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Mitsubishi Heavy Industries HMS140VA1 User Manual

Mitsubishi Heavy Industries HMS140VA1
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Installation
-
57
-
'13 HM-T-193
CAUTION
Do not apply force beyond proper fastening
torque in tightening the flare nut.
Fix both liquid and gas service valves at the valve
main bodies as illustrated on the right, and then
fasten them, applying appropriate fastening torque.
Tightening angle
(°)
Tightening torque
(N-m)
φ6.35 (1/4")
φ9.52 (3/8")
φ12.7 (1/2")
φ15.88 (5/8")
1418
3442
4961
6882
4560
3045
3045
1520
150
200
250
300
Tighten a flare joint securely with a double spanner.
Use a torque wrench. If a torque wrench is not available,
fasten the flare nut manually first and then tighten it
further, using the left table as a guide.
Recommended length
of a tool handle (mm)
Operation valve size
(mm)
Do not hold the valve cap area with a spanner.
2. REFRIGERANT PIPING WORK
1. HAULAGE AND INSTALLATION
(Take particular care in carrying in or moving the unit, and always perform such an operation with two or more persons.)
CAUTION
Ask your dealer or a specialized service provider to install the unit. Improper installation work performed on the part of a user can result in water leaks, electric shocks and/or a fire.
Carry out installation work properly in accordance with this installation manual. Improper installation work could result in water leaks, electric shocks, or a fire.
When installing a unit in a small room, it is necessary to take appropriate precautions so that a refrigerant leak, if occurs, may not cause a buildup in excess of the
concentration limit. For information on such precautions to prevent an excessive buildup, contact your dealer. If refrigerant leaks and builds up beyond the
concentration limit, it can cause a lack-of-oxygen accident.
Install the unit securely onto a structure that can withstand its weight with a good safety margin. Installation onto a structure that is not strong enough can cause an
accident such as a fall or drop of the unit.
Install the unit according to the installation instructions so that it can withstand strong winds, such as typhoons, and earthquakes. Improper installation work can
cause an accident such as a fall of the unit.
Electrical installation work must be performed by an electrical installation service provider qualified by a power provider of the country, and be executed according to
the technical standards and other regulations applicable to electrical installation in the country.
In wiring, ensure solid cable connection using the specified cables and fasten cables securely so that the terminal block may not be subject to external force working
through cables. Improper connection or fastening can cause heat generation and a resultant fire.
In wiring, arrange cables suitably so that they may be contained neatly in place and then attach a lid and/or a service panel securely. Improper installation can cause
heat generation and a resultant fire.
Prevent any substance other than the specified refrigerant (R410A) such as air from entering the refrigerant cycle in installing or moving the air conditioning system.
Contamination by air or a foreign substance can cause an abnormal pressure buildup inside the refrigerant cycle and a resultant explosion and personal injury.
Use only parts supplied with the unit and specified supply parts for installation. The use of parts other than those approved by the manufacturer may cause a fall of
the unit, water leaks, a fire, electric shocks, refrigerant leaks, performance degradation or control failures.
Do not lay drain piping into a sewer where a toxic gas such as sulfuric gas is generated. There is a danger that a toxic gas will flow back into the room.
If refrigerant gas leaks during installation work, ventilate the room. Refrigerant gas, if it comes into contact with bare fire, can cause the generation of a toxic gas.
When installation work is completed, check the system for refrigerant gas leaks. If refrigerant gas leaks indoors and comes into contact with bare fire such as that of a
fan heater, stove or cooking stove, it can cause the generation of a toxic gas.
Sling the unit at the specified points with ropes properly rated for its weight in hoisting it for haulage. An improper hauling method can cause a fall of the unit
resulting in death or serious personal injury.
Always turn off power before you work inside the unit such as for installation or servicing. A failure to observe this instruction can cause a danger of receiving electric shocks.
Do not open the operation valves (both liquid and gas valves) until refrigerant piping work, an air-tightness test and an air purge are completed. When refrigerant gas
leaks during piping work, stop brazing pipes and ventilate the room. Refrigerant gas, when it comes into contact with bare fire, can cause the generation of a toxic gas.
Ground the unit. Do not connect the ground wire to gas piping, water piping,
a lightning rod, or telephone ground wires. Improper grounding can result
in electric shocks or fire when any trouble or earth leakage occurs.
Be sure to install an earth leakage breaker. A failure to install an earth leakage
breaker may result in the outbreak of fire or electric shocks.
Do not install the unit in an area where a danger of flammable gas leaks exists. If a
flammable gas does leak and build up around the unit, it can cause a fire.
Install drain piping in accordance with the installation manual to ensure proper
drainage and keep its temperature to prevent dew condensation. Improper piping
work can cause water leaks and a soaking of household effects.
Do not install the outdoor unit where winds from its fan blow directly onto a plant,
etc. Winds can affect adversely to the plant, etc.
Secure a space for inspection and maintenance as specified in the manual. An
insufficient space can result in an accident such as a fall from the installation point
and a resultant personal injury.
When the outdoor unit is installed on a roof top or at an elevated point, provide
permanent ladders and handrails along the access route and fences and handrails
around the outdoor unit.
In tightening a flare nut, use double spanners and observe the specified tightening
torque. Care must be taken so as not to over-tighten a nut and damage the flare
part. (Refer to the tightening torque) A loose or damaged flare part can cause a
refrigerant gas leak and a resultant lack-of-oxygen accident.
Dress the refrigerant piping with a heat insulation material for prevention of dew
condensation. Improper heat insulation to prevent dew condensation can cause
leaking or dripping water and a resultant soaking of household effects.
When refrigerant piping work is completed, check it for air tightness with nitrogen
gas and make sure that it does not have any leak. A refrigerant gas leak in a narrow
room beyond the concentration limit can cause a lack-of-oxygen accident.
②
Notabilia for installation
Intake
Outlet
Intake
(
service
space
)
Intake
Outlet
Fasten with bolts
(M10-12)
Use a thicker block toanchor deeper.
Use a long block to extend the width.
Notabilia as a unit designed for R410A
Do not use any refrigerant other than R410A. R410A will rise to pressure about 1.6 times higher than that of a conventional refrigerant.
A cylinder containing R410A has a pink indication mark on the top.
A unit designed for R410A has adopted a different size indoor unit operation valve charge port and a different size check joint provided in the unit to prevent the charging of a wrong
refrigerant by mistake. The processed dimension of the flared part of a refrigerant pipe and a flare nut's parallel side measurement have also been altered to raise strength against pressure.
Accordingly, you are required to arrange dedicated R410A tools listed in the table on the right before installing or servicing this unit.
Do not use a charge cylinder. The use of a charge cylinder will cause the refrigerant composition to change, which results in performance degradation.
In charging refrigerant, always take it out from a cylinder in the liquid phase.
All indoor units must be models designed exclusively for R410A. Check connectable indoor unit models in a catalog, etc. (A wrong indoor unit, if connected into the system, will impair
proper system operation)
CAUTION
When a unit is hoisted with slings for haulage, take into consideration the offset of its gravity center position.
If not properly balanced, the unit can be thrown off-balance and fall.
3) Refrigerant pipe wall thickness and material
Select refrigerant pipes of the table shown on the right wall thickness and material as
specified for each pipe size.
a
b
c
d
e
f
g
h
Gauge manifold
Charge hose
Electronic scale for refrigerant charging
Torque wrench
Flare tool
Protrusion control copper pipe gauge
Vacuum pump adapter
Gas leak detector
Dedicated R410A tools
Pipe diameter [mm]
Minimum pipe wall thickness [mm]
Pipe material*
How to remove the service panel
9.52
0.8
O-type pipe
15.88
1.0
O-type pipe
NOTE
*Phosphorus deoxidized seamless copper pipe C1220T, JIS 3300
Catch
1) Delivery
Deliver the unit as close as possible to the installation site before removing it
from the packaging.
When some compelling reason necessitates the unpacking of the unit before it
is carried in, use nylon slings or protective wood pieces so as not to damage
the unit by ropes lifting it.
2) Portage
The right hand side of the unit as viewed from the front (diffuser side) is heavier.
A person carrying the right hand side must take heed of this fact. A person carrying
the left hand side must hold with his right hand the handle provided on the front
panel of the unit and with his left hand the corner column section.
This installation manual deals with outdoor units and general installation specifications only. For indoor units, refer to the respective
installation manuals supplied with the units.
Read this manual carefully before you set to installation work and carry it out according to the instructions contained in this manual.
5) Installation space
Walls surrounding the unit in the four sides are not acceptable.
There must be a 1-meter or larger space in the above.
Where a danger of short-circuiting exists, install guide louvers.
When more than one unit are installed, provide sufficient intake space consciously so that short-circuiting may not occur.
Where piling snow can bury the outdoor unit, provide proper snow guards.
A barrier wall placed in front of the exhaust diffuser must not be higher than the unit.
L3
L2
L4
L1
100V140V
Example installation
Size
L1
L2
L3
L4
Open
300
150
5
Open
5
300
5
500
Open
150
5
(mm)
190 200580
20
410
20
①
Anchor bolt fixed position
In installing the unit, fix the unit’s legs with bolts specified on the left.
The protrusion of an anchor bolt on the front side must be kept within 15 mm.
Securely install the unit so that it does not fall over during earthquakes or strong winds, etc.
Refer to the left illustrations for information regarding concrete foundations.
Install the unit in a level area. (With a gradient of 5 mm or less.)
Improper installation can result in a compressor failure, broken piping within the unit and abnormal noise generation.
< Single type >
L
H
Outdoor unit
Indoor unit
1) Restrictions on unit installation and use
Check the following points in light of the indoor unit specifications and the installation site.
Observe the following restrictions on unit installation and use. Improper installation can result in a compressor failure or performance degradation.
2) Determination of pipe size
Determine refrigerant pipe size pursuant to the following guidelines based on the indoor unit specifications.
One-way pipe length of refrigerant piping
Restrictions
Dimensional
restrictions
Marks appearing in the drawing on the right
L
H
H
Outdoor unit connected
Indoor unit connected
Connected indoor unit model
Refrigerant piping φ15.88
φ15.88
φ15.88
Flare
Elevation difference between
indoor and outdoor units
FDCW100VNX
HM270VS
Gas pipe Liquid pipe
First remove the five screws ( mark) of the service panel and push it down into the
direction of the arrow mark and then remove it by pulling it toward you.
When the outdoor unit is positioned higher,
When the outdoor unit is positioned lower,
Single type
Take care so that installed pipes may not touch components within a unit. If touching with
an internal component, it will generate abnormal sounds and/or vibrations.
The pipe can be laid in any of the following directions: side right, front, rear and downward.
Remove a knock-out plate provided on the pipe penetration to open a minimum necessary area and attach an
edging material supplied as an accessory by cutting it to an appropriate length before laying a pipe.
Carry out the on site piping work with the operation valve fully closed.
Give sufficient protection to a pipe end (compressed and blazed, or with an adhesive tape) so that water or foreign
matters may not enter the piping.
Bend a pipe to a radius as large as practical.(R100R150) Do not bend a pipe repeatedly to correct its form.
Flare connection is used between the unit and refrigerant pipe. Flare a pipe after engaging a flare nut onto it.
Flare dimensions for R410A are different from those for conventional R407C. Although we recommend the use
of flaring tools designed specifically for R410A, conventional flaring tools can also be used by adjusting the
measurement of protrusion B with a protrusion control gauge.
4) On-site piping work
IMPORTANT
A
B
Flared pipe end: A (mm)
φ6.35
φ9.52
φ12.7
φ15.88
Copper
pipe outer
diameter
0
04
91
132
16.6
19.7
Copper pipe protrusion for flaring: B (mm)
φ6.35
φ9.52
φ12.7
φ15.88
Copper
pipe outer
diameter
In the case of a rigid (clutch) type
With an R410A tool With a conventional tool
00.5 0.71.3
Heavy
Pad
Wooden pallet
Over 500 mm
2.Install the outlet air blow side
of the unit in a position
perpendicular to the direction
of wind.
6) Installation
For downward connection
For side right connection
For front connection
For rear connection
Select pipes having a wall thickness larger
than the specified minimum pipe thickness.
WARNING
[ Accessory ]
Check before installation work
Model name and power source
Refrigerant piping length
Piping, wiring and miscellaneous small parts
Indoor unit installation manual
Edging
1 piece
knock-out hole protection
3.The unit should be installed on
the stable and level foundation.
If the foundation is not level,
tie down the unit with wires.
1.Install the outlet air blow side
of the unit to face a wall of
building, or provide a fence or
a windbreak screen.
12m or less
7m or less
7m or less
PSB012D955G
φ9.52
Flare
φ9.52
φ9.52
3) Selection of installation location for the outdoor unit
Be sure to select a suitable installation place in consideration of following conditions.
A
place where it is horizontal, stable and can endure the unit weight and will not allow vibration transmittance of the unit.
A place where it can be free from possibility of bothering neighbors due to noise or exhaust air from the unit
A place where the unit is not exposed to oil splashes.
A place where it can be free from danger of flammable gas leakage.
A place where drain water can be disposed without any trouble.
A place where the unit will not be affected by heat radiation from other heat source.
A place where snow will not accumulate.
A place where the unit can be kept away 5m or more from TV set and/or radio receiver in order to avoid any radio
or TV interference.
A place where good air circulation can be secured, and enough service space can be secured for maintenance and
service of the unit safely.
A place where the unit will not be affected by electromagnetic waves and/or high-harmonic waves generated by other
equipment.
A place where chemical substances like sulfuric gas, chloric gas, acid and alkali (including ammonia), which can harm
the unit, will not be generated and not remain.
A place where strong wind will not blow against the outlet air blow of the unit.
Wind direction
Wind direction
4) Caution about selection of installation location
(1)
If the unit is installed in the area where the snow will accumulate, following measures are required.
The bottom plate of unit and intake, outlet may be blocked by snow.
Since drain water generated by defrost control may freeze, following measures are required.
Don't execute drain piping work.
by using a drain elbow and drain grommets (optional parts).
[Refer to
Drain piping work.]
Recommend setting Defrost Control (SW3-1) and Snow Guard Fan Control (SW3-2). [Refer to Setting SW3-1,
SW3-2.]
(2)
If the unit can be affected by strong wind, following measures are required.
Strong wind can cause damage of fan (fan motor), or can cause performance degradation, or can trigger
anomalous stop of the unit due to rising of high pressure.
1.Install the unit on the base so that
the bottom is higher than snow cover
surface.
3.Install the unit under
eaves or provide the roof
on site.
2.
Provide a snow ho od to
the outdoor unit on site.
Regarding outline of a snow
hood, refer to our technical
manual.
Outdoor unit installation
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8BMMTTVSSPVOEJOHUIFVOJUJOUIFGPVSTJEFTBSFOPUBDDFQUBCMF
5IFSFNVTUCFBNFUFSPSMBSHFSTQBDFJOUIFBCPWF
8IFSFBEBOHFSPGTIPSUDJSDVJUJOHFYJTUTJOTUBMMHVJEFMPVWFST
8IFONPSFUIBOPOFVOJUBSFJOTUBMMFEQSPWJEFTVGmDJFOUJOUBLFTQBDFDPOTDJPVTMZTPUIBUTIPSUDJSDVJUJOHNBZ
OPUPDDVS
8IFSF QJMJOH TOPXDBO CVSZ UIF PVUEPPSVOJUQSPWJEF QSPQFSTOPX HVBSET
" CBSSJFS XBMMQMBDFE JOGSPOU PG UIFFYIBVTU EJGGVTFSNVTU OPU CF IJHIFS UIBOUIF VOJU
*OUBLF
TFSWJDF
TQBDF
*OUBLF
0VUMFU
-
-
-
-
7/9
7/9
&YBNQMFJOTUBMMBUJPO
4J[F
-
-
-
-
0QFO



0QFO




0QFO


(mm)
7/9,7/9
7/9,7/9
0QFO


0QFO


0QFO

*OUBLF
0VUMFU
 



①
"ODIPSCPMUmYFEQPTJUJPO
*OJOTUBMMJOHUIFVOJUmYUIFVOJUTMFHTXJUICPMUTTQFDJmFEPOUIFMFGU
5IFQSPUSVTJPOPGBOBODIPSCPMUPOUIFGSPOUTJEFNVTUCFLFQUXJUIJONN
4FDVSFMZJOTUBMMUIFVOJUTPUIBUJUEPFTOPUGBMMPWFSEVSJOHFBSUIRVBLFTPSTUSPOHXJOETFUD
3FGFSUPUIFMFGUJMMVTUSBUJPOTGPSJOGPSNBUJPOSFHBSEJOHDPODSFUFGPVOEBUJPOT
*OTUBMMUIFVOJUJOBMFWFMBSFB8JUIBHSBEJFOUPGNNPSMFTT
*NQSPQFSJOTUBMMBUJPODBOSFTVMUJOBDPNQSFTTPSGBJMVSFCSPLFOQJQJOHXJUIJOUIFVOJUBOE
BCOPSNBMOPJTFHFOFSBUJPO
4JOHMFUZQF
L
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0VUEPPSVOJU
*OEPPSVOJU
 3FTUSJDUJPOT PO VOJUJOTUBMMBUJPO BOE VTF
$IFDL UIF GPMMPXJOHQPJOUT JOMJHIU PG UIF JOEPPS VOJUTQFDJmDBUJPOT BOEUIF JOTUBMMBUJPOTJUF
0CTFSWF UIFGPMMPXJOH SFTUSJDUJPOT PO VOJU JOTUBMMBUJPOBOE VTF *NQSPQFSJOTUBMMBUJPO DBOSFTVMU JO B DPNQSFTTPS GBJMVSFPS QFSGPSNBODFEFHSBEBUJPO
 %FUFSNJOBUJPO PG QJQFTJ[F
%FUFSNJOF SFGSJHFSBOU QJQFTJ[F QVSTVBOUUP UIF GPMMPXJOH HVJEFMJOFT CBTFEPO UIFJOEPPS VOJU TQFDJmDBUJPOT
0OFXBZQJQFMFOHUIPGSFGSJHFSBOUQJQJOH
3FTUSJDUJPOT
%JNFOTJPOBMSFTUSJDUJPOT
.BSLTBQQFBSJOHJOUIFESBXJOHPOUIFSJHIU
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0VUEPPSVOJUDPOOFDUFE
*OEPPSVOJUDPOOFDUFE
$POOFDUFEJOEPPSVOJUNPEFM
3FGSJHFSBOUQJQJOH φ
φ
φ
'MBSF
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JOEPPSBOEPVUEPPSVOJUT
7/97/97/9
)."77/97/9).477/9
(BTQJQF -JRVJEQJQF
8IFOUIFPVUEPPSVOJUJTQPTJUJPOFEIJHIFS
8IFOUIFPVUEPPSVOJUJTQPTJUJPOFEMPXFS
4JOHMFUZQF
0WFS  NN
*OTUBMM UIF PVUMFUBJS CMPXTJEF
PG UIF VOJUJO BQPTJUJPO
QFSQFOEJDVMBS UP UIFEJSFDUJPO
PG XJOE
 *OTUBMMBUJPO
4FMFDU QJQFT IBWJOHB XBMMUIJDLOFTT MBSHFS
UIBO UIF TQFDJmFE NJOJNVNQJQF UIJDLOFTT
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QJFDF
LOPDLPVUIPMFQSPUFDUJPO
7/97/9POMZ
5IF VOJU TIPVMECF JOTUBMMFEPO
UIF TUBCMF BOEMFWFM GPVOEBUJPO
*G UIF GPVOEBUJPOJT OPUMFWFM
UJF EPXO UIFVOJU XJUIXJSFT
*OTUBMM UIF PVUMFUBJS CMPXTJEF
PG UIF VOJUUP GBDFB XBMM PG
CVJMEJOHPS QSPWJEF BGFODF PS
B XJOECSFBL TDSFFO
NPSMFTTNPSMFTT NPSMFTT
7/9 7/9 7/9
NPSMFTT
NPSMFTT
14#%%
φ
'MBSF
φ
φ
 4FMFDUJPO PG JOTUBMMBUJPOMPDBUJPO GPS UIF PVUEPPSVOJU
#F TVSF UPTFMFDU BTVJUBCMF JOTUBMMBUJPO QMBDF JO DPOTJEFSBUJPOPG GPMMPXJOHDPOEJUJPOT
"
QMBDF XIFSFJU JTIPSJ[POUBMTUBCMF BOE DBOFOEVSF UIFVOJU XFJHIU BOE XJMM OPUBMMPX WJCSBUJPOUSBOTNJUUBODF PGUIF VOJU
"QMBDF XIFSFJU DBO CFGSFF GSPNQPTTJCJMJUZ PG CPUIFSJOHOFJHICPST EVFUP OPJTF PS FYIBVTU BJSGSPN UIFVOJU
"QMBDF XIFSFUIF VOJU JTOPU FYQPTFEUP PJM TQMBTIFT
"QMBDF XIFSFJU DBO CFGSFF GSPNEBOHFS PG nBNNBCMFHBT MFBLBHF
"QMBDF XIFSFESBJO XBUFS DBO CF EJTQPTFEXJUIPVU BOZUSPVCMF
"QMBDF XIFSFUIF VOJU XJMMOPU CFBGGFDUFE CZ IFBU SBEJBUJPO GSPN PUIFS IFBUTPVSDF
"QMBDF XIFSFTOPX XJMM OPU BDDVNVMBUF
"QMBDF XIFSFUIF VOJU DBOCF LFQUBXBZ NPS NPSF GSPN57 TFU BOEPS SBEJPSFDFJWFS JO PSEFS UP BWPJE BOZ SBEJPPS57 JOUFSGFSFODF
"QMBDF XIFSFHPPE BJS DJSDVMBUJPO DBO CFTFDVSFEBOE FOPVHITFSWJDF TQBDFDBO CF TFDVSFEGPS NBJOUFOBODFBOE TFSWJDFPG UIFVOJU TBGFMZ
"QMBDF XIFSFUIF VOJU XJMMOPU CFBGGFDUFE CZ FMFDUSPNBHOFUJD XBWFT BOEPS IJHIIBSNPOJD XBWFTHFOFSBUFE CZPUIFS FRVJQNFOU
"QMBDF XIFSFDIFNJDBM TVCTUBODFT MJLFTVMGVSJD HBT DIMPSJD HBT BDJE BOEBMLBMJ JODMVEJOHBNNPOJBXIJDIDBO IBSNUIF VOJU XJMM OPU CF HFOFSBUFEBOE OPUSFNBJO
"QMBDF XIFSFTUSPOH XJOE XJMMOPU CMPXBHBJOTU UIFPVUMFU BJS CMPX PG UIFVOJU
)FBWZ
1BE
8PPEFOQBMMFU
8JOE EJSFDUJPO
8JOE EJSFDUJPO

*G UIF VOJUDBO CFBGGFDUFE CZ TUSPOHXJOEGPMMPXJOH NFBTVSFTBSF SFRVJSFE
4USPOH XJOE DBO DBVTF EBNBHF PG GBO GBO NPUPS PS DBO DBVTF QFSGPSNBODF EFHSBEBUJPO PS
DBO USJHHFS BOPNBMPVTTUPQ PG UIF VOJU EVFUP SJTJOHPG IJHI QSFTTVSF
*OTUBMM UIF VOJUPO UIFCBTF TP UIBU
UIFCPUUPNJTIJHIFSUIBOTOPXDPWFS
TVSGBDF
*OTUBMM UIF VOJUVOEFS FBWFTPS
QSPWJEF UIF SPPGPO TJUF
1SPWJEF B TOPX IPPE UP UIF PVUEPPS
VOJU PO TJUF
3FHBSEJOH PVUMJOF PG B TOPX IPPE SFGFS
UPPVSUFDIOJDBMNBOVBM
 $BVUJPO BCPVU TFMFDUJPOPG JOTUBMMBUJPO MPDBUJPO

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5IF CPUUPN QMBUFPG VOJUBOE JOUBLF PVUMFU NBZ CF CMPDLFECZ TOPX
4JODF ESBJO XBUFSHFOFSBUFE CZEFGSPTU DPOUSPMNBZ GSFF[F GPMMPXJOHNFBTVSFT BSF SFRVJSFE
%POhU FYFDVUFESBJO QJQJOH XPSL
CZ VTJOH B ESBJOFMCPX BOEESBJO HSPNNFUT PQUJPOBMQBSUT
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3FDPNNFOE TFUUJOH %FGSPTU$POUSPM 48BOE 4OPX (VBSE 'BO $POUSPM 48 <3FGFS UP4FUUJOH 4848>
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 
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BWPJE NBMGVODUJPO EVF UP NJTIBOEMJOH
5IF QSFDBVUJPOT EFTDSJCFECFMPX BSFEJWJEFE JOUP BOE 5IF NBUUFSTXJUI QPTTJCJMJUJFT MFBEJOH UP TFSJPVTDPOTFRVFODFT TVDIBT
EFBUI PS TFSJPVT QFSTPOBM JOKVSZ EVF UPFSSPOFPVT IBOEMJOHBSF MJTUFE JO UIF BOE UIFNBUUFST XJUIQPTTJCJMJUJFT MFBEJOHUP QFSTPOBM JOKVSZ PS
EBNBHF PG UIF VOJU EVFUP FSSPOFPVTIBOEMJOH JODMVEJOH QSPCBCJMJUZMFBEJOH UP TFSJPVT DPOTFRVFODFT JOTPNF DBTFTBSF MJTUFE JO 5IFTF BSF
WFSZ JNQPSUBOUQSFDBVUJPOT GPS TBGFUZ#F TVSF UPPCTFSWF BMMPG UIFNXJUIPVU GBJM
5IF NFBOJOH PG.BSLT VTFEIFSF BSF BT TIPXO CFMPX
 BOE )1 VOJUTPG TJOHMF QIBTF QPXFS TPVSDFBSF FRVJQNFOUDPNQMZJOH XJUI *&$ 
#F TVSF UPDPOmSN OPBOPNBMZ PO UIF FRVJQNFOU CZDPNNJTTJPOJOH BGUFSDPNQMFUFE JOTUBMMBUJPO BOE FYQMBJO UIFPQFSBUJOH NFUIPETBT XFMMBT UIF NBJOUFOBODF
NFUIPET PG UIJTFRVJQNFOU UPUIF VTFS BDDPSEJOH UP UIFPXOFShT NBOVBM
,FFQ UIF JOTUBMMBUJPO NBOVBM UPHFUIFSXJUI PXOFShTNBOVBM BUB QMBDFXIFSF BOZ VTFS DBO SFBEBU BOZUJNF .PSFPWFS JGOFDFTTBSZ BTL UPIBOE UIFNUP B OFX VTFS
/FWFS EP JUVOEFS BOZDJSDVNTUBODF
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QFSTPOBMJOKVSZBTBSFTVMUPGBTZTUFNNBMGVODUJPO
*OTUBMMUIFTZTUFNJOGVMMBDDPSEBODFXJUIUIFJOTUSVDUJPONBOVBM
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6TFUIFPSJHJOBMBDDFTTPSJFTBOEUIFTQFDJmFEDPNQPOFOUTGPSJOTUBMMBUJPO
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8"3/*/(
$"65*0/
INSTALLATION MANUAL FOR OUTDOOR UNIT
2. REFRIGERANT PIPING WORK
1. HAULAGE AND INSTALLATION
(Take particular care in carrying in or moving the unit, and always perform such an operation with two or more persons.)
71VNX, 100VNX, 140VNX
Designed for R410A refrigerant
[ Accessory ]
Check before installation work
Model name and power source
Refrigerant piping length
Piping, wiring and miscellaneous small parts
Indoor unit installation manual
②
Notabilia for installation
Fasten with bolts
(M10-12)
Use a thicker block toanchor deeper.
Use a long block to extend the width.
Notabilia as a unit designed for R410A
Do not use any refrigerant other than R410A. R410A will rise to pressure about 1.6 times higher than that of a conventional refrigerant.
A cylinder containing R410A has a pink indication mark on the top.
A unit designed for R410A has adopted a different size indoor unit operation valve charge port and a different size check joint provided in the unit to prevent the
charging of a wrong refrigerant by mistake. The processed dimension of the flared part of a refrigerant pipe and a flare nut's parallel side measurement have also been altered
to raise strength against pressure. Accordingly, you are required to arrange dedicated R410A tools listed in the table on the right before installing or servicing this unit.
Do not use a charge cylinder. The use of a charge cylinder will cause the refrigerant composition to change, which results in performance degradation.
In charging refrigerant, always take it out from a cylinder in the liquid phase.
All indoor units must be models designed exclusively for R410A. Check connectable indoor unit models in a catalog, etc. (A wrong indoor unit, if connected into the system,
will impair proper system operation)
CAUTION
When a unit is hoisted with slings for haulage, take into consideration the offset of its gravity center position.
If not properly balanced, the unit can be thrown off-balance and fall.
3) Refrigerant pipe wall thickness and material
Select refrigerant pipes of the table shown on the right wall thickness and material as
specified for each pipe size.
a
b
c
d
e
f
g
h
Gauge manifold
Charge hose
Electronic scale for refrigerant charging
Torque wrench
Flare tool
Protrusion control copper pipe gauge
Vacuum pump adapter
Gas leak detector
Dedicated R410A tools
Pipe diameter [mm]
Minimum pipe wall thickness [mm]
Pipe material*
9.52
0.8
O-type pipe
15.88
1.0
O-type pipe
NOTE
*Phosphorus deoxidized seamless copper pipe C1220T, JIS 3300
1) Delivery
Deliver the unit as close as possible to the installation site before removing it from the packaging.
When some compelling reason necessitates the unpacking of the unit before it is carried in, use nylon slings or protective wood pieces so as not to damage the unit by
ropes lifting it.
2) Portage
The right hand side of the unit as viewed from the front (diffuser side) is heavier. A person carrying the right hand side must take heed of this fact. A person carrying the left hand
side must hold with his right hand the handle provided on the front panel of the unit and with his left hand the corner column section.
This installation manual deals with outdoor units and general installation specifications only. For indoor units, refer to the respective
installation manuals supplied with the units.
Read this manual carefully before you set to installation work and carry it out according to the instructions contained in this manual.
5) Installation space
Walls surrounding the unit in the four sides are not acceptable.
There must be a 1-meter or larger space in the above.
Where a danger of short-circuiting exists, install guide louvers.
When more than one unit are installed, provide sufficient intake space consciously so that short-circuiting may
not occur.
Where piling snow can bury the outdoor unit, provide proper snow guards.
A barrier wall placed in front of the exhaust diffuser must not be higher than the unit.
Intake
(
service
space
)
Intake
Outlet
L3
L2
L4
L1
71VNX
71VNX
Example installation
Size
L1
L2
L3
L4
Open
300
100
250
Open
250
150
250
500
Open
100
250
(mm)
100VNX,140VNX
100VNX,140VNX
Open
300
150
5
Open
5
300
5
500
Open
150
5
Intake
Outlet
190 200580
20
410
20
①
Anchor bolt fixed position
In installing the unit, fix the unit’s legs with bolts specified on the left.
The protrusion of an anchor bolt on the front side must be kept within 15 mm.
Securely install the unit so that it does not fall over during earthquakes or strong winds, etc.
Refer to the left illustrations for information regarding concrete foundations.
Install the unit in a level area. (With a gradient of 5 mm or less.)
Improper installation can result in a compressor failure, broken piping within the unit and
abnormal noise generation.
< Single type >
L
H
Outdoor unit
Indoor unit
1) Restrictions on unit installation and use
Check the following points in light of the indoor unit specifications and the installation site.
Observe the following restrictions on unit installation and use. Improper installation can result in a compressor failure or performance degradation.
2) Determination of pipe size
Determine refrigerant pipe size pursuant to the following guidelines based on the indoor unit specifications.
One-way pipe length of refrigerant piping
Restrictions
Dimensionalrestrictions
Marks appearing in the drawing on the right
L
H
H
Outdoor unit connected
Indoor unit connected
Connected indoor unit model
Refrigerant piping φ15.88
φ15.88
φ15.88
Flare
Elevation difference between
indoor and outdoor units
71VNX, 100VNX, 140VNX
HMA100V-270 (71VNX,100VNX), HMS140V (140VNX)
Gas pipe Liquid pipe
When the outdoor unit is positioned higher,
When the outdoor unit is positioned lower,
Single type
Over 500 mm
2.Install the outlet air blow side
of the unit in a position
perpendicular to the direction
of wind.
6) Installation
Select pipes having a wall thickness larger
than the specied minimum pipe thickness.
Edging
1 piece
knock-out hole protection
(100VNX, 140VNX only)
3.The unit should be installed on
the stable and level foundation.
If the foundation is not level,
tie down the unit with wires.
1.Install the outlet air blow side
of the unit to face a wall of
building, or provide a fence or
a windbreak screen.
30m or less 30m or less 12m or less
71VNX 100VNX 140VNX
7m or less
7m or less
PSB012D955D
φ9.52
Flare
φ9.52
φ9.52
3) Selection of installation location for the outdoor unit
Be sure to select a suitable installation place in consideration of following conditions.
A
place where it is horizontal, stable and can endure the unit weight and will not allow vibration transmittance of the unit.
A place where it can be free from possibility of bothering neighbors due to noise or exhaust air from the unit
A place where the unit is not exposed to oil splashes.
A place where it can be free from danger of flammable gas leakage.
A place where drain water can be disposed without any trouble.
A place where the unit will not be affected by heat radiation from other heat source.
A place where snow will not accumulate.
A place where the unit can be kept away 5m or more from TV set and/or radio receiver in order to avoid any radio or TV interference.
A place where good air circulation can be secured, and enough service space can be secured for maintenance and service of the unit safely.
A place where the unit will not be affected by electromagnetic waves and/or high-harmonic waves generated by other equipment.
A place where chemical substances like sulfuric gas, chloric gas, acid and alkali (including ammonia), which can harm the unit, will not be generated and not remain.
A place where strong wind will not blow against the outlet air blow of the unit.
Heavy
Do not install the unit in places which exposed to sea breeze (e.g. coastal area) or calcium chloride (e.g. snow melting agent)
exposed to ammonia substance (e.g. organic fertilizer).
Pad
Wooden pallet
Wind direction
Wind direction
(2)
If the unit can be affected by strong wind, following measures are required.
Strong wind can cause damage of fan (fan motor), or can cause performance degradation, or
can trigger anomalous stop of the unit due to rising of high pressure or dropping of low pressure.
1.Install the unit on the base so that
the bottom is higher than snow cover
surface.
3.Install the unit under eaves or
provide the roof on site.
2.Provide a snow hood to the outdoor
unit on site.
Regarding outline of a snow hood, refer
to our technical manual.
4) Caution about selection of installation location
(1)
If the unit is installed in the area where the snow will accumulate, following measures are required.
The bottom plate of unit and intake, outlet may be blocked by snow.
Since drain water generated by defrost control may freeze, following measures are required.
Don't execute drain piping work.
by using a drain elbow and drain grommets (optional parts).
[Refer to Drain piping work.]
Recommend setting Defrost Control (SW3-1) and Snow Guard Fan Control (SW3-2). [Refer to Setting SW3-1, SW3-2.]
Advisable to keep the right side service space (L4) more than 300 mm for easy maintenance.
Anchor bolt position
60
150 150
580
87.9
880
15
19
380
340
418
19
Intake
Outlet
SAFETY PRECAUTIONS
We recommend you to read this “SAFETY PRECAUTIONS” carefully before the installation work in order to gain full advantage of the functions of the unit and to
avoid malfunction due to mishandling.
The precautions described below are divided into and . The matters with possibilities leading to serious consequences such as
death or serious personal injury due to erroneous handling are listed in the and the matters with possibilities leading to personal injury or
damage of the unit due to erroneous handling including probability leading to serious consequences in some cases are listed in . These are
very important precautions for safety. Be sure to observe all of them without fail.
The meaning of "Marks" used here are as shown below.
5 and 6 HP units of single phase power source are equipment complying with IEC 61000-3-12.
Be sure to confirm no anomaly on the equipment by commissioning after completed installation and explain the operating methods as well as the maintenance
methods of this equipment to the user according to the owner's manual.
Keep the installation manual together with owner's manual at a place where any user can read at any time. Moreover if necessary, ask to hand them to a new user
Never do it under any circumstance.
Always do it according to the instruction
WARNING
WARNING
CAUTION
CAUTION
Installation must be carried out by the qualified installer.
If you install the system by yourself, it may cause serious trouble such as water leaks, electric shocks, fire and
personal injury, as a result of a system malfunction.
Install the system in full accordance with the instruction manual.
Incorrect installation may cause bursts, personal injury, water leaks, electric shocks and fire.
Use the original accessories and the specified components for installation.
If parts other than those prescribed by us are used, It may cause fall of the unit, water leaks, electric shocks, fire,
refrigerant leak, substandard performance, control failure and personal injury.
When installing in small rooms, take prevention measures not to exceed the density limit of refrigerant in
the event of leakage accordance with ISO5149.
Consult the expert about prevention measures. If the density of refrigerant exceeds the limit in the event of leakage,
lack of oxygen can occur, which can cause serious accidents.
Ventilate the working area well in the event of refrigerant leakage during installation.
If the refrigerant comes into contact with naked flames, poisonous gas is produced.
After completed installation, check that no refrigerant leaks from the system.
If refrigerant leaks into the room and comes into contact with an oven or other hot surface, poisonous gas is produced.
Hang up the unit at the specified points with ropes which can support the weight in lifting for portage. And
to avoid jolting out of alignment, be sure to hang up the unit at 4-point support.
An improper manner of portage such as 3-point support can cause death or serious personal injury due to falling of the unit
Install the unit in a location with good support.
Unsuitable installation locations can cause the unit to fall and cause material damage and personal injury.
Ensure the unit is stable when installed, so that it can withstand earthquakes and strong winds.
Unsuitable installation locations can cause the unit to fall and cause material damage and personal injury
The electrical installation must be carried out by the qualified electrician in accordance with “the norm for
electrical work” and “national wiring regulation”, and the system must be connected to the dedicated circuit.
Power supply with insufficient capacity and incorrect function done by improper work can cause electric shocks and fire,
Be sure to shut off the power before starting electrical work.
Failure to shut off the power can cause electric shocks, unit failure or incorrect function of equipment.
Be sure to use the cables conformed to safety standard and cable ampacity for power distribution work.
Unconformable cables can cause electric leak, anomalous heat production or fire.
Use the prescribed cables for electrical connection, tighten the cables securely in terminal block and relieve
the cables correctly to prevent overloading the terminal blocks.
Loose connections or cable mountings can cause anomalous heat production or fire.
Arrange the wiring in the control box so that it cannot be pushed up further into the box. Install the service panel correctly.
Incorrect installation may result in overheating and fire
.
Do not perform brazing work in the airtight room
It can cause lack of oxygen.
Use the prescribed pipes,are nuts and tools for R410A.
Using existing parts (for R22 or R407C) can cause the unit failure and serious accidents due to burst of the refrigerant circuit.
Tighten the are nut by using double spanners and torque wrench according to prescribed method. Be sure
not to tighten the flare nut too much.
Loose flare connection or damage on the flare part by tightening with excess torque can cause burst or refrigerant
leaks which may result in lack of oxygen.
Do not open the service valves for liquid line and gas line until completed refrigerant piping work, air
tightness test and evacuation.
If the compressor is operated in state of opening service valves before completed connection of refrigerant piping
work, you may incur frost bite or injury from an abrupt refrigerant outflow and air can be sucked into refrigerant
circuit, which can cause burst or personal injury due to anomalously high pressure in the refrigerant
Only use prescribed optional parts. The installation must be carried out by the qualified installer.
If you install the system by yourself, it can cause serious trouble such as water leaks, electric shocks, fire.
Do not perform any change of protective device itself or its setup condition
The forced operation by short-circuiting protective device of pressure switch and temperature controller or the use
of non specified component can cause fire or burst.
Be sure to switch off the power supply in the event of installation, inspection or servicing.
If the power supply is not shut off, there is a risk of electric shocks, unit failure or personal injury due to the unexpected start of fan.
Consult the dealer or an expert regarding removal of the unit.
Incorrect installation can cause water leaks, electric shocks or fire.
Stop the compressor before closing valve and disconnecting refrigerant pipes in case of pump down operation.
If disconnecting refrigerant pipes in state of opening service valves before compressor stopping, you may incur frost
bite or injury from an abrupt refrigerant outflow and air can be sucked, which can cause burst or personal injury
due to anomalously high pressure in the refrigerant circuit
Ensure that no air enters in the refrigerant circuit when the unit is installed and removed.
If air enters in the refrigerant circuit, the pressure in the refrigerant circuit becomes too high, which can cause burst
and personal injury.
Do not run the unit with removed panels or protections
Touching rotating equipments, hot surfaces or high voltage parts can cause personal injury due to entrapment, burn or electric shocks.
Be sure to fix up the service panels.
Incorrect fixing can cause electric shocks or fire due to intrusion of dust or water.
Do not perform any repairs or modifications by yourself. Consult the dealer if the unit requires repair.
If you repair or modify the unit, it can cause water leaks, electric shocks or fire.
Carry out the electrical work for ground lead with care
Do not connect the ground lead to the gas line, water line, lightning conductor or telephone line's ground lead. Incorrect grounding can cause unit faults
such as electric shocks due to short-circuiting. Never connect the grounding wire to a gas pipe because if gas leaks,it could cause explosion or ignition.
Use the circuit breaker for all pole with correct capacity.
Using the incorrect circuit breaker, it can cause the unit malfunction and re.
Install isolator or disconnect switch on the power supply wiring in accordance with the local codes and regulations.
The isolator should be locked in accordanced with EN60204-1.
Take care when carrying the unit by hand.
If the unit weights more than 20kg, it must be carried by two or more persons. Do not carry by the plastic straps, always use
the carry handle when carrying the unit by hand. Use gloves to minimize the risk of cuts by the aluminum ns.
Dispose of any packing materials correctly.
Any remaining packing materials can cause personal injury as it contains nails and wood. And to avoid danger of suffocation,
be sure to keep the plastic wrapper away from children and to dispose after tear it up.
Pay attention not to damage the drain pan by weld spatter when welding work is done near the indoor unit.
If weld spatter entered into the indoor unit during welding work, it can cause pin-hole in drain pan and result in water leakage.
To prevent such damage, keep the indoor unit in its packing or cover it.
Be sure to insulate the refrigerant pipes so as not to condense the ambient air moisture on them.
Insufcient insulation can cause condensation, which can lead to moisture damage on the ceiling, oor, furniture and any other
valuables.
Be sure to perform air tightness test by pressurizing with nitrogen gas after completed refrigerant piping work.
If the density of refrigerant exceeds the limit in the event of refrigerant leakage in the small room, lack of oxygen can occur,
which can cause serious accidents.
Perform installation work properly according to this installation manual.
Improper installation can cause abnormal vibrations or increased noise generation.
Earth leakage breaker must be installed
If the earth leakage breaker is not installed, it can cause re or electric shocks.
Do not use any materials other than a fuse with the correct rating in the location where fuses are to be used.
Connecting the circuit with copper wire or other metal thread can cause unit failure and re.
Do not install the unit near the location where leakage of combustible gases can occur.
If leaked gases accumulate around the unit, it can cause re.
Do not install the unit where corrosive gas (such as sulfurous acid gas etc.) or combustible gas (such as thinner and
petroleum gases) can accumulate or collect, or where volatile combustible substances are handled.
Corrosive gas can cause corrosion of heat exchanger, breakage of plastic parts and etc. And combustible gas can cause re.
Secure a space for installation, inspection and maintenance specied in the manual.
Insufcient space can result in accident such as personal injury due to falling from the installation place..
When the outdoor unit is installed on a roof or a high place, provide permanent ladders and handrails along the
access route and fences and handrails around the outdoor unit.
If safety facilities are not provided, it can cause personal injury due to falling from the installation place.
Do not install nor use the system close to the equipment that generates electromagnetic elds or high frequency harmonics
Equipment such as inverters, standby generators, medical high frequency equipments and telecommunication equipments
can affect the system, and cause malfunctions and breakdowns. The system can also affect medical equipment and
telecommunication equipment, and obstruct its function or cause jamming.
Do not install the outdoor unit in a location where insects and small animals can inhabit.
Insects and small animals can enter the electric parts and cause damage or re. Instruct the user to keep the surroundings clean.
Do not use the base ame for outdoor unit which is corroded or damaged due to long periods of operation.
Using an old and damage base ame can cause the unit falling down and cause personal injury.
Do not install the unit in the locations listed below
Locations where carbon ber, metal powder or any powder is oating.
Locations where any substances that can affect the unit such as sulphide gas, chloride gas, acid and alkaline can occur.
Vehicles and ships
Locations where cosmetic or special sprays are often used.
Locations with direct exposure of oil mist and steam such as kitchen and machine plant.
Locations where any machines which generate high frequency harmonics are used.
Locations with salty atmospheres such as coastlines
Locations with heavy snow (If installed, be sure to provide base ame and snow hood mentioned in the manual)
Locations where the unit is exposed to chimney smoke
Locations at high altitude (more than 1000m high)
Locations with ammonic atmospheres
Locations where heat radiation from other heat source can affect the unit
Locations without good air circulation.
Locations with any obstacles which can prevent inlet and outlet air of the unit
Locations where short circuit of air can occur (in case of multiple units installation)
Locations where strong air blows against the air outlet of outdoor unit
It can cause remarkable decrease in performance, corrosion and damage of components, malfunction and re.
Do not install the outdoor unit in the locations listed below.
Locations where discharged hot air or operating sound of the outdoor unit can bother neighborhood.
Locations where outlet air of the outdoor unit blows directly to an animal or plants. The outlet air can affect adversely to the plant etc.
Locations where vibration can be amplied and transmitted due to insufcient strength of structure.
Locations where vibration and operation sound generated by the outdoor unit can affect seriously. (on the wall or at the place near bed room)
Locations where an equipment affected by high harmonics is placed. (TV set or radio receiver is placed within 5m)
Locations where drainage cannot run off safely.
It can affect surrounding environment and cause a claim
Do not use the unit for special purposes such as storing foods, cooling precision instruments and preservation of
animals, plants or art.
It can cause the damage of the items.
Do not touch any buttons with wet hands
It can cause electric shocks
Do not touch any refrigerant pipes with your hands when the system is in operation.
During operation the refrigerant pipes become extremely hot or extremely cold depending the operating condition, and it can
cause burn injury or frost injury.
Do not clean up the unit with water
It can cause electric shocks
Do not operate the outdoor unit with any article placed on it.
You may incur property damage or personal injure from a fall of the article.
Do not step onto the outdoor unit.
You may incur injury from a drop or fall.
WARNING
CAUTION
4. Use wind guard in case outdoor unit is installed where ambient temperature drops below -10˚C and
natural wind blows into outdoor unit directiy.
For detail see page 228.
#

Table of Contents

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Mitsubishi Heavy Industries HMS140VA1 Specifications

General IconGeneral
BrandMitsubishi Heavy Industries
ModelHMS140VA1
CategoryHeat Pump
LanguageEnglish

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