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LG RM2U15.U18 Engineering Product Data Book
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LG RM2U15.U18 Engineering Product Data Book

LG RM2U15.U18 Engineering Product Data Book

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Summary of Contents for LG RM2U15.U18

  • Page 2 Multi Multiple type General Information 1.Model Line Up 2.Combination of Indoor and Outdoor Unit 3.Nomenclature...
  • Page 3 Capacity Index Product Phase Chassis Model Name U18A S32W14ULGA0.EC6BEEU [RM2U15.U18] Multiple type U24A S33W18U2GA0.EC6BEEU [RM3U19.U24] * The capacity index may differ from actual capacity values. Multi Multiple type 2. Combination of Indoor and Outdoor Unit The total capacity index of indoor units is the sum of capacity index of each units and should be within the capacity index of the outdoor unit.
  • Page 4 Multi Multiple type General Information 3. Nomenclature 3.1 Nomenclature - Outdoor unit Model Name 1. A/C Type Split 2. Refrigerent R410A R290 3. SET : Indoor unit combination number 3 Indoor units 4 Indoor units 4. C/O, H/P and Inverter DC Inverter C/O DC Inverter H/P 5/6.
  • Page 5 Multi Multiple type General Information 3. Nomenclature 3.2 Nomenclature - Set Model Name 9/10. SET : Sum of Indoor units Capacity 1. A/C Type Indoor unit 1 Indoor unit 2 Indoor unit 3 Code Split 2. Refrigerent R410A R290 3. SET : Indoor unit combination number 3 Indoor units 4 Indoor units 4.
  • Page 6 Multi Product Data Multiple type...
  • Page 7 Multi Multiple type 1. S32W14ULGA0.EC6BEEU [RM2U15.U18] 1.1 Specifications Category S32W14ULGA0.EC6BEEU [RM2U15.U18] Unit Major Minor Classification Chassis U18A Case 1 220-230-240, 1, 50 Case 2 Power Supply Limit Range of Voltage(Case 1) 198 ~ 264 Limit Range of Voltage(Case 2) Testing Combination Model x No.
  • Page 8 Product Data Multi Multiple type 1. S32W14ULGA0.EC6BEEU [RM2U15.U18] Category Unit S32W14ULGA0.EC6BEEU [RM2U15.U18] Major Minor Color Warm Gray Exterior RAL (Classic) RAL 7044 High Pressure Prevention Pressure Switch Frost Prevention Thermistor Protection Device Discharge Tempreature Control Thermistor Inverter Protection Thermistor Type Precharged Amount 1.040...
  • Page 9 Product Data Multi Multiple type 1. S32W14ULGA0.EC6BEEU [RM2U15.U18] ■ Performances are based on the following conditions : - Cooling : Indoor Ambient Temp. 27°CDB / 19°CWB, Outdoor Ambient Temp. 35°CDB / 24°CWB - Heating : Indoor Ambient Temp. 20°CDB / 15°CWB, Outdoor Ambient Temp. 7°CDB / 6°CWB - Interconnected Pipe Length is standard length and difference of Elevation (Outdoor ~ Indoor Unit) is 0m.
  • Page 10 Product Data Multi Multiple type 1. S32W14ULGA0.EC6BEEU [RM2U15.U18] 1.2 List of Functions Category Functions Availability Defrost / Deicing High Pressure Switch Low Pressure Switch Reliability Phase Protection Restart Delay (3-minutes) Self Diagnosis Soft Start Night Low Noise Operation Wiring Error Check...
  • Page 11 Product Data Multi Multiple type 1. S32W14ULGA0.EC6BEEU [RM2U15.U18] 1.3 Accessory Compatibility List Category Accessory Name Model Name Description Compatibility AC EZ PQCSZ250S0 AC EZ touch PACEZA000 Touch type AC Smart IV PACS4B000 Touch type AC Smart 5 PACS5A000 Touch type...
  • Page 12 Product Data Multi Multiple type 1. S32W14ULGA0.EC6BEEU [RM2U15.U18] 1.4 Dimensions 1.4.1 Product...
  • Page 13 Product Data Multi Multiple type 1. S32W14ULGA0.EC6BEEU [RM2U15.U18] 1.4.2 Install Space For Side Discharge (capacity ＜ 28.0 kW) [Unit : mm(inch)] ※ Case 1 : No obstacle on top side Obstacle on the Suction side Case 2 : Obstacle on top side...
  • Page 14 Product Data Multi Multiple type 1. S32W14ULGA0.EC6BEEU [RM2U15.U18] 1.5 Piping Diagrams 1.5.1 Normal Outdoor Unit Inlet Air Temperature Thermistor Condensing Temperature Ø6.35 / 2 way Thermistor Flare Connection Electronic Expansion Condenser Out Valve Temperature ROOM A Thermistor ROOM B ROOM A...
  • Page 15 Product Data Multi Multiple type 1. S32W14ULGA0.EC6BEEU [RM2U15.U18] 1.6 Wiring Diagrams OUTDOOR WIRING DIAGRAM CN_EEV1_WH CN_EEV2_BL CN_FAN_DC CN_COMP CN_CP _N_WH CN_CP _L_WH FUSE_COM 250V / T3.15A CN_W CN_LGMV MVC Jig CN_CENTRAL DIP Switch WCN_GND2 WCN_GND1 CN_COM2 CN_AC_ CN_AC_ REACT_OUT REACT_IN...
  • Page 16 Product Data Multi Multiple type 1. S32W14ULGA0.EC6BEEU [RM2U15.U18] 1.7 Combination Table 1.7.1 Cooling Combination of Total Capacity Input Indoor Unit (kBtu/h Class) UNIT Rated Rated UNIT-A UNIT-B UNIT-C UNIT-D Total Btu/h Btu/h Btu/h 2 UNIT 8,400 14,000 16,100 1,030 1,391 1.7.2 Heating...
  • Page 17 Product Data Multi Multiple type 1. S32W14ULGA0.EC6BEEU [RM2U15.U18] 1.8 Capacity Tables 1.8.1 Cooling Indoor Air Temp.: ℃WB Combination Outdoor Air Capacity Temp.: ℃DB Index 2.41 0.41 3.13 0.51 3.68 0.59 4.10 0.65 4.52 0.67 4.84 0.67 2.41 0.48 3.13 0.60 3.68...
  • Page 18 Multi Multiple type Product Data 1. S32W14ULGA0.EC6BEEU [RM2U15.U18] 1.9 Capacity Correction Factor 1.9.1 Cooling Combination Capacity correction factor (%) by equivalent pipe length (m) (Capacity ind ex, kBtu/h) 100.0 100.0 98.0 94.8 91.6 88.4 100.0 100.0 97.6 93.8 89.9 86.1 1.9.2 Heating...
  • Page 19 Multi Multiple type Product Data 1. S32W14ULGA0.EC6BEEU [RM2U15.U18] 1.10 Operation Limits 1.10.1 Cooling Continuous operation 10 12 Indoor Temperature [°C WB] 1.10.2 Heating Continuous Operation Indoor Tem [°C D B] Note ■ Warming up operation and operative mean that the outdoor unit operates to reach the range of continuous operating, however it may not operate continuously...
  • Page 20 Multi Multiple type Product Data 1. S32W14ULGA0.EC6BEEU [RM2U15.U18] 1.11 Sound Levels 1.11.1 Pressure Levels Night Low Noise Operation / Silent Mode ■ Cooling SPL [dB(A)] Capacity [%] Mode ▲ Heating Cool Heat Cool Heat Step1 / F1 41.0 43.0 90.0 87.0...
  • Page 21 Multi Multiple type Product Data 1. S32W14ULGA0.EC6BEEU [RM2U15.U18] 1.11.2 Power Levels Night Low Noise Operation / Silent Mode PWL [dB(A)] Capacity [%] ■ Cooling Mode Cool Heat Cool Heat Step1 / F1 56.0 Step2 / F2 52.0 NR-110 NR-105 *How to set mode can be vary depending on function.
  • Page 22 Product Data Multi Multiple type 2. S33W18U2GA0.EC6BEEU [RM3U19.U24] 2.1 Specifications Category Unit S33W18U2GA0.EC6BEEU [RM3U19.U24] Major Minor Classification Chassis U24A Case 1 220-230-240, 1, 50 Case 2 Power Supply Limit Range of Voltage(Case 1) 198 ~ 264 Limit Range of Voltage(Case 2) Testing Combination Model x No.
  • Page 23 Product Data Multi Multiple type 2. S33W18U2GA0.EC6BEEU [RM3U19.U24] Category Unit S33W18U2GA0.EC6BEEU [RM3U19.U24] Major Minor High Pressure Prevention Pressure Switch Frost Prevention Thermistor Protection Device Discharge Tempreature Control Thermistor Inverter Protection Thermistor Type Precharged Amount 1.400 Additional Charging amount(Main) Additional Charging amount(Branch) Refrigerant GWP(Global Warming Potential)
  • Page 24 Multi Multiple type Product Data 2. S33W18U2GA0.EC6BEEU [RM3U19.U24] ■ Performances are based on the following conditions : - Cooling : Indoor Ambient Temp. 27°CDB / 19°CWB, Outdoor Ambient Temp. 35°CDB / 24°CWB - Heating : Indoor Ambient Temp. 20°CDB / 15°CWB, Outdoor Ambient Temp. 7°CDB / 6°CWB - Interconnected Pipe Length is standard length and difference of Elevation (Outdoor ~ Indoor Unit) is 0m.
  • Page 25 Product Data Multi Multiple type 2. S33W18U2GA0.EC6BEEU [RM3U19.U24] 2.2 List of Functions Category Functions Availability Defrost / Deicing High Pressure Switch Low Pressure Switch Reliability Phase Protection Restart Delay (3-minutes) Self Diagnosis Soft Start Night Low Noise Operation Wiring Error Check Peak Control Convenience Mode Lock...
  • Page 26 Multi Multiple type Product Data 2. S33W18U2GA0.EC6BEEU [RM3U19.U24] 2.3 Accessory Compatibility List Category Accessory Name Model Name Description Compatibility AC EZ PQCSZ250S0 AC EZ touch PACEZA000 Touch type AC Smart IV PACS4B000 Touch type AC Smart 5 PACS5A000 Touch type Central Controller ACP IV PACP4B000...
  • Page 27 Product Data Multi Multiple type 2. S33W18U2GA0.EC6BEEU [RM3U19.U24] 2.4 Dimensions 2.4.1 Product...
  • Page 28 Multi Multiple type Product Data 2. S33W18U2GA0.EC6BEEU [RM3U19.U24] 2.4.2 Install Space For Side Discharge (capacity ＜ 28.0 kW) [Unit : mm(inch)] ※ Case 1 : No obstacle on top side Obstacle on the Suction side Case 2 : Obstacle on top side Front Front Front...
  • Page 29 Multi Multiple type Product Data 2. S33W18U2GA0.EC6BEEU [RM3U19.U24] 2.5 Piping Diagrams 2.5.1 Normal Outdoor Unit Condenser Out Inlet Air Temperature Temperature Thermistor Thermistor Condensing Ø6.35 Temperature Flare Connection Thermistor Electronic Expansion Valve ROOM A Main SVC V/V Field Piping ROOM B Liquid(Ø6.35) ROOM C Pressure...
  • Page 30 Product Data Multi Multiple type 2. S33W18U2GA0.EC6BEEU [RM3U19.U24] 2.6 Wiring Diagrams OUTDOOR WIRING DIAGRAM CN_EEV1_WH CN_EEV3_YL CN_EEV2_BL CN_FAN_DC CN_CP CN_COMP _N_WH CN_CP _L_WH FUSE_COM 250V / T3.15A CN_W CN_CENTRAL CN_LGMV MVC Jig DIP Switch WCN_GND2 WCN_GND1 CN_AC_ CN_AC_ REACT_OUT REACT_IN CN_COM3 Thermistor Thermistor...
  • Page 31 Product Data Multi Multiple type 2. S33W18U2GA0.EC6BEEU [RM3U19.U24] 2.7 Combination Table 2.7.1 Cooling Combination of Total Capacity Input Indoor Unit (kBtu/h Class) UNIT Rated Rated UNIT-A UNIT-B UNIT-C UNIT-D Total Btu/h Btu/h Btu/h 2 UNIT 10,800 18,000 21,600 1,400 1,818 3 UNIT 10,800 18,000...
  • Page 32 Product Data Multi Multiple type 2. S33W18U2GA0.EC6BEEU [RM3U19.U24] 2.8 Capacity Tables 2.8.1 Cooling Indoor Air Temp.: ℃WB Outdoor Air Combination Temp.: ℃ Capacity Index 3.10 0.50 4.03 0.63 4.74 0.73 5.28 0.80 5.82 0.83 6.23 0.83 3.10 0.59 4.03 0.74 4.74 0.86 5.28...
  • Page 33 Multi Multiple type Product Data 2. S33W18U2GA0.EC6BEEU [RM3U19.U24] 2.9 Capacity Correction Factor 2.9.1 Cooling Combination Capacity correction factor (%) by equivalent pipe length (m) (Capacity ind ex, kBtu/h) 100.0 100.0 98.0 94.8 91.6 88.4 100.0 100.0 97.6 93.8 89.9 86.1 2.9.2 Heating Combination Capacity correction factor (%) by equivalent pipe length (m)
  • Page 34 Multi Multiple type Product Data 2. S33W18U2GA0.EC6BEEU [RM3U19.U24] 2.10 Operation Limits 2.10.1 Cooling Continuous operation 10 12 Indoor Temperature [°C WB] 2.10.2 Heating Continuous Operation Indoor Tem [°C D B] Note ■ Warming up operation and operative mean that the outdoor unit operates to reach the range of continuous operating, however it may not operate continuously due to safety or protection logic.
  • Page 35 Multi Multiple type Product Data 2. S33W18U2GA0.EC6BEEU [RM3U19.U24] 2.11 Sound Levels 2.11.1 Pressure Levels Night Low Noise Operation / Silent Mode ■ Cooling SPL [dB(A)] Capacity [%] Mode ▲ Heating Cool Heat Cool Heat Step1 / F1 43.0 46.0 95.0 88.0 Step2 / F2 39.0...
  • Page 36 Product Data Multi Multiple type 2. S33W18U2GA0.EC6BEEU [RM3U19.U24] 2.11.2 Power Levels Night Low Noise Operation / Silent Mode PWL [dB(A)] Capacity [%] ■ Cooling Mode Cool Heat Cool Heat Step1 / F1 57.0 Step2 / F2 53.0 NR-110 NR-105 *How to set mode can be vary depending on function. Please refer to manual for details.
  • Page 37 Installation Installation of Outdoor Unit...
  • Page 38 Installation of Outdoor Unit Installation 1. Information for Refrigerant 1.1 Alternative Refrigerant The type of refrigerant applied depends on the outdoor unit cycle configuration. Ensure the refrigerant type in the specification of the indoor unit and outdoor unit to be installed. ■...
  • Page 39 Installation of Outdoor Unit Installation 1. Information for Refrigerant 1.2 Minimum Floor Area for Installation : accordance with IEC05 Floor location Wall mounted Ceiling mounted Total refrigerant amount in the system ( kg ) <!> CAUTIONS • "Minimum Area for installation" might be different by revision of IEC regulation. "Minimum Area for installation" should be selected in accordance with that revision based on the local and national environment.
  • Page 40 Installation of Outdoor Unit Installation 1. Information for Refrigerant 1.3 Minimum Floor Area for Installation : accordance with IEC06 2500 Floor standing 2000 1500 1000 Wall mounted Ceiling mounted Total refrigerant amount in the system ( kg ) <!> CAUTIONS •...
  • Page 41 Installation of Outdoor Unit Installation 2. Selection of the best Location 2.1 Best Location Select space for installing outdoor unit, which will meet the following conditions: • No direct thermal radiation from other heat sources. • No possibility of annoying neighbors due to noise of unit. •...
  • Page 42 Installation of Outdoor Unit Installation 2. Selection of the best Location 2.2 Special guide for installation at the Seaside Windbreak Sea wind Sea wind Sea wind ※ This figure is representative. Actual appearance of outdoor unit may be different by product type. <...
  • Page 43 Installation of Outdoor Unit Installation 3. Refrigerant Piping System • This figure is representative. Actual appearance of units may be different by product type, but schematic diagram will stay the same. • Specific design limit details may differ depending on each model. Refer to the ‘Specifications’ and ‘Combination Table’. (Maximum piping length, elevation height, combinable number/capacity of indoor unit, type of combinable indoor unit type, etc) •...
  • Page 44 Installation of Outdoor Unit Installation 4. Electrical Wiring • The conductive shielding layer of cable should be grounded to the metal part of both units. • As this unit is equipped with an inverter, to install a phase leading capacitor not only will deteriorate power factor improvement effect, but also may cause capacitor abnormal heating.
  • Page 45 Installation of Outdoor Unit Installation 5. Field Wiring !! This System is representative Example. !! * : Actual combination of indoor units and BD units may be different by Product line-up of region or Product Type. Outdoor Power Supply (Main Switch) R S T N R S T Switch...
  • Page 46 Copyright 2023 LG Electronics Inc. All Rights Reserved. The air conditioners manufactured by LG have received ISO9001 certificate for quality assurance and ISO14001 certificate for environmental management system. The specifications, designs, and information in this brochure are subject to change without notice.

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Rm3u19.u24S32w14ulga0.ec6beeuS33w18u2ga0.ec6beeu