works well.
g. Whether the drainage is normal.
h. Whether there is vibration or abnormal noise during operation.
I. Whether the air conditioner heats well in the case of the HEATING/COOLING type.
2) The outdoor unit
a. Whether there is vibration or abnormal noise during operation.
b. Whether the generated wind, noise, or condensed water by the air conditioner have influ-
enced your neighborhood.
c. Whether any of the refrigerant is leaked.
A protection feature prevents the air conditioner from being activated for approximately 3
minutes when it is restarted immediately after shut off .
Cautions
23
… 25


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