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12 | PRODUCT DATA

Single Zone W

all Mounted Extended Piping Engineering Manual

Due to our policy of continuous product innovation, some specifications may change without notification.

ELECTRICAL DATA

Model Number

Nominal Tons Compressor Qty Compressor (A)

Cool / Heat

Fan Qty

Outdoor Unit

Fan (A)

MCA (A)

MOP (A)

LS243HLV

14.6/14.6

0.25

LS303HLV

2-1/2

14.6/14.6

0.25

LS363HLV

2-3/4

14.6/14.6

0.25

Table 3: Single Zone Wall Mounted Extended Piping Electrical Data

Voltage tolerance is ±10%.
Maximum allowable voltage unbalance is 2%.
RLA = Rated Load Amps.

MCA = Minimum Circuit Ampacity.

Maximum Overcurrent Protection (MOP) is calculated as follows:

(Largest motor FLA x 2.25) + (Sum of other motor FLA) rounded down

to the nearest standard fuse size.

Recommended fuse size: 25A.

Содержание LS243HLV

Страница 1: ...SINGLE ZONE WALL MOUNTED EXTENDED PIPING ENGINEERING MANUAL Single Zone Wall Mount Systems 2 to 2 3 4 Tons ...

Страница 2: ...l as all reports illustrations data information and other materials are the property of LG Electronics U S A Inc and are disclosed by LG Electronics U S A Inc only in confidence This document is for design purposes only A summary list of safety precautions is on page 4 For more technical materials such as submittals catalogs installation owner s and service manuals visit www lghvac com ...

Страница 3: ...mart alternative to both central HVAC and window mounted air conditioners These inverter heat pump systems are available in a variety of configurations to suit different cooling and heating situations Installation by a qualified HVAC contractor is safe and easy little to no duct work or sheet metal is required Inverter Systems LG Single Zone Wall Mounted Extended Piping air source systems offer th...

Страница 4: ...pacity 28 29 Maximum Heating Capacity 30 31 Air Flow and Temperature Distributions Graphs 32 37 Application Guidelines 38 44 Equipment Selection Procedure 39 Building Ventilation Design Guide 40 41 Placement Considerations 42 44 Refrigerant Piping Design Layout Best Practices 45 53 Refrigerant Piping Design 46 Installation Best Layout Practices 48 52 Electrical Connections 53 Technical Data 54 56 ...

Страница 5: ...INTRODUCTION Architectural Appeal on page 6 ...

Страница 6: ...ontrols Single zone systems are available in a nominal capacity range of 2 to 2 3 4 tons These are best suited for applications with zones that require heating or cooling such as residential and small business office buildings Single zone wall mount outdoor and indoor units are available in 208 230V 60Hz 1Ph Adaptable and Flexible Single zone wall mounted extended piping systems allow cooling or h...

Страница 7: ...s Controls Options on page 13 Outdoor Unit Dimensions on page 14 Outdoor Unit Center of Gravity Corner Weight on page 15 Indoor Unit Dimensions on page 16 Acoustic Data on page 17 Refrigerant Flow Diagrams on page 19 Indoor Unit Wiring Diagram on page 21 Outdoor Unit Wiring Diagrams on page 22 Accessories on page 24 PRODUCT DATA ...

Страница 8: ... to maximize compressor efficiency which reduces power consumption and monthly utility bills This latest inverter technology allows single zone system outdoor units to vary the compressor motor shaft speed to deliver an appropriate amount of cooling to the indoor unit Precise refrigerant volume delivery translates into long periods with coil surface temperatures below dew point and minimizes compr...

Страница 9: ...nc Englewood Cliffs NJ All rights reserved LG is a registered trademark of LG Corp Single Zone Indoor and Outdoor Units LS N 243 HLV Indoor Outdoor Product HLV Extended Piping 243 22 000 303 30 000 363 33 000 Type N Indoor Wall Mount Unit U Outdoor Heat Pump Unit Family LS Wall Mounted Nominal Capacity UNIT NOMENCLATURE Nominal cooling capacity in Btu h ...

Страница 10: ...rights reserved LG is a registered trademark of LG Corp GENERAL DATA Single Zone Wall Mounted Extended Piping System Pairing Table The following tables show the available outdoor and indoor units along with the factory provided controllers Table 1 Single Zone Wall Mounted Extended Piping System Pairing Table Outdoor Unit Model Indoor Unit Model Controller LSU243HLV LSU303HLV LSU363HLV LSN243HLV LS...

Страница 11: ...it Outdoor Unit LS243HLV LSN243HLV LSU243HLV LS303HLV LSN303HLV LSU303HLV LS363HLV LSN363HLV LSU363HLV Cooling Capacity1 Min Rated Max Btu h 3 070 22 000 29 515 3 070 30 000 34 000 3 070 33 000 34 000 Cooling Power Input1 Rated kW 1 76 3 0 4 04 Heating Capacity Min Rated Max Btu h 3 070 27 000 38 898 3 070 32 000 38 898 3 070 35 200 38 898 Heating Power Input1 Rated kW 2 38 3 1 3 84 COP 11 34 10 3...

Страница 12: ...ty Compressor A Cool Heat Fan Qty Outdoor Unit Fan A MCA A MOP A LS243HLV 2 1 14 6 14 6 1 0 25 19 30 LS303HLV 2 1 2 1 14 6 14 6 1 0 25 19 30 LS363HLV 2 3 4 1 14 6 14 6 1 0 25 19 30 Table 3 Single Zone Wall Mounted Extended Piping Electrical Data Voltage tolerance is 10 Maximum allowable voltage unbalance is 2 RLA Rated Load Amps MCA Minimum Circuit Ampacity Maximum Overcurrent Protection MOP is ca...

Страница 13: ...ambient Hot start Self diagnostics Outdoor Unit Drain Pan Heater X o o Dry Dehumidification operation Auto changeover Auto clean coil dry Auto restart Child lock applicable with wired controller o o o Forced operation Sleep mode Timer 24hr on off Weekly timer applicable with wired controller o o o Two thermistor control applicable with wired controller o o o Energy saving Controllers Wireless Remo...

Страница 14: ...ghts reserved LG is a registered trademark of LG Corp OUTDOOR UNIT DIMENSIONS LSU243HLV LSU303HLV LSU363HLV Unit inch mm Part Name Remark No Air Discharge Grille 1 3 Gas Pipe Connection Port Liquid Pipe Connection Port Control Box 13 13 32 14 3 16 6 15 32 21 1 2 2 3 4 12 19 32 34 1 4 13 3 32 29 32 5 7 8 17 32 3 5 32 21 1 2 20 27 32 31 1 2 7 11 16 4 7 32 6 25 32 7 8 15 3 32 1 25 32 2 5 1 4 6 29 32 ...

Страница 15: ...istered trademark of LG Corp d e a b c A D B C Figure 1 Center of Gravity and Corner Weight Dimensions Diagram OUTDOOR UNIT CENTER OF GRAVITY CORNER WEIGHT Model Weight lb Center of Gravity inch Leg inch Corner Weight lb Shipping Net a b c d e A B C D LSU243HLV LSU303HLV LSU363HLV 132 3 124 6 21 3 32 13 25 32 6 23 32 21 1 2 13 13 32 21 2 18 7 39 9 44 8 Table 5 Center of Gravity and Corner Weight D...

Страница 16: ...a registered trademark of LG Corp INDOOR UNIT DIMENSIONS LSN243HLV LSN303HLV LSN363HLV 10 7 16 46 7 8 13 5 8 2 17 32 2 11 32 Part Name No Remark Front Panel 1 Display Signal Receiver Air Suction Grille Knockout Hole For pipe and cable Installation Plate 3 2 1 33 25 32 6 9 16 1 11 16 13 3 16 2 17 32Ø 4 23 32 1 11 16 2 17 32Ø 4 23 32 6 9 16 Unit inch 1 3 32 1 1 16 2 7 16 1 7 16 1 4 x 1 8 1 8 x 1 4 5...

Страница 17: ...U243HLV LSU303HLV LSU363HLV Measurements are taken 3 28 ft away from the front of the unit Sound pressure levels are measured in dB A with a tolerance of 3 Sound pressure levels are tested in an anechoic chamber under ISO Standard 3745 Sound level will vary depending on a range of factors including the construction acoustic absorption coefficient of a particular room in which the unit was installe...

Страница 18: ...ound Pressure Data Measurements are taken 3 28 ft away from the front of the unit Sound pressure levels are measured in dB A with a tolerance of 3 Sound pressure levels are tested in an anechoic chamber under ISO Standard 3745 Sound level will vary depending on a range of factors including the construction acoustic absorption coefficient of a particular room in which the unit was installed Figure ...

Страница 19: ...H4 Outdoor air temperature thermistor CN TH2 Outdoor TH5 Condenser temperature thermistor TH6 Discharge pipe temperature thermistor CH TH3 Outdoor Appendix Heat Exchanger Four Way Valve Pressure Sensor Propeller Fan M EEV Electronic Expansion Valve Pressure Switch Cross Flow Fan M Capillary Tube Check Valve Compressor Two Way Valve Flare Joint Accumulator Temperature Sensor Three Way Valve Muffler...

Страница 20: ...ture thermistor CN TH3 Indoor TH4 Outdoor air temperature thermistor CN TH1 Outdoor TH5 Condenser temperature thermistor TH6 Discharge pipe temperature thermistor CH TH2 Outdoor Appendix Heat Exchanger Four Way Valve Pressure Sensor Propeller Fan M EEV Electronic Expansion Valve Pressure Switch Cross Flow Fan M Capillary Tube Check Valve Compressor Two Way Valve Flare Joint Accumulator Temperature...

Страница 21: ...policy of continuous product innovation some specifications may change without notification LG Electronics U S A Inc Englewood Cliffs NJ All rights reserved LG is a registered trademark of LG Corp LSN243HLV LSN303HLV LSN363HLV WIRING DIAGRAMS ...

Страница 22: ...ng Engineering Manual Due to our policy of continuous product innovation some specifications may change without notification LG Electronics U S A Inc Englewood Cliffs NJ All rights reserved LG is a registered trademark of LG Corp LSU243HLV WIRING DIAGRAMS ...

Страница 23: ... our policy of continuous product innovation some specifications may change without notification LG Electronics U S A Inc Englewood Cliffs NJ All rights reserved LG is a registered trademark of LG Corp LSU303HLV LSU363HLV WIRING DIAGRAMS ...

Страница 24: ...an accessory cable with out the need for a separate interface device The main screen for LGMV shall allow user to view the following real time data on one screen Additional screens can be accessed by tabs on the main screen 1 Cycleview Graphic of internal components including 2 Setting Converts metric values to imperial values 3 Making Data Recording of real time data to a separate file created to...

Страница 25: ... Cooling Capacity Data on page 26 Heating Capacity Data on page 28 Maximum Heating Capacity on page 30 Air Flow and Temperature Distributions Graphs on page 32 PERFORMANCE DATA ...

Страница 26: ...8 20 69 1 86 24 87 21 88 1 92 105 16 56 14 57 1 61 17 75 15 60 1 66 18 94 16 63 1 71 20 42 17 91 1 77 21 31 18 68 1 81 23 17 20 36 1 89 24 41 21 48 1 94 110 16 10 14 17 1 63 17 32 15 24 1 68 18 54 16 31 1 74 20 06 17 65 1 80 20 97 18 45 1 84 22 76 20 03 1 92 23 95 21 07 1 97 115 15 53 13 66 1 65 16 70 14 70 1 70 17 88 15 75 1 75 19 35 17 05 1 82 20 24 17 83 1 86 21 98 19 35 1 94 23 14 20 36 2 00 1...

Страница 27: ...43 1 88 26 95 17 33 2 20 31 03 18 24 2 52 36 12 19 37 2 92 39 17 20 05 3 16 35 92 22 19 2 63 33 75 23 62 2 28 35 23 73 17 04 2 00 27 57 17 87 2 30 31 40 18 70 2 59 36 20 19 74 2 96 39 08 20 36 3 18 36 87 22 76 2 73 35 40 24 37 2 43 40 24 58 17 65 2 13 28 18 18 41 2 40 31 78 19 17 2 67 36 28 20 11 3 00 38 98 20 68 3 21 37 82 23 34 2 83 37 04 25 11 2 58 45 25 44 18 26 2 26 28 80 18 95 2 50 32 16 19 ...

Страница 28: ...F TC Total Capacity kBtu h PI Power Input kW includes compressor indoor fan motor and outdoor fan motor 1 All capacities are net evaporator fan motor heat is deducted 2 Direct interpolation is permissible Do not extrapolate Nominal capacity as rated 0 ft above sea level with 25 ft of refrigerant piping 0 ft level difference between outdoor and indoor units Nominal cooling capacity rating obtained ...

Страница 29: ...78 18 67 2 78 18 29 2 76 17 86 2 76 6 5 20 68 2 94 20 06 2 91 19 85 2 91 19 66 2 88 19 51 2 88 19 11 2 85 18 66 2 85 10 9 21 59 3 03 20 94 3 00 20 73 3 00 20 52 2 97 20 36 2 97 19 95 2 94 19 48 2 94 16 14 22 27 3 07 21 60 3 04 21 38 3 04 21 17 3 01 21 01 3 01 20 58 2 98 20 10 2 98 17 15 22 43 3 10 21 75 3 07 21 53 3 07 21 31 3 04 21 15 3 04 20 72 3 01 20 23 3 01 19 17 22 73 3 16 22 04 3 13 21 82 3...

Страница 30: ...ature F WB Wet Bulb Temperature F TC Total Capacity kBtu h PI Power Input kW includes compressor indoor fan motor and outdoor fan motor 1 All capacities are net evaporator fan motor heat is deducted 2 Direct interpolation is permissible Do not extrapolate Nominal capacity as rated 0 ft above sea level with 25 ft of refrigerant piping 0 ft level difference between outdoor and indoor units Nominal c...

Страница 31: ... 5 25 28 05 5 32 26 49 5 55 6 5 32 59 5 24 32 26 5 31 31 98 5 37 30 89 5 42 31 51 5 36 30 79 5 31 27 49 5 10 10 9 34 30 5 30 33 92 5 37 33 60 5 44 33 43 5 47 33 01 5 42 32 05 5 35 27 98 5 09 16 14 35 88 5 35 35 46 5 42 35 12 5 49 34 93 5 52 34 35 5 45 33 05 5 35 29 14 4 96 17 15 36 28 5 33 35 86 5 42 35 51 5 50 35 32 5 54 34 70 5 46 33 32 5 33 29 16 4 87 19 17 36 72 5 38 36 29 5 44 35 94 5 49 35 7...

Страница 32: ...m m ft 3 3 0 6 6 ft 3 3 0 6 6 ft 0 6 6 8 2 3 13 1 19 7 26 2 22 72 18 64 0 3 1 0 5 1 6 1 3 3 2 6 6 2 6 6 2 6 6 1 3 3 1 3 3 0 3 1 Air Velocity m s ft s 0 2 0 1 4 6 8 m m 1 0 1 2 3 4 3 2 4 5 5 Air Velocity m s ft s 0 2 0 1 4 6 8 m 1 0 1 2 3 4 3 2 4 5 5 0 6 6 8 2 3 13 1 19 7 26 2 0 6 6 8 2 3 13 1 19 7 26 2 ft m ft ft 3 3 0 3 3 6 6 9 8 13 1 9 8 6 6 13 1 16 4 16 4 3 3 3 3 6 6 9 8 13 1 9 8 6 6 13 1 16 4 ...

Страница 33: ... ft 3 3 0 6 6 ft 0 6 6 8 2 3 13 1 19 7 26 2 7 23 36 97 0 3 1 0 5 1 6 1 3 3 2 6 6 2 6 6 2 6 6 1 3 3 1 3 3 0 3 1 0 3 1 Air Velocity m s ft s 0 2 0 1 4 6 8 m m 1 0 1 2 3 4 3 2 4 5 5 Air Velocity m s ft s 0 2 0 1 4 6 8 m 1 0 1 2 3 4 3 2 4 5 5 0 6 6 8 2 3 13 1 19 7 26 2 0 6 6 8 2 3 13 1 19 7 26 2 ft m ft ft 3 3 0 3 3 6 6 9 8 13 1 9 8 6 6 13 1 16 4 16 4 3 3 3 3 6 6 9 8 13 1 9 8 6 6 13 1 16 4 16 4 ft 0 0...

Страница 34: ...m ft 3 3 0 6 6 ft 3 3 0 6 6 ft 0 6 6 8 2 3 13 1 19 7 26 2 14 57 26 79 7 23 0 3 1 0 5 1 6 1 3 3 2 6 6 2 6 6 2 6 6 1 3 3 1 3 3 0 3 1 Air Velocity m s ft s 0 2 0 1 4 6 8 m m 1 0 1 2 3 4 3 2 4 5 5 Air Velocity m s ft s 0 2 0 1 4 6 8 m 1 0 1 2 3 4 3 2 4 5 5 0 6 6 8 2 3 13 1 19 7 26 2 0 6 6 8 2 3 13 1 19 7 26 2 ft m ft ft 3 3 0 3 3 6 6 9 8 13 1 9 8 6 6 13 1 16 4 16 4 3 3 3 3 6 6 9 8 13 1 9 8 6 6 13 1 16...

Страница 35: ...6 8 2 3 13 1 19 7 26 2 28 82 30 86 32 90 34 93 40 104 7 23 0 3 1 0 5 1 6 1 3 3 2 6 6 2 6 6 2 6 6 1 3 3 1 3 3 0 3 1 0 3 1 Air Velocity m s ft s 0 2 0 1 4 6 8 m m 1 0 1 2 3 4 3 2 4 5 5 Air Velocity m s ft s 0 2 0 1 4 6 8 m 1 0 1 2 3 4 3 2 4 5 5 0 6 6 8 2 3 13 1 19 7 26 2 0 6 6 8 2 3 13 1 19 7 26 2 ft m ft ft 3 3 0 3 3 6 6 9 8 13 1 9 8 6 6 13 1 16 4 16 4 3 3 3 3 6 6 9 8 13 1 9 8 6 6 13 1 16 4 16 4 ft...

Страница 36: ... ft 3 3 0 6 6 ft 0 6 6 8 2 3 13 1 19 7 26 2 6 5 21 3 26 79 24 75 22 72 14 57 0 3 1 0 5 1 6 1 3 3 2 6 6 2 6 6 2 6 6 1 3 3 1 3 3 0 3 1 Air Velocity m s ft s 0 2 0 1 4 6 8 m m 1 0 1 2 3 4 3 2 4 5 5 Air Velocity m s ft s 0 2 0 1 4 6 8 m 1 0 1 2 3 4 3 2 4 5 5 0 6 6 8 2 3 13 1 19 7 26 2 0 6 6 8 2 3 13 1 19 7 26 2 ft m ft ft 3 3 0 3 3 6 6 9 8 13 1 9 8 6 6 13 1 16 4 16 4 3 3 3 3 6 6 9 8 13 1 9 8 6 6 13 1 ...

Страница 37: ...6 6 ft 3 3 0 6 6 ft 0 6 6 8 2 3 13 1 19 7 26 2 7 23 40 104 0 3 1 0 5 1 6 1 3 3 2 6 6 2 6 6 2 6 6 1 3 3 1 3 3 0 3 1 0 3 1 Air Velocity m s ft s 0 2 0 1 4 6 8 m m 1 0 1 2 3 4 3 2 4 5 5 Air Velocity m s ft s 0 2 0 1 4 6 8 m 1 0 1 2 3 4 3 2 4 5 5 0 6 6 8 2 3 13 1 19 7 26 2 0 6 6 8 2 3 13 1 19 7 26 2 ft m ft ft 3 3 0 3 3 6 6 9 8 13 1 9 8 6 6 13 1 16 4 16 4 3 3 3 3 6 6 9 8 13 1 9 8 6 6 13 1 16 4 16 4 ft...

Страница 38: ... Equipment Selection Procedure on page 39 Building Ventilation Design Guide on page 40 Placement Considerations on page 42 APPLICATION GUIDELINES ...

Страница 39: ...e table below Multiply the correction factors by the cooling or heating capacity obtained from the capacity tables using design conditions The resultant is the NET cooling or heating capacity EQUIPMENT SELECTION PROCEDURE Table 17 Single Zone Wall Mounted Extended Piping Cooling Heating Coefficient Factors Model Main Piping Length Indoor Unit Outdoor Unit Feet 24 6 32 8 49 2 65 6 82 98 4 114 8 131...

Страница 40: ...s using the DDOAS method in all installations Ceiling Diffuser Outdoor Air Unit ERV Outdoor Air Wall Mount Inverter Intake Grill Figure 6 Decoupled Dedicated Outdoor System Diagram Methodology illustrations are for examples only and do not depict actual indoor units for the specific outdoor unit pairing These are generic illus trations to show ventilation design only Building Ventilation Design Gu...

Страница 41: ...the building and outdoor air is drawn into occupied spaces through a wall louver or gravity roof intake hood Supply fans can also be used to push the outdoor air into the space and building positive pressure will vent the exhaust air through louvers or roof mounted exhaust hoods Outdoor air is neither cooled nor heated before entering the building Advantages Outdoor air may be manually controlled ...

Страница 42: ...o that its airflow fans are not buried by direct heavy snowfall If snow piles up and blocks the airflow the system may malfunction 3 Remove any snow that has accumulated by 4 inches or more on the top of the outdoor unit 4 Place the outdoor unit on a raised platform at least 20 inches higher than the average annual snowfall for the area In environments where there is a possibility of heavy snow th...

Страница 43: ...r unit with a bolt and nut on a concrete or rigid mount Refer to the applicable installation manual and follow applicable local codes for clearance mounting anchor and vibration attenuation requirements Mounting Platform The underlying structure or foundation must be designed to sup port the weight of the unit Avoid placing the unit in a low lying area where water may accumulate When installing th...

Страница 44: ... Figure 11 for height in relation to the unit This clearance ensures that heat radiation from the condenser is not restricted around the unit Adhere to all clearance requirements if installing the unit on a roof Be sure to level the unit and ensure that the unit is adequately anchored Consult local codes for rooftop mounting requirements In order to have successful service access to the outdoor un...

Страница 45: ... Refrigerant Piping Design on page 46 Installation Best Layout Practices on page 48 Electrical Connections on page 53 REFRIGERANT PIPING DESIGN AND BEST LAYOUT PRACTICES ...

Страница 46: ... length 9 8 9 8 9 8 Distance between fittings and indoor units or outdoor units 20 inches 20 inches 20 inches No Additional Refrigerant 24 6 24 6 24 6 Elevation All Elevation Limitations are Measured in Actual Feet If outdoor unit is above indoor unit 98 4 98 4 98 4 If outdoor unit is below indoor unit 98 4 98 4 98 4 Additional Refrigerant Needed oz ft 0 38 0 38 0 38 Figure 12 Single Zone System L...

Страница 47: ...32 0 34 0 36 0 38 0 40 0 42 0 44 0 43 0 46 0 52 0 56 0 58 0 60 50 0 20 0 20 0 25 0 30 0 33 0 35 0 38 0 40 0 43 0 45 0 48 0 50 0 53 0 55 0 54 0 58 0 65 0 70 0 73 0 75 60 0 24 0 24 0 30 0 36 0 39 0 42 0 45 0 48 0 51 0 54 0 57 0 60 0 63 0 66 0 65 0 69 0 78 0 84 0 87 0 90 70 0 28 0 28 0 35 0 42 0 46 0 49 0 53 0 56 0 60 0 63 0 67 0 70 0 74 0 77 0 76 0 81 0 91 0 98 1 02 1 05 80 0 32 0 32 0 40 0 48 0 52 ...

Страница 48: ...est vertical rise or fall distance Figure 14 Installing Piping Above and Below an Obstacle MINIMUM Above an obstacle MINIMUM Below an obstacle 3X X 3X X Field Provided Isolation Ball Valves LG maintains a neutral position on using isolation valves in VRF refrigerant piping systems LG does not endorse any manufacturer of isola tion valves It is recognized that installing isolation valves may simpli...

Страница 49: ...gers suspended from the ceiling on all thread rods fiber straps or split ring hangers can be used as long as they do not compress the pipe insulation Place a sec ond layer of insulation over the pipe insulation jacket to prevent chafing and compression of the primary insulation within the confines of the support pipe clamp A properly installed pipe system will have sufficient supports to avoid pip...

Страница 50: ...d underground should be routed inside a vapor tight protective sleeve to prevent insulation deterioration and water infiltration Refrigerant pipe installed inside underground casing must be continuous without any joints Underground refrigerant pipe must be located at a level below the frost line Figure 19 Typical Arrangement of Refrigerant Pipe and Cable s in a Utility Conduit Table 24 Utility Con...

Страница 51: ...e Piping larger diameter Liquid Side Piping smaller diameter Torque Wrench Single Zone Extended Piping Out door Unit Connections 1 Remove the tubing cover from the unit by loosening the fastening screws 2 Align the center of the refrigerant pipe and corresponding con nection 3 Place a couple of drops of refrigerant oil on the opening rim of the flare before assembling Do not add any contaminants T...

Страница 52: ...rough the refrigerant piping all refrigerant piping including liquid lines and vapor lines shall be insulated separately Insulation shall be a minimum 1 2 thick and thickness may need to be increased based on ambient conditions and local codes All insulation joints shall be glued with no air gaps Insulation material must fit snugly against the refrigeration pipe with no air space between it and th...

Страница 53: ...ng may cause unit malfunction the wires to burnout or the terminal to overheat and catch fire There is a risk of electric shock physical injury or death Use outdoor and waterproof connection cable rated up to 300V for the connection between the indoor and outdoor unit to avoid electri cal shock which may cause physical injury or death Separately wire the high and low voltage lines to avoid damage ...

Страница 54: ... Mechanical Specifications on page 55 Acronyms on page 56 TECHNICAL DATA ...

Страница 55: ...s provided with factory installed components including a refrigerant strainer four way reversing valve electronic controlled expansion valve EEV high and low side charging ports service valves and interconnecting piping Refrigeration Oil Control Heat pump outdoor units have a centrifugal oil separator and controls to ensure suf ficient oil supply is maintained and that oil does not travel with the...

Страница 56: ...Light Emitting Diode Btu h British Thermal Units per hour MBh Thousands BTUs per hour BUS Binary Unit System MCA Maximum Circuit Ampacity CFM Cubic Feet per Minute MOP Maximum Overcurrent Protection COP Coefficient Of Performance ODU Outdoor Unit CR Combination Ratio PCB Printed Circuit Board DB Dry Bulb PCM Pre Coated Metal dB A Decibels with A frequency weighting PDI Power Distribution Indicator...

Страница 57: ...edPiping_HLV_11_18 Supersedes EM_SZ_WallMounted_ExtendedPiping_HLV_12_16 EM SZ HighEfficiencyWallmount HSV3 HV3 HLV 9 16 EM SZ HighEfficiencyWallmount HSV3 HV3 HLV 6 16 DFS EM AH 001 US 014D10 20001747 ISO 9001 2008 LG ELECTRONICS INC LG Electronics Commercial Products Support 1 888 865 3026 USA Follow the prompts for commercial A C products ...

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