Midea Split Duct Air Conditioner Installation Manual
INSTALLATION MANUAL
Split Duct Air Conditioner
Digital Scroll and DC/AC Inverter Commercial Air-conditioner
The Digital Scroll and DC/AC Inverter share the same indoor units.
Thank you very much for purchasing our air conditioner,
Before using your air conditioner, please read this manual carefully and keep it for future reference.
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 improvement.
Indoor Unit
Enough room for installation and maintenance.
The ceiling is horizontal and it can afford the weight of the indoor
unit.
The air inlet and outlet are not impeded and does not affected by
outdoor air too much.
The air flow can reach every part of the room.
The connecting pipe and drainpipe can be easily extracted out.
1. INSTALLATION PRECAUTION
2. INSTALLATION PLACE
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installation manual
NOTE
The installor should illustrate to users how to correctly use
and maintain the air-conditioner, as well as remind users to
carefully read and keep both Installation Manual and Owner's
Manual well.
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There is no direct radiation from heat source.
Outdoor Unit
Enough room for installation and maintenance.
The air inlet and outlet are not impeded and does not affected by
outdoor air too much.
Dry and well ventilated place.
The supporter is flat and horizontal and can afford the weigh of
outdoor unit, without noise and vibration.
The noise and the outlet air will not influence your neighbor.
No combustible gas.
Place convenient for piping and wiring.
Please keep away from the following places, or malfunction may
be caused.(if unavoidable, please consult the professionals):
There is mineral oil like the oil of cutting machine.
There is much salty air. (Near the coast)
There is caustic gas such as sulfuric gas. (Near the hotspring.)
Factory where the voltage fluctuate greatly.
In the car or in the cabin.
In the kitchen or a place full of oil steam.
There is strong electromagnetic wave.
There is combustible gas or materials.
There is much evaporating acid or alkaline gas.
Other special areas.
Notes Before Installation
Select the correct carry-in path.
Move this unit as originally packaged as possible.
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.
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CONTENTS PAGE
INSTALLATION PRECAUTION..................................................................1
INSTALLATION PLACE............................................................................1
ACCESSORIES........................................................................................2
INTDOOR UNIT INSTALLATION ..............................................................2
INSTALLATION SPACE..........................................................................10
REFRIGERANT PIPE.............................................................................10
DUCT DESIGN.......................................................................................11
INSTALL THE CONNECTING PIPE..........................................................13
REFRIGERANT PIPE CONNECTION........................................................14
CONNECT THE DRAIN PIPE...................................................................15
WIRING.................................................................................................16
CONTROL..............................................................................................17
TROUBLE SHOOTING............................................................................18
INSTALL ELECTRIC THROTTLE PART....................................................19
INSTALL BRANCH PIPE.........................................................................19
TEST OPERATION..................................................................................19
DISPOSAL：Do not dispose this product as unsorted municipal
waste. Collection of such waste separately for special treatment
is necessary.
This appliance is not intended for use by persons (including children)
with reduced physical, sensory or mental capabilities, or lack of
esperience and knowledge ,unless they have been given supervision
or instruction concerning use of the appliance by a person responsible
for their safety.
Children should be supervised to ensure that they do not play with
the appliance.
Disconnect the power supply before cleaning and maintenance.
CAUTION
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.
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
at a 32A fusing point.
No other equipment has to be connected with this power
line.
For detailed installation acceptance, please refer to your
contract with the power supplier if restrictions do apply for
products like washing machines, air conditioners or
electrical ovens.
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installation manual
Please refer to the following figure for the distance
measurement between the screw bolts.
Please install with screw bolts.
The handling to the ceiling varies from the constructions, consult
the construction personnels for the specific procedures.
The size of the ceiling to be handled.Do keep the ceiling flat. Consolidate the roof beam for possible vibration.
Cut off the roof beam.
Strengthen the place cut off, and consolidate the roof beam.
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.
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Fig.4-1
Hanging screw bolt s
Ceiling
Timber over the beam
Roof beam
Put the square timber traversely overthe roof beam, then
install the hanging screw bolts. (Refer to
Fig.4-1
)
Wooden construction
New concrete bricks
Fig.4-2
Inlaying or embedding the screw bolts (Refer to
Fig.4-2)
Blade shape insertion Slide insertion
Installing Φ10 Hanging Screw Bolts (4 Bolts)
4. INDOOR UNIT INSTALLATION
Cautions on remote controller installation
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 heatingsource, such as a stove.
Note that the positive and negative poles are in right positions
when loading batteries.
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1. Remote controller.. ..................................1
2. Remote controller holder.........................1
3. Mounting screw
(ST2.9x10-C-H)........................................2
4. Alkaline dry battery(AM4)
..................................................................2
Remote controller & Its Frame
For power details of the air conditioner, refer to the rating
plate of the product.
For any question contact your local dealer.
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Table.3-1
1
1
1
Name of
Accessories
Installation manual
KJR-10B Wire
controller
Pipe insulation material
Adhesive tape for seal
Heat insulation
To connect drain pipe
Q‘ty
4
(This manual)
Outline
Usage
Wire
control the
air-conditioner
Clasp
Network matching wire
1
1
1
Water outlet joint
For drainage
Chucking the joint which
connect the drain hose
and the outlet of indoor
unit
The indoor unit which at
the terminal of
communication system
shouldconnect a
impedance between port
P and port Q
The following are selectable accessories
3. ACCESSORIES
7.1-16.0
20.0-28.0
2
2
3
Rem ote c ontr oller
ho lder
Mou nting screw
Fig.3-1
1
Remote
controller
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installation manual
Overhanging the indoor unit
Overhang the indoor unit onto the hanging screw bolts with
block.
Position the indoor unit in a flat level by using the level indicator,
unless it may cause leakage.
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Screw nut
Overhang part
washer
Hanging
screw bolt
Fig.4-5
Fig.4-8
Fig.4-7
Fig.4-6
Install the main body
Installing the dust proof net and canvas air passage
Open the air-in grill
Anti-clockwise the bolts as indicated in follow figure
sketch.Then pull down the air-in grill.
Take out the air-in grill.
Dismantle the air filter
Clean the air filter (Vacuum cleaner or pure water may be
used to clean the air filter. If the dust accumulation is too
heavy , please use soft brush and mild detergent to clean it
and dry out in cool place).
The air-in side should face down when using water.
(See Fig.4-7)
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①
②
③
④
⑤
⑥
Pipe Connection
The static pressure outside the unit is 200Pa , the length of
the air pipe attached is determined by this parameter.
The positioning of ceiling hole and indoor unit and hanging
screw bolts
Routine method of installation: the size of installation for indoor
unit following Fig.4-9
Please install with Φ10 hanging screw bolts.
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 position the
refrigerant pipes, drain pipes, indoor & outdoor lines and linecontrolled lines to the connection places before.
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①
②
③
For original concrete bricks
Steel roof beam structre
Fig.4-3
Fig.4-4
Steel bar
Embedding screw bolt
(Pipe hanging and embedding screw bolt)
Use embeding screw bold, crock and stick harmness (refer
to
Fig.4-3)
Hanging scr ew b olt
Hanging bolts
Supporting
Install and use directly the supporting angle steel. (refer to
Fig.4-4)
angle steel
The air-in side should face up when using vacuum cleaner.
(See Fig.4-8)
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installation manual
Fig.4-9
Fig.4-10
7.1~11.2KW/h
14~16KW/h
Unit: mm
Unit: mm
The positioning of ceiling hole and indoor unit and hanging screw bolts
routine method of installation: the size of installation for indoor unit following the Fig.4--9 and Fig.4-10
1073
64
31
82
339
82
AIR OUTLET
1300
6-Φ5 HOLES FOR AIR
OUTLET DUCT CONNECTION
AIR OUTLET DUCT FLANGE
400
AIR INTAKE DUCT FLANGE
4-12*25 OBLONG SUSPENTION BOLT HOLES
AIR INTAKE
4-Φ5 HOLES FOR AIR
OUTLET DUCT CONNECTION
400
65
15
37
638
600
17
253
638
14
136
69
90
15
50
800
1148
137
125
11
28
169
691
52
35
136
123
179
15
ELECTRICAL
CONTROL
BOX
PLASTIC COVER
930
135 88
24
46
68
82
82
56
270
420
249
29
72265
75
61
43
189123
642
420
85
856
214
86
800
44
253155
189123
26
255 33
65
REFRIGERANT-PIPE FLANED
CONNECTION Φ16(5/8)
REFRIGERANT-PIPE FLANED
CONNECTION Φ9.52(3/8)
PLASTIC COVER
ELECTRICAL CONTROL BOX
SAFETY DRAIN CONNECTING PIPE
CONNECTING POINT OF
DRAIN PIPE
4-12*25 OBLONG SUSPENTION BOLT HOLES
AIR INTAKE
AIR OUTLET DUCT FLANGE
4-Φ5HOLES FOR AIR
INTAKE DUCT CONNECTION
AIR OUTLET
339
75
61
43
189123
REFRIGERANT-PIPE FLANED
CONNECTION Φ16(5/8)
REFRIGERANT-PIPE FLANED
CONNECTION Φ9.52(3/8)
SAFETY DRAIN CONNECTING PIPE
CONNECTING POINT OF
DRAIN PIPE
690
952
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installation manual
Fig.4-12
Fig.4-11
The method of installation: Adopt following method if the air-conditioning’s size of installationsite is limited and the indoor unit can’t put into the
installtionsite.
7.1~11.2KW/h
Water Tray
Position A
Position B
11-Screw
Safety Drain Tray
1. The whole unit status show as Fig.4-11
2. Remove the all 11
screw
from fixed Safety Drain Tray, and then take off the tray as figure showed in Fig.5-11.
3. Take off the tray along the direction of the arrow show in Fig.4-12
4. Clean the tray and evaporator.
5. Re-install the unit follow the reverse above orders.
1. Please shut down the unit and cut off power cable before maintain the motor.
2. Don’t heavy pull the foam tray, when dismounting; otherwise the foam tray would break.
CAUTION
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