Samsung MXJ-YA1509 Series User manual

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ContentsContents
1. General installation Guide1. General installation Guide
1. Intro1. Introduction duction ······································································· ······································································· 44
2. Pr2. Product oduct OutlineOutline·································································· ·································································· 55
3. DVM des3. DVM design proign process cess ························································· ························································· 77
4. 4. InstalInstallation process & Guideline lation process & Guideline ········································· ········································· 88
5. Installation Proc5. Installation Procedure edure ························································ ························································ 99
2. Preparation for installation2. Preparation for installation
1. Checkin1. Checking the Installg the Installation Site ation Site ·········································· ·········································· 2525
2. Produ2. Product handct handling ling ····························································· ····························································· 2929
3. Materia3. Materials and Tols and Tools ols ························································· ························································· 3939
3. Guideline for each installation process3. Guideline for each installation process
1. Sleeve 1. Sleeve work work ····································································· ····································································· 4747
2. Insert work and sup2. Insert work and support work port work ·········································· ·········································· 4949
3. Concea3. Concealed Box woled Box work rk ······················································· ······················································· 5151
4. Refriger4. Refrigerant pipe coant pipe constructinstruction on ·········································· ·········································· 5252
5. Refrigerant pipe flushin5. Refrigerant pipe flushing g ·················································· ·················································· 7171
6. Drainpipe Work 6. Drainpipe Work ································································ ································································ 7373
7. Insu7. Insulation lation work work ································································ ································································ 8282
8. Gas leak test 8. Gas leak test ···································································· ···································································· 8484
9. Vacuum drying 9. Vacuum drying ································································· ································································· 8686
10. Ch10. Charging arging RefrigeRefrigerant······················································ rant······················································ 8888

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4. Indoor Units installation4. Indoor Units installation
1. Ceilin1. Ceiling g CassCassette ette TypType e (1WA(1WAY/2WY/2WAY/AY/4WAY4WAY) ) ··············································· · 9090
2. Duct 2. Duct Type (Type (Slim/MSSlim/MSP)······················································ P)······················································ 9696
3. 3. Ceiling Ceiling ··········································································· ··········································································· 106106
4. Con4. Console sole ········································································· ········································································· 109109
5. Wall-m5. Wall-mounted Tounted Type ype ······················································· ······················································· 111111
5. Outdoor Units 5. Outdoor Units installationinstallation
1. 1. Safety Safety InformInformation ation ························································ ························································ 114114
2. 2. PreparPreparing ing the the InstallaInstallation tion ················································ ················································ 115115
3. Selecting Proper Location for Installation ······················· 1173. Selecting Proper Location for Installation ······················· 117
4. 4. Space RequiremeSpace Requirements ······················································ 118nts ······················································ 118
5. 5. Base Mount Base Mount ConstruConstruction ction ··············································· ··············································· 120120
6. 6. Drain Pipe Drain Pipe InstallInstallation ation ····················································· ····················································· 123123
7. 7. ExhausExhaust t Duct Installation Duct Installation ················································ ················································ 124124
8. Installing the Outdoor Unit Harsh Environments ············· 1258. Installing the Outdoor Unit Harsh Environments ············· 125
9. 9. LouveLouver r InstallInstallation ·························································· 127ation ·························································· 127
10. 10. ElectriElectrical cal Wiring Work Wiring Work ··················································· ··················································· 128128
11. 11. Pump-DPump-Down own OperatOperation ion ················································· ················································· 133133
12. Pump-Out Procedure ··················································· 13412. Pump-Out Procedure ··················································· 134
13. Setting the Option Switches & Function Keys ·············· 13513. Setting the Option Switches & Function Keys ·············· 135
14. Completing 14. Completing the Installation the Installation and Commissioning and Commissioning ················· 136····· 136

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11. General installation Guide. General installation Guide
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1. Introduction1. Introduction
The The diagram diagram below below illustrates illustrates overall overall configuration configuration of of the the refrigerant refrigerant piping piping for for installing installing a a system system airair
conditioner. Multiple outdoor units with variable capacity control are installed in a location with goodconditioner. Multiple outdoor units with variable capacity control are installed in a location with good
air ventilation for cooling and heating and a vibration-proof rubber mat is installed in the bottom of theair ventilation for cooling and heating and a vibration-proof rubber mat is installed in the bottom of the
outdoor unit to prevent vibration from being transferred to the building. The refrigerant pipe and theoutdoor unit to prevent vibration from being transferred to the building. The refrigerant pipe and the
communication cable from the outdoor unit penetrate the outer wall of the building before reachingcommunication cable from the outdoor unit penetrate the outer wall of the building before reaching
the inner area of the building. When penetrating the outer wall of the building, sleeves should be usedthe inner area of the building. When penetrating the outer wall of the building, sleeves should be used
to prevent air leakage and support water proofing. The refrigerant pipes and electrical wiring works forto prevent air leakage and support water proofing. The refrigerant pipes and electrical wiring works for
the indoor unit should be finished by fixing the indoor unit in a level or perpendicular location. In thethe indoor unit should be finished by fixing the indoor unit in a level or perpendicular location. In the
refrigerant pipe works, you should pay attention to installation of insulation materials as well as branchrefrigerant pipe works, you should pay attention to installation of insulation materials as well as branch
pipespipes and its slopeand its slope. You should also make efforts to remove all alien substances from the inner area of. You should also make efforts to remove all alien substances from the inner area of
the pipe.the pipe.
ToTo applyapplyan air conditioning system for the building, you must first design the overall air conditioningan air conditioning system for the building, you must first design the overall air conditioning
system and select components such assystem and select components such as outdoor unitsoutdoor unitsand indoor units and refer to the constructionand indoor units and refer to the construction
design diagram in order to prepare a diagram for installing an air conditioning system. System airdesign diagram in order to prepare a diagram for installing an air conditioning system. System air
conditioner installation vendors should refer to the provided construction diagram when preparing aconditioner installation vendors should refer to the provided construction diagram when preparing a
diagram for installation and purchasing diagram for installation and purchasing components.components.

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2. Product Outline2. Product Outline
2-1. Outdoor Units2-1. Outdoor Units
Samsung provides you the perfectly optimized cooling and heating system with its latest and mostSamsung provides you the perfectly optimized cooling and heating system with its latest and most
innovative technology. World’s largest capacity will provide you the powerful performance all year long,innovative technology. World’s largest capacity will provide you the powerful performance all year long,
no matter no matter how hot how hot or how or how cold. cold. Furthermore, SamsungFurthermore, Samsung’s outdoor ’s outdoor units barely make units barely make any noise oany noise orr
vibration during operations, and they are perfect for residential and commercial buildings, Always stayvibration during operations, and they are perfect for residential and commercial buildings, Always stay
refreshed with Samsung system air conditioner.refreshed with Samsung system air conditioner.
1)1) DVM PLUS III, DVM PLUS III DVM PLUS III, DVM PLUS III HRHR
DVM PLUS III, DVM PLUS III HR is DVM PLUS III, DVM PLUS III HR is a module multi-system air a module multi-system air conditioner that has the world'sconditioner that has the world's
largest capacity(8~64HP) with the alargest capacity(8~64HP) with the application of a pplication of a DVI (Digital Vapor Injection) compressorDVI (Digital Vapor Injection) compressor, and, and
can connect up to a can connect up to a maximum of 64 indoor units.maximum of 64 indoor units.
••The The worworld's ld's larlargesgest ct capaapacitcityy..
- Compact combinations (8~64 hp) : combinations with the models requiring the smallest- Compact combinations (8~64 hp) : combinations with the models requiring the smallest
installation spaceinstallation space
- High combinations (16~56 hp) : - High combinations (16~56 hp) : combinations with highly efficient modelscombinations with highly efficient models
••The The highighest hest COP COP levlevels els in in the the indindustustryry
••The The smasmallellest st insinstaltallatlation ion spaspace ce requrequiremirement ent in tin the he worlworldd
••The The highhighest est heaheatinting cg capaapacitcity any and d COP COP in lin low ow temtempeperatrature ure condconditiition on (-1(-10°c0°c))
•• Possible to connect up to 64 indoor unitsPossible to connect up to 64 indoor units
•• Digital unit moduleDigital unit module

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2-2. Indoor Units2-2. Indoor Units
Samsung indoor units are not only equipped with high performing functions, but they are alsoSamsung indoor units are not only equipped with high performing functions, but they are also
beautifully designed to enlighten your space. Different types of indoor units will be more than enoughbeautifully designed to enlighten your space. Different types of indoor units will be more than enough
to satisfy needs of your space and yourself. Only Samsung’s beautiful indoor units will provide you theto satisfy needs of your space and yourself. Only Samsung’s beautiful indoor units will provide you the
conditioned air that you can enjoy.conditioned air that you can enjoy.

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3. DVM design process3. DVM design process
DVM is a variable multi air conditioner that modulates its performance by different conditions such asDVM is a variable multi air conditioner that modulates its performance by different conditions such as
design temperature, indoor and outdoor unit combination rates, heating operation rates, piping length,design temperature, indoor and outdoor unit combination rates, heating operation rates, piping length,
and level difference.and level difference.It is important to select the appropriate design condition to the load of each room.It is important to select the appropriate design condition to the load of each room.
••Design temperatureDesign temperature
••Calculate cooling and heating loadsCalculate cooling and heating loads
••Power supply, piping length and level differencePower supply, piping length and level difference
•• Consider design temperature conditions to select Consider design temperature conditions to select
larger indoor types than actual load.larger indoor types than actual load.
•• Determine outdoor units by the sum of the capacityDetermine outdoor units by the sum of the capacity
of preliminary selected indoor units: At this time,of preliminary selected indoor units: At this time,
decide how much combination ratio to permit.decide how much combination ratio to permit.
•• Calculate actual capacity ofCalculate actual capacity of
outdoor units consideringoutdoor units considering
design temperature, indoor anddesign temperature, indoor and
outdoor unit combination ratio,outdoor unit combination ratio,
piping length, level difference,piping length, level difference,
heating operation rates, etc.heating operation rates, etc.
•• Calculate actual capacity of each indoor Calculate actual capacity of each indoor
unit based on the calculated outdoorunit based on the calculated outdoor
capacity.capacity.
••If Indoor If Indoor units’ actual capacity is lower than the load,units’ actual capacity is lower than the load,
reselect ones with a larger capacity. Depending onreselect ones with a larger capacity. Depending on
designers’ own designers’ own discretion.discretion.
•• If there is no indoor unit with a larger capacity, add If there is no indoor unit with a larger capacity, add
another indoor unit.another indoor unit.

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4. Installation process & Guideline4. Installation process & Guideline
Striking a balance between System Striking a balance between System Installation & General Construction Work.Installation & General Construction Work.

.. 
NoteNote:
:1.1. Work scopeWork scopeshould be thoroughly clarified. (This applies particularly to work relating toshould be thoroughly clarified. (This applies particularly to work relating to
the connection of control wiring, fitting of remote controller and cethe connection of control wiring, fitting of remote controller and central control panel,ntral control panel,
boundary work on areas such as cboundary work on areas such as connection of drain piping and humidification supplyonnection of drain piping and humidification supply
piping, inspection and foundation)piping, inspection and foundation)
2. Keep a constant check 2. Keep a constant check on the progress of the construction work to avoid deviationson the progress of the construction work to avoid deviations
from the air conditioning work schedule.from the air conditioning work schedule.
3. For sleeve and i3. For sleeve and insert work the positions of ceiling girders nsert work the positions of ceiling girders should be confirmed andshould be confirmed and
sleeve and insert requirement, hole diameters, positioning and numbers decided. Thissleeve and insert requirement, hole diameters, positioning and numbers decided. This
is particularly important in the case of sleeves for drain piping.is particularly important in the case of sleeves for drain piping.

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5. Installation Procedure5. Installation Procedure
5-1. Procedure5-1. Procedure
NoteNote The above The above list indilist indicates the ordecates the order in wr in which the hich the individual individual work opework operations are nrations are normallyormally
carried out but this order may carried out but this order may be varied according to the local conditions.be varied according to the local conditions.

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5-2. Step by Step Installation Procedure5-2. Step by Step Installation Procedure
1)1)
 Refrigerant pipingRefrigerant piping
(1) Pre-estimation with the drawing(1) Pre-estimation with the drawing
PicturePicture
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Work Work Description Description Things Things to to do do Check Check pointpoint
Measure the actualMeasure the actual
constructionconstruction
drawing.drawing.
Check what and howCheck what and how
much you prepare formuch you prepare for
installation.installation.
Fully familiarize with the diagramFully familiarize with the diagram
to prevent problems whileto prevent problems while
working on the site.working on the site.
(2) Straightening the refrigerant pipe(2) Straightening the refrigerant pipe
PicturePicture
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Work Work Description Description Things Things to to do do Check Check pointpoint
Straighten theStraighten the
refrigerant pipe.refrigerant pipe.
Considering the job siteConsidering the job site
condition, measure thecondition, measure the
accurate length to cut.accurate length to cut.
- Remove sharp object or- Remove sharp object or
something that can causesomething that can cause
deformation of the pipe indeformation of the pipe in
advance.advance.
- Do not apply excessive force- Do not apply excessive force
for straightening the pipe.for straightening the pipe.
(3) Marking(3) Marking
PicturePicture
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Work Work Description Description Things Things to to do do Check Check pointpoint
Accurate markingAccurate marking
of the length.of the length.
Consider the diagram andConsider the diagram and
the actual site conditionthe actual site condition
when marking it.when marking it.
Compare the marked area withCompare the marked area with
the diagram accurately.the diagram accurately.
(4) Cutter (cutting)(4) Cutter (cutting)
PicturePicture
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Work Work Description Description Things Things to to do do Check Check pointpoint
Use a copperUse a copper
cutter to cut it.cutter to cut it.
- Use proper Size & Quality- Use proper Size & Quality
Cutting toolCutting tool
- Do not apply excessive- Do not apply excessive
force.force.
(Prevent deformation of the(Prevent deformation of the
pipe.)pipe.)
While cutting the copper pipe,While cutting the copper pipe,
check for deformation of thecheck for deformation of the
pipe.pipe.

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(5) Pipe cutting(5) Pipe cutting
PicturePicture

Work Work Description Description Things Things to to do do Check Check pointpoint
Cut the pipe.Cut the pipe.
Prevent foreignPrevent foreign
substances fromsubstances from
entering the pipe.entering the pipe.
-- Check if foreign substancesCheck if foreign substances
are removed from the pipe.are removed from the pipe.
(If foreign substances are(If foreign substances are
found, it can causefound, it can cause
performance degradation andperformance degradation and
malfunctions.)malfunctions.)
(6) Removing burr(6) Removing burr
PicturePicture

Work Work Description Description Things Things to to do do Check Check pointpoint
Removing burrRemoving burr
- Remove burrs so that- Remove burrs so that
the cut side of the pipethe cut side of the pipe
is smooth.is smooth.
- Remove burr in a- Remove burr in a
downward direction todownward direction to
keep foreignkeep foreign
substances fromsubstances from
entering the pipe.entering the pipe.
Check for burr residuals in theCheck for burr residuals in the
pipe.pipe.
(7) Taping(7) Taping
PicturePicture

Work Work Description Description Things Things to to do do Check Check pointpoint
TapingTaping
Tape the pipe to keepTape the pipe to keep
foreign substances fromforeign substances from
entering the pipe.entering the pipe.
Check if taping is done firmly.Check if taping is done firmly.
(8) Ready for piping works(8) Ready for piping works
PicturePicture

Work Work Description Description Things Things to to do do Check Check pointpoint
Work completed.Work completed. Store it in a safe place toStore it in a safe place to
prevent damage.prevent damage.
Store the pipe in a safe placeStore the pipe in a safe place
not affected by other works.not affected by other works.
Remove all other substancesRemove all other substances
from surroundings.from surroundings.

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(9) Anchor works(9) Anchor works
PicturePicture

Work Work Description Description Things Things to to do do Check Check pointpoint
Refer to theRefer to the
approvedapproved
constructionconstruction
diagram whendiagram when
marking the indoormarking the indoor
unit installationunit installation
locations and makelocations and make
a hole for anchora hole for anchor
installation.installation.
Familiarize with theFamiliarize with the
construction diagram.construction diagram.
- Accurate location- Accurate location
markingmarking
- Prevent scattering.- Prevent scattering.
- Use a reel wire support.- Use a reel wire support.
- Safeguard against falling- Safeguard against falling
accidents.accidents.
(10) Full threads bolt and C-channel (10) Full threads bolt and C-channel fixingfixing
PicturePicture

Work Work Description Description Things Things to to do do Check Check pointpoint
Fixing the fullFixing the full
threads bolt andthreads bolt and
the c-channel.the c-channel.
Prevent twisting of thePrevent twisting of the
pipe.pipe.
Do not damage theDo not damage the
insulation materials.insulation materials.
Check for pipe damage.Check for pipe damage.
Check interferences.Check interferences.
Obey the separation of theObey the separation of the
channels. (1.2 to 1.5 meter)channels. (1.2 to 1.5 meter)
2) Refrigerant pipe construction (branch pipe works)2) Refrigerant pipe construction (branch pipe works)
(1) Preparing a branch pipe(1) Preparing a branch pipe
PicturePicture

Work Work Description Description Things Things to to do do Check Check pointpoint
Preparing aPreparing a
branch pipe.branch pipe. Prepare a branch pipe.Prepare a branch pipe.
Check for damage in theCheck for damage in the
branch pipes.branch pipes.
(2) Connecting the branch pipes(2) Connecting the branch pipes
PicturePicture

Work Work Description Description Things Things to to do do Check Check pointpoint
Connecting theConnecting the
branch pipes.branch pipes.
When making aWhen making a
connection, do not applyconnection, do not apply
excessive force that mightexcessive force that might
damage the pipe.damage the pipe.
Check the connection.Check the connection.
Use Branch kit for the pipeUse Branch kit for the pipe
connection.connection.
(Damage and exterior tests(Damage and exterior tests
on the branch pipes.)on the branch pipes.)

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(3) Brazing the branch pipes(3) Brazing the branch pipes
PicturePicture

Work Work Description Description Things Things to to do do Check Check pointpoint
Brazing theBrazing the
branch pipe.branch pipe.
- Nitrogen substituted- Nitrogen substituted
brazing works on thebrazing works on the
branch pipe to preventbranch pipe to prevent
generation of foreigngeneration of foreign
substance/oxidesubstance/oxide
- Check for adequate- Check for adequate
pressure (0.01 topressure (0.01 to
0.1kg/cm0.1kg/cm22
))
Check the pressure and entryCheck the pressure and entry
of nitrogen.of nitrogen.
3) Refrigerant pipe works (air tightness works)3) Refrigerant pipe works (air tightness works)
(1) Entry of nitrogen(1) Entry of nitrogen
PicturePicture

Work Work Description Description Things Things to to do do Check Check pointpoint
Entry of nitrogen.Entry of nitrogen.
Inject nitrogen toInject nitrogen to
the pipe to testthe pipe to test
leakages.leakages.
Inject nitrogen at theInject nitrogen at the
proper pressure.proper pressure.
11stst: 10kg/cm: 10kg/cm22
22ndnd: 41kg/cm: 41kg/cm22
In the presence of theIn the presence of the
manager, check air tightness.manager, check air tightness.
Fill out the check forms.Fill out the check forms.
(2) Finishing the end of the pipe(2) Finishing the end of the pipe
PicturePicture

Work DescriptionWork Description

Things Things to to do do Check Check pointpoint
Wrap the end ofWrap the end of
the pipe beforethe pipe before
connecting theconnecting the
equipment, soequipment, so
that nitrogenthat nitrogen
won’t escape.won’t escape.
Sufficient brazing on theSufficient brazing on the
end of the pipe.end of the pipe. Visual inspectionVisual inspection
(3) Pressure gauge attached(3) Pressure gauge attached
PicturePicture

Work Work Description Description Things Things to to do do Check Check pointpoint
Mark the 1Mark the 1ststandand
22ndndpressure topressure to
see if it leaks.see if it leaks.
11stst: 10kg/cm: 10kg/cm22
22ndnd: 28kg/cm: 28kg/cm22look at thelook at the
scale.scale.
Check for leakages.Check for leakages.

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(4) Insulation of the branch pipe(4) Insulation of the branch pipe
PicturePicture

Work Work Description Description Things Things to to do do Check Check pointpoint
Insulate the pipe ifInsulate the pipe if
there is nothere is no
nitrogen leakage.nitrogen leakage. Check Check for for leakages. leakages. Check Check for for leakages.leakages.
(5) Insulation of the branch pipe(5) Insulation of the branch pipe
PicturePicture

Work Work Description Description Things Things to to do do Check Check pointpoint
Insulation of theInsulation of the
branch pipebranch pipe
Dense fill up to preventDense fill up to prevent
missing insulation materialmissing insulation material
and swelling.and swelling.
Check the insulationCheck the insulation
condition.condition.
(6) Slope adjustment of the branch pipe(6) Slope adjustment of the branch pipe
PicturePicture

Work Work Description Description Things Things to to do do Check Check pointpoint
Check theCheck the
levelness of thelevelness of the
pipe.pipe.
Do not exceed theDo not exceed the
levelness limit of 15levelness limit of 15
degrees.degrees.
Check the levelness condition.Check the levelness condition.
4) Drainpipe construction4) Drainpipe construction
(1) Inserting insulation materials(1) Inserting insulation materials
PicturePicture

Work Work Description Description Things Things to to do do Check Check pointpoint
Insert theInsert the
insulationinsulation
materials into thematerials into the
PVC pipe.PVC pipe.
Do not damage theDo not damage the
insulation materials.insulation materials.
- Check for damage in the- Check for damage in the
insulation materials.insulation materials.
- Check for damage in the- Check for damage in the
pipe.pipe.



Installation guideInstallation guide
1515
(2) Mounting the drainpipe(2) Mounting the drainpipe
PicturePicture

Work Work Description Description Things Things to to do do Check Check pointpoint
Fix the drainpipeFix the drainpipe
in the channel orin the channel or
hanger.hanger.
A group of two personA group of two person
should work on the pipeshould work on the pipe
(not using excessive(not using excessive
force).force).
Check the channel/hangerCheck the channel/hanger
fixing intervals (1.5m orfixing intervals (1.5m or
less)less)
(3) Checking the drain slope(3) Checking the drain slope
PicturePicture

Work Work Description Description Things Things to to do do Check Check pointpoint
Checking theChecking the
gradients.gradients.
Obtain good slope toObtain good slope to
facilitate smoothfacilitate smooth
drainage of thedrainage of the
condensed water.condensed water.
(1/100)(1/100)
Check the slope.Check the slope.
(4) Pipe connection(4) Pipe connection
PicturePicture

Work Work Description Description Things Things to to do do Check Check pointpoint
Connect theConnect the
pipes, checkingpipes, checking
thoroughly if therethoroughly if there
is leakage on itis leakage on it
Apply sufficient bond toApply sufficient bond to
the pipe.the pipe.
- Do not install in the- Do not install in the
winter season.winter season.
(5) Pipe connection and socket works on the i(5) Pipe connection and socket works on the indoor unit sidendoor unit side
PicturePicture

Work Work Description Description Things Things to to do do Check Check pointpoint
Use the drainpipeUse the drainpipe
components forcomponents for
the indoor unitthe indoor unit
side.side.
Check the height andCheck the height and
maintain the drain slopemaintain the drain slope
while do the drain pipewhile do the drain pipe
workwork
Check the height.Check the height.


11. General installation Guide. General installation Guide
1616
(6) Pipe work on the indoor unit side(6) Pipe work on the indoor unit side
PicturePicture

Work Work Description Description Things Things to to do do Check Check pointpoint
Pipe work on thePipe work on the
indoor unit side.indoor unit side. Secure Secure a a slope slope (1/100) (1/100) Check Check the the slope.slope.
(7) Air vent installation(7) Air vent installation
PicturePicture

Work Work Description Description Things Things to to do do Check Check pointpoint
Install a vent toInstall a vent to
facilitate smoothfacilitate smooth
drainage of water.drainage of water.
Install one unit at theInstall one unit at the
end of the equipment.end of the equipment. Check vents installation.Check vents installation.
(8) Water containing test(8) Water containing test
PicturePicture

Work Work Description Description Things Things to to do do Check Check pointpoint
Pour the water inPour the water in
the highest point tothe highest point to
test it.test it.
Check the pipe slope.Check the pipe slope.
If there is a problem,If there is a problem,
readjust the slope.readjust the slope.
Check the slope and testCheck the slope and test
water leakage.water leakage.
(9) Connecting the vertical pipe(9) Connecting the vertical pipe
PicturePicture

Work Work Description Description Things Things to to do do Check Check pointpoint
If there is noIf there is no
problem in theproblem in the
above items,above items,
connect the verticalconnect the vertical
pipe.pipe.
- Secure bonding- Secure bonding
works.works.
- Insulation works- Insulation works
Must check the pipe pit’sMust check the pipe pit’s
inner area before finishinginner area before finishing
the wall.the wall.



Installation guideInstallation guide
1717
5) Power communication works5) Power communication works
(1) Power cable pipe works(1) Power cable pipe works
PicturePicture

Work Work Description Description Things Things to to do do Check Check pointpoint
Place a powerPlace a power
cable pipe in thecable pipe in the
correct location.correct location.
Use Standard qualityUse Standard quality
materials.materials.
Check for bending of theCheck for bending of the
pipe.pipe.
(2) Inserting cables(2) Inserting cables
PicturePicture

Work Work Description Description Things Things to to do do Check Check pointpoint
Insert the standardInsert the standard
powerpower
communicationcommunication
cable in the pipe.cable in the pipe.
Be careful not toBe careful not to
damage the cable whiledamage the cable while
inserting it.inserting it.
Check the cable condition.Check the cable condition.
6) Indoor unit 6) Indoor unit installationinstallation
(1) Location determination(1) Location determination
PicturePicture

Work Work Description Description Things Things to to do do Check Check pointpoint
Select an accurateSelect an accurate
location (check thelocation (check the
diagram and on-sitediagram and on-site
measurement)measurement)
Fully familiarize with theFully familiarize with the
diagram and markdiagram and mark
accurate locations.accurate locations.
Select a location with aSelect a location with a
laser point.laser point.
Check if it is in accordanceCheck if it is in accordance
with the diagram.with the diagram.
(2). Fastener / Anchor Bolt(2). Fastener / Anchor Bolt
PicturePicture

Work Work Description Description Things Things to to do do Check Check pointpoint
Anchor works onAnchor works on
accurate points.accurate points.
- Anchor drilling- Anchor drilling
- Full threads bolts- Full threads bolts
mountingmounting
Check the condition of theCheck the condition of the
full thread bolts.full thread bolts.


11. General installation Guide. General installation Guide
1818
(3) Connecting the equipment(3) Connecting the equipment
PicturePicture

Work Work Description Description Things Things to to do do Check Check pointpoint
Mounting anMounting an
indoor unit.indoor unit.
A group of two worksA group of two works
on the indoor unit.on the indoor unit.
Check for levelness of theCheck for levelness of the
indoor unit and damage toindoor unit and damage to
the indoor unit.the indoor unit.
(4) Inserting a vibration-proof rubber mat(4) Inserting a vibration-proof rubber mat
PicturePicture

Work Work Description Description Things Things to to do do Check Check pointpoint
Insert a vibrationInsert a vibration
proof rubber matproof rubber mat
between the boltbetween the bolt
and the indoor unitand the indoor unit
to prevent transfersto prevent transfers
of the vibration.of the vibration.
Do not allow theDo not allow the
vibration proof rubbervibration proof rubber
mat to be inclinedmat to be inclined
toward either side. Dotoward either side. Do
not omit any of them.not omit any of them.
Check the insertion conditionCheck the insertion condition
of the vibration proof rubberof the vibration proof rubber
mat.mat.
(5) Check the horizontal height(5) Check the horizontal height
PicturePicture

Work Work Description Description Things Things to to do do Check Check pointpoint
Adjust theAdjust the
horizontal height.horizontal height.
Check if the indoor unitCheck if the indoor unit
is horizontally flat?is horizontally flat?
Considering the ceilingConsidering the ceiling
finishing line, check yourfinishing line, check your
installation.installation.
(6) Installation completed(6) Installation completed
PicturePicture

Work Work Description Description Things Things to to do do Check Check pointpoint
- - - - --



Installation guideInstallation guide
1919
(7) Connecting the power communication cables(7) Connecting the power communication cables
PicturePicture

Work Work Description Description Things Things to to do do Check Check pointpoint
Connect theConnect the
powerpower
communicationcommunication
cable to the indoorcable to the indoor
unit.unit.
Use a ring terminal toUse a ring terminal to
make a connection.make a connection.
Check if the ring terminal isCheck if the ring terminal is
used.used.
(8) Drain insulation(8) Drain insulation
PicturePicture

Work Work Description Description Things Things to to do do Check Check pointpoint
Pipe insulationPipe insulation
works.works.
Do not damage theDo not damage the
insulation materials.insulation materials.
Check the insulationCheck the insulation
materials and drainagematerials and drainage
slope.slope.
(9)(9) Wrapping indoor unitWrapping indoor unit
PicturePicture

Work Work Description Description Things Things to to do do Check Check pointpoint
Indoor unitIndoor unit
wrapping.wrapping.
Wrap the indoor unitWrap the indoor unit
with polythene towith polythene to
avoid any dust, due toavoid any dust, due to
other work progress inother work progress in
the vicinity.the vicinity.
Check the indoor unitCheck the indoor unit
wrapping status.wrapping status.
7) Outdoor unit 7) Outdoor unit installationinstallation
(1) Vibration-proof board installation(1) Vibration-proof board installation
PicturePicture

Work Work Description Description Things Things to to do do Check Check pointpoint
Mount the outdoorMount the outdoor
machine in themachine in the
correct location bycorrect location by
referring to thereferring to the
diagram.diagram.
- Acquire levelness of- Acquire levelness of
the vibration proofthe vibration proof
board.board.
- Accurate- Accurate
measurement andmeasurement and
safe mounting.safe mounting.
Check if it is in accordanceCheck if it is in accordance
with the diagram. Checkwith the diagram. Check
the levelness.the levelness.


11. General installation Guide. General installation Guide
2020
(2) Conveying the outdoor unit(2) Conveying the outdoor unit
PicturePicture

Work Work Description Description Things Things to to do do Check Check pointpoint
Checking theChecking the
outdoor unit.outdoor unit.
A group of four moveA group of four move
the outdoor unit(22HP)the outdoor unit(22HP)
Check for damages in theCheck for damages in the
outdoor unit.outdoor unit.
(3) Mounting the vibration-proof board(3) Mounting the vibration-proof board
PicturePicture

Work Work Description Description Things Things to to do do Check Check pointpoint
Mounting theMounting the
vibration-proofvibration-proof
board.board.
Install it in the upperInstall it in the upper
area.area.
- Do not change the- Do not change the
location of the vibration-location of the vibration-
proof board.proof board.
- Check the location in the- Check the location in the
diagram once again.diagram once again.
(4) Connecting the vibration-proof board(4) Connecting the vibration-proof board
PicturePicture

Work Work Description Description Things Things to to do do Check Check pointpoint
Connect theConnect the
outdoor unit to theoutdoor unit to the
vibration-proofvibration-proof
board.board.
Bolting of the vibration-Bolting of the vibration-
proof board.proof board.
Check bolt installation andCheck bolt installation and
the final levelness.the final levelness.
(5) Completed installation of outdoor units(5) Completed installation of outdoor units
PicturePicture

Work Work Description Description Things Things to to do do Check Check pointpoint
CompletedCompleted
installationinstallation
Reinforce the outdoorReinforce the outdoor
unit.unit. Check for reinforcement.Check for reinforcement.