Samsung AM CXV Series User manual

Air conditioner
Installation manual
AM***CXV***
• Thank you for purchasing this Samsung air conditioner.
• Before operating this unit, please read this installation manual carefully and retain it for future
reference.
DB68-11976A-00_IM_DVM S2 Outdoor_SA_EN_.indd 1DB68-11976A-00_IM_DVM S2 Outdoor_SA_EN_.indd 1 2022-09-13 오전 9:34:012022-09-13 오전 9:34:01

2
English
Contents
Safety Information 3
Safety Information 3
Installation Procedure 5
Preparations for Outdoor Unit 5
Choosing the installation location 10
Preparing materials and tools 12
Outdoor unit installation 12
Refrigerant pipe installation 17
Electrical wiring work 32
Air tightness test and vacuum drying 39
Pipe insulation 41
Basic segment display 44
Setting outdoor unit option switch and key function 45
Performing final checks and trial operation 53
Appendix 55
Inspection and trial operation 55
Automatic refrigerant amount detection function 57
DB68-11976A-00_IM_DVM S2 Outdoor_SA_EN_.indd 2DB68-11976A-00_IM_DVM S2 Outdoor_SA_EN_.indd 2 2022-09-13 오전 9:34:012022-09-13 오전 9:34:01

3
English
Safety Information
Please follow the following safety information for safety of the
installer and the user.
• DVM S2 air conditioner uses R-410A refrigerant.
– When using R-410A, moisture or foreign substances may
affect the performance and reliability of the product.
Safety precautions must be obeyed when installing the
refrigerant pipe.
– The designed maximum pressure of the system is 4.1MPa
and therefore select appropriate material and thickness
according to the regulations.
– R-410A is a quasi-azeotrope of two refrigerants and it has
to be charged in liquid phase when filling the refrigerant.
(If you charge vapor refrigerant, it may change the blend of
the refrigerant and cause product malfunction.)
• You must connect the indoor units for R-410A refrigerant.
Refer to product catalog to find out the models names for
connectable indoor units. (If you connect the indoor units that
are not designed for R-410A, it cannot operated normally.)
• After completing the installation and trial operation, explain to
the user how to use and maintain the product. Also, hand over
this installation manual so that it can be stored by the user.
• Manufacturer is not responsible for the incidents occurred by
improper installation. Installer is responsible for any installation
related claims from the user occurred by neglecting warnings
and cautions stated in this manual. (Installer will be responsible
for any service charges that may occur)
• Generally, system air conditioners should not be relocated
after installation. But when it has to be relocated for inevitable
reasons, please contact Samsung’s qualified dealers for system
air conditioners.
WARNING
• Hazards or unsafe practices that may result in severe personal
injury or death.
CAUTION
• Hazards or unsafe practices that may result in minor personal
injury (to installer/user) or property damage.
General information
WARNING
• Consult qualified installer or dealer for installation.
– When installation is done by unqualified person, problems
such as water leakage, electric shock or fire may occur.
• Installation work must be done properly according to this
installation manual.
– When installation is not done properly, it may cause water
leakage, electric shock or fire.
• When installing the unit in a small room, take measure to keep
the refrigerant concentration from exceeding allowable safety
limits in case of refrigerant leakage. Consult the dealer for
precautionary measure before the installation.
– When refrigerant leaks and exceed dangerous
concentration level, it may cause suffocation accidents.
• If any gas or impurities, except R-410A refrigerant, come into
the refrigerant pipe, serious problem may occur and it may
cause injury.
• Use the supplied accessories, specified components and tools
for the installation.
– Do not use the pipe and the installation product used for
refrigerants except R-410A.
– Failure to use the specified components can cause product
fall down, water leakage, electrical shock, and fire. (The
pipe and flare components used for refrigerants except
R-410A must not be used)
• Install the outdoor unit on a hard and even place that can
support its weight.
– If the place cannot support its weight, the outdoor unit may
fall down and it may cause injury.
• Check the following before installation and service work.
– Before welding, remove dangerous and inflammable things
that may cause an explosion and fire around the work.
– Before welding, remove the refrigerant from inside the
pipe or the product.
– If you perform welding while refrigerant is in the pipe, it
may increase the pressure of the refrigerant and cause
the pipe to burst. If the pipe bursts or explodes, it may
cause severe injury to the installer.
– When welding, use the nitrogen gas to eliminate oxidation
inside the pipe.
• Do not modify the product on your own.
– Potential risk of electric shock, fire, product failure or injury.
• Fix the outdoor unit securely on foundation to resist strong
wind or earthquake.
– If the outdoor unit is not properly fixed, it turns over and
accidents may occur.
• Electric work must be done by qualified persons, complying
the national wiring regulations and installed according to the
instruction stated in the installation manual with leased circuit.
– Capacity shortage on the leased circuit and improper
installation may cause electric shock or fire.
• Make sure to perform grounding work.
– Do not connect the ground wire to a gas pipe, water pipe,
lightning rod or telephone grounding. Improper grounding
could cause electric shock.
• Wiring must be connected with the designated wires and it
must be fixed securely so that it does not apply any external
force to the connection part of the terminals.
– If connection for fixation is not properly done, it may cause
heat generation or fire.
• Neatly arrange the wires in the electrical parts to make sure
that electrical cover is closed securely without any gaps.
– If the cover is not properly closed, heat may generate on
the electrical terminal and cause electric shock or fire.
• Exclusive circuit breaker (MCCB, ELB) must be installed to the
power supply.
– When overcurrent or current leakage occurs with no circuit
breaker installed, power will not be cut-off and it may
cause electric shock or fire.
– Do not use damaged parts. It may cause fire or electric shock.
• You must cut-off the power before you work on, or adjust any
power supply part for product installation, maintenance, repair
or any other services.
– There is risk of electric shock.
– Even when the power is off, it is dangerous when you come
in contact with inverter PCB, fan PCB since high pressure
DC voltage is charged to those parts.
Safety Information
Safety Information
DB68-11976A-00_IM_DVM S2 Outdoor_SA_EN_.indd 3DB68-11976A-00_IM_DVM S2 Outdoor_SA_EN_.indd 3 2022-09-13 오전 9:34:012022-09-13 오전 9:34:01

4
Safety Information
English
Safety Information
– When replacing/repairing the PCB, cut-off the power and
wait until the DC voltage is discharged before replacing/
repairing them. (Wait for more than 15 minutes to allow it
to discharge naturally.)
• If the refrigerant gas leaks during the installation, you should
ventilate the room.
– When the refrigerant gas gets in contact with flammable
substance, it may generate toxic gas.
• Gas leakage must be checked after installation is completed.
– When the refrigerant gas gets in contact with flammable
substance, it may generate toxic gas.
• You can get a frostbite if you get in contact with the leaked
refrigerant gas.
• Supply power to the product during winter time since the
product will operate in protection mode itself when the
temperature decrease below 0℃ (32℉).
– If you cut-off the power, compressor protection mode
cannot be operated and may cause damage to the product.
• Wear protective equipment (such as safety gloves, goggles,
and headgear) during installation and maintenance works.
Installation/repair technicians may be injured if protective
equipment is not properly equipped.
• This appliance is not intended for use by persons (including
children) with reduced physical, sensory or mental capabilities,
or lack of experience and knowledge, unless they have been
given supervision or instruction concerning use of the appliance
by a person responsible for their safety. Children should be
supervised to ensure that they do not play with the appliance.
For use in Europe : This appliance can be used by children aged
from 8 years and above and persons with reduced physical,
sensory or mental capabilities or lack of experience and
knowledge if they have been given supervision or instruction
concerning use of the appliance in a safe way and understand
the hazards involved. Children shall not play with the appliance.
Cleaning and user maintenance shall not be made by children
without supervision.
CAUTION
• Do not install the drain pipe directly to the bottom part of the
outdoor unit and built a proper drainage so that water drains
out smoothly. If not, pipe may freeze or bursts during winter
time and cause damage to the product orwater leakage.
– When the draining work is not done properly, water leak
may occur and cause property damage.
• Install the power cable and communication cable of the indoor
and outdoor unit at least 1.5m (4.92ft) away from the electric
appliances and install it at least 2m (6.56ft) away from the
lightning conductor.
– Noise may be generated from the electronic devices,
depending on the status of the electric wave.
• Install the outdoor unit within the angle stated in the table,
according to the height of the building.
– Do not leave the refrigerant container under the hot
sunlight. (There is risk of explosion.)
– You must use the appropriate pipes according to the
standard since the pressure of the refrigerant is high.
– Make sure that the pipes does not get any weaker by
welding it too much.
– Make sure to install the product away from children’s’
reach. (Sharp parts of the heat exchanger may cause
personal injury and when parts of the product gets
damage, it may decrease product’s performance.)
Lightning rod
Protection angle: 25˚~55˚
Height of the building Protection angle
20m(65.6 ft) or less 55˚
40m(131.2 ft) or less 35˚
60m(196.9 ft) or less 25˚
• Install the indoor unit away from lighting apparatus that uses
ballast stabilizer.
– If you use the wireless remote control, it may not operate
normally due to ballast stabilizer.
• Do not install the product in following places.
– Place where outdoor unit’s noise and warm air may disturb
neighbors. (It may cause property loss.)
– Do not leave any obstacles around the inlet and outlet of
the product. (It may cause damage or accidents.)
– The place where there is mineral oil or arsenic acid.
– Those parts may get damaged due to burned resin and
cause water leakage or product may fall.
– The efficiency of the heat exchanger may reduce or
product may break.
– The place where corrosive gas such as sulfurous acid gas
generates from the vent pipe or air outlet.
– The copper pipe or connection pipe may corrode and
refrigerant may leak.
– The place where there is a machine that generates
electromagnetic waves.
– The air conditioner may not operate normally due to
problems in control system.
– The place where there is a danger of combustible gas
leakage or place where thinner or gasoline is handled.
– (There is risk of fire or explosion.)
– The place with carbon fiber or flammable dust.
– The place near seashore or hot spring where there is risk of
outdoor unit corrosion.
• Changes in DVM S2 (inverter) compare to conventional models
that has to noted when installing
– For optimal distribution of the refrigerant, you must use Y-joint
as branch joint for connecting outdoor units. (Do not use T-joint)
– You cannot operate normally if you do not complete the
trial operation through outdoor unit key mode. You must
use KEY MODE to run trial operation.
– Check the compatibility of other products such as indoor
unit, EEV kits etc. which will be connected to DVM S2.
– Make sure to note that outdoor unit combination is
different from DVM PLUS III, IV and DVM S.
– The length of maximum piping, level difference, the
quantity of connectable indoor units, the installation at
the outdoor joints and the outdoor unit combinations are
different from the conventional models.
– If the pipe length is over 2m (6.56ft) between outdoor units,
make traps to prevent oil stagnation. Oil stagnation may
occurwhen outdoor unit at the end of module stops while
other outdoor units are still in operation.
DB68-11976A-00_IM_DVM S2 Outdoor_SA_EN_.indd 4DB68-11976A-00_IM_DVM S2 Outdoor_SA_EN_.indd 4 2022-09-13 오전 9:34:012022-09-13 오전 9:34:01

5
English
Installation Procedure
Preparations for Outdoor Unit
Installation Procedure
Outdoor unit classification
Classification
DVM S2
Small type
DVM S2
Large type
DVM S2
X-Large type
Appearance
CAUTION
Packaging material disposition
• Safely store or dispose the packaging materials.
– Sharp metals such as nails or wooden material packaging
that may break into pieces become a cause for personal
injury.
– Make sure to store or dispose the vinyl type packaging
material to keep it out of reach of children. Children may
put them over their face, which is very dangerous since it
may lead them to suffocation.
Moving the outdoor unit
• Select the moving path in advance.
• Be sure that moving path can support weight of the outdoor unit.
• Do not slant the product more than 30˚ when carrying it. (Do
not lay the product down in sideways.)
• Surface of the heat exchanger is sharp. Be careful not to get
injured while moving the product.
• When transporting DVM S2 outdoor, be aware of the center
of gravity of the outdoor (Please refer to the center of
gravity label attached on the front panel, and remove it after
installation. )
CAUTION
• You must use certain part of the product when moving the
product.
When moving with a crane
• Fasten the wire rope as shown in the figure.
• To protect damage or scratches, insert a piece of cloth between
the outdoor unit and the wire rope.
Holes forwire rope to go through
Wire rope
When moving with a forklift
• Carefully insert the forklift forks into the forklift holes at the
bottom of the outdoor unit.
• Be careful with the forklift from damaging the product.
Forklift
Holes forforklift forks
to go through
Forklift holes
When moving the product without wooden
pallet and the crane is not available for use
• Connect a wire rope to the outdoor unit as you would move it
with a crane.
• Hang the wire rope to the forklift fork to move the outdoor unit.
Wire rope
Forklift
Outdoor unit combination
• Make sure to use an indoor unit that is compatible with DVM S2.
• Indoor units can be connected within the range indicated in
following table.
• If the total capacity of the connected indoor units exceeds the
indicated maximum capacity, cooling and heating capacity of
the indoor unit may decrease.
• Total capacity of the connected indoor units can be allowed
from 50% to 130% of the total outdoor unit capacity. 0.5 ×
Σ(Outdoor unit capacity) ≤ Total capacity of the connected
indoor units ≤ 1.3 × Σ(Outdoor unit capacity)
• Please contact your local Samsung representative or refer
to the Technical Data Book for further details if the project
requires you to design the project with a connection ratio
greater than 130 %.
• You can connect maximum 64 indoor units to the outdoor unit.
Maximum quantity of connectable indoor unit is set to 64 since
outdoor unit only support up to 64 communication address.
Indoor unit address can be assigned from 0~63. If the indoor
unit address was assigned from 64~79, E201 error will occur.
• Maximum 32 Wall-mount type indoor units with EEV
(AM****NQD*, AM****NVD*) can be connected.
• Do not install 1st-generation MCU and 2nd-generation MCU
together.
– 1st-generation MCU: MCU-S*NEE*N, MCU-S2NEK1N
– 2nd-generation MCU: MCU-S*NEK2N, MCU-S4NEK3N,
MCU-S1NEK1N
CAUTION
• Use the following table to determine the size and number of
outdoor units needed to achieve thecapacity requirements.
DB68-11976A-00_IM_DVM S2 Outdoor_SA_EN_.indd 5DB68-11976A-00_IM_DVM S2 Outdoor_SA_EN_.indd 5 2022-09-13 오전 9:34:012022-09-13 오전 9:34:01

6
Preparations for Outdoor Unit
English
Installation Procedure
Module combination forAM***CXVAFH series
Model name for
combination
Numberof
individual
outdoor
units
Rated
Capacity
Total cooling capacity
of the
connected indoorunits
Maximum
number
of connectable
indoorunits
Combined outdoorunits
AM***CXVAFH
Cooling
(Btu/h)
Heating
(Btu/h)
Minimum
(Btu/h)
Maximum
(Btu/h) 080 100 120 140 160 180 200 220 240 260
AM080CXVAFH 176,400 86,000 38,200 99,300 14 1
AM100CXVAFH 195,500 107,500 47,800 124,200 18 1
AM120CXVAFH 1114,600 129,000 57,300 149,100 21 1
AM140CXVAFH 1136,500 153,500 68,200 177,400 26 1
AM160CXVAFH 1153,500 172,000 76,800 199,600 29 1
AM180CXVAFH 1172,000 193,500 86,000 223,500 32 1
AM200CXVAFH 1191,100 215,000 95,500 248,400 36 1
AM220CXVAFH 1210,200 236,500 105,100 273,300 40 1
AM240CXVAFH 1229,300 258,000 114,700 298,200 43 1
AM260CXVAFH 1248,400 267,500 124,200 322,800 47 1
AM280CXVAFH 2268,200 301,000 134,100 348,700 51 1 1
AM300CXVAFH 2286,600 322,400 143,300 372,600 54 1 1
AM320CXVAFH 2305,700 343,900 152,900 397,500 58 1 1
AM340CXVAFH 2324,800 365,400 162,400 422,500 61 1 1
AM360CXVAFH 2343,900 386,900 172,000 447,000 64 1 1
AM380CXVAFH 2363,100 396,500 181,500 471,900 64 1 1
AM400CXVAFH 2382,200 429,900 191,100 496,800 64 2
AM420CXVAFH 2401,300 451,400 200,600 521,800 64 1 1
AM440CXVAFH 2420,400 472,900 210,200 546,700 64 2
AM460CXVAFH 2439,500 494,400 219,800 571,200 64 1 1
AM480CXVAFH 2458,600 515,900 229,300 596,100 64 2
AM500CXVAFH 2477,700 525,500 238,900 621,100 64 1 1
AM520CXVAFH 2496,800 535,000 248,400 646,000 64 2
AM540CXVAFH 3515,900 580,400 258,000 670,900 64 1 1 1
AM560CXVAFH 3535,000 601,900 267,500 695,400 64 1 2
AM580CXVAFH 3554,100 623,400 277,100 720,400 64 1 1 1
AM600CXVAFH 3573,200 644,900 286,600 745,300 64 1 2
AM620CXVAFH 3592,300 654,400 296,200 770,200 64 1 1 1
AM640CXVAFH 3611,500 664,000 305,800 795,100 64 1 2
AM660CXVAFH 3630,600 709,400 315,300 819,700 64 3
AM680CXVAFH 3649,700 730,900 324,900 844,600 64 2 1
AM700CXVAFH 3668,800 740,400 334,400 869,500 64 2 1
AM720CXVAFH 3687,900 761,900 344,000 894,400 64 111
AM740CXVAFH 3707,000 783,400 353,500 919,300 64 2 1
AM760CXVAFH 3726,100 793,000 363,100 943,900 64 1 2
AM780CXVAFH 3745,200 802,500 372,600 968,800 64 3
AM800CXVAFH 4764,300 859,900 382,200 993,700 64 1 2 1
AM820CXVAFH 4783,400 881,400 391,700 1,018,600 64 1 1 2
AM840CXVAFH 4802,500 902,900 401,300 1,043,500 64 1 3
AM860CXVAFH 4821,600 912,400 410,900 1,068,100 64 1 2 1
AM880CXVAFH 4840,800 922,000 420,400 1,093,000 64 1 1 2
AM900CXVAFH 4 859,900 931,500 430,000 1,117,900 64 1 3
AM920CXVAFH 4 879,600 965,000 439,900 1,143,500 64 1 1 2
AM940CXVAFH 4 898,800 974,500 449,400 1,168,400 64 1 3
AM960CXVAFH 4 917,200 1,007,900 458,600 1,192,300 64 2 2
AM980CXVAFH 4 936,300 1,029,400 468,200 1,217,200 64 1 1 2
DB68-11976A-00_IM_DVM S2 Outdoor_SA_EN_.indd 6DB68-11976A-00_IM_DVM S2 Outdoor_SA_EN_.indd 6 2022-09-13 오전 9:34:022022-09-13 오전 9:34:02

7
English
Installation Procedure
Module combination forAM***CXVAFC series
Model name for
combination
Numberof
individual
outdoor
units
Rated
Capacity
Total cooling capacity
of the
connected indoorunits
Maximum
number
of connectable
indoorunits
Combined outdoorunits
AM***CXVAFC
Cooling
(Btu/h)
Heating
(Btu/h)
Minimum
(Btu/h)
Maximum
(Btu/h) 080
100 120 140 160 180 200 220 240 260
AM080CXVAFC 176,400 -38,200 99,300 14 1
AM100CXVAFC 195,500 -47,800 124,200 18 1
AM120CXVAFC 1114,600 -57,300 149,100 21 1
AM140CXVAFC 1136,500 -68,200 177,400 26 1
AM160CXVAFC 1153,500 -76,800 199,600 29 1
AM180CXVAFC 1172,000 -86,000 223,500 32 1
AM200CXVAFC 1191,100 -95,500 248,400 36 1
AM220CXVAFC 1210,200 -105,100 273,300 40 1
AM240CXVAFC 1229,300 -114,700 298,200 43 1
AM260CXVAFC 1248,400 -124,200 322,800 47 1
AM280CXVAFC 2268,200 -134,100 348,700 51 1 1
AM300CXVAFC 2286,600 -143,300 372,600 54 1 1
AM320CXVAFC 2305,700 -152,900 397,500 58 1 1
AM340CXVAFC 2324,800 -162,400 422,500 61 1 1
AM360CXVAFC 2343,900 -172,000 447,000 64 1 1
AM380CXVAFC 2363,100 -181,500 471,900 64 1 1
AM400CXVAFC 2382,200 -191,100 496,800 64 1 1
AM420CXVAFC 2401,300 -200,600 521,800 64 1 1
AM440CXVAFC 2420,400 -210,200 546,700 64 2
AM460CXVAFC 2439,500 -219,800 571,200 64 1 1
AM480CXVAFC 2458,600 -229,300 596,100 64 2
AM500CXVAFC 2477,700 -238,900 621,100 64 1 1
AM520CXVAFC 2496,800 -248,400 646,000 64 2
AM540CXVAFC 3515,900 -258,000 670,900 64 1 1 1
AM560CXVAFC 3535,000 -267,500 695,400 64 1 2
AM580CXVAFC 3554,100 -277,100 720,400 64 1 1 1
AM600CXVAFC 3573,200 -286,600 745,300 64 1 2
AM620CXVAFC 3592,300 -296,200 770,200 64 1 1 1
AM640CXVAFC 3611,500 -305,800 795,100 64 1 2
AM660CXVAFC 3630,600 -315,300 819,700 64 111
AM680CXVAFC 3649,700 -324,900 844,600 64 2 1
AM700CXVAFC 3668,800 -334,400 869,500 64 2 1
AM720CXVAFC 3687,900 -344,000 894,400 64 111
AM740CXVAFC 3707,000 -353,500 919,300 64 2 1
AM760CXVAFC 3726,100 -363,100 943,900 64 1 2
AM780CXVAFC 3745,200 -372,600 968,800 64 3
AM800CXVAFC 4764,300 -382,200 993,700 64 1 2 1
AM820CXVAFC 4783,400 -391,700 1,018,600 64 1 1 2
AM840CXVAFC 4802,500 -401,300 1,043,500 64 1 3
AM860CXVAFC 4821,600 -410,900 1,068,100 64 1 2 1
AM880CXVAFC 4840,800 -420,400 1,093,000 64 1 1 2
AM900CXVAFC 4859,900 -430,000 1,117,900 64 1 3
AM920CXVAFC 4879,600 -439,900 1,143,500 64 1 1 2
AM940CXVAFC 4898,800 -449,400 1,168,400 64 1 3
AM960CXVAFC 4917,200 -458,600 1,192,300 64 2 2
AM980CXVAFC 4936,300 -468,200 1,217,200 64 1 1 2
DB68-11976A-00_IM_DVM S2 Outdoor_SA_EN_.indd 7DB68-11976A-00_IM_DVM S2 Outdoor_SA_EN_.indd 7 2022-09-13 오전 9:34:022022-09-13 오전 9:34:02

8
Preparations for Outdoor Unit
English
Installation Procedure
Module combination forAM***CXVAJH series
Model name for
combination
Numberof
individual
outdoor
units
Rated
Capacity
Total cooling capacity
of the
connected indoorunits
Maximum
number
of connectable
indoorunits
Combined outdoorunits
AM***CXVAJH
Cooling
(Btu/h)
Heating
(Btu/h)
Minimum
(Btu/h)
Maximum
(Btu/h) 080 100 120 140 160 180 200 220 240 260
280 300 320 340
AM080CXVAJH 176,400 86,000 38,200 99,300 14 1
AM100CXVAJH 195,500 107,500 47,800 124,200 18 1
AM120CXVAJH 1114,600 129,000 57,300 149,100 21 1
AM140CXVAJH 1136,500 153,500 68,200 177,400 26 1
AM160CXVAJH 1153,500 172,000 76,800 199,600 29 1
AM180CXVAJH 1172,000 193,500 86,000 223,500 32 1
AM200CXVAJH 1191,100 215,000 95,500 248,400 36 1
AM220CXVAJH 1210,200 236,500 105,100 273,300 40 1
AM240CXVAJH 1229,300 258,000 114,700 298,200 43 1
AM260CXVAJH 1248,400 267,500 124,200 322,800 47 1
AM280CXVAJH 1268,200 301,000 134,100 348,700 51 1
AM300CXVAJH 1286,600 322,400 143,300 372,600 54 1
AM320CXVAJH 1305,700 343,900 152,900 397,500 58 1
AM340CXVAJH 1324,800 365,400 162,400 422,500 61 1
AM360CXVAJH 2343,900 386,900 172,000 447,000 64 1 1
AM380CXVAJH 2363,100 396,500 181,500 471,900 64 1 1
AM400CXVAJH 2382,200 429,900 191,100 496,800 64 1 1
AM420CXVAJH 2401,300 451,400 200,600 521,800 64 1 1
AM440CXVAJH 2420,400 472,900 210,200 546,700 64 2
AM460CXVAJH 2439,500 494,400 219,800 571,200 64 1 1
AM480CXVAJH 2458,600 515,900 229,300 596,100 64 2
AM500CXVAJH 2477,700 525,500 238,900 621,100 64 1 1
AM520CXVAJH 2496,800 535,000 248,400 646,000 64 2
AM540CXVAJH 3515,900 580,400 258,000 670,900 64 1 1 1
AM560CXVAJH 3535,000 601,900 267,500 695,400 64 1 2
AM580CXVAJH 3554,100 623,400 277,100 720,400 64 1 1 1
AM600CXVAJH 3573,200 644,900 286,600 745,300 64 1 2
AM620CXVAJH 3592,300 654,400 296,200 770,200 64 1 1 1
AM640CXVAJH 3611,500 664,000 305,800 795,100 64 1 2
AM660CXVAJH 3630,600 709,400 315,300 819,700 64 111
AM680CXVAJH 3649,700 730,900 324,900 844,600 64 2 1
AM700CXVAJH 3668,800 740,400 334,400 869,500 64 2 1
AM720CXVAJH 3687,900 761,900 344,000 894,400 64 111
AM740CXVAJH 3707,000 783,400 353,500 919,300 64 2 1
AM760CXVAJH 3726,100 793,000 363,100 943,900 64 1 2
AM780CXVAJH 3745,200 802,500 372,600 968,800 64 3
AM800CXVAJH 4764,300 859,900 382,200 993,700 64 1 2 1
AM820CXVAJH 4783,400 881,400 391,700 1,018,600 64 1 1 2
AM840CXVAJH 4802,500 902,900 401,300 1,043,500 64 1 3
AM860CXVAJH 4821,600 912,400 410,900 1,068,100 64 1 2 1
AM880CXVAJH 4840,800 922,000 420,400 1,093,000 64 1 1 2
AM900CXVAJH 4859,900 931,500 430,000 1,117,900 64 1 3
AM920CXVAJH 4879,600 965,000 439,900 1,143,500 64 1 1 2
AM940CXVAJH 4898,800 974,500 449,400 1,168,400 64 1 3
AM960CXVAJH 4917,200 1,007,900 458,600 1,192,300 64 2 2
AM980CXVAJH 4936,300 1,029,400 468,200 1,217,200 64 1 1 2
DB68-11976A-00_IM_DVM S2 Outdoor_SA_EN_.indd 8DB68-11976A-00_IM_DVM S2 Outdoor_SA_EN_.indd 8 2022-09-13 오전 9:34:032022-09-13 오전 9:34:03

9
English
Installation Procedure
Module combination forAM***CXVAJC series
Model name for
combination
Numberof
individual
outdoor
units
Rated
Capacity
Total cooling capacity
of the
connected indoorunits
Maximum
number
of connectable
indoorunits
Combined outdoorunits
AM***CXVAJC
Cooling
(Btu/h)
Heating
(Btu/h)
Minimum
(Btu/h)
Maximum
(Btu/h) 080 100 120 140 160 180 200 220 240 260
280 300 320 340
AM080CXVAJC 176,400 -38,200 99,300 14 1
AM100CXVAJC 195,500 -47,800 124,200 18 1
AM120CXVAJC 1114,600 -57,300 149,100 21 1
AM140CXVAJC 1136,500 -68,200 177,400 26 1
AM160CXVAJC 1153,500 -76,800 199,600 29 1
AM180CXVAJC 1172,000 -86,000 223,500 32 1
AM200CXVAJC 1191,100 -95,500 248,400 36 1
AM220CXVAJC 1210,200 -105,100 273,300 40 1
AM240CXVAJC 1229,300 -114,700 298,200 43 1
AM260CXVAJC 1248,400 -124,200 322,800 47 1
AM280CXVAJC 1268,200 -134,100 348,700 51 1
AM300CXVAJC 1286,600 -143,300 372,600 54 1
AM320CXVAJC 1305,700 -152,900 397,500 58 1
AM340CXVAJC 1324,800 -162,400 422,500 61 1
AM360CXVAJC 2343,900 -172,000 447,000 64 1 1
AM380CXVAJC 2363,100 -181,500 471,900 64 1 1
AM400CXVAJC 2382,200 -191,100 496,800 64 1 1
AM420CXVAJC 2401,300 -200,600 521,800 64 1 1
AM440CXVAJC 2420,400 -210,200 546,700 64 2
AM460CXVAJC 2439,500 -219,800 571,200 64 1 1
AM480CXVAJC 2458,600 -229,300 596,100 64 2
AM500CXVAJC 2477,700 -238,900 621,100 64 1 1
AM520CXVAJC 2496,800 -248,400 646,000 64 2
AM540CXVAJC 3515,900 -258,000 670,900 64 1 1 1
AM560CXVAJC 3535,000 -267,500 695,400 64 1 2
AM580CXVAJC 3554,100 -277,100 720,400 64 1 1 1
AM600CXVAJC 3573,200 -286,600 745,300 64 1 2
AM620CXVAJC 3592,300 -296,200 770,200 64 1 1 1
AM640CXVAJC 3611,500 -305,800 795,100 64 1 2
AM660CXVAJC 3630,600 -315,300 819,700 64 111
AM680CXVAJC 3649,700 -324,900 844,600 64 2 1
AM700CXVAJC 3668,800 -334,400 869,500 64 2 1
AM720CXVAJC 3687,900 -344,000 894,400 64 111
AM740CXVAJC 3707,000 -353,500 919,300 64 2 1
AM760CXVAJC 3726,100 -363,100 943,900 64 1 2
AM780CXVAJC 3745,200 -372,600 968,800 64 3
AM800CXVAJC 4764,300 -382,200 993,700 64 1 2 1
AM820CXVAJC 4783,400 -391,700 1,018,600 64 1 1 2
AM840CXVAJC 4802,500 -401,300 1,043,500 64 1 3
AM860CXVAJC 4821,600 -410,900 1,068,100 64 1 2 1
AM880CXVAJC 4840,800 -420,400 1,093,000 64 1 1 2
AM900CXVAJC 4859,900 -430,000 1,117,900 64 1 3
AM920CXVAJC 4879,600 -439,900 1,143,500 64 1 1 2
AM940CXVAJC 4898,800 -449,400 1,168,400 64 1 3
AM960CXVAJC 4917,200 -458,600 1,192,300 64 2 2
AM980CXVAJC 4936,300 -468,200 1,217,200 64 1 1 2
DB68-11976A-00_IM_DVM S2 Outdoor_SA_EN_.indd 9DB68-11976A-00_IM_DVM S2 Outdoor_SA_EN_.indd 9 2022-09-13 오전 9:34:032022-09-13 오전 9:34:03

10
English
Installation Procedure
Choosing the installation location
Outdoorunit location requirements
Decide the installation location, with the consideration of the
following conditions, under user’s approval.
• Place where hot discharge air or noise from the outdoor unit may not
disturb the neighbor (Especially in residential areas, keep the operation
hours in mind.)
• Place where structure can bear the weight and vibration of the outdoorunit.
• Place with flat surface where rainwaterdoes not settle or leak.
• Place where it is not exposed to strong wind.
• Well ventilated place with sufficient service place forrepairs and
maintenance. (Discharge duct must be purchased separately in yourlocal
market.)
• Place where you can connect the refrigerant pipes between indoorand
outdoor units within allowable distance.
• Place where it allows easywaterproofing and draining work forthe
condensation water generated from the outdoorunit during heating
operation.
• Place where there is no risk of inflammable gas leakage.
• Place where there is no direct influence of snow or rain.
• Place where a large amount of water generated by external environment
does not directly affect the top of the outdoorunit.
Installation Guide at the seashore
Make sure to follow below guides when installing at the seashore.
1 Do not install the product in a place where it is directly exposed to sea
waterand sea breeze.
– Make sure to install the product behind a structure (such as
building) that can block see breeze.
– Even when it is inevitable to install the product in seashore,
make sure that product is not directly exposed to sea breeze by
installing a protection wall.
Protection wall should be constructed with a solid material that can block the
sea breeze and the height and width of the wall should be1.5 times largerthan
the size of the outdoorunit. (You must secure more than 700mm (28inch) of
space between the protection wall and the outdoor unit foraircirculation.)
Sea
Sea breeze
Outdoor
unit
Outdoor unit
Protection wall
※ As we cannot guarantee that the corrosion resistance
model(AM***AXVAFCAAZ) can prevent corrosion completely, we
recommend that you install a protection wall or install the outdoor
unit behind a structure(such as building) that can block sea breeze.
2 Considerthat the salinity particles clinging to the external panels
should be sufficientlywashed out.
3 Because the residual water at the bottom of the outdoor unit
significantly promotes corrosion,
make sure that the slope does not disturb drainage.
– Keep the floorlevel so that rain does not accumulate.
– Be careful not to block the drain hole due to foreign substance
4 When product is installed in seashore, periodically clean it with
waterto remove attached salinity.
5 Make sure to install the product in a place that provides
smooth water drainage. Especially, ensure that the base part
has good drainage.
6 If the product is damaged during the installation or
maintenance, make sure to repair it.
7 Check the condition of the product periodically.
– Check the installation site every 3 months and perform anti-
corrosion treatment such as R-Pro supplied by SAMSUNG
(Code : MOK-220SA) or commercial water repellent grease
and wax, etc., based on the product condition.
– When the product is to be shut down for a long period of
time, such as off-peak hours, take appropriate measures
like covering the product.
8 If the product installed within 500m (1640ft) of seashore,
special anti-corrosion treatment is required.
※ Please contact your local SAMSUNG representative for
further details.
If you cannot find a proper location to install the outdoor unit,
consult with an expert or specialty store.
Sea
Sea breeze
Outdoor
unit
Sea
Sea breeze
Outdoor unit
Outdoor
unit
CAUTION
• System air conditioner may cause static noise when listening
to AM stations. Therefore, select an installation location for
indoor unit where electrical wiring can be done while keeping
certain distance from a radio, computer and stereo equipment.
– Especially, keep the unit at least 3m (9.84ft) away from the
electrical equipment in an area with weak electromagnetic
waves and put the main power cable and communication
cables in a separately installed protection tube.
– Make sure that there is no equipment that generates
electromagnetic waves. If not electromagnetic waves may
cause problem to the control systems which may lead to air
conditioner malfunction. (Example: Remote control sensor
of the indoor unit may not receive the signal very well, due
to ballast stabilizer of the lighting equipment.)
• In regions with heavy snowfall, make sure to install the outdoor
unit where there is no concerns of direct snowfall on the outdoor
unit. Also, build higher base support so that accumulated snow
does not block the air inlet or the heat exchanger.
• R-410A refrigerant is a safe, nontoxic and nonflammable
refrigerant. However, if the place holds any concerns for
exceeding dangerous level of refrigerant concentration in case
of refrigerant leakage, extra ventilation system is required.
DB68-11976A-00_IM_DVM S2 Outdoor_SA_EN_.indd 10DB68-11976A-00_IM_DVM S2 Outdoor_SA_EN_.indd 10 2022-09-13 오전 9:34:032022-09-13 오전 9:34:03

11
English
Installation Procedure
• When you install the outdoor unit in high places such as a roof,
install fence or guardrail around it. When there is no fence or
guardrail, service person could fall.
• Do not install the product in places where corrosive gases such
as sulfur oxides, ammonia, and sulfurous gas are produced. (e.g.
Toilet outlet, ventilation opening, sewage works, dyeing complex,
cattle shed, sulfuric hot spring, nuclear power plant, ship etc.)
When installing the product in those places, contact an installation
specialty store as the copper pipe and brazing part will need
additional corrosion proof or anti-rust additive to prevent corrosion.
• Make sure not to keep any inflammable materials (such as
wooden materials, oil etc.) around the outdoor unit. When
there’s fire, those inflammable material will easily catch the
fire and may pass it on to the product.
• Depending on the condition of power supply, unstable power or
voltage any cause malfunction of the parts or control system. (At
the ship or places using power supply from electric generator...etc)
• Make sure to install MCU when using HR products.
• When you select the location to install the MCU, the location is
far away from indoor rooms because the refrigerant running of
MCU may create noise.
Outdoorunit space requirements
• Space requirement was decided based on following conditions;
Cooling mode, outdoor temperature of 35℃ (95℉). Larger
space is required if the outdoor temperature is higher than
35℃ (95℉) or if the place is heated easily by quantity of solar
radiation.
• When you secure installation space, consider path for people
and the direction of the wind.
• Secure installation space as shown in the below illustration,
considering ventilation and the service space.
• If the installation space is narrow, installer or otherworker may get
injured during work and may also cause problem to the product.
• If you install multiple number of outdoor units in one space,
make sure to secure enough ventilation space if there’s any
walls around the product that may disturb the air flow. If enough
ventilation space is not secured, product may malfunction.
• You may install the outdoor units with 20mm (0.78inch) of
space between the product, but product’s performance may
decrease depending on the installation environment.
Single installation
Unit : mm (inch)
<Case 2>
Height of the wall is
unlimited
Over100 (4)
Over 300 (12)
Front
side
Over100
(4) (S2)
Over 500
(20) (S1)
Over100 (4)
Front
side Over100 (4)
<Case 1>
Module installation
Unit : mm (inch)
<Case 3>
Over 500
(20)
Over 500
(20)
Over 600
(24)
Over100 (4) Over100 (4)
Over100
(4)
Over100 (4)
Over100 (4) Over100 (4)Over100 (4) Over100
(4)
Front side
Front side
<Case 2>
Over 200 (8)
Over 300 (12)
Over 400
(16)
Over 400
(16)
Height of
the wall is
unlimited
Front
side
<Case 1>
Over100 (4)
Over 300
(12) (S2)
Over 500
(20) (S1)
Over100 (4)
Over
100 (4)
Over100(4)
Front
side
• For <Case 1> or <Case 3>
– Height of the wall on the front side should not be higher
than 1500mm (60inch).
– Height of the wall on the air inlet side should not be higher
than 500mm (20inch).
– Height of the wall on the side is not limited.
– If the height of the wall exceeds by certain value (h1, h2),
additional clearance [(h1)/2, (h2)/2 : Half of the exceeded
height] should be added to the service space (S1, S2).
1500 (60) h1
500 (20) h2
Front side
Air inlet side
S1+h1/2 S2+h2/2
Unit : mm (inch)
DB68-11976A-00_IM_DVM S2 Outdoor_SA_EN_.indd 11DB68-11976A-00_IM_DVM S2 Outdoor_SA_EN_.indd 11 2022-09-13 오전 9:34:042022-09-13 오전 9:34:04

12
Preparing materials and tools
English
Installation Procedure
Preparing materials and tools
• You must keep the installation manual until the installation is
finished.
• Hand over the installation manual to the customer after
finishing the installation.
Installation manual (1) Packing socket (1)
※ Certain models are supplied with a packing socket. The socket
type may differ, depending on the model.
Optional accessories
• Following optional accessories are needed for connecting
pipes between the indoor and outdoor units.
Classification Model Name Specification
MBH kW
Y-Joint
MXJ-YA1509M 51 and below 15.0 and below
MXJ-YA2512M 52~136 15.1 ~40.0
MXJ-YA2812M 137~154 40.1 ~45.0
MXJ-YA2815M 155~240 45.1 ~70.3
MXJ-YA3419M 241~336 70.4 ~98.4
MXJ-YA4119M 337~461 98.5 ~135.2
MXJ-YA4422M Over 461 Over135.2
Classification Model Name Specification
MBH kW
Y-Joint
(Only H/R)
MXJ-YA1500M 76 and below 22.4 and below
MXJ-YA2500M 77~240 22.5 ~70.3
MXJ-YA3100M 241~461 70.4 ~135.2
MXJ-YA3800M Over 461 Over135.2
Distribution
header
MXJ-HA2512M 154 and below
(for 4 rooms)
45.0 and below
(for 4 rooms)
MXJ-HA3115M 240 and below
(for 8 rooms)
70.3 and below
(for 8 rooms)
MXJ-HA3819M 241 ~ 461
(for 8 rooms)
70.4 ~ 135.2
(for 8 rooms)
Y-Joint
- Outdoor unit
MXJ-TA3819M 461 and below 135.2 and
below
MXJ-TA4422M Over 461 Over135.2
Y-Joint
(Only H/R)
- Outdoor unit
MXJ-TA3100M 461 and below 135.2 and
below
MXJ-TA3800M Over 461 Over135.2
※ If you use an indoor unit with no internal EEV(Electric
Expansion Valve), you will need an EEV kit.
※ Only use the genuine accessories listed in above table and do
not use imitated accessories.
Outdoor unit installation
WARNING
• Make sure to remove the wooden pallet before installing the
outdoor unit. If you do not remove the wooden pallet, there
is risk of fire during welding the pipes. If the outdoor unit is
installed with wooden pallet on, and it was used for long period
time, wooden palette may break and cause electrical hazard or
high pressure may damage the pipes.
※ Fix an outdoor unit firmly on the base ground with anchor
bolts.
※ Manufacturer is not responsible for the damage occurred by
not following the installation standards.
1 Make sure that the height of the base ground is 200mm
(8inch) or higher to protect the outdoor unit from rain water or
other external conditions. Also, install a draining pit around the
base ground and connect the drain pipe to the drainage.
2 Considering the vibration and weight of the outdoor unit,
strength of the base ground must be strong to prevent noise
and the top surface of it should be flat.
3 Base ground should be 1.5 times larger than the bottom of the
outdoor unit.
4 Outdoor unit must be fixed firmly so that it can withstand the
wind speed of 30m/s. If you cannot fix the outdoor unit on the
base ground, fix it by side or use extra structure.
5 In heating operation, defrost water may form so you must
really care about the drainage and waterproofing the floor. To
prevent defrost water from stagnating or freezing, construct
a drainage with over1/50 slope. (Ice may form on the floor in
winter season.)
6 It is necessary to add wire mesh or steel bar during concrete
construction for the base ground to prevent damages or
cracks.
7 When installing multiple outdoor units at the same place,
construct an H beam or an anti-vibration frame on the base
ground to install the outdoor unit.
8 After installing an H beam or an anti-vibration frame, apply
corrosion protection and other necessary coating.
9 When concrete construction for outdoor unit installation is
completed, install an anti-vibration pad (t=20mm/0.78inch or
more) or an anti-vibration frame to prevent vibration of the
outdoor unit from transferring to the base ground.
10 Place the outdoor unit on an H beam or an anti-vibration frame
and fix it with the bolt, nut and washer. (The bearing force has
to be over 3.5kN)
DB68-11976A-00_IM_DVM S2 Outdoor_SA_EN_.indd 12DB68-11976A-00_IM_DVM S2 Outdoor_SA_EN_.indd 12 2022-09-13 오전 9:34:042022-09-13 오전 9:34:04

13
English
Installation Procedure
Base ground construction
Unit : mm (inch)
<When installing on the ground>
Draining pit Over 200 (8)
<When installing on the roof>
Bottom surface of the base ground
must be horizontally leveled
Over 200 (8)
Over 200 (8)
Outdoor unit installation
Unit : mm (inch)
Base
ground
H beam or anti-
vibration frame
Over
200 (8)
Over 200 (8)
Over 50 (2)
Outdoorunit base mount and anchor
bolt position
A
B
C
54
(2.13)
730 (28.75)
765 (30.12)
54 (2.13)
Outdoor unit - Anti-vibration
frame [4/8-Φ12(0.47)]
Anti-vibration - Base ground
[4-Φ18(0.71)]
Unit : mm (inch)
Unit : mm (inch)
Classification DVM S2
Small type
DVM S2
Large type
DVM S2
X-Large type
A930 (36.6) 1295 (51) 1860 (73.2)
B790 (31.1) 1155 (45.5) 1720 (67.7)
C - - 150 (5.9)
※ Refer to the blueprints in technical data book to make a holes
for connecting the anti-vibration pad.
Examples of draining work
• Construct the drainage ditch with reinforced concretes and
make sure that water-proofing work is done.
• For smooth draining of defrost water, make sure to apply1/50
slope.
• Construct a drainage around the outdoor unit to prevent
the defrost water (from the outdoor unit) from stagnating,
overflowing or freezing near the installation space.
• When the outdoor unit is installed on the roof, check the
strength and waterproof status of the roof.
Unit : mm (inch)
960 (37.80)
760 (29.92)100 (3.94)
80 (3.15)
80 (3.15)
80 (3.15)
60°
120 (4.73)
XX’
Direction of
the drainage
(Slope 1/50)
<Drainage work for single installation>
B
A
50 (1.97)
100
(3.94)
150 (5.91) 100 (3.94)
<X-X’ SECTION>
80 (3.15)
80
(3.15)
80
(3.15)
80
(3.15)
80
(3.15)
80
(3.15)
80
(3.15)
80
(3.15)
60°
60°
240
(9.45)
B B
240
(9.45)
Direction
of the
drainage
(Slope 1/50)
<Drainage work for module installation>
Unit : mm (inch)
Classification DVM S2
Small type
DVM S2
Large type
DVM S2
X-Large type
A1030 (40.6) 1395 (54.9) 1960 (77.2)
B790 (31.1) 1155 (45.5) 1720 (67.7)
DB68-11976A-00_IM_DVM S2 Outdoor_SA_EN_.indd 13DB68-11976A-00_IM_DVM S2 Outdoor_SA_EN_.indd 13 2022-09-13 오전 9:34:052022-09-13 오전 9:34:05

14
Outdoor unit installation
English
Installation Procedure
CAUTION
• Cautions regarding on connecting the anchor bolt
– Tighten the rubberwasher to prevent the bolt connection
part of the outdoor unit from corroding.
Rubber washer
– Anchor specification
Size
Diameter
of drill
bit (a)
Anchor
length (b)
Sleeve
length (c)
Insert
depth
Fastening
torque
Ø 10 14mm
(1/2”)
75mm
(3”)
40mm
(1-1/2”)
50mm
(2”) 30 N·m
※ Use the anchor bolts and nuts that is zinc plated or made of
STS material. Regular anchor bolts or nuts may get damaged
by corrosion.
a
m
c
b
• Cautions regarding on connecting the pipe
– If you install the outdoor unit on the rooftop, check the
strength and make sure to waterproof the rooftop.
– Construct draining pit around the base construction and
pay attention to the drainage around the outdoor unit.
(Condensation or defrost water may form during outdoor
unit operation.)
– If there's any possibility of small animals from entering the
pipe outlet, block the outlet as shown in the illustration.
Liquid side pipe
Gas side pipe
Block the part. (When withdrawing the pipe
from the front side)
• Cautions regarding on anti-vibration frame installation
– During installation, make sure there is no gap between the
base ground and the supporting structures such as anti-
vibration frame or H beam.
– Base ground must be constructed strongly to support the
bottom part of the anti-vibration mount.
– After installing the anti-vibration frame, untighten the
fixing part on the top and bottom part of the frame.
• Caution for installing discharge duct
– Static pressure of the discharge duct should be within the
standard specification when installing the duct.
– If you remove the fan guard to install the discharge duct,
make sure to install a safety net on the duct outlet. Foreign
substance may enter into the product and there could be a
risk of personal injury.
– Wear protection equipment at all times when making
galvanized sheet metal duct, since the worker may get
injured by the sharp parts.
– When installing the outdoor unit under the tree or near
forest, leafs may get into the product and cause problems
on the product. Therefore, install a discharge duct to
prevent foreign substance infiltration.
<Preventing foreign substance infiltration>
Installing the outdoor unit in various
environments
Installing the outdoor unit around the obstacles
• It is necessary to install a discharge guide duct(field supply) to
direct exhaust from the fan horizontally, when it is difficult to
provide a minimum space of 2m (6.56ft) between the air outlet
and a nearby obstacle.
Upper floor
Discharged air
Ex.) Balcony
Discharged air
Grille/louver
Suction air
Ex.) Mechanical room
DB68-11976A-00_IM_DVM S2 Outdoor_SA_EN_.indd 14DB68-11976A-00_IM_DVM S2 Outdoor_SA_EN_.indd 14 2022-09-13 오전 9:34:052022-09-13 오전 9:34:05

15
English
Installation Procedure
WARNING
• Should adopt bar type louver. Don’t use a type of rain
resistance louver.
[Bar type louver] [Rain resistance louver]
• Louver specifications.
– Angle criteria : less than 20˚
– Opening ratio criteria : greater than 80%
Installing the outdoor unit in cold region
• In cold regions with lots of snowfall, install a snow prevention
duct, as a sufficient countermeasure, to prevent snow from
accumulating on the outdoor unit. When the snow prevention
duct is not installed, frost may accumulate on the heat
exchanger and heating operation may not work normally.
• Air outlet of the duct should not be directed to the enclosed space.
CAUTION
• Cautions regarding on installing the frame and selecting the
base ground
– Height (h) of the frame and the base ground should be
higher than the “heaviest expected snowfall”.
– Area of the frame and the base ground should not be larger
than the are of the outdoor unit. Snow may accumulate if
the area of the frame or the base ground is larger.
h
h
Installing the outdoor unit in windy region
• In windy regions such as near sea shores, protection wall or
wind protection duct must be installed for normal operation
of the outdoor unit. (Refer to the illustration of the snow
prevention duct, for installing the wind protection duct.)
• Install the wind prevention duct with the consideration of
major wind direction. If the direction of the discharge part is
same as major direction of the wind, it could cause product’s
performance decrease.
CAUTION
• Cautions regarding on installing the frame and selecting the
base ground
– The base ground must be solid and the outdoor unit must
be fixed with anchor bolts.
– Make sure to install outdoor unit in a place strong enough
to withstand its weight. If the place cannot withstand the
weight of the outdoor unit, outdoor unit may fall and cause
personal injury.
– When installing on a rooftop subject to strong wind,
countermeasures must be taken to prevent the unit from
falling down.
– Use a frame that is resistant to corrosion.
DB68-11976A-00_IM_DVM S2 Outdoor_SA_EN_.indd 15DB68-11976A-00_IM_DVM S2 Outdoor_SA_EN_.indd 15 2022-09-13 오전 9:34:062022-09-13 오전 9:34:06

16
Outdoor unit installation
English
Installation Procedure
780 (30.7) 780 (30.7)
150 (5.9)
2956 (116.4)
610 (24)
673 (26.5)
99 (3.9)
721 (28.4)
84 (3.3)
723 (28.5) 563
(22.2)
1228 (48.3)
2351 (92.6)
640 (25.2)
1711 (67.4)
2351 (92.6)
1229 (48.4)
1261 (49.6)
1507 (59.3)
548 (21.6) 548 (21.6) 965 (38) 1860 (73.2)
DVM S2 X-Large Type
Unit : mm (inch)
780 (30.7)
2026 (79.8)
1136 (44.7) 548 (21.6) 1302 (51.3) 548 (21.6) 965 (38)
2398 (94.4)
311 (12.2)
610 (24)
610 (24)
673 (26.5)
350
(13.8)
99 (3.9)
721 (28.4)
640 (25.2)
571 (22.5) 723 (28.5) 563 (22.2)
84 (3.3)
1228 (48.3)
2351 (92.6)
1229 (48.4)
1711 (67.4)
2351 (92.6)
1261 (49.6)
1507 (59.3)
673 (26.5)
1229 (48.4)
721 (28.4)
1228 (48.3)
2351 (92.6)
640 (25.2)
2351 (92.6)
1711 (67.4)
99
(3.9)
84 (3.3)
1261 (49.6)
1507 (59.3)
548 (21.6) 548 (21.6) 965 (38)
723 (28.5)
563 (22.2)
930 (36.6)
DVM S2 Small type
DVM S2 Large type
DB68-11976A-00_IM_DVM S2 Outdoor_SA_EN_.indd 16DB68-11976A-00_IM_DVM S2 Outdoor_SA_EN_.indd 16 2022-09-13 오전 9:34:062022-09-13 오전 9:34:06

17
English
Installation Procedure
Refrigerant pipe installation
WARNING
• When installing, make sure there is no leakage. When
collecting the refrigerant, stop the compressor first before
removing the connection pipe. If the refrigerant pipe is not
properly connected and the compressorworks with the service
valve open, the pipe inhales the air and it makes the pressure
inside of the refrigerant cycle abnormally high which may lead
to explosion and injury.
Refrigerant pipe work
• The length of refrigerant pipe should be as short as possible
and the height difference between an indoor and outdoor unit
should be minimized.
• Piping work must be done within allowable piping length,
height difference, and the allowable length after branching.
• The pressure of the R-410A is high. Use only certified
refrigerant pipe and follow the installation method.
• After installing the pipes, calculate the total length of the pipe
to check if additional refrigerant is needed. When you need
to charge the additional refrigerant, make sure to use R-410A
refrigerant.
• Use clean refrigerant pipe and there shouldn’t be any harmful
ion, oxide, dust, iron content or moisture inside pipe.
• Use tools and accessories that fit on R-410A only.
Tool Installation process/
purpose
Compatibility with
conventional tool
Pipe cutter
Refrigerant
pipe
installation
Pipe cutting
Compatible
Flaring tool Pipe flaring
Refrigerant
machine oil
Apply
refrigerant
oil on flared
part
Exclusive ether oil, ester
oil, alkali benzene oil or
synthetic oil
Torque
wrench
Connect
flare nut
with pipe
Compatible
Pipe bender Pipe
bending
Nitrogen
gas Air
tightness
test
Prevent
oxidation
within the
pipe
Welder Pipe
welding
Manifold
gage Air
tightness
test ~
additional
refrigerant
charging
Vacuuming,
charging
refrigerant
and
checking
operation
Compatible
Refrigerant
charging
hose
Need exclusive one since
there is risk of refrigerant
leakage or inflow of
impurities
Tool Installation process/
purpose
Compatibility with
conventional tool
Vacuum
pump Pipe drying
Compatible (Use products
which contain the check
valve to prevent the oil
from flowing backward
into the outdoor unit.)
Use the one that can
be vacuumed up to
-100.7kpa(5Torr).
Scale for
refrigerant
charging
Refrigerant charging Compatible
Gas leak
detector Gas leak test
Need exclusive one
(Ones used for R-134a is
compatible)
Flare nut Must use the flare nut equipped with the product.
Selecting refrigerant pipe
First branch joint
Increase the main
pipe size
• Install the refrigerant pipe according to main pipe size of each
outdoor unit capacity.
• When the pipe length (including elbow) between an outdoor
unit and the farthest indoor unit exceeds 90m, you must
increase the size of the pipe (main pipe) by one grade which
connects between the outdoor unit to the first branch joint.
• For H/R model, When the pipe length (including elbow)
between an outdoor unit and the farthest indoor unit exceeds
90m, you must increase the size of the liquid pipe by one grade
among the pipes(main pipe) which connects between the
outdoor unit to the first branch joint.
DB68-11976A-00_IM_DVM S2 Outdoor_SA_EN_.indd 17DB68-11976A-00_IM_DVM S2 Outdoor_SA_EN_.indd 17 2022-09-13 오전 9:34:062022-09-13 오전 9:34:06

18
Refrigerant pipe installation
English
Installation Procedure
16Ton 12Ton
(D)
(E)
(C)
(A)
(B)
(3)
(2)
(1)
6Ton Ex.) 34 Ton
Ton No.
Pipe size (O.D)
Liquid pipe Gas pipe
mm inch mm inch
16 (1) 15.88 5/8 28.58 11/8
28 (2) 19.05 3/4 34.92 13/8
34 (3) 19.05 3/4 41.28 15/8
Size of the pipe connected to the outdoor unit (A) Branch joint (C~E)
Select the size of the main pipe according to the below table.
Outdoorunit
capacity (MBH)
(Cooling)
Outdoorunit
capacity (kW)
(Cooling)
*Maximum pipe length within
295ft (90m)
*Maximum pipe length over
295ft (90m)
Liquid Gas Liquid Gas
inch mm inch mm inch mm inch mm
Capacity ≤ 85 Capacity ≤ 25
Ø3/8 Ø9.52
Ø3/4 Ø19.05
Ø1/2 Ø12.70
Ø7/8 Ø22.22
85 < Capacity ≤ 99 25 < Capacity ≤ 29 Ø7/8 Ø22.22 Ø1 note1) Ø25.40
note1)
99 < Capacity ≤ 120 29 < Capacity ≤ 35
Ø1/2 Ø12.70
Ø1 1/8 Ø28.58
Ø5/8 Ø15.88 Ø1 1/8 Ø28.58
120 < Capacity ≤ 140 35 < Capacity ≤ 41
140 < Capacity ≤ 160 41 < Capacity ≤ 47
Ø1 1/4
note2)
Ø31.75
note2)
160 < Capacity ≤ 181 47 < Capacity ≤ 53
Ø5/8 Ø15.88 Ø3/4 Ø19.05 181 < Capacity ≤ 222 53 < Capacity ≤ 65
222 < Capacity ≤ 240 65 < Capacity ≤ 70
Ø1 3/8 Ø34.92
Ø1 3/8 Ø34.92
240 < Capacity ≤ 336 70 < Capacity ≤ 98
Ø3/4 Ø19.05 Ø7/8 Ø22.22
Ø1 1/2
note3)
Ø38.10
note3)
336 < Capacity ≤ 467 98 < Capacity ≤ 137
Ø1 5/8 Ø41.28 Ø1 5/8 Ø41.28
467 < Capacity ≤ 583 137 < Capacity ≤ 171
*Maximum pipe length : The pipe length between an outdoorunit and the farthest indoor unit.
Note1) If Ø1” (25.40mm) pipe is not available on site, use Ø1 1/8” (28.58mm) pipe.
Note2) If Ø1 1/4” (31.75mm) pipe is not available on site, use Ø1 3/8” (34.92mm) pipe.
Note3) If Ø1 1/2” (38.10mm) pipe is not available on site, use Ø1 5/8” (41.28mm) pipe.
※ For the case that the diameter of the default pipe of an outdoor unit does not match that of
the pipe installed on the site, a socket is provided by default together with the outdoor unit.
Branch joint between outdoor units (C)
Select a branch joint according to the sum of the capacity of outdoor units connected to the
branch joint.
Classification Outdoor unit capacity Model name
MBH kW
Y-joint for outdoor
unit (C)
Capacity ≤ 467 Capacity ≤ 137 MXJ-TA3819M
467 < Capacity 137 < Capacity MXJ-TA4422M
First branch joint (D)
Select according to the sum of the capacity of the outdoor unit.
Classification Outdoor unit capacity Model name
MBH kW
Y-joint (D)
Capacity ≤ 140 Capacity ≤ 41 MXJ-YA2512M
Capacity ≤ 160 Capacity ≤ 47 MXJ-YA2812M
Capacity ≤ 239 Capacity ≤ 70 MXJ-YA2815M
Capacity ≤ 336 Capacity ≤ 98 MXJ-YA3419M
Capacity ≤ 467 Capacity ≤ 137 MXJ-YA4119M
467 < Capacity 137 < Capacity MXJ-YA4422M
Branch joint (E)
Select a branch joint according to the sum of indoor unit capacity which will be connected
after the branch.
※ However, if the branch joints (E) is bigger than the first branch joint (D), apply the branch
joint of the same size as the first branch joint (D).
Classification Indoor unit capacity Model name
MBH kW
Y-joint (E)
Capacity < 55 Capacity < 16 MXJ-YA1509M
55 ≤ Capacity < 133 16 ≤ Capacity < 39 MXJ-YA2512M
133 ≤ Capacity < 172 39 ≤ Capacity < 50.4 MXJ-YA2812M
172 ≤ Capacity < 248 50.4 ≤ Capacity < 72.8 MXJ-YA2815M
248 ≤ Capacity < 344 72.8 ≤ Capacity < 100.8 MXJ-YA3419M
344 ≤ Capacity < 478 100.8 ≤ Capacity < 140 MXJ-YA4119M
478 < Capacity 140 < Capacity MXJ-YA4422M
Distribution
header (E)
Capacity <172 (for 4 rooms) Capacity < 50.4 (for 4 rooms) MXJ-HA2512M
Capacity < 248 (for 8 rooms) Capacity < 72.8 (for 8 rooms) MXJ-HA3115M
Capacity < 478 (for 8 rooms) Capacity <140 (for 8 rooms) MXJ-HA3819M
Size of the pipe between branch joints (B)
Select the pipe size according to the sum of indoor unit capacity which will be connected after
the branch.
※ However, if the size of the pipe between branch joints (B) is biggerthan the size of the pipe
connected to the outdoor unit (A), apply the pipe size (A).
Indoorunit
capacity (MBH)
Indoorunit
capacity (kW)
Branch pipe lengthwithin
148ft (45m)
Branch pipe length between
148ft~295ft (45~90m)
Liquid Gas Liquid Gas
inch mm inch mm inch mm inch mm
Capacity < 19 Capacity < 5.7 Ø1/4 Ø6.35 Ø1/2 Ø12.70 Ø3/8 Ø9.52 Ø5/8 Ø15.88
19 ≤ Capacity < 55 5.7 ≤ Capacity < 16
Ø3/8 Ø9.52
Ø5/8 Ø15.88
Ø1/2 Ø12.70
Ø3/4 Ø19.05
55 ≤ Capacity < 79 16 ≤ Capacity < 23.2 Ø3/4 Ø19.05 Ø7/8 Ø22.22
79 ≤ Capacity < 115 23.2 ≤ Capacity < 33.6 Ø7/8 Ø22.22 Ø1 note1) Ø25.40
note1)
115 ≤ Capacity < 133 33.6 ≤ Capacity < 39
Ø1/2 Ø12.70 Ø1 1/8 Ø28.58 Ø5/8 Ø15.88 Ø1 1/8 Ø28.58 133 ≤ Capacity < 150 39 ≤ Capacity < 44
150 ≤ Capacity < 172 44 ≤ Capacity < 50.4
Ø1 1/4
note2)
Ø31.75
note2)
172 ≤ Capacity < 229 50.4 ≤ Capacity < 67.2
Ø5/8 Ø15.88 Ø3/4 Ø19.05
230 ≤ Capacity < 248 67.2 ≤ Capacity < 72.8
Ø1 3/8 Ø34.92
Ø1 3/8 Ø34.92
248 ≤ Capacity < 344
72.8 ≤ Capacity
<100.8
Ø3/4 Ø19.05 Ø7/8 Ø22.22
Ø1 1/2
note3)
Ø38.10
note3)
344 ≤ Capacity < 392 100.8 ≤ Capacity < 115
Ø1 5/8 Ø41.28
Ø1 5/8 Ø41.28
392 ≤ Capacity < 592 115 ≤ Capacity < 173.6
Ø1 3/4
note4)
Ø44.45
note4)
592 ≤ Capacity < 676 173.6 ≤ Capacity < 198
Ø7/8 Ø22.22
Ø1 3/4
note4)
Ø44.45
note4) Ø1 note1) Ø25.40
note1)
Ø2 1/8 Ø53.98 676 ≤ Capacity < 860 198 ≤ Capacity < 252
Ø2 1/8 Ø53.98
860 ≤ Capacity 252 ≤ Capacity Ø1 note1) Ø25.40
note1) Ø1 1/8 Ø28.58
Note1) If Ø1” (25.40mm) pipe is not available on site, use Ø1 1/8” (28.58mm) pipe.
Note2) If Ø1 1/4” (31.75mm) pipe is not available on site, use Ø1 3/8” (34.92mm) pipe.
Note3) If Ø1 1/2” (38.10mm) pipe is not available on site, use Ø1 5/8” (41.28mm) pipe.
Note4) If Ø1 3/4” (44.45mm) pipe is not available on site, use Ø2 1/8” (53.98mm) pipe.
Size of the pipe between the branch joint and the indoor unit (F)
Select according to the capacity of the indoor unit.
Indoor unit capacity Liquid Gas
MBH kW inch mm inch mm
Capacity ≤ 20 Capacity ≤ 6 Ø1/4 Ø6.35 Ø1/2 Ø12.7
20 < Capacity ≤ 54 6 < Capacity ≤ 16 Ø3/8 Ø9.52 Ø5/8 Ø15.88
54 < Capacity ≤ 78 16 < Capacity ≤ 23 Ø3/8 Ø9.52 Ø3/4 Ø19.05
78 < Capacity 23 < Capacity Ø3/8 Ø9.52 Ø7/8 Ø22.22
※ If the criteria for selecting the branch in the outdoor installation manual and the branch
installation manual are different, please select the branch in accordance with the outdoor
installation manual.
(F)
DB68-11976A-00_IM_DVM S2 Outdoor_SA_EN_.indd 18DB68-11976A-00_IM_DVM S2 Outdoor_SA_EN_.indd 18 2022-09-13 오전 9:34:072022-09-13 오전 9:34:07

19
English
Installation Procedure
When all the following conditions are met, install the main liquid pipe that is one step smaller to reduce piping load and the amount of
refrigerant.
Note that the refrigerant for the main liquid pipe must be added by the specified amount upon reduction.
Condition 1: The vertical piping length is less than 131 ft (40 m)
Condition 2: For BG units, allowable length A (ft) ≥ max. piping length (ft) / { 1 - (vertical piping length (ft) * 0.0046) }
※ Max. piping length: The equivalent length (ft) of piping from the outdoor unit to the farthest indoor unit
For SI units, allowable length A (m) ≥ max. piping length (m) / { 1 - (vertical piping length (m) * 0.015) }
※ Max. piping length: The equivalent length (m) of piping from the outdoor unit to the farthest indoor unit
※ If the conditions above are satisfied and one-size smaller piping has been installed, set the “liquid pipe (main pipe) size reduction”
option.
• Length allowed to reduce the diameter of liquid pipe, A (equivalent length)
Capacity
(HP)
Below 90 m Over 90m
Capacity
(HP)
Below 90 m Over 90m
Pipe
diameter
Max
length (m)
Pipe
diameter
Max
length (m)
Pipe
diameter
Max
length (m)
Pipe
diameter
Max
length (m)
mm inch mft mm inch mft mm inch mft mm inch mft
8This capacity is not supported. 54 15.88 5/8 40 131 19.05 3/4 130 427
10 This capacity is not supported. 56 15.88 5/8 40 131 19.05 3/4 120 394
12 9.52 3/8 50 164 12.7 1/2 200 656 58 15.88 5/8 40 131 19.05 3/4 120 394
14 9.52 3/8 40 131 12.7 1/2 190 623 60 15.88 5/8 40 131 19.05 3/4 110 361
16 9.52 3/8 30 98 12.7 1/2 150 492 62 19.05 3/4 90 295 22.22 7/8 200 656
18 12.7 1/2 90 298 15.88 5/8 200 656 64 19.05 3/4 90 295 22.22 7/8 200 656
20 12.7 1/2 90 298 15.88 5/8 200 656 66 19.05 3/4 90 295 22.22 7/8 200 656
22 12.7 1/2 80 262 15.88 5/8 200 656 68 19.05 3/4 90 295 22.22 7/8 200 656
24 12.7 1/2 70 230 15.88 5/8 200 656 70 19.05 3/4 80 262 22.22 7/8 190 623
26 15.88 5/8 90 295 19.05 3/4 200 656 72 19.05 3/4 80 262 22.22 7/8 180 591
28 15.88 5/8 90 295 19.05 3/4 200 656 74 19.05 3/4 70 230 22.22 7/8 170 558
30 15.88 5/8 90 295 19.05 3/4 200 656 76 19.05 3/4 70 230 22.22 7/8 160 525
32 15.88 5/8 90 295 19.05 3/4 200 656 78 19.05 3/4 70 230 22.22 7/8 150 492
34 15.88 5/8 90 295 19.05 3/4 200 656 80 19.05 3/4 60 197 22.22 7/8 150 492
36 15.88 5/8 90 295 19.05 3/4 200 656 82 19.05 3/4 60 197 22.22 7/8 140 459
38 15.88 5/8 90 295 19.05 3/4 200 656 84 19.05 3/4 60 197 22.22 7/8 130 427
40 15.88 5/8 80 262 19.05 3/4 200 656 86 19.05 3/4 50 164 22.22 7/8 130 427
42 15.88 5/8 70 230 19.05 3/4 200 656 88 19.05 3/4 50 164 22.22 7/8 120 394
44 15.88 5/8 70 230 19.05 3/4 200 656 90 19.05 3/4 50 164 22.22 7/8 120 394
46 15.88 5/8 60 197 19.05 3/4 180 591 92
This capacity is not supported.
48
15.88 5/8 60 197 19.05 3/4 170 558 94
This capacity is not supported.
50 15.88 5/8 50 164 19.05 3/4 150 492 96
This capacity is not supported.
52
15.88 5/8 50 164 19.05 3/4 140 459 98
This capacity is not supported.
E.g. 1: For a site with 18 tons (BG units), max. piping length of 460 ft (395 ft-long horizontal piping and 65 ft-long vertical piping) condition,
allowable length A ≥ max. piping length / { 1 - (vertical piping length * 0.0046) }
656ft ≥ 460ft / { 1 - (65 * 0.0046) } = 460ft / 0.701 = 656ft
Accordingly, the max. piping length of 460 ft (395 ft-long horizontal piping and 65 ft-long vertical piping) is allowable.
E.g. 2: For a site with 18 tons (SI units), max. piping length of 140 m (120 m-long horizontal piping and 20 m-long vertical piping) condition,
allowable length A ≥ max. piping length / { 1 - (vertical piping length * 0.015) }
200m ≥ 140m / { 1 - (20 * 0.015) } = 140m / 0.7 = 200m
Accordingly, the max. piping length of 140m (120m-long horizontal piping and 20m-long vertical piping) is allowable.
DB68-11976A-00_IM_DVM S2 Outdoor_SA_EN_.indd 19DB68-11976A-00_IM_DVM S2 Outdoor_SA_EN_.indd 19 2022-09-13 오전 9:34:072022-09-13 오전 9:34:07

20
Refrigerant pipe installation
English
Installation Procedure
Additional refrigerant
1/2” (5m/16.4’)
1/2” (5m/16.4’)
1/2” (5m/16.4’)
1/4” (5m/16.4’)
1/4” (10m/32.8’)
1/4” (15m/49.2’)
3/8”
(10m/32.8’) 3/8”
(10m/32.8’) 3/8” (10m/32.8’)
3/8”
(10m/32.8’)
1/4” (5m/16.4’)
3/8” (10m/32.8’)
144MBH (12Ton)
12MBH
24MBH
24MBH
18MBH
18MBH
18MBH
18MBH
12MBH
Refrigerant pipe installation
• Basic amount of refrigerant within the outdoor unit [lb(kg)]
– Amount of additional refrigerant has to be calculated based on the sum of all liquid pipe length.
Classification AM080CXVAFH AM100CXVAFH AM120CXVAFH AM140CXVAFH AM160CXVAFH AM180CXVAFH AM200CXVAFH AM220CXVAFH
Basic amount [lb(kg)] 15.4 (7.0) 15.4 (7.0) 15.4 (7.0) 17.6 (8.0) 17.6 (8.0) 23.1 (10.5) 23.1 (10.5) 23.1 (10.5)
Classification AM240CXVAFH AM260CXVAFH AM080CXVAFC AM100CXVAFC AM120CXVAFC AM140CXVAFC AM160CXVAFC AM180CXVAFC
Basic amount [lb(kg)] 30.9 (14.0) 30.9 (14.0) 15.4 (7.0) 15.4 (7.0) 15.4 (7.0) 17.6 (8.0) 17.6 (8.0) 23.1 (10.5)
Classification AM200CXVAFC AM220CXVAFC AM240CXVAFC AM260CXVAFC AM080CXVAJH AM100CXVAJH AM120CXVAJH AM140CXVAJH
Basic amount [lb(kg)] 23.1 (10.5) 23.1 (10.5) 24.3 (11.0) 24.3 (11.0) 15.4 (7.0) 15.4 (7.0) 15.4 (7.0) 17.6 (8.0)
Classification AM160CXVAJH AM180CXVAJH AM200CXVAJH AM220CXVAJH AM240CXVAJH AM260CXVAJH AM280CXVAJH AM300CXVAJH
Basic amount [lb(kg)] 17.6 (8.0) 23.1 (10.5) 23.1 (10.5) 23.1 (10.5) 30.9 (14.0) 30.9 (14.0) 30.9 (14.0) 34.2 (15.5)
Classification AM320CXVAJH AM340CXVAJH AM080CXVAJC AM100CXVAJC AM120CXVAJC AM140CXVAJC AM160CXVAJC AM180CXVAJC
Basic amount [lb(kg)] 34.2 (15.5) 34.2 (15.5) 13.7 (6.2) 15.4 (7.0) 15.4 (7.0) 17.6 (8.0) 17.6 (8.0) 23.1 (10.5)
Classification AM200CXVAJC AM220CXVAJC AM240CXVAJC AM260CXVAJC AM280CXVAJC AM300CXVAJC AM320CXVAJC AM340CXVAJC
Basic amount [lb(kg)] 23.1 (10.5) 23.1 (10.5) 24.3 (11.0) 24.3 (11.0) 24.3 (11.0) 24.3 (11.0) 27.6 (12.5) 27.6 (12.5)
• Amount of additional refrigerant depending on the pipe size ( )
– Amount of additional refrigerant has to be calculated based on the sum of all liquid pipe length.
Size of liquid pipe
[mm (inch)]
Φ1/4
(Φ6.35)
Φ3/8
(Φ9.52)
Φ1/2
(Φ12.7)
Φ5/8
(Φ15.88)
Φ3/4
(Φ19.05)
Φ7/8
(Φ22.22)
Φ1
(Φ25.4)
Φ1 1/8
(Φ28.58)
Additional amount
[lb/ft (kg/m)]
0.013
(0.02)
0.04
(0.06)
0.084
(0.125)
0.121
(0.18)
0.181
(0.27)
0.235
(0.35)
0.356
(0.53)
0.437
(0.65)
Amount of refrigerant
added when the diameter
of liquid pipe is reduced
[kg/m (lb/ft)]
-0.054
(0.08)
0.087
(0.13)
0.131
(0.195)
0.188
(0.28)
0.282
(0.42)
0.356
(0.53) -
– For the indoor unit already connected to EEV kit, the additional refrigerant charging is 0.0067lb/ft (0.01kg/m) regardless of the pipe size.
DB68-11976A-00_IM_DVM S2 Outdoor_SA_EN_.indd 20DB68-11976A-00_IM_DVM S2 Outdoor_SA_EN_.indd 20 2022-09-13 오전 9:34:082022-09-13 오전 9:34:08