Daitsu DS-9KIDB User manual

Service Manual
Models: ASD9U2I DN
ASD912UI DN

Technical Information
Service Manual
Model '2608,'1
Product Code
Power
supply
Rated Voltage V~ 220-240
Rated Frequency Hz 50
Phases 1
Cooling capacity(max~min) W 5200(2140~4836)
Heating capacity(max~min) W 5400(2579~5510)
Cooling Power Input(max~min) W 1450
Heating Power Input(max~min) W 1550
Cooling Current Input A 6.88
Heating Current Input A 6.43
Rated Power Input W 1780
Rated Current A 7.90
SEER W/W 6.1
SCOP W/W 4.0
Outdoor
Unit
Compressor Trademark ZHUHAI LANDA COMPRESSOR
CO.,LTD
Compressor Model QXA-B141zF030A
Compressor Refrigerant Oil Type RB68EP
Compressor Type Inverter Rotary
L.R.A A 25
Compressor Rated Load Amp (RLA) A 7.2
Compressor Power Input W 1440
Compressor Thermal Protector "1NT11L-6233
KSD115OCHPC115/95U1"
Throttling Method Electron expansion valve
Cooling Operation Ambient Temperature Range OC 18~43
Heating Operation Ambient Temperature Range OC -15~24
Condenser Material Aluminum Fin-copper Tube
Condenser Pipe Diameter mm ĭ
Rows-Fin Gap(mm) mm 2-1.4
Coil length (l) X height (H) X coil width (L) mm 851X38.1X660
Fan Motor Speed (rpm) (H/M/L) rpm 800
Output of Fan Motor W 60
Fan Motor RLA A /
Fan Motor Capacitor ȝ) /
Air Flow Volume of Outdoor Unit m3/h 3200
Fan Type-Piece $[LDOÀRZ
Fan Diameter mm ĭ
Defrosting Method Automatic Defrosting
Climate Type T1
Isolation I
Moisture Protection IP24
Permissible Excessive Operating Pressure for the
Discharge Side MPa 4.3
Permissible Excessive Operating Pressure for the
Suction Side MPa 2.5
Dimension (WXHXD) mm 963X700X396
Dimension of Package (LXWXH) mm 1026X455X735
Dimension of Package(LXWXH) mm 1029X458X750
Net Weight kg 51
Gross Weight kg 55
efrigerant Charge R410A
Refrigerant Charge kg 1.60

Technical Information
Service Manual
The above data is subject to change without notice; please refer to the nameplate of the unit.
Outdoor
Unit
Cross-sectional Area of Power Cable Conductor mm2/ /
Recommended Power Cable(Core) N 3 3
Connection Pipe Connection Method - Flare Connection Flare Connection
Not Additional Gas Connection Pipe Length m 10 10
Connection Pipe Gas Additional Charge g/m 20 20
Outer Diameter of Liquid Pipe(GREE Allocation)
(Metric) mm ĭ ĭ
Outer Diameter of Gas Pipe(GREE Allocation)
(Metric) mm ĭ ĭ
Outer Diameter of Liquid Pipe(GREE Allocation)
(Metric) mm ĭ ĭ
Outer Diameter of Gas Pipe(GREE Allocation)
(Metric) mm ĭ ĭ
Connection Pipe Max. Height Distance(indoor and
indoor) m 5 5
Max. equivalent connection pipe length(outdoor to
last indoor) m 10 10
Connection Pipe Max. Length Distance(total lenght) m 20 20

2Technical Information
Service Manual
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Heating Capacity W 2800 3400
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Service Manual
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Heating Capacity W 2800 3400
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Service Manual
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Heating Capacity W 2800 3400
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Service Manual
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Heating Capacity W 2800 3400
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&RLO/HQJWK/;';: mm ;; ;;
Swing Motor Model MP24AN MP24AN
6RXQG3UHVVXUH/HYHO6++0/6/ dB (A) 40/37/35/28/- 42/37/34/28/-
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Service Manual
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Heating Capacity W 2800 3400
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Swing Motor Model MP24AN MP24AN
6RXQG3UHVVXUH/HYHO6++0/6/ dB (A) 40/37/35/28/- 42/37/34/28/-
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'LPHQVLRQRI3DFNDJH/;:;+ mm ;; ;;
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2Technical Information
Service Manual
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Heating Capacity W 2800 3400
$LU)ORZ9ROXPH6++0/6/ m3K 550/500/430/300/- 550/480/410/290/-
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Swing Motor Model MP24AN MP24AN
6RXQG3UHVVXUH/HYHO6++0/6/ dB (A) 40/37/35/28/- 42/37/34/28/-
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Technical Information
Service Manual
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Swing Motor Model MP24AN MP24AN
6RXQG3UHVVXUH/HYHO6++0/6/ dB (A) 40/37/35/28/- 42/37/34/28/-
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Technical Information
Service Manual
Outline Dimension Diagram
Indoor Unit
Unit:mm
Models W H D W1 W2 W3
09/12K 773 250 185 131 462 180
D
H
W
75
35
Φ55
W3W2
W1
Φ55
35
75

12 Technical Information
Service Manual
3. Outline Dimension Diagram
892 341
396
963
560
700
368
.
Unit:mm
12 Technical Information
Service Manual
3. Outline Dimension Diagram
892 341
396
963
560
700
368
.
Unit:mm
12 Technical Information
Service Manual
3. Outline Dimension Diagram
892 341
396
963
560
700
368
.
Unit:mm

Technical Information
Service Manual
Function and Control
Remote Controller Introduction
Icon Display on Remote Controller
Operation introduction of remote controller
Buttons on Remote Controller
Note:
1
2
5
4
6
7
8
11
12
9
On/Off button
▲/ button
3Fan button
Swing button
X-Fan button
Turbo button
Light button
10
Temp button
I Feel button
Timer button
Sleep button
Mode button
▲
2
5
7
9
4
12
3
1
6
8
10
11
Send signal
Turbo mode
8ćheating function
Set temperature
Set time
TIMER ON /TIMER OFF
Child lock
Up & down swing
Set fan speed
Light function
Temp. display type
:Set temp.
:Outdoor ambient temp.
:Indoor ambient temp.
Sleep mode
Heat mode
Fan mode
Dry mode
Cool mode
Auto mode
Operation mode
I feel function
X-fan mode
health function
ventilation operation
“ ” This is a general remote controller. Some models have this function while some do not. Please refer to the
actual models.
● This is a general use remote controller, it could be used for the air conditioners with multifunction; For some function, wh
ich
the model doesn't have, if press the corresponding button on the remote controller that the unit will keep the original running status.
●After putting through the power, the air conditioner will give out a sound.Operation indictor " " is ON (red indicator). After that,
you can operate the air conditioner by using remote controller.
● Under on status, pressing the button on the remote controller, the signal icon " "on the display of remote controller wi
ll
blink once and the air conditioner will give out a “de” sound, which means the signal has been sent to the air conditioner.
● Under off status, set temperature and clock icon will be displayed on the display of remote controller (If timer on, timer off and
light functions are set, the corresponding icons will be displayed on the display of remote controller at the same time); Under on
status, the display will show the corresponding set function icons
.

T
echnical Information
Service Manual
1. ON/OFF button
2. MODE button
3. F
AN button
6. SLEEP button
5. SWING button
Press this button to turn on the unit. Press this button again to turn off the unit.
Each time you press this button,a mode is selected in a sequence that goes from AUTO, COOL, DRY, FAN, and HEAT *,
as the following:
AUTO COOL DRY FAN HEAT*
* Note: Only for models with heating function.
This button is used for setting Fan Speed in the sequence that goes from AUTO, , to , then back to Auto.
4.▲ / button
▲
▲Press / button to increase/decreaseset temperature.In AUTO mode,set temperature is not adjustable.
▲
Press this button to set up & down swing angle.
Auto
OFF
▲
▲
▲
▲
(horizontal louvers
stops at current position)
no display
Fan
Fan
Swing
Swing
Swing
Swing
Swing
Fan
Fan

Technical Information
Service Manual
7. TEMP button
8. TURBO button
9. I FEEL button
10. Timer button
11. X-FAN button
12. LIGHT button
NOTICE:
Press this button, you can see indoor set temperature, indoor ambient temperature
on indoor unit’s display. The setting
on remote controller is selected circularly as below:
no display
Press this button to activate / deactivate the Turbo function.
Press this button to turn on I FEEL function.
Under ON status, press this button to set timer OFF; Under OFF status, press this button to set timer ON.
Turn on the display's light and press this button again to turn off the display's light.
As for the detailed content of remote controller, please refer to QR code on the cover.
Function introduction for combination buttons
Press " " and " " buttons simultaneously 3s to lock or unlock the keypad. If the remote
pressing any button, blinks three times.
controller is locked, is displayed. In this case,
▲
Combination of " " and " " buttons: About lock
▲
▲
▲
About switch between Fahrenheit and centigradeCombination of "MODE" and " " buttons:
▲
At unit OFF, press "MODE" and " " buttons simultaneously to switch between ćand .
▲
Nixie tube on the remote controller displays
" SE " . Repeat the operation to quit the function.
Combination of "TEMP" and "TIMER" buttons: About Energy-saving Function
Press "TEMP" and "TIMER" simultaneously in COOL mode to start e nergy-saving function.
(46if Fahrenheit is adopted). Repeat the operation to quit the function.
Combination of "TEMP" and "TIMER" buttons:
About 8
ć Heating Function
Press "TEMP" and " TIMER " simultaneously in HEAT mode to start 8 ć Heating Function
Nixie tube on the remote controller displays " "
and a selected temperature of
" 8ć " .
(NOTE:X-FAN is the alternative expression of BLOW for the purpose of understanding.)

T
echnical Information
Service Manual
WIFI Function
Press this button to turn on the unit. Press this button again to turn off the unit. Press "MODE" and "TURBO" button simultaneously to
and "TURBO" buttons simultaneously for
10s, remote controller will send WIFI reset code and then the WIFI function will be turned on.
WIFI function is defaulted ON after energization of the remote controller.
turn on or turn off WIFI function. When WIFI function is turned on, the " " icon will be displayed on remote controller
; Long press "MODE"
● This function is only available for some models.
Replacement of batteries in remote controller
Emergency operation
If remote controller is lost or damaged, please use auxiliary button to turn on or turn off the air conditioner.
When the air conditioner is turned on, it will operate under auto mode.
aux. button
panel
WARNING:
Use insulated object to press the auto button
As shown in the fig.Open panel ,press aux.button to turn on or turn off the air conditioner.
The operation in details are as below:
1. Press the back side of remote controller marked
the cover of battery box along the arrow direction.
2. Replace two 7# (AAA 1.5V) dry batteries, and make sure the position of "+" polar and "-" polar
are correct.
3. Reinstall the cover of battery box.
signal sender battery
Cover of battery box
remove
reinstall

Installation and Maintenance
Service Manual
1. Select the installation location according to the require-
ment of this manual.(See the requirements in installation
part)
2. Handle unit transportation with care; the unit should not
be carried by only one person if it is more than 20kg.
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4. Ware safety belt if the height of working is above 2m.
5. Use equipped components or appointed components dur-
ing installation.
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ishing installation.
Electrical Safety Precautions:
Notes for Installation and Maintenance
Safety Precautions:
Important!
Please read the safety precautions carefully before
installation and maintenance.
The following contents are very important for installation
and maintenance.
Please follow the instructions below.
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instructions.
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electrical codes.
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manual.
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technician according to local regulations and the
instructions given in this manual.
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incorrect operation to prevent electric shock, casualty and
other accidents.
1. Cut off the power supply of air conditioner before
checking and maintenance.
2. The air condition must apply specialized circuit and
prohibit share the same circuit with other appliances.
3. The air conditioner should be installed in suitable
location and ensure the power plug is touchable.
4. Make sure each wiring terminal is connected firmly
during installation and maintenance.
5. Have the unit adequately grounded. The grounding
wire can’t be used for other purposes.
6. Must apply protective accessories such as protective
boards, cable-cross loop and wire clip.
7. The live wire, neutral wire and grounding wire of
power supply must be corresponding to the live wire,
neutral wire and grounding wire of the air conditioner.
8. The power cord and power connection wires can’t be
pressed by hard objects.
9. If power cord or connection wire is broken, it must be
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poisonous gas; Prohibit prolong the connection pipe by
welding.
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any other refrigerant. Never have air remain in the refrigerant
line as it may lead to rupture or other hazards.
3. Mak e su re n o refrige ra nt g as is leaking o ut w hen
installation is completed.
4. If there is refrigerant leakage, please take sufficient
measure to minimize the density of refrigerant.
5. Never touch the refrigerant piping or compressor without
wearing glove to avoid scald or frostbite.
Warnings
Refrigerant Safety Precautions:
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electric shock or injury.
Installation Safety Precautions:
Part ė: Installation and Maintenance
10. If the power cord or connection wire is not long enough,
please get the specialized power cord or connection wire
from the manufacture or distributor. Prohibit prolong the wire
by yourself.
11. For the air conditioner without plug, an air switch must
be installed in the circuit. The air switch should be all-pole
parting and the contact parting distance should be more than
3m.
12. Make sure all wires and pipes are connected properly and
the valves are opened before energizing.
13. Check if there is electric leakage on the unit body. If yes,
please eliminate the electric leakage.
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if it is burnt down; don’t replace it with a cooper wire or
conducting wire.
15. If the unit is to be installed in a humid place, the circuit
breaker must be installed.

Installation and Maintenance
Service Manual
Main Tools for Installation and Maintenance
1. Level meter, measuring tape
4. Electroprobe
7. Electronic leakage detector
10. Pipe pliers, pipe cutter
2. Screw driver
5. Universal meter
8. Vacuum pump
11. Pipe expander, pipe bender
3. Impact drill, drill head, electric drill
6. Torque wrench, open-end wrench, inner
hexagon spanner
9. Pressure meter
12. Soldering appliance, refrigerant container


Installation and Maintenance
Service Manual
Preparation before installation
Prepare tools
Read the requirements
for electric connection
select installation
location
Select indoor unit
installation location
Install wall-mounting
frame, drill wall holes
Connect pipes of indoor
unit and drainage pipe
Connect wires of indoor unit
Connect wires of outdoor unit
Bind up pipes and
hang the indoor unit
Make the bound pipes pass
through the wall hole and then
connect outdoor unit
Neaten the pipes
Vacuum pumping and leakage detection
Check after installation and test operation
Finish installation
Note: this flow is only for reference; please find the more detailed installation steps in this section.
Select outdoor unit
installation location
Install the support of outdoor unit
(select it according to the actual situation)
Install drainage joint of outdoor unit
(only for cooling and heating unit)
Connect pipes of outdoor unit
Start installation
Fix outdoor unit
Installation procedures
Installation Manual

 

At least 250cm
At least 15cm
At least 300cm
Space to the obstruction
Space to the ceiling
Space to the obstruction
At least 15cm
At least 15cm
Space to the wall
Space to the wall
 

At least 250cm
At least 15cm
At least 300cm
Space to the obstruction
Space to the ceiling
Space to the obstruction
At least 15cm
At least 15cm
Space to the wall
Space to the wall
 

At least 250cm
At least 15cm
At least 300cm
Space to the obstruction
Space to the ceiling
Space to the obstruction
At least 15cm
At least 15cm
Space to the wall
Space to the wall

Installation and Maintenance
Service Manual
No. Name No. Name
1,QGRRUXQLW 86HDOLQJJXP
22XWGRRUXQLW 9 Wrapping tape
3 Connection pipe 10 6XSSRUWRIRXWGRRU
XQLW
4 Drainage pipe 11 )L[LQJVFUHZ
5:DOOPRXQWLQJ
frame 12 'UDLQDJHSOXJFRROLQJ
DQGKHDWLQJXQLW
6Connecting
cable(power cord) 13 2ZQHUVPDQXDO
remote controller
7 Wall pipe
1. Safety Precaution
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conditioner.
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Installation Parts-Checking Requirements for electric connection
Installation of Indoor Unit
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2. Grounding Requirement:
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accessible.
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1. Choosing Installation Iocation
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2. Install Wall-mounting Frame
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Selection of Installation Location
1. Basic Requirement:
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2. Indoor Unit:
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appliance.
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3. Outdoor Unit:
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wind.
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installation dimension diagram.
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Note:
Air-conditioner $LUVZLWFKFDSDFLW\
09K 10A
12K 13A

Installation and Maintenance
Service Manual
utlet
pipe
Drain hose
Drain hose
Tape
Outlet pipe
nsulating pip
e
Tor ue wrenc
h
Open-end
wrench
Indoor pipe
Pipe
Union nut
nion nutPipe joint Pipe
+H[QXWGLDPHWHUPP 7LJKWHQLQJWRUTXH1.m)
ĭ 15~20
ĭ 30~40
ĭ 45~55
ĭ 60~65
ĭ 70~75
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eft
Rear left
Right
Rear right
ut off
the hole
Left Right
Drain hose
Insulating pip
e
 e
Φ55mm
ndoor Outdoor
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3. Install Wall-mounting Frame
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5. Connect the Pipe of Indoor Unit
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6. Install Drain Hose
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4. Outlet Pipe
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Note:
Note:
eft
Wall
Φ55mm
Right
Mark in the middle of it evel meter
Rear piping hole
Wall
Space
to the
wall
above
150mm
Space
to the
wall
above
150mm
Φ55mm
Rear piping hole

Installation and Maintenance
Service Manual
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ndoor unit
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Liquid
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Drain hose
Band
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Connection pipe
Indoor power cord
Wiring cove
r
Screw
Panel
Power connection
wire
Cable-cross
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connected by a professional.
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winding.
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7. Connect Wire of Indoor Unit
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8. Bind up Pipe
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9. Hang the Indoor Unit
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Note:
Note:
Note:
ndoor Outdoor
Wall pipe Sealing gum
pper hook
Lower hook of
wall-mounting frame
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N(1) 2 3
blue brownblack yellow-
green
Outdoor unit connection

Installation and Maintenance
Service Manual
N
To the power supply
To unit B
Power cord
To unit A
connecting
cable
connecting
cable
Handle
andle
ront
side plate
L
N
To the power supply To unit B
Power cord
To unit A
connecting
cable
L
L
connecting
cable
1. Remove the handle at the right side plate of the outdoor
unit (one screw).
2. Remove the cable clamp, connect the power connection
cable with the terminal at the row of connection and fix the
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the indoor unit. terminal of line bank. Wiring should meet that of
indoor unit.
3. Fix power connection wire by wire clamp.
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5. Install the handle.
Including an air switch with suitable capacity,please note
the following table. Air switch should be included magnet
buckle and heating buckle function, it can protect the
circuit-short and overload. (Caution: please do not use the
fuse only for protect the circuit)
Wrong wire connection may cause malfunction of
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some space.
Electrical Connections
..
An all-pole disconnection switch having a contact
separation of at least 3mm in all pole should be connected
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The connection pipes and the connectiong wirings
of the unit A and unit B must be corresponding to
each other respective.
The appliance shall be installed in accordance with
national wiring regulations.
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diagram of the appliance and may not correspond to the
appearance of the units that have been purchased.
.
.
Air-conditioner Air switch capacity
. 10A
. 10A

Installation and Maintenance
Service Manual
Do not install the outdoor unit in pits or air vents
Installing the pipes
Use suitable connecting pipes and equipment for
the refrigerant R410A.
Models(m) 14/18K 21/24K 28K
Max. connection pipe length 20 60 70
Max. connection pipe
length(Simpleone indoor unit) 10 20 20
The sum of the capacity codes of the indoor units should be among 50%-
150% of that of the outdoor unit.
Wrap all the refrigerant pipes and joints.
Caution: Installation Must be Performed in Accordance with the NEC/
CEC by Authorized Personnel Only.
Humid air left inside the refrigerant circuit can cause compressor
malfunction. After having connected the indoor and outdoor units, bleed
the air and humidity from the refrigerant circuit using a vacuum pump.
(1) Unscrew and remove the caps from the 2-way and 3-way valves.
(2) Unscrew and remove the cap from the service valve.
(3) Connect the vacuum pump hose to the service valve.
(4) Operate the vacuum pump for 10-15 minutes until an absolute vacuum
of 10 mm Hg has been reached.
(5) With the vacuum pump still in operation, close the low-pressure knob
on the vacuum pump coupling. Stop the vacuum pump.
(6) Open the 2-way valve by 1/4 turn and then close it after 10 seconds.
Check all the joints for leaks using liquid soap or an electronic leak device.
(7) Turn the body of the 2-way and 3-way valves. Disconnect
the vacuum pump hose.
(8) Replace and tighten all the caps on the valves.
Diameter (mm) Twisting moment (N.m)
ĭ 15-20
ĭ 35-40
ĭ 60-65
ĭ 45-50
ĭ 70-75
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to install 1/2"indoor unit so that it is need to use a “pipe joint subassembly”
(Code 06643008) to make a conversion joint with outdoor unit gas valve
and connection pipe, as show in following.
Installing the Outdoor Unit
se bolts to secure the unit to a flat, solid floor.
When mounting the unit on a wall or the roof, make
sure the support is firmly secured so that it cannot
move in the event of intense vibrations or a strong
wind.
Do not install the outdoor unit in pits or air vents
se suitable connecting pipes and equipment for the
refrigerant R410A.
Wrap all the refrigerant pipes and joints.
Tighten the connections using two wrenches working
in opposite directions.
umid air left inside the refrigerant circuit can cause com-
pressor malfunction. After having connected the indoor
and outdoor units, bleed the air and humidity from the
refrigerant circuit using a vacuum pump.
1.Unscrew and remove the caps from the 2-way and 3-
way valves.
2.Unscrew and remove the cap from the service valve.
3.Connect the vacuum pump hose to the service valve.
4.Operate the vacuum pump for 10-15 minutes until an
absolute vacuum of 10 mm g has been reached.
5.With the vacuum pump still in operation, close the
low-pressure knob on the vacuum pump coupling. Stop
the vacuum pump.
6.Open the 2-way valve by 1/4 turn and then close it
after 10 seconds . Check all the joints for leaks using
liquid soap or an electronic leak device.
7.Turn the body of the 2-way and 3-way valves. Discon-
nect the vacuum pump hose.
8.Replace and tighten all the caps on the valves.
INDOOR
UNIT
Install the drain fitting and the drain hose(for
model with heat pump only)
Condensation is produced and flows from the outdoor unit
when the appliance is operating in the heating mode. In order
not to disturb neighbours and to respect the environment,
install a drain fitting and a drain hose to channel the conden-
sate water. Install the drain fitting and rubber washer on the
outdoor unit chassis and connect a drain hose to it as shown
in the figure.
Vacuum pump
Vacuum pump
Vacuum pump
Connect to the
indoor unit
Twisting moment (N.m)
Diameter (mm)
14-18N m(140-180kgf.cm)
18K unit need to be installed the indoor unit
conversion joint
Caution: Installation Must be Performed in Accordance
with the NEC/CEC by Authorized Personnel Only.
(8) Secure
8K Model:
Installing the pipes
36.35( /4”)
39.52(3/8”)
3 2.7( /2”)
2-way valve
Refrigerant fluid direction of flow
3-way valve
Service
inlet
(8) Secure Valve cap
Valve cap
(2) Turn
(2) Turn
(2) Turn (8) Secure
(7) Turn to open fully
(7) Turn to open fully
(6) Open by /4 turn
Models(m) 4/ 8K GWHD(24)NK3DO 24/28K
Max. connection
pipe length 20 20 70
Max. connection
pipe length(Simple
one indoor unit) 0 0 20
The refrigerant pipes must not exceed the maximum
heights 0m.
．
34-42N m(340-420kgf.cm)
．
49-6 N m(490-6 0kgf.cm)
．
conversion joint
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heat pump only)
Condensation is produced and flows from the outdoor unit
when the appliance is operating in the heating mode. In order
not to disturb neighbours and to respect the environment,
install a drain fitting and a drain hose to channel the
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on the outdoor unit chassis and connect a drain hose to it as
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When mounting the unit on a wall or the roof, make sure the
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intense vibrations or a strong wind.
The refrigerant pipes must not exceed the maximum heights
m(14K&18K &24Kx2)or 10m(24Kx3&28K).
Tighten the connections using two wrenches working in opposite
directions.by Authorized Personnel Only.

Installation and Maintenance
Service Manual
Installation Dimension Diagram
Use suitable instruments for the refrigerant R410A.
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Do not use mineral oils to clean the unit.
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Contact service center before installation to avoid the malfunction due to unprofessional installation.
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Ensure that the recommende dspace is left around the appliance.
0cm
Space to the cover
or above
0cm
50cm
(Air inlet side)
or above
or above
Space to the wall
0cm
pace to the cover
or above
30cm
50cm
(Air inlet side)
or above
or above
pace to the wall
30cm
pace to the cover
or above
30cm
50cm
200cm
(Air inlet side)
or above
or above
pace to the wall
(Air outlet side)
or above
or more
pace to the cover
50cm
or more
pace to the cover
50cm
or more
pace to the cover
50cm
200cm
(Air outlet side)
or above
200cm
(Air outlet side)
or above
14K
24/28K18/21K