LG LVN180HV4 Manuel d'utilisateur

INDOOR UNIT ENGINEERING MANUALIndoor Units for Multi-Zone Heat Pump Systems7,000 to 36,000 Btu/hMULTI FMAXMULTI FArt CoolTM Mirror Wall-Mounted Art Co

ART COOL Mirror Wall-Mounted Indoor UnitsGeneralAll LG indoor units are factory assembled, wired, piped, and pro-vided with a control circuit board,

MULTI FMAXMULTI FDUCT (HIGH STATIC) INDOOR UNITSExternal Static Pressure / Acoustic DataStatic Pressure (in. wg) 0.1 0.16 0.23 0.31 0.39 0.47 0.55 0.6

MULTI FMAXMULTI FRefrigerant Flow DiagramsFigure 131: LMHN240HV and LMHN360HV Refrigerant Flow Diagram.Table 54: Multi F Ceiling-Concealed Duct (High

MULTI FMAXMULTI FWiring DiagramsDUCT (HIGH STATIC) INDOOR UNITSFigure 132: Multi F Ceiling-Concealed Duct (High Static) LMHN240HV Indoor Units Wiring

MULTI FMAXMULTI FDUCT (HIGH STATIC) INDOOR UNITSFactory Supplied Parts and Materials / InstallationFactory Supplied Materials• Owner’s Manual• Install

MULTI FMAXMULTI FInstallation and Best Layout PracticesDUCT (HIGH STATIC) INDOOR UNITSIf the unit is installed near a body of water, certain component

MULTI FMAXMULTI F1. Select and mark the area for the suspension or console bolts (use embedded inserts or anchor bolts in new buildings, and hole-in-

MULTI FMAXMULTI FInstallation and Best Layout PracticesDUCT (HIGH STATIC) INDOOR UNITSChecking the Drainage System1. Remove the air filter.2. Check

MULTI FMAXMULTI FPower Wiring / Communications Cable GuidelinesInstallation and Best Layout PracticesDUCT (HIGH STATIC) INDOOR UNITSConnecting the Pow

MULTI FMAXMULTI FInstallation and Best Layout PracticesDUCT (HIGH STATIC) INDOOR UNITSUsing a Conduit1. Remove the rubber stopper on the indoor unit.

MULTI FMAXMULTI F4 to 5 feetabove the floorNONONOYESRemote ControllerTEMPRemote ControllerTEMPRemote ControllerTEMPInstallation and Best Layout Practi

Model Name LAN090HSV5 LAN120HSV5 LAN180HSV5Nominal Cooling Capacity (Btu/h)19,000 12,000 18,000Nominal Heating Capacity (Btu/h)110,900 13,600 21,600O

MULTI FMAXMULTI FInstallation and Best Layout PracticesDUCT (HIGH STATIC) INDOOR UNITS1. To access system installer setting mode, press and hold the

MULTI FMAXMULTI FTEMPFA NSPEEDOPERMODEFigure 156:Controller External Static Pressure Setting Display. • A certified technician must set the external s

“Mechanical Specifications” on page 113“General Data / Specifications” on page 114“Dimensions” on page 115“Cooling Capacity Table” on page 117“Heating

FOUR-WAY CEILING CASSETTE INDOOR UNITSMechanical Specications and FeaturesFour-Way Ceiling-Cassette Indoor UnitsGeneralAll LG indoor units are factor

General Data / SpecicationsModel Name LMCN077HV LCN097HV4 LCN127HV4 LMCN185HVGrille (Sold Separately)PT-QCHW0 / PT-UQCPT-QCHW0 / PT-UQCPT-QCHW0 /

DimensionsFigure 158:LMCN077HV, LCN097HV4, and LCN127HV4 Dimensions.FOUR-WAY CEILING CASSETTE INDOOR UNITSCEILING-CASSETTE | 115Four-Way Ceiling-C

Figure 159: LMCN185HV Dimensions.DimensionsSupply Air VaneSupply Air VaneSupply Air VaneReturn Air GrilleFOUR-WAY CEILING-CASSETTE INDOOR UNITSDue to

Cooling Capacity TableFOUR-WAY CEILING CASSETTE INDOOR UNITSTable 66:Multi F Four-Way Ceiling-Cassette Indoor Units Cooling Capacity Table.Model No. /

Table 67:Multi F Four-Way Ceiling-Cassette Indoor Units Cooling Capacity Table.TC = Total Capacity (kBtu/h).SHC: Sensible Heat Capacity (kBtu/h).Nomin

Table 68:Multi F Four-Way Ceiling-Cassette Indoor Units Heating Capacity Table.Heating Capacity TableFOUR-WAY CEILING-CASSETTE INDOOR UNITSTC = Total

ART COOL MIRROR INDOOR UNITSDimensionsFigure 2: LAN090HSV5 and LAN120HSV5 Dimensions.Unit : inch (mm)[30-3/16 (767)]32-15/16 (837)3-5/8 (92)2-3/8 (60)

Model No. / Nominal Capacity of Indoor Unit (Btu/h)Outdoor Air Temp. Indoor Air Temp. °F DB°F DB °F WB61 64 68 70 72 75TC TC TC TC TC TCLCN127HV412,00

Acoustic Data• Measurement taken 4.9′ away from the unit. • Measurements taken with no attenuation and units operating at full load normal operating c

Octave band center frequency (Hz)Sound pressure level (0 dB = 20 µPa)Octave band center frequency (Hz)Sound pressure level (0 dB = 20 µPa)10 20 30 40

Air Velocity and Temperature DistributionFOUR-WAY CEILING-CASSETTE INDOOR UNITSFigure 163:LMCN077HV Air Velocity and Temperature Distribution Charts.F

Figure 165:LCN127HV4 Air Velocity and Temperature Distribution Charts.Figure 166:LMCN185HV Air Velocity and Temperature Distribution Charts.Cooling He

Refrigerant Flow DiagramFigure 167: Multi F Four-Way Ceiling-Cassette Indoor Unit Refrigerant Flow Diagram.Table 71: Multi F Four-Way Ceiling-Cassette

Wiring DiagramFigure 168: Multi F Four-Way Ceiling-Cassette Indoor Unit Wiring Diagram.FOUR-WAY CEILING CASSETTE INDOOR UNITSDue to our policy of cont

FOUR-WAY CEILING-CASSETTE INDOOR UNITSFactory Supplied Parts and MaterialsFactory Supplied PartsFactory Supplied Materials• Installation Guide (templa

FOUR-WAY CEILING CASSETTE INDOOR UNITSInstallation and Best Layout PracticesSelecting the Best LocationDo’s• Place the unit where air circulation will

Ceiling AnchorLong nut or turnbuckleSuspension boltCeiling tileInstall the four screwsat the location marked on the templateInstallation Guide(templat

ART COOL MIRROR INDOOR UNITSDimensionsFigure 3: LAN180HSV5 Dimensions.Unit : inch (mm)[36-5/32 (918)]Air Intake Hole[6-11/16 (170)]Air Intake Holeir O

Figure 177:Checking the Drain Pump. For Existing Ceilings1. Use anchors when installing the indoor unit in an existing ceiling. 2. Ceiling height is

Power Wiring / Communications Cable GuidelinesFOUR-WAY CEILING-CASSETTE INDOOR UNITSInstallation and Best Layout Practices• Follow manufacturer’s circ

Wiring / Cable ConnectionsPower WiringWired ControllerCableControl Box CoverControl Box Cover ScrewsConnecting the Power Wiring and Communications C

Figure 182:AKB73757604 Wireless Handheld Controller. Indoor Unit Terminal Block1(L1 )2(L2)GND3(C)Outdoor Unit Terminal Block orBranch Distribution Uni

Installation and Best Layout PracticesFOUR-WAY CEILING CASSETTE INDOOR UNITS4 to 5 feetabove the floorNONONOYESRemote ControllerTEMPRemote ControllerT

FOUR-WAY CEILING-CASSETTE INDOOR UNITSInstallation and Best Layout Practices1. Remove the packaging, take out air inlet grille from the front panel (

“Mechanical Specifications” on page 137“General Data / Specifications” on page 138“Dimensions” on page 139“Cooling Capacity Table” on page 140“Heating

TWO-WAY VAHU INDOOR UNITSMechanical Specications and FeaturesTwo-way Vertical-Horizontal Air Handing Indoor UnitGeneralAll LG indoor units are facto

General Data / SpecicationsTWO-WAY VAHU INDOOR UNITSModel Name LMVN240HV LMVN360HVNominal Cooling Capacity (Btu/h)124,000 36,000Nominal Heating Capac

DimensionsTWO-WAY VAHU INDOOR UNITSFigure 192: LMVN240HV and LMVN360HV Dimensions.WModelLMVN240HVLMVN360HV1848-21/32 21-1/4HUnit: InchHWD48-21/3249-5/

ART COOL MIRROR INDOOR UNITSCooling Capacity TableModel No. / Nominal Capacity of Indoor Unit (Btu/h)Outdoor Air Temp. (°F DB)Indoor Air Temp. °F DB

Cooling Capacity TableTWO-WAY VAHU INDOOR UNITSTable 78: Multi F Vertical-Horizontal Air Handling Indoor Units Cooling Capacity Table.TC = Total Capac

Table 79: Multi F Vertical-Horizontal Air Handling Indoor Units Heating Capacity Table.Model No. / Nominal Capacity of Indoor Unit (Btu/h)Outdoor Air

External Static PressureTWO-WAY VAHU INDOOR UNITSStatic Pressure (in. wg) 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0Model No. / Nominal Capacity of Indoo

TWO-WAY VAHU INDOOR UNITSAcoustic Data• Measurement taken 3.3′ away from the unit. • Measurements taken with no attenuation and units operating at ful

Refrigerant Flow DiagramFigure 195: Multi F Vertical-Horizontal Air Handling Indoor Unit Refrigerant Flow Diagram.TWO-WAY VAHU INDOOR UNITSTable 85: M

Wiring DiagramTWO-WAY VAHU INDOOR UNITSFigure 196: Multi F Vertical-Horizontal Air-Handling Indoor Unit Wiring Diagram.: Factory Wiring: Field Wiring:

Table 88: DIP Switch Settings.Dip Switch Settings OFF ON DescriptionSW3 GROUP Master Slave Group control setting using wired remote controller.SW4DRY

TWO-WAY VAHU INDOOR UNITSFactory Supplied Parts and MaterialsFactory Supplied Materials• Owner’s Manual• Installation Manual• Simple Controller with M

TWO-WAY VAHU INDOOR UNITSInstallation and Best Layout PracticesCapacity (Btu/h)Dimensions (inches)Access Hole for Wiring / Cable (inches)Refrigerant C

Horizontal Installation• Units must be installed so that the access panels face to the side, not facing up or down. • Installation must be in accorda

Model No. / Nominal Capacity of Indoor Unit (Btu/h)Outdoor Air Temp. (°F DB)Indoor Air Temp. °F DB / °F WB68 / 57 73 / 61 77 / 64 80 / 67 86 / 72 90

Installing the Ducts• Use more than ten (10) screws to securely attach the supply ducts to the unit. To prevent air leaks, seal around the duct openin

TWO-WAY VAHU INDOOR UNITSInstallation and Best Layout PracticesDrain Piping Specifications• Drain piping must have downward gradient of at least 1/50

TWO-WAY VAHU INDOOR UNITSInstallation and Best Layout PracticesPower Wiring / Communications Cable Guidelines• Follow manufacturer’s circuit diagrams

TWO-WAY VAHU INDOOR UNITSInstallation and Best Layout PracticesIndoor Unit Terminal Block1(L1 )2(L2)GND3Outdoor Unit Terminal Block orBranch Distribut

Figure 215:Proper Location for the Wired Controller.4 to 5 feetabove the floorNONONOYESRemote ControllerTEMPRemote ControllerTEMPRemote ControllerTEMP

VERTICAL-HORIZONTAL | 155Vertical-Horizontal Air HandlingDue to our policy of continuous product innovation, some specications may change without

“Mechanical Specifications” on page 157“General Data / Specifications” on page 157“Dimensions” on page 158“Cooling Capacity Table” on page 160“Heating

FOUR-WAY VAHU INDOOR UNITSMechanical Specications and FeaturesFour-way Vertical-Horizontal Air Handing Indoor UnitGeneralAll LG indoor units are fac

General Data / SpecicationsFOUR-WAY VAHU INDOOR UNITSModel Name LVN180HV4 LVN240HV4 LVN360HV4Nominal Cooling Capacity (Btu/h)118,000 24,000 36,000Nom

DimensionsFOUR-WAY VAHU INDOOR UNITSFigure 220: Four-way Vertical Air Handling Unit Dimensions.Top FrontBottomSide-rightRefrigerant connections Drain

Table 6: Multi F Art Cool Mirror Indoor Units Heating Capacity Table.TC = Total Capacity (kBtu/h).Nominal capacity as rated 0 ft. above sea level and

Cooling Capacity TableFOUR-WAY VAHU INDOOR UNITSTable 92: Multi F Vertical-Horizontal Air Handling Indoor Units Cooling Capacity Table.TC = Total Capa

Table 91: Multi F Vertical-Horizontal Air Handling Indoor Units Cooling Capacity Table - continuedTC = Total Capacity (kBtu/h).SHC: Sensible Heat Cap

Table 93: Multi F Vertical-Horizontal Air Handling Indoor Units Heating Capacity Table.Model No. / Nominal Capacity of Indoor Unit (Btu/h)Outdoor Air

Model No. / Nominal Capacity of Indoor Unit (Btu/h)Outdoor Air Temp. Indoor Air Temp. °F DB°F DB °F WB61 64 68 70 72 75TC TC TC TC TC TCLVN360HV436,00

FOUR-WAY VAHU INDOOR UNITSExternal Static Pressure and Airow RangesFigure 221: ESP Setting Values – NJ Chassis, LVN180HV4, LVN240HV4Figure 222: ESP S

External Static PressureFOUR-WAY VAHU INDOOR UNITSStatic Pressure (in. wg) 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0Model No. / Nominal Capacity of Indo

External Static PressureFOUR-WAY VAHU INDOOR UNITSHeater Capacity Static Pressure Drop (in. wg)0 03, 5 -0.018, 10 -0.0215 -0.0320 -0.04Table 97: Elect

Heater Capacity (kW) Static Pressure Drop (in. wg)3ANEH033B15ANEH053B18ANEH083B210ANEH103B215ANEH153B220ANEH203B2Table 101: Optional Electric Heater C

FOUR-WAY VAHU INDOOR UNITSAcoustic Data• Measurement taken 3.3′ away from the unit. • Sound pressure levels are measured in dB(A) with a tolerance of

FOUR-WAY VAHU INDOOR UNITSAcoustic DataTable 104: Vertical Air Handling Unit Sound Power Levels (dB[A]).Model No.Sound Power Levels (dB[A])High Fan Sp

• Measurement taken 2.6′ below the bottom of the unit and at a distance of 3.3′ from face of unit. • Measurements taken with no attenuation and units

Refrigerant Flow DiagramFigure 227: Four-way Vertical-Horizontal Air Handling Indoor Unit Refrigerant Flow Diagram.FOUR-WAY VAHU INDOOR UNITSTable 105

Wiring DiagramFOUR-WAY VAHU INDOOR UNITSFigure 228: Four-way Vertical-Horizontal Air-Handling Indoor Unit Wiring Diagram.VERTICAL-HORIZONTAL | 171

Connection Name Location FunctionCN-POWER AC power supply AC Power lineCN-MOTOR1 Fan motor output Motor output of BLDCCN_OUT Heater Connection for hea

FOUR-WAY VAHU INDOOR UNITSFactory Supplied Parts and MaterialsFactory Supplied Materials• Owner’s Manual• Installation Manual• Simple Controller with

FOUR-WAY VAHU INDOOR UNITSInstallation and Best Layout PracticesFigure 229:Clearance Requirements.Figure 230:General and Duct Connection Dimensions.Fi

Vertical-Horizontal Air Handling Units can be installed in a choice of vertical upow, vertical downow (with optional downow kit), or horizontal (le

Horizontal Installation• Units may be installed in horizontal left or horizontal right con-figuration. Horizontal left is the factory default configur

Installing the Ducts• Use more than ten (10) screws to securely attach the supply ducts to the unit. To prevent air leaks, seal around the duct openin

FOUR-WAY VAHU INDOOR UNITSInstallation and Best Layout PracticesDrain Piping Specifications• Drain piping must have downward gradient of at least 1/50

FOUR-WAY VAHU INDOOR UNITSInstallation and Best Layout PracticesPower Wiring / Communications Cable Guidelines• Follow manufacturer’s circuit diagrams

ART COOL MIRROR INDOOR UNITSAir Velocity and Temperature DistributionFigure 6: LAN090HSV5 and LAN120HSV5 Air Velocity and Temperature Distribution Cha

FOUR-WAY VAHU INDOOR UNITSInstallation and Best Layout PracticesIndoor Unit Terminal Block1(L1 )2(L2)GND3Outdoor Unit Terminal Block orBranch Distribu

Figure 249:Proper Location for the Wired Controller.4 to 5 feetabove the floorNONONOYESRemote ControllerTEMPRemote ControllerTEMPRemote ControllerTEMP

Due to our policy of continuous product innovation, some specications may change without notication. ©LG Electronics U.S.A., Inc., Englewood Cliffs

“Equipment Selection Procedure” on page 184“Placement Considerations” on page 191APPLICATION GUIDELINES

EQUIPMENT SELECTION PROCEDURESelect the EquipmentDetermine the Number of ZonesMulti F and Multi F with LG RED heat pump systems can cool or heat, but

EQUIPMENT SELECTION PROCEDURETable 110: Allowable Indoor Unit to Multi F/ Multi F MAX Outdoor Unit Connections.Branch Distribution Unit (PMBD3620) + 2

Table 111: Multi F/ Multi F Max Rated Outdoor Unit Capacity.Outdoor UnitsLMU18CHV LMU24CHV LMU30CHV LMU36CHV LMU480HV LMU540HV LMU600HVRated Capacity(

Determine the Corrected Capacity The corrected cooling / heating capacity is different from the rated cooling / heating capacity. The corrected capaci

Qidu(combi) = Qodu(rated) x Qidu(rated)    ΣQidu(rated)EQUIPMENT SELECTION PROCEDUREUsing the System Combination Tables Multi F system comb

EQUIPMENT SELECTION PROCEDURETable 115: Multi F MAX Outdoor Unit to Branch Distribution Unit Refrigerant Line Length Derates.Main Piping Length (feet

Table 8: Art Cool Mirror Indoor Unit Refrigerant Pipe Sizes.Table 10: Art Cool Mirror Indoor Unit Thermistor Details.Location Description (Based on Co

EQUIPMENT SELECTION PROCEDUREAltitude Correction Factor The impact of air density must be considered on systems installed at a significant altitude ab

PLACEMENT CONSIDERATIONSSelecting the Best Location for the Indoor UnitsNote:Select a location for installing the indoor units that will meet the foll

Rooftop InstallationsIf the outdoor unit is installed on a roof structure, be sure to level the unit. Ensure the roof structure and anchoring method a

PLACEMENT CONSIDERATIONSM10Anchor Bolt2-3/4~4 23/3213/16Unit: InchBoltRefrigerant Pipe Connection LocationTop of Outdoor Unit(Looking Down)BoltBoltBol

Tie-Downs and Lightening ProtectionTie-Downs• The strength of the roof must be checked before installing the outdoor units. • If the installation site

PLACEMENT CONSIDERATIONSClearance Requirements when Different Obstacles are Present (Unit: Inch).Minimum 11-13/16"Minimum 19-11/16"Minimum 3

Where there are obstacles on both suctionand discharge sides (discharge side obstacleis higher than the outdoor unit).Where there are obstacles above,

“Design Guideline Summary” on page 198“Creating a Balanced System” on page 200“Condensate Drain Piping” on page 201REFRIGERANT PIPING DESIGN & LAY

Device Connection Limitations• The minimum number of connected and operating indoor units to Multi F / Multi F MAX systems is two, taking into conside

Design Guideline SummaryExample: LMU540HV outdoor unit with seven (7) indoor units, and two (2) branch distribution units connected.ODU: Outdoor Unit.

EM_MultiF_IDU_3_18For continual product development, LG reserves the right to change specifications without notice. ©LG Electronics Inc. PROPRIETARY

ART COOL MIRROR INDOOR UNITSWiring DiagramFigure 9: Multi F Art Cool Mirror LAN090HSV5, LAN120HSV5, and LAN180HSV5 Indoor Units Wiring Diagram.Due to

Creating a Balanced / Quality Piping SystemUnlike designing duct-work or chilled and hot water pipe systems where balancing dampers, ball valves, orif

INSTALLATION & LAYOUT BEST PRACTICESCondensate Drain PipingIndoor UnitsAll indoor units generate water during cooling operation, therefore, how to

Due to our policy of continuous product innovation, some specications may change without notication. ©LG Electronics U.S.A., Inc., Englewood Cliffs

“General Information” on page 204“Power Wiring (208-230V) and Communications Cable Details” on page 207“Remote Controller Connections” on page 212“

General InformationELECTRICAL CONNECTIONS• All power (line voltage) wiring and communication cable installation must be performed by trained service p

Factory Supplied PartsPart Quantity ImageInstallation Plate One (1)Type “A” Screws Five (5)Type “B” Screws(M4 x 12L)Two (2)Wireless Handheld Controlle

Mounting the Installation PlateThe mounting wall should be strong and solid enough to protect the unit from vibration.• Mount the installation plate o

ART COOL MIRROR INDOOR UNITSInstallation and Best Layout PracticesHanging the Indoor Unit Chassis1. Attach the three (3) hooks on the top of the indo

ART COOL MIRROR INDOOR UNITSInstallation and Best Layout PracticesPower Wiring / Communications Cable Guidelines• Follow manufacturer’s circuit diagra

ART COOL MIRROR INDOOR UNITSInstallation and Best Layout PracticesWireless Handheld ControllerTable 12: AKB74955602 Wireless Controller Functions.Figu

ART COOL MIRROR INDOOR UNITSInstallation and Best Layout PracticesOperation Mode SequenceCooling Mode↓Auto Operation↓Dehumidification Mode↓Heating Mod

Figure 27:Removing the Cable Guide Grooves.ART COOL MIRROR INDOOR UNITSInstallation and Best Layout PracticesAssigning the Thermistor for Temperature

“Mechanical Specifications” on page 29“General Data / Specifications” on page 30“Dimensions” on page 31“Cooling Capacity Table” on page 32“Heating Cap

ART COOL Gallery Indoor UnitsGeneralAll LG indoor units are factory assembled, wired, piped, and pro-vided with a control circuit board, fan, and moto

INTRODUCTION | 3IntroductionMULTI FMAXMULTI FTABLE OF CONTENTSConvergence of Technology, Innovation, Flexibility, & Style ...

Model Name LMAN097HVP LMAN127HVPNominal Cooling Capacity (Btu/h)19,000 11,200Nominal Heating Capacity (Btu/h)1 10,400 13,300Operating RangeCooling (°F

ART COOL GALLERY INDOOR UNITSDimensionsFigure 31: LMAN097HVP and LMAN127HVP Dimensions.Supply Air VaneReturn Air InletSupply Air VaneSupply AirSupplyA

Cooling Capacity TableART COOL GALLERY INDOOR UNITSTable 14: Multi F Art Cool Gallery Indoor Units Cooling Capacity Table.Model No. / Nominal Capacity

Heating Capacity TableART COOL GALLERY INDOOR UNITSTable 15: Multi F Art Cool Gallery Indoor Units Heating Capacity Table.Model No. / Nominal Capacity

Acoustic Data• Measurement taken 2.6′ below the bottom of the unit and at a distance of 3.3′ from face of unit. • Measurements taken with no attenuati

Air Velocity and Temperature DistributionFigure 34: LMAN097HVP Air Velocity and Temperature Distribution Charts.Figure 35: LMAN127HVP Air Velocity and

Refrigerant Flow DiagramFigure 36: Art Cool Gallery Indoor Unit Refrigerant Flow Diagram.ART COOL GALLERY INDOOR UNITSTable 17: Art Cool Gallery Indoo

Wiring DiagramFigure 37: Multi F Art Cool Gallery Indoor Units Wiring Diagram.ART COOL GALLERY INDOOR UNITSART COOL GALLERY™ | 37Art Cool Gallery™

Factory Supplied PartsPart Quantity ImageInstallation Guide One (1)Type “A” Screws and Plastic AnchorsFour (4)EachType “B” Screws(M4 x 12L)Two (2)Wir

Selecting the Best LocationDo’s• Place the unit where air circulation will not be blocked.• Place the unit where drainage can be obtained easily.• Pla

Due to our policy of continuous product innovation, some specications may change without notication. ©LG Electronics U.S.A., Inc., Englewood Cliffs

Installation and Best Layout PracticesPreparing the Indoor Unit for InstallationRemoving the Front Panel1. First pull the top of the front panel up

Hanging the Indoor Unit Frame1. Remove the installation guide and hang the indoor unit on the top two (2) screws. Verify the indoor unit is hanging s

ART COOL GALLERY INDOOR UNITSConnecting the Indoor Unit Piping to the Field-Installed PipingIf the drain hose is routed in-side a room, add insulation

Power Wiring / Communications Cable GuidelinesART COOL GALLERY INDOOR UNITSConnecting the Power Wiring and Communications CableInstallation and Best L

ART COOL GALLERY INDOOR UNITSInstallation and Best Layout PracticesController OptionsArt Cool Gallery wall-mounted indoor units include a handheld con

ART COOL GALLERY INDOOR UNITSInstallation and Best Layout PracticesFigure 54:Wired Controller Connection on the Indoor Unit Terminal Block.Wired Contr

Assigning the Thermistor for Temperature DetectionEach indoor unit includes a return air thermistor assigned to sense the temperature. If a wired cont

ART COOL GALLERY™ | 47Art Cool Gallery™Due to our policy of continuous product innovation, some specications may change without notication. ©LG

“Mechanical Specifications” on page 49“General Data / Specifications” on page 50“Dimensions” on page 51“Cooling Capacity Table” on page 53“Heating Cap

STD. WALL-MOUNTED | 49Standard Wall-MountedDue to our policy of continuous product innovation, some specications may change without notication.

Due to our policy of continuous product innovation, some specications may change without notication. ©LG Electronics U.S.A., Inc., Englewood Cliffs

Due to our policy of continuous product innovation, some specications may change without notication. ©LG Electronics U.S.A., Inc., Englewood Cliffs

STD. WALL-MOUNTED | 51Standard Wall-MountedDue to our policy of continuous product innovation, some specications may change without notication.

Due to our policy of continuous product innovation, some specications may change without notication. ©LG Electronics U.S.A., Inc., Englewood Cliffs

STD. WALL-MOUNTED | 53Standard Wall-MountedDue to our policy of continuous product innovation, some specications may change without notication.

Due to our policy of continuous product innovation, some specications may change without notication. ©LG Electronics U.S.A., Inc., Englewood Cliffs

STD. WALL-MOUNTED | 55Standard Wall-MountedDue to our policy of continuous product innovation, some specications may change without notication.

Due to our policy of continuous product innovation, some specications may change without notication. ©LG Electronics U.S.A., Inc., Englewood Cliffs

STD. WALL-MOUNTED | 57Standard Wall-MountedDue to our policy of continuous product innovation, some specications may change without notication.

Due to our policy of continuous product innovation, some specications may change without notication. ©LG Electronics U.S.A., Inc., Englewood Cliffs

STD. WALL-MOUNTED | 59Standard Wall-MountedDue to our policy of continuous product innovation, some specications may change without notication.

Due to our policy of continuous product innovation, some specications may change without notication. ©LG Electronics U.S.A., Inc., Englewood Cliffs

Due to our policy of continuous product innovation, some specications may change without notication. ©LG Electronics U.S.A., Inc., Englewood Cliffs

STD. WALL-MOUNTED | 61Standard Wall-MountedDue to our policy of continuous product innovation, some specications may change without notication.

Due to our policy of continuous product innovation, some specications may change without notication. ©LG Electronics U.S.A., Inc., Englewood Cliffs

STD. WALL-MOUNTED | 63Standard Wall-MountedDue to our policy of continuous product innovation, some specications may change without notication.

Due to our policy of continuous product innovation, some specications may change without notication. ©LG Electronics U.S.A., Inc., Englewood Cliffs

STD. WALL-MOUNTED | 65Standard Wall-MountedDue to our policy of continuous product innovation, some specications may change without notication.

Due to our policy of continuous product innovation, some specications may change without notication. ©LG Electronics U.S.A., Inc., Englewood Cliffs

STD. WALL-MOUNTED | 67Standard Wall-MountedDue to our policy of continuous product innovation, some specications may change without notication.

Due to our policy of continuous product innovation, some specications may change without notication. ©LG Electronics U.S.A., Inc., Englewood Cliffs

STD. WALL-MOUNTED | 69Standard Wall-MountedDue to our policy of continuous product innovation, some specications may change without notication.

Due to our policy of continuous product innovation, some specications may change without notication. ©LG Electronics U.S.A., Inc., Englewood Cliffs

Due to our policy of continuous product innovation, some specications may change without notication. ©LG Electronics U.S.A., Inc., Englewood Cliffs

STD. WALL-MOUNTED | 71Standard Wall-MountedDue to our policy of continuous product innovation, some specications may change without notication.

“Mechanical Specifications” on page 73“General Data / Specifications” on page 74“Dimensions” on page 75“Cooling Capacity Table” on page 76“Heating Cap

Mechanical Specications and FeaturesDUCT (LOW STATIC) INDOOR UNITSCeiling-Concealed Duct (Low Static) Indoor UnitGeneralAll LG indoor units are facto

Model Name LDN097HV4 LDN127HV4 LMDN186HVNominal Cooling Capacity (Btu/h)19,000 12,000 18,000Nominal Heating Capacity (Btu/h)110,400 13,800 20,800Oper

DimensionsDUCT (LOW STATIC) INDOOR UNITSFigure 96:LDN097HV4, LDN127HV4, and LMDN186HV Dimensions.DUCT (LOW STATIC) | 75Ceiling-Concealed Duct (Low

DUCT (LOW STATIC) INDOOR UNITSCooling Capacity TableTable 35: Multi F Ceiling-Concealed Duct (Low Static) Indoor Units Cooling Capacity Table.TC = Tot

Model No. / Nominal Capacity of Indoor Unit (Btu/h)Outdoor Air Temp. (°F DB)Indoor Air Temp. °F DB / °F WB68 / 57 73 / 61 77 / 64 80 / 67 86 / 72 90

Table 37: Multi F Ceiling-Concealed Duct (Low Static) Indoor Units Heating Capacity Table.DUCT (LOW STATIC) INDOOR UNITSHeating Capacity TableModel No

DUCT (LOW STATIC) INDOOR UNITSExternal Static PressureTable 38: Multi F Ceiling-Concealed Duct (Low Static) External Static Pressure Setting Values Ta

Due to our policy of continuous product innovation, some specications may change without notication. ©LG Electronics U.S.A., Inc., Englewood Cliffs

DUCT (LOW STATIC) INDOOR UNITS• Measurements taken with no attenuation and units operating at full load normal operating condition.• Sound level will

DUCT (LOW STATIC) INDOOR UNITSRefrigerant Flow DiagramsFigure 99: LDN097HV4 Refrigerant Flow Diagram.Table 40: Multi F Ceiling-Concealed Duct (Low Sta

Figure 100:LDN127HV4 and LMDN186HV Refrigerant Flow Diagram.DUCT (LOW STATIC) INDOOR UNITSRefrigerant Flow DiagramsTable 42: Multi F Ceiling-Concealed

Wiring DiagramFigure 101:Multi F Ceiling-Concealed Duct (Low Static) LDN097HV4, LDN127HV4, and LMDN186HV Indoor Units Wiring Diagram.DUCT (LOW STATIC)

Factory Supplied Parts and MaterialsDUCT (LOW STATIC) INDOOR UNITSFactory Supplied PartsPart Quantity Image Part Quantity ImageDrain Hose One (1) Zip

Installation and Best Layout PracticesSelecting the Best LocationDo’s• Place the unit where air circulation will not be blocked.• Place the unit where

Model / Capacity (Btu/h)Dimensions (in.)A B C D E F G H I JLDN097HV4 / 9,000 28-27/32 30-13/3224-23/32 27-9/16 1-13/32 7-15/32 25/3225-31/326-3/3227-9

Installation and Best Layout PracticesDUCT (LOW STATIC) INDOOR UNITSInstalling the Drain System• Drain piping must have downward gradient of at least

Refrigerant Piping InsulationField-installed vapor and liquid refrigerant piping lines must be properly and completely covered in insulation (up to th

Installation and Best Layout PracticesDUCT (LOW STATIC) INDOOR UNITSPower Wiring / Communications Cable GuidelinesConnecting the Power Wiring and Comm

“Mechanical Specifications” on page 10“General Data / Specifications” on page 11“Dimensions” on page 12“Cooling Capacity Table” on page 14“Heating Cap

Indoor Unit Terminal Block1(L) 2(N)GND3Outdoor Unit Terminal Block orBranch Distribution Unit Terminal Block(Multi F MAX Systems Only)GNDGRN / YLWBRBL

Installation and Best Layout PracticesDUCT (LOW STATIC) INDOOR UNITSFigure 120:Removing the Cable Guide Grooves. Hanging the Wired Controller1. The c

DUCT (LOW STATIC) INDOOR UNITSInstallation and Best Layout Practices1. To access system installer setting mode, press and hold the temperature increa

Installation and Best Layout PracticesDUCT (LOW STATIC) INDOOR UNITSTEMPFA NSPEEDOPERMODEFigure 126:Controller External Static Pressure Setting Displa

“Mechanical Specifications” on page 95“General Data / Specifications” on page 96“Dimensions” on page 97“Cooling Capacity Table” on page 98“Heating Cap

MULTI FMAXMULTI FMechanical Specications and FeaturesDUCT (HIGH STATIC) INDOOR UNITSCeiling-Concealed Duct (High Static) Indoor UnitGeneralAll LG ind

MULTI FMAXMULTI FModel Name LMHN240HV LMHN360HVNominal Cooling Capacity (Btu/h)124,000 36,000Nominal Heating Capacity (Btu/h)127,000 40,000Operating R

MULTI FMAXMULTI FDimensionsFigure 128: LMHN240HV and LMHN360HV Dimensions.DUCT (HIGH STATIC) INDOOR UNITSDUCT (HIGH STATIC) | 97Ceiling-Concealed

MULTI FMAXMULTI FDUCT (HIGH STATIC) INDOOR UNITSCooling Capacity TableTable 50:Multi F Ceiling-Concealed Duct (High Static) Indoor Units Cooling Capac

MULTI FMAXMULTI FTable 51:Multi F Ceiling-Concealed Duct (High Static) Indoor Units Heating Capacity Table.Model No. / Nominal Capacity of Indoor Unit