LG Multi V ARNU093TUD4 Engineering Manual
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LG Multi V ARNU093TUD4 Engineering Manual

Ceiling cassette indoor unit; one-way ceiling cassettes; two-way ceiling cassettes; four-way ceiling cassettes
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CEILING CASSETTE INDOOR UNIT
ENGINEERING MANUAL
One-Way Ceiling Cassettes
Two-Way Ceiling Cassettes
7,500 to 24,200 Btu/h
19,100 to 24,200 Btu/h
Four-Way Ceiling Cassettes
5,500 to 48,100 Btu/h

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Summary of Contents for LG Multi V ARNU093TUD4

  • Page 1 CEILING CASSETTE INDOOR UNIT ENGINEERING MANUAL One-Way Ceiling Cassettes Two-Way Ceiling Cassettes 7,500 to 24,200 Btu/h 19,100 to 24,200 Btu/h Four-Way Ceiling Cassettes 5,500 to 48,100 Btu/h...
  • Page 2 LATS software programs, and more, log in to www.lghvac.com. For continual product development, LG Electronics U.S.A., Inc. reserves the right to change specifications without notice. © LG Electronics U.S.A., Inc.

  • Page 3: Table Of Contents

    TABLE OF CONTENTS Unit Nomenclature ................. 4 Four-Way Ceiling-Cassette Indoor Units ........54-126 ............54-55 LATS Overview ................... 5-6 ................56-60 ................... 59 One-Way Ceiling-Cassette Indoor Units ......... 7-35 ..............62-66 ..............9 ............67-70 ................10-11 ..............71 ................... 12 ................

  • Page 4: Unit Nomenclature

    UNIT NOMENCLATURE Family ARN = Multi V Indoor Unit (Refrigerant R410A) Type U = DC Inverter Heat Pump Indoor Unit Nominal Capacity 05 = 5,000 Btu/h 18 = 18,000 Btu/h 42 = 42,000 Btu/h 07 = 7,000 Btu/h 24 = 24,000 Btu/h 48 = 48,000 Btu/h 09 = 9,000 Btu/h 28 = 28,000 Btu/h...
  • Page 5 LG offers, free of charge, LG Air Conditioner Technical Solution (LATS) software—a total design solution for LG air conditioning systems. Formats LATS is available to LG customers in three user interfaces: LATS HVAC, LATS CAD2, and LATS REVIT. All three LATS formats are available through www.myLGHVAC.com, or contact an LG Sales Representative. LATS HVAC is a Windows -based application that aids engineers in designing LG Variable Refrigerant Flow (VRF), Multi F / Multi F MAX, ®...
  • Page 6 LATS can generate an Excel GERP report that can imported into the LG SOPS pricing and ordering system.
  • Page 7 ONE-WAY CEILING CASSETTE Mechanical Specifications on page 8 General Data on page 10 Electrical Data on page 12 External Dimensions on page 13 Electrical Wiring Diagrams on page 15 Refrigerant Flow Diagrams on page 17 Acoustic Data on page 18 Air Velocity / Temperature Distribution on page 22 Fresh Air Ventilation on page 30 Capacity Tables on page 31...
  • Page 8 80°F. The unit is equipped with Return air is filtered with a removable, washable filter with anti-fungal an infrared receiver designed to communicate with an LG wireless treatment. Plasma filter accessories are also available separately. remote controller. In lieu of wireless remote or factory return air...
  • Page 9 • External on / off control a reason for the code displayed. • Dual thermistor control Indoor units are Wi-Fi compatible with the addition of an LG Wi-Fi • Dual setpoint control module accessory, and can be controlled by LG’s Smart ThinQ™...
  • Page 10 ONE-WAY CEILING CASSETTE General Data Table 1: One-Way Ceiling Cassette (TU Frames) Indoor Unit General Data. Model No. ARNU073TUD4 ARNU093TUD4 ARNU123TUD4 Capacity (Btu/h) 7,500 9,600 12,300 Power Input Capacity (Btu/h) 8,500 10,900 13,600 Power Input Cooling Max (°F WB) Heating Min (°F DB) Refrigerant Type R410A R410A...
  • Page 11 ONE-WAY CEILING CASSETTE General Data Table 2: One-Way Ceiling Cassette (TT Frames) Indoor Unit General Data. Model No. ARNU183TTD4 ARNU243TTD4 Capacity (Btu/h) 19,100 24,200 Power Input Capacity (Btu/h) 21,500 24,200 Power Input Cooling Max (°F WB) Heating Min (°F DB) Refrigerant Type R410A R410A...
  • Page 12 ONE-WAY CEILING CASSETTE Electrical Data Table 3: One-Way Ceiling Cassette Indoor Unit Electrical Data. Power Supply Power Input (W) Voltage Model Number Rated Amps (A) Range Volts Phase Cooling Heating ARNU073TUD4 0.23 0.18 ARNU093TUD4 187-253 0.23 0.18 208-230 ARNU123TUD4 0.23 0.18 ARNU183TTD4 0.38...
  • Page 13 ONE-WAY CEILING CASSETTE External Dimensions TU Frame with PT-UUC1 Grille Figure 3: ARNU073TUD4, ARNU093TUD4, ARNU123TUD4 Dimensions (PT-UUC1 Grille). 13-7/8 2-5/8 2-1/4 4-3/16 8-1/8 3-13/16 10-11/16 5-1/4 6-5/8 Unit: inches Note: All measurements have a tolerance of ±1/4 in. 1-3/8 19-11/16 ©...
  • Page 14 ONE-WAY CEILING CASSETTE External Dimensions TT Frame with PT-UTC Grille Figure 4: ARNU183TTD4, ARNU243TTD4 Dimensions (PT-UTC Grille). 6-7/8 3-13/16 3-1/2 9-3/4 2-1/4 7-1/16 13/16 2-9/16 1-1/4 2-5/8 5-3/16 13-7/8 Unit: inches Note: All measurements have a tolerance of ±1/4 in. 1-5/16 19-11/16 14 | ONE-WAY...
  • Page 15 ONE-WAY CEILING CASSETTE Electrical Wiring Diagram TU and TT Frames Figure 5: TU, TT Frame Wiring Diagram. © ONE-WAY | 15...
  • Page 16 ONE-WAY CEILING CASSETTE Electrical Wiring Diagram TU and TT Frames Table 4: TU, TT Frame Wiring Diagram Legend. Terminal Purpose Function CN_MOTOR1 Fan motor output Motor output of BLDC CN_WF Wi-Fi module Wi-Fi module connection CN-PTC Auxiliary heater Auxiliary heater connection CN_DUST CN_FLOAT Float switch input...
  • Page 17 ONE-WAY CEILING CASSETTE Refrigerant Flow Diagram TU and TT Frames Figure 6: TU, TT Frame Piping Diagram. Cooling Heat Exchanger Heating Filter C.F.F. Filter lndoor unit Table 6: TU, TT Frame Refrigerant Pipe Connection Port Diameters. Model Liquid (inch) Gas (inch) ARNU073TUD4 ARNU093TUD4 ARNU123TUD4...
  • Page 18 ONE-WAY CEILING CASSETTE Acoustic Data Sound Pressure Levels Figure 7: Sound Pressure Measurement Location. • Measurements are taken 4.9 ft away from the front of the unit. • Sound pressure levels are measured in dB(A) with a tolerance of ±3. •...
  • Page 19 ONE-WAY CEILING CASSETTE Acoustic Data Sound Pressure Levels Figure 9: ARNU183TTD4 and ARNU243TTD4 Sound Pressure Level Diagrams. ARNU183TTD4 ARNU243TTD4 © ONE-WAY | 19...
  • Page 20 ONE-WAY CEILING CASSETTE Acoustic Data Sound Power Levels Table 9: One-Way Ceiling Cassette Indoor Unit Sound Power Levels. • Data is valid under diffuse field conditions. • Data is valid under nominal operating conditions. Sound Power Levels dB(A) Model • Sound power level is measured using rated conditions, and tested High Fan Speed in a reverberation room per ISO 3741 standards.
  • Page 21 ONE-WAY CEILING CASSETTE Acoustic Data Sound Power Levels Figure 11: ARNU183TTD4 and ARNU243TTD4 Sound Power Level Diagrams. ARNU183TTD4 ARNU243TTD4 © ONE-WAY | 21...
  • Page 22 ONE-WAY CEILING CASSETTE Air Velocity / Temperature Distribution ARNU073TUD4 Figure 12: ARNU073TUD4. Cooling Heating Discharge angle: 20° Discharge angle: 20° Air velocity [m/s(ft/s)] Air velocity [m/s(ft/s)] 2.7m 2.7m 2.0(6.6) 2.0(6.6) (8.9ft) (8.9ft) (6.6ft) (6.6ft) (3.3ft) (3.3ft) 5m(16.4ft) 4m(13.1ft) 3m(9.8ft) 2m(6.6ft) 1m(3.3ft) 5m(16.4ft) 4m(13.1ft)
  • Page 23 ONE-WAY CEILING CASSETTE Air Velocity / Temperature Distribution ARNU073TUD4, ARNU093TUD4 Figure 13: ARNU073TUD4, continued. Cooling Heating Discharge angle: 70° Discharge angle: 70° Air velocity [m/s(ft/s)] Air velocity [m/s(ft/s)] 2.7m 2.7m (8.9ft) (8.9ft) (6.6ft) (6.6ft) (3.3ft) (3.3ft) 5m(16.4ft) 4m(13.1ft) 3m(9.8ft) 2m(6.6ft) 1m(3.3ft) 5m(16.4ft) 4m(13.1ft)
  • Page 24 ONE-WAY CEILING CASSETTE Air Velocity / Temperature Distribution ARNU093TUD4 Figure 15: ARNU093TUD4, continued. Cooling Heating Discharge angle: 50° Discharge angle: 60° Air velocity [m/s(ft/s)] Air velocity [m/s(ft/s)] 2.7m 2.7m 0.1(0.3) 0.1(0.3) (8.9ft) (8.9ft) (6.6ft) (6.6ft) (3.3ft) (3.3ft) 1.5(4.9) 0.5(1.6) 1.0(3.3) 0.1(0.3) 1.0(3.3) 0.5(1.6)
  • Page 25 ONE-WAY CEILING CASSETTE Air Velocity / Temperature Distribution ARNU123TUD4 Figure 16: ARNU123TUD4. Cooling Heating Discharge angle: 20° Discharge angle: 20° Air velocity [m/s(ft/s)] Air velocity [m/s(ft/s)] 2.7m 2.7m 2.5(8.2) 2.0(6.6) 2.5(8.2) 2.0(6.6) 1.5(4.9) (8.9ft) (8.9ft) 1.0(3.3) (6.6ft) (6.6ft) (3.3ft) (3.3ft) 5m(16.4ft) 4m(13.1ft) 3m(9.8ft)
  • Page 26 ONE-WAY CEILING CASSETTE Air Velocity / Temperature Distribution ARNU123TUD4, ARNU183TTD4 Figure 17: ARNU123TUD4, continued. Cooling Heating Discharge angle: 70° Discharge angle: 70° Air velocity [m/s(ft/s)] Air velocity [m/s(ft/s)] 2.7m 2.7m (8.9ft) (8.9ft) (6.6ft) (6.6ft) (3.3ft) (3.3ft) 5m(16.4ft) 4m(13.1ft) 3m(9.8ft) 2m(6.6ft) 1m(3.3ft) 5m(16.4ft) 4m(13.1ft)
  • Page 27 ONE-WAY CEILING CASSETTE Air Velocity / Temperature Distribution ARNU183TTD4 Figure 19: ARNU183TTD4, continued. Cooling Heating Discharge angle: 50° Discharge angle: 60° Air velocity [m/s(ft/s)] Air velocity [m/s(ft/s)] 2.7m 2.7m (8.9ft) (8.9ft) (6.6ft) (6.6ft) (3.3ft) (3.3ft) 1.0(3.3) 5m(16.4ft) 4m(13.1ft) 3m(9.8ft) 2m(6.6ft) 1m(3.3ft) 5m(16.4ft) 4m(13.1ft)
  • Page 28 ONE-WAY CEILING CASSETTE Air Velocity / Temperature Distribution ARNU243TTD4 Figure 20: ARNU243TTD4. Cooling Heating Discharge angle: 20° Discharge angle: 20° Air velocity [m/s(ft/s)] Air velocity [m/s(ft/s)] 2.7m 2.7m 2.5(8.2) 2.0(6.6) 2.0(6.6) (8.9ft) (8.9ft) 1.5(4.9) 1.5(4.9) 0.1(0.3) 0.1(0.3) 1.0(3.3) 0.5(1.6) (6.6ft) (6.6ft) (3.3ft) (3.3ft)
  • Page 29 ONE-WAY CEILING CASSETTE Air Velocity / Temperature Distribution ARNU243TTD4 Figure 21: ARNU243TTD4, continued. Cooling Heating Discharge angle: 70° Discharge angle: 70° Air velocity [m/s(ft/s)] Air velocity [m/s(ft/s)] 2.7m 2.7m (8.9ft) (8.9ft) (6.6ft) (6.6ft) (3.3ft) (3.3ft) 5m(16.4ft) 4m(13.1ft) 3m(9.8ft) 2m(6.6ft) 1m(3.3ft) 5m(16.4ft) 4m(13.1ft) 3m(9.8ft)
  • Page 30 ONE-WAY CEILING CASSETTE Fresh Air Ventilation TU, TT Frame Figure 22: TU Frame Fresh Air Ventilation. Figure 23: TT Frame Fresh Air Ventilation. 30 | ONE-WAY ©...
  • Page 31 TC: Total Capacity (MBh); SHC: Sensible Heat Capacity (MBh). For outdoor unit performance data, see the respective outdoor unit performance data manuals on www.lg-vrf.com. The System Combination Ratio must be between 50–130%. Rated capacity is certified under AHRI Standard 1230. Ratings are subject to change without notice.
  • Page 32 TC: Total Capacity (MBh); SHC: Sensible Heat Capacity (MBh). For outdoor unit performance data, see the respective outdoor unit performance data manuals on www.lg-vrf.com. The System Combination Ratio must be between 50–130%. Rated capacity is certified under AHRI Standard 1230. Ratings are subject to change without notice.
  • Page 33 TC: Total Capacity (MBh). For outdoor unit performance data, see the respective outdoor unit performance data manuals on www.lg-vrf.com. The System Combination Ratio must be between 50–130%. Rated capacity is certified under AHRI Standard 1230. Ratings are subject to change without notice.
  • Page 34 TC: Total Capacity (MBh). For outdoor unit performance data, see the respective outdoor unit performance data manuals on www.lg-vrf.com. The System Combination Ratio must be between 50–130%. Rated capacity is certified under AHRI Standard 1230. Ratings are subject to change without notice.

  • Page 35: One-Way Ceiling-Cassette Indoor Units

    ONE-WAY CEILING CASSETTE Accessories Table 14: Accessories for One-Way Ceiling-Cassette Indoor Units. Accessory Model Number PT-UUC1 (For 7 to 12MBh One-Way Indoor Units) One-Way Ceiling Cassette Grille Kit (One Required) PT-UTC (For 18 and 24MBh One-Way Indoor Units) PTPKU0 (For TU One-Way Indoor Units) Plasma Filter Kit (One) PTPKT0 (For TT One-Way Indoor Units) PRARH1...
  • Page 36 TWO-WAY CEILING CASSETTE Mechanical Specifications on page 37 General Data on page 39 Electrical Data on page 39 External Dimensions on page 40 Electrical Wiring Diagram on page 41 Refrigerant Flow Diagram on page 43 Acoustic Data on page 44 Air Velocity / Temperature Distribution on page 46 Capacity Tables on page 50 Optional Accessories on page 52...
  • Page 37 80°F. The unit is equipped with an infrared receiver designed to communicate with an LG wireless remote controller. In lieu of wireless remote or factory return air Air Filter...
  • Page 38 • Auto restart • External on/off control Indoor units are Wi-Fi compatible with the addition of an LG Wi-Fi • Dual thermistor control module accessory, and can be controlled by LG’s Smart ThinQ™ • Dual set-point control app on a smart device.
  • Page 39 TWO-WAY CEILING CASSETTE General Data / Electrical Data Table 15: Two-Way Ceiling Cassette (TS Frames) Indoor Unit General Data. Model No. ARNU183TSA4 ARNU243TSA4 Capacity (Btu/h) 19,100 24,200 Power Input Capacity (Btu/h) 21,500 27,300 Power Input Cooling Max (°F WB) Heating Min (°F DB) Refrigerant Type R410A R410A...
  • Page 40 TWO-WAY CEILING CASSETTE External Dimensions TS Frame Figure 24: ARNU183TSA4, ARNU243TSA4 Dimensions. 5-7/8 4-15/16 4-15/16 5-1/4 7-1/2 Condensate Lift: 27-9/16 5-1/2 16-1/8 (Hanging Bolt) 5-1/2 2-9/16 (Air Outlet Hole) 8-7/8 27-3/16 1-1/8 13/16 ± 1/8 40 | T WO-WAY ©...
  • Page 41 TWO-WAY CEILING CASSETTE Electrical Wiring Diagram TS Frame Figure 25: ARNU183TSA4, ARNU243TSA4 Wiring Diagram. 5/18 © T WO-WAY | 41...
  • Page 42 TWO-WAY CEILING CASSETTE Electrical Wiring Diagram TS Frame Table 17: TS Frame Wiring Diagram Legend. Terminal Purpose Function CN-MOTOR1 Fan motor output Motor output of BLDC CN-EEV EEV Output EEV Control output CN-CC Dry Contact Dry Contact CN-OPTION Option PCB (EEPROM) Option PCB connection CN-ROOM Room sensor...
  • Page 43 TWO-WAY CEILING CASSETTE Refrigerant Flow Diagram TS Frame Figure 26: TS Piping Diagram. :Cooling Heat Exchanger :Heating Filter Turbo Fan Filter lndoor unit Table 19: TS Frame Refrigerant Pipe Connection Port Diameters. Model Liquid (inch) Gas (inch) ARNU183TSA4 ARNU243TSA4 Table 20: TS Frame Thermistors. Thermistor Description Return air thermistor...
  • Page 44 TWO-WAY CEILING CASSETTE Acoustic Data Sound Pressure Levels Figure 27: Sound Pressure Measurement Location. • Measurements are taken 4.9 ft. away from the front of the unit. • Data is valid under nominal operating conditions. • Sound pressure levels are measured in dB(A) with a tolerance of ±3. •...
  • Page 45 TWO-WAY CASSETTE Acoustic Data Sound Power Levels Table 22: Two-Way Ceiling Cassette Indoor Unit Sound Power Levels. • Data is valid under diffuse field conditions. • Data is valid under nominal operating conditions. Sound Levels dB(A) Model • Sound power level is measured using rated conditions, and tested High Fan Speed in a reverberation room per ISO 3741 standards.
  • Page 46 TWO-WAY CEILING CASSETTE Air Velocity / Temperature Distribution ARNU183TSA4 ARNU183TSA4 Cooling Heating Discharge angle: 35° Discharge angle: 35° Air velocity (ft./s) Air velocity (ft./s) 8.9 ft. 8.9 ft. 6.6 ft. 6.6 ft. 3.3 ft. 3.3 ft. 13.1 ft. 9.8 ft. 6.6 ft.
  • Page 47 TWO-WAY CEILING CASSETTE Air Velocity / Temperature Distribution ARNU183TSA4 Cooling Heating Discharge angle: 80° Discharge angle: 80° Air velocity (ft./s) Air velocity (ft./s) 8.9 ft. 8.9 ft. 6.6 ft. 6.6 ft. 3.3 ft. 3.3 ft. 13.1 ft. 9.8 ft. 6.6 ft. 3.3 ft.
  • Page 48 TWO-WAY CEILING CASSETTE Air Velocity / Temperature Distribution ARNU243TSA4 ARNU243TSA4 Cooling Heating Discharge angle: 35° Discharge angle: 35° Air velocity (ft./s) Air velocity (ft./s) 8.9 ft. 8.9 ft. 6.6 ft. 6.6 ft. 3.3 ft. 3.3 ft. 13.1 ft. 9.8 ft. 6.6 ft.
  • Page 49 TWO-WAY CEILING CASSETTE Air Velocity / Temperature Distribution ARNU243TSA4 Cooling Heating Discharge angle: 80° Discharge angle: 80° Air velocity (ft./s) Air velocity (ft./s) 8.9 ft. 8.9 ft. 6.6 ft. 6.6 ft. 3.3 ft. 3.3 ft. 13.1 ft. 9.8 ft. 6.6 ft. 3.3 ft.
  • Page 50 +122°F, and is achieved only when all indoor units are operating in cooling mode. Does not impact For outdoor unit performance data, see the respective outdoor unit performance data manuals on heat recovery system synchronous operating range. www.lg-vrf.com. The System Combination Ratio must be between 50–130%. 50 | T WO-WAY...
  • Page 51 TC: Total Capacity (MBh). For outdoor unit performance data, see the respective outdoor unit performance data manuals on www.lg-vrf.com. The System Combination Ratio must be between 50–130%. Rated capacity is certified under AHRI Standard 1230. Ratings are subject to change without notice.

  • Page 52: Optional Accessories

    TWO-WAY CEILING CASSETTE Optional Accessories Table 25: Optional Accessories for Two-Way Ceiling Cassette Indoor Units. Accessory Model Number Two-Way Ceiling Cassette Grille Kit (One Required) PT-USC Auxiliary Heater Kit PRARH1 Wi-Fi Module PWFMDD200 All accessories are sold separately. 52 | T WO-WAY ©...
  • Page 53 FOUR-WAY 2' x 2' Frame 3' x 3' Frame CEILING CASSETTE Mechanical Specifications on page 54 General Data on page 56 Electrical Data on page 61 External Dimensions on page 62 Electrical Wiring Diagrams on page 67 Refrigerant Flow Diagrams on page 71 Acoustic Data on page 72 Air Velocity / Temperature Distribution on page 81 Fresh Air Ventilation on page 109...
  • Page 54 The case has a factory designated cutout for the connection of a provides a high fan speed in cooling thermal ON and low fan speed field-supplied outside air duct. LG offers two flange kits. in cooling thermal OFF, high fan speed in heating thermal ON and fan off in heating thermal OFF.
  • Page 55 Mechanical Speci cations AWG, 2 conductor, stranded, and shielded cable (RS-485), terminat- The indoor units are Wi-Fi compatible with the addition of an LG Wi- ed via screw terminals on the control boards. The microprocessor Fi module accessory, and can be controlled by LG’s Smart ThinQ™...
  • Page 56 FOUR-WAY CEILING CASSETTE General Data Table 26: Four-Way Ceiling Cassette (2' x 2' TR and TQ Frames) Indoor Unit General Data. Model No. ARNU053TRD4 ARNU073TRD4 ARNU093TRD4 ARNU123TRD4 ARNU153TQD4 ARNU183TQD4 Capacity (Btu/h) 5,500 7,500 9,600 12,300 15,400 19,100 Power Input Capacity (Btu/h) 6,100 8,500 10,900...
  • Page 57 FOUR-WAY CEILING CASSETTE General Data Table 27: Four-Way Ceiling Cassette (3' x 3' TP Frames) Indoor Unit General Data. Model No. ARNU243TPC4 ARNU283TPC4 Capacity (Btu/h) 24,200 28,000 Power Input Capacity (Btu/h) 27,300 31,500 Power Input Cooling Max (°F WB) Heating Min (°F DB) Refrigerant Type R410A R410A...
  • Page 58 FOUR-WAY CEILING CASSETTE General Data Table 28: Four-Way Ceiling Cassette (3' x 3' TN Frames) Indoor Unit General Data. Model No. ARNU073TNA4 ARNU093TNA4 ARNU123TNA4 ARNU153TNA4 Capacity (Btu/h) 7,500 9,600 12,300 15,400 Power Input Capacity (Btu/h) 8,500 10,900 13,600 17,100 Power Input Cooling Max (°F WB) Heating Min (°F DB) Refrigerant Type...
  • Page 59 FOUR-WAY CEILING CASSETTE General Data Table 29: Four-Way Ceiling Cassette (3' x 3' TN Frames) Indoor Unit General Data, continued. Model No. ARNU183TNA4 ARNU243TNA4 ARNU363TNC4 Capacity (Btu/h) 19,100 24,200 36,200 Power Input Capacity (Btu/h) 21,500 27,300 40,600 Power Input Cooling Max (°F WB) Heating Min (°F DB) Refrigerant Type R410A...
  • Page 60 FOUR-WAY CEILING CASSETTE General Data Table 30: Four-Way Ceiling Cassette (3' x 3' TM Frames) Indoor Unit General Data. Model No. ARNU243TMA4 ARNU283TMA4 ARNU363TMA4 ARNU423TMC4 ARNU483TMC4 Capacity (Btu/h) 24,200 28,000 36,200 42,000 48,100 Power Input Capacity (Btu/h) 27,300 31,500 40,600 43,800 51,200 Power Input...
  • Page 61 FOUR-WAY CEILING CASSETTE Electrical Data Table 31: Four-Way Ceiling Cassette (2' x 2' and 3' x 3' Frames) Indoor Unit Electrical Data. Power Supply Power Input (W) Model Voltage Range Rated Amps (A) Volts Phase Cooling Heating ARNU053TRD4 0.25 ARNU073TRD4 0.25 ARNU093TRD4 0.25...
  • Page 62 FOUR-WAY CEILING CASSETTE External Dimensions TR Frame Figure 30: ARNU053TRD4, ARNU073TRD4, ARNU093TRD4, ARNU123TRD4 Dimensions. 62 | FOUR-WAY ©...
  • Page 63 FOUR-WAY CEILING CASSETTE External Dimensions TQ Frame Figure 31: ARNU153TQD4, ARNU183TQD4 Dimensions. © FOUR-WAY | 63...
  • Page 64 FOUR-WAY CEILING CASSETTE External Dimensions TP Frame Figure 32: ARNU243TPC4, ARNU283TPC4 Dimensions. 64 | FOUR-WAY ©...
  • Page 65 FOUR-WAY CEILING CASSETTE External Dimensions TN Frame Figure 33: ARNU073TNA4, ARNU093TNA4, ARNU123TNA4, ARNU153TNA4, ARNU183TNA4, ARNU243TNA4, and ARNU363TNC4 Dimensions. © FOUR-WAY | 65...
  • Page 66 FOUR-WAY CEILING CASSETTE External Dimensions TM Frame Figure 34: ARNU243TMA4, ARNU283TMA4, ARNU363TMA4, ARNU423TMC4, and ARNU483TMC4 Dimensions. 66 | FOUR-WAY ©...
  • Page 67 FOUR-WAY CEILING CASSETTE Electrical Wiring Diagram TR and TQ Frames Figure 35: ARNU053TRD4, ARNU073TRD4, ARNU093TRD4, ARNU123TRD4, ARNU153TQD4, ARNU183TQD4 Wiring Diagram. © FOUR-WAY | 67...
  • Page 68 FOUR-WAY CEILING CASSETTE Electrical Wiring Diagram TR and TQ Frames Table 32: TR / TQ Frame Wiring Diagram Legend. Terminal Purpose Function CN_MOTOR1 Fan motor output Motor output of BLDC CN_WF Wi-Fi module Wi-Fi module connection CN-PTC Auxiliary heater Auxiliary heater connection CN_DUST CN_FLOAT Float switch input...
  • Page 69 FOUR-WAY CEILING CASSETTE Electrical Wiring Diagram TP, TN, and TM Frames Figure 36: ARNU243TPC4, ARNU283TPC4, ARNU073TNA4, ARNU093TNA4, ARNU123TNA4, ARNU153TNA4, ARNU183TNA4, ARNU243TNA4, ARNU363TNC4, ARNU243TMA4, ARNU283TMA4, ARNU363TMA4, ARNU423TMC4, ARNU483TMC4 Wiring Diagram. 5/18 © FOUR-WAY | 69...
  • Page 70 FOUR-WAY CEILING CASSETTE Electrical Wiring Diagram TP, TN, and TM Frames Table 34: TP, TN, and TM Frame Wiring Diagram Legend. Terminal Purpose Function CN-MOTOR1 Fan motor output Motor output of BLDC CN-D_PUMP Drain pump output AC output for drain pump CN-GRILL Elevation grille Elevation grille connection...
  • Page 71 FOUR-WAY CEILING CASSETTE Refrigerant Flow Diagram TR, TQ, TP, TN, TM Frames Figure 37: TR, TQ, TP, TN, TM Frame Piping Diagram. Cooling Heat Exchanger Heating Filter Turbo Fan Filter lndoor unit Table 36: TR, TQ, TP, TN, TM Frame Refrigerant Pipe Connection Port Diameters. Model Liquid (inch) Vapor (inch)
  • Page 72 FOUR-WAY CEILING CASSETTE Acoustic Data Sound Pressure Levels Figure 38: Sound Pressure Measurement Location. • Measurements are taken 4.9 ft away from the front of the unit. • Sound pressure levels are measured in dB(A) with a tolerance of ±3. •...
  • Page 73 FOUR-WAY CEILING CASSETTE Acoustic Data Sound Pressure Levels Figure 39: ARNU053TRD4, ARNU073TRD4, and ARNU093TRD4 Sound Pressure Level Diagrams. ARNU053TRD4 ARNU073TRD4 ARNU093TRD4 Figure 40: ARNU123TRD4, ARNU153TQD4, and ARNU183TQD4 Sound Pressure Level Diagrams. ARNU123TRD4 ARNU153TQD4 ARNU183TQD4 © FOUR-WAY | 73...
  • Page 74 FOUR-WAY CEILING CASSETTE Acoustic Data Sound Pressure Levels Figure 41: ARNU243TPC4 and ARNU283TPC4 Sound Pressure Level Diagrams. ARNU243TPC4 ARNU283TPC4 Figure 42: ARNU073TNA4, ARNU093TNA4, and ARNU123TNA4 Sound Pressure Level Diagrams. ARNU073TNA4 ARNU093TNA4 ARNU123TNA4 74 | FOUR-WAY ©...
  • Page 75 FOUR-WAY CEILING CASSETTE Acoustic Data Sound Pressure Levels Figure 44: ARNU153TNA4, ARNU183TNA4, and ARNU243TNA4 Sound Pressure Level Diagrams. ARNU153TNA4 ARNU183TNA4 ARNU243TNA4 Figure 43: ARNU363TNC4 Sound Pressure Level Figure 45: ARNU243TMA4 and ARNU283TMA4 Sound Pressure Level Diagrams. Diagram. ARNU243TMA4 ARNU283TMA4 ARNU363TNC4 ©...
  • Page 76 FOUR-WAY CEILING CASSETTE Acoustic Data Sound Pressure Levels Figure 46: ARNU363TMA4, ARNU423TMCA, and ARNU483TMCA Sound Pressure Level Diagrams. ARNU363TMA4 ARNU423TMC4 ARNU483TMC4 76 | FOUR-WAY ©...
  • Page 77 FOUR-WAY CEILING CASSETTE Acoustic Data Sound Power Levels Table 39: Four-Way Ceiling Cassette Indoor Unit Sound Power Levels. • Data is valid under diffuse field conditions. • Data is valid under nominal operating conditions. Sound Pressure Levels dB(A) Model • Sound power level is measured using rated conditions, and tested High Fan Speed in a reverberation room per ISO 3741 standards.
  • Page 78 FOUR-WAY CEILING CASSETTE Acoustic Data Sound Power Levels Figure 48: ARNU123TRD4, ARNU153TQD4, and ARNU183TQD4 Sound Power Level Diagrams. ARNU123TRD4 ARNU153TQD4 ARNU183TQD4 Figure 49: ARNU243TPC4 and ARNU283TPC4 Sound Power Level Diagrams. ARNU243TPC4 ARNU283TPC4 78 | FOUR-WAY ©...
  • Page 79 FOUR-WAY CEILING CASSETTE Acoustic Data Sound Power Levels Figure 50: ARNU073TNA4, ARNU093TNA4, and ARNU123TNA4 Sound Power Level Diagrams. ARNU073TNA4 ARNU093TNA4 ARNU123TNA4 Figure 51: ARNU153TNA4, ARNU183TNA4, and ARNU243TNA4 Sound Power Level Diagrams. ARNU153TNA4 ARNU183TNA4 ARNU243TNA4 © FOUR-WAY | 79...
  • Page 80 FOUR-WAY CEILING CASSETTE Acoustic Data Sound Power Levels Figure 52: ARNU363TNC4 Sound Power Level Figure 53: ARNU243TMA4 and ARNU283TMA4 Sound Power Level Diagrams. Diagram. ARNU243TMA4 ARNU283TMA4 ARNU363TNC4 Figure 54: ARNU363TMA4 Sound Power Level Figure 55: ARNU423TMC4 and ARNU483TMC4 Sound Power Level Diagrams. Diagram.
  • Page 81 FOUR-WAY CEILING CASSETTE Air Velocity / Temperature Distribution ARNU053TRD4 Figure 56: ARNU053TRD4. i l o i t a Discharge angle: 20° Discharge angle: 20° Air velocity ft/s Air velocity ft/s 8.9 ft 8.9 ft 3. 3 6.6 ft 6.6 ft 3.3 ft 3.3 ft 0 ft...
  • Page 82 FOUR-WAY CEILING CASSETTE Air Velocity / Temperature Distribution ARNU053TRD4, ARNU073TRD4 Figure 57: ARNU053TRD4, continued. Discharge angle: 70° Discharge angle: 70° Air velocity ft/s Air velocity ft/s 8.9 ft 8.9 ft 3. 3 4. 9 4. 9 3. 9 3. 9 1.
  • Page 83 FOUR-WAY CEILING CASSETTE Air Velocity / Temperature Distribution ARNU073TRD4 Figure 59: ARNU073TRD4, continued. n i l Discharge angle: 50° Discharge angle: 40° Air velocity ft/s Air velocity ft/s 8.9 ft 8.9 ft 6.6 ft 6.6 ft 3.3 ft 3.3 ft 8.2 ft 4.9 ft 0 ft...
  • Page 84 FOUR-WAY CEILING CASSETTE Air Velocity / Temperature Distribution ARNU093TRD4 Figure 60: ARNU093TRD4. i l o i t a Discharge angle: 20° Discharge angle: 20° Air velocity ft/s Air velocity ft/s 8.9 ft 8.9 ft 3. 3 6.6 ft 6.6 ft 3.3 ft 3.3 ft 8.2 ft...
  • Page 85 FOUR-WAY CEILING CASSETTE Air Velocity / Temperature Distribution ARNU093TRD4, ARNU123TRD4 Figure 61: ARNU093TRD4, continued. n i l Discharge angle: 70° Discharge angle: 70° Air velocity ft/s Air velocity ft/s 8.9 ft 8.9 ft 3. 3 4. 9 4. 9 3. 9 3.
  • Page 86 FOUR-WAY CEILING CASSETTE Air Velocity / Temperature Distribution ARNU123TRD4 Figure 63: ARNU123TRD4, continued. Discharge angle: 50° Discharge angle: 40° Air velocity ft/s Air velocity ft/s 8.9 ft 8.9 ft 6.6 ft 6.6 ft 3.3 ft 3.3 ft 4.9 ft 8.2 ft 4.9 ft 4.9 ft 8.2 ft...
  • Page 87 FOUR-WAY CEILING CASSETTE Air Velocity / Temperature Distribution ARNU153TQD4 Figure 64: ARNU153TQD4. n i l Discharge angle: 20° Discharge angle: 20° Air velocity ft/s Air velocity ft/s 8.9 ft 8.9 ft 6.6 ft 6.6 ft 3.3 ft 3.3 ft 13.1 ft 6.6 ft 13.1 ft 0 ft...
  • Page 88 FOUR-WAY CEILING CASSETTE Air Velocity / Temperature Distribution ARNU153TQD4, ARNU183TQD4 Figure 65: ARNU153TQD4, continued. n i l Discharge angle: 70° Discharge angle: 70° Air velocity ft/s Air velocity ft/s 8.9 ft 8.9 ft 6.6 ft 6.6 ft 3.3 ft 3.3 ft 13.1 ft 6.6 ft 3.3 ft...
  • Page 89 FOUR-WAY CEILING CASSETTE Air Velocity / Temperature Distribution ARNU183TQD4 Figure 67: ARNU183TQD4, continued. n i l Discharge angle: 40° Discharge angle: 50° Air velocity ft/s Air velocity ft/s 8.9 ft 8.9 ft 6.6 ft 6.6 ft 3.3 ft 3.3 ft 6.6 ft 3.3 ft 3.3 ft...
  • Page 90 FOUR-WAY CEILING CASSETTE Air Velocity / Temperature Distribution ARNU243TPC4 Figure 68: ARNU243TPC4. Discharge angle: 20° Discharge angle: 20° Air velocity ft/s Air velocity ft/s 8.9 ft 8.9 ft 6.6 ft 6.6 ft 3.3 ft 3.3 ft 13.1 ft 9.8 ft 6.6 ft 3.3 ft 0 ft...
  • Page 91 FOUR-WAY CEILING CASSETTE Air Velocity / Temperature Distribution ARNU243TPC4, ARNU283TPC4 Figure 69: ARNU243TPC4, continued. n i l Discharge angle: 70° Discharge angle: 70° Air velocity ft/s Air velocity ft/s 8.9 ft 8.9 ft 6.6 ft 6.6 ft 3.3 ft 3.3 ft 6.6 ft 3.3 ft 0 ft...
  • Page 92 FOUR-WAY CEILING CASSETTE Air Velocity / Temperature Distribution ARNU283TPC4 Figure 71: ARNU283TPC4, continued. n i l Discharge angle: 40 ° Discharge angle: 50 ° Air velocity ft/s Air velocity ft/s 8.9 ft 8.9 ft 6.6 ft 6.6 ft 3.3ft 3.3 ft 3.3 ft 0 ft 3.3 ft...
  • Page 93 FOUR-WAY CEILING CASSETTE Air Velocity / Temperature Distribution ARNU073TNA4, ARNU093TNA4 Figure 72: ARNU073TNA4 and ARNU093TNA4. Discharge angle: 20° Discharge angle: 20° Air velocity ft/s Air velocity ft/s 8.9 ft 8.9 ft 1.5(4.9) 1.5(4.9 2.0(6.6) 1.0(3.3) 1.0(3.3) 0.5 1.6 0.5(1.6) 1.6 6.6 ft 6.6 ft 0.5(1.6 )
  • Page 94 FOUR-WAY CEILING CASSETTE Air Velocity / Temperature Distribution ARNU073TNA4, ARNU093TNA4, ARNU123TNA4, ARNU153TNA4 Figure 73: ARNU073TNA4 and ARNU093TNA4, continued. Cooling Heating Discharge angle: 70° Discharge angle: 70° Air velocity ft/s Air velocity ft/s 8.9 ft 8.9 ft 6.6 ft 6.6 ft 3.3 ft 3.3 ft 1.0(3.3)
  • Page 95 FOUR-WAY CEILING CASSETTE Air Velocity / Temperature Distribution ARNU123TNA4, ARNU153TNA4 Figure 75: ARNU123TNA4 and ARNU153TNA4, continued. Cooling Heating Discharge angle: 40° Discharge angle: 50° Air velocity ft/s Air velocity ft/s 8.9 ft 8.9 ft 6.6 ft 6.6 ft 3.3 ft 3.3 ft 0.5(1.6) 16.4 ft...
  • Page 96 FOUR-WAY CEILING CASSETTE Air Velocity / Temperature Distribution ARNU183TNA4 Figure 76: ARNU183TNA4. Cooling Heating Discharge angle: 70° Discharge angle: 70° Air velocity ft/s Air velocity ft/s 8.9 ft 8.9 ft 6.6 ft 6.6 ft 3.3 ft 3.3 ft 1.0(3.3) 16.4ft 13.1 ft 9.8 ft 6.6 ft...
  • Page 97 FOUR-WAY CEILING CASSETTE Air Velocity / Temperature Distribution ARNU183TNA4, ARNU243TNA4 Figure 77: ARNU183TNA4, continued. Cooling Heating Discharge angle: 70° Discharge angle: 70° Air velocity ft/s Air velocity ft/s 8.9 ft 8.9 ft 6.6 ft 6.6 ft 3.3 ft 3.3 ft 13.1 ft 9.8 ft 6.6 ft...
  • Page 98 FOUR-WAY CEILING CASSETTE Air Velocity / Temperature Distribution ARNU243TNA4 Figure 79: ARNU243TNA4, continued. Cooling Heating Discharge angle: 40° Discharge angle: 50° Air velocity ft/s Air velocity ft/s 8.9 ft 8.9 ft 6.6 ft 6.6 ft 3.3 ft 3.3 ft 3.3 ft 6.6 ft 3.3 ft 6.6 ft...
  • Page 99 FOUR-WAY CEILING CASSETTE Air Velocity / Temperature Distribution ARNU363TNC4 Figure 80: ARNU363TNC4. Discharge angle: 20° Discharge angle: 20° Air velocity ft/s Air velocity ft/s 8.9 ft 8.9 ft 11.5 11.5 6.6 ft 6.6 ft 3.3 ft 3.3 ft 16.4 ft 16.4 ft 3.3 ft 0 ft...
  • Page 100 FOUR-WAY CEILING CASSETTE Air Velocity / Temperature Distribution ARNU363TNC4 Figure 81: ARNU363TNC4, continued. n i l Discharge angle: 70° Discharge angle: 70° Air velocity ft/s Air velocity ft/s 8.9 ft 8.9 ft 13.1 13.1 11.5 11.5 6.6 ft 6.6 ft 3.3 ft 3.3 ft 16.4 ft...
  • Page 101 FOUR-WAY CEILING CASSETTE Air Velocity / Temperature Distribution ARNU243TMA4 Figure 82: ARNU243TMA4. Cooling Heating Discharge angle: 20° Discharge angle: 20° Air velocity ft/s Air velocity ft/s 8.9 ft 8.9 ft 11.5 11.5 6.6 ft 6.6 ft 3.3 ft 3.3 ft 3.3 ft 3.3 ft 16.4 ft...
  • Page 102 FOUR-WAY CEILING CASSETTE Air Velocity / Temperature Distribution ARNU243TMA4, ARNU283TMA4 Figure 83: ARNU243TMA4, continued. Cooling Heating Discharge angle: 70° Discharge angle: 70° Air velocity ft/s Air velocity ft/s 8.9 ft 8.9 ft 6.6 ft 6.6 ft 3.3 ft 3.3 ft 3.3 ft 16.4 ft 13.1 ft...
  • Page 103 FOUR-WAY CEILING CASSETTE Air Velocity / Temperature Distribution ARNU283TMA4 Figure 85: ARNU283TMA4, continued. Cooling Heating Discharge angle: 40° Discharge angle: 50° Air velocity ft/s Air velocity ft/s 8.9 ft 8.9 ft 13.1 13.1 11.5 11.5 6.6 ft 6.6 ft 3.3 ft 3.3 ft 16.4 ft 13.1 ft...
  • Page 104 FOUR-WAY CEILING CASSETTE Air Velocity / Temperature Distribution ARNU363TMA4 Figure 86: ARNU363TMA4. Cooling Heating Discharge angle: 20° Discharge angle: 20° Air velocity ft/s Air velocity ft/s 8.9 ft 8.9 ft 2.5(8.2) 11.5 2.5(8.2) 2.5(8.2) 11.5 11 .5 14.8 14.8 11 .5 2.0(6.6) 6.6 2.0(6.6) 13.1...
  • Page 105 FOUR-WAY CEILING CASSETTE Air Velocity / Temperature Distribution ARNU363TMA4, ARNU423TMC4 Figure 88: ARNU363TMA4, continued. Cooling Heating Discharge angle: 70° Discharge angle: 70° Air velocity ft/s Air velocity ft/s 8.9 ft 8.9 ft 3.0(9.8) 9.8 13.1 13.1 2.5(8.2) 8.2 11.5 6.6 ft 6.6 ft 2.0(6.6) 6.6 11.5...
  • Page 106 FOUR-WAY CEILING CASSETTE Air Velocity / Temperature Distribution ARNU423TMC4 Figure 89: ARNU423TMC4, continued. n i l Discharge angle: 40 Discharge angle: 50°° Air velocity ft/s Air velocity ft/s 10.5 ft 10.5 ft 13.1 13.1 13.1 13.1 6.6 ft 6.6 ft 3.3 ft 3.3 ft 16.4 ft...
  • Page 107 FOUR-WAY CEILING CASSETTE Air Velocity / Temperature Distribution ARNU483TMC4 Figure 90: ARNU483TMC4. Discharge angle: 20° Discharge angle: 20° Air velocity ft/s Air velocity ft/s 10.5 ft 10.5 ft 11.5 13.1 13.1 11.5 13.1 13.1 11.5 11.5 6.6 ft 6.6 ft 3.3 ft 3.3 ft 6.6 ft...
  • Page 108 FOUR-WAY CEILING CASSETTE Air Velocity / Temperature Distribution ARNU483TMC4 Figure 91: ARNU483TMC4, continued. n i l Discharge angle: 70° Discharge angle: 70° Air velocity ft/s Air velocity ft/s 10.5 ft 10.5 ft 13.1 13.1 13.1 13.1 11.5 11.5 6.6 ft 6.6 ft 3.3 ft 3.3 ft...
  • Page 109 FOUR-WAY CEILING CASSETTE Fresh Air Ventilation TR, TQ Frame Figure 92: TR Frame Fresh Air Ventilation. Fresh Air Ventilation (with PTVK430) -0.1 -0.2 -0.3 -0.4 -0.5 -0.6 -0.7 -0.8 -0.9 -1.0 Q (CFM) Figure 93: TQ Frame Fresh Air Ventilation. Fresh Air Ventilation (with PTVK430) -0.1 -0.2...
  • Page 110 FOUR-WAY CEILING CASSETTE Fresh Air Ventilation TP, TN, TM Frame Figure 94: TP, TN and TM Frame Fresh Air Ventilation with PTVK430 Accessory. Fresh Air Ventilation (with PTVK430) -0.1 -0.2 -0.3 -0.4 -0.5 TP/TN/TM -0.6 -0.7 -0.8 -0.9 -1.0 Q (CFM) Figure 95: TP, TN and TM Frame Fresh Air Ventilation with PTVK410 + PTVK420 Accessories.
  • Page 111 TC: Total Capacity (MBh); SHC: Sensible Heat Capacity (MBh). For outdoor unit performance data, see the respective outdoor unit performance data manuals on www.lg-vrf.com. The System Combination Ratio must be between 50–130%. Rated capacity is certified under AHRI Standard 1230. Ratings are subject to change without notice.
  • Page 112 TC: Total Capacity (MBh); SHC: Sensible Heat Capacity (MBh). For outdoor unit performance data, see the respective outdoor unit performance data manuals on www.lg-vrf.com. The System Combination Ratio must be between 50–130%. Rated capacity is certified under AHRI Standard 1230. Ratings are subject to change without notice.
  • Page 113 TC: Total Capacity (MBh); SHC: Sensible Heat Capacity (MBh). For outdoor unit performance data, see the respective outdoor unit performance data manuals on www.lg-vrf.com. The System Combination Ratio must be between 50–130%. Rated capacity is certified under AHRI Standard 1230. Ratings are subject to change without notice.
  • Page 114 TC: Total Capacity (MBh); SHC: Sensible Heat Capacity (MBh). For outdoor unit performance data, see the respective outdoor unit performance data manuals on www.lg-vrf.com. The System Combination Ratio must be between 50–130%. Rated capacity is certified under AHRI Standard 1230. Ratings are subject to change without notice.
  • Page 115 TC: Total Capacity (MBh); SHC: Sensible Heat Capacity (MBh). For outdoor unit performance data, see the respective outdoor unit performance data manuals on www.lg-vrf.com. The System Combination Ratio must be between 50–130%. Rated capacity is certified under AHRI Standard 1230. Ratings are subject to change without notice.
  • Page 116 TC: Total Capacity (MBh); SHC: Sensible Heat Capacity (MBh). For outdoor unit performance data, see the respective outdoor unit performance data manuals on www.lg-vrf.com. The System Combination Ratio must be between 50–130%. Rated capacity is certified under AHRI Standard 1230. Ratings are subject to change without notice.
  • Page 117 TC: Total Capacity (MBh); SHC: Sensible Heat Capacity (MBh). For outdoor unit performance data, see the respective outdoor unit performance data manuals on www.lg-vrf.com. The System Combination Ratio must be between 50–130%. Rated capacity is certified under AHRI Standard 1230. Ratings are subject to change without notice.
  • Page 118 TC: Total Capacity (MBh); SHC: Sensible Heat Capacity (MBh). For outdoor unit performance data, see the respective outdoor unit performance data manuals on www.lg-vrf.com. The System Combination Ratio must be between 50–130%. Rated capacity is certified under AHRI Standard 1230. Ratings are subject to change without notice.
  • Page 119 TC: Total Capacity (MBh). For outdoor unit performance data, see the respective outdoor unit performance data manuals on www.lg-vrf.com. The System Combination Ratio must be between 50–130%. Rated capacity is certified under AHRI Standard 1230. Ratings are subject to change without notice.
  • Page 120 TC: Total Capacity (MBh). For outdoor unit performance data, see the respective outdoor unit performance data manuals on www.lg-vrf.com. The System Combination Ratio must be between 50–130%. Rated capacity is certified under AHRI Standard 1230. Ratings are subject to change without notice.
  • Page 121 TC: Total Capacity (MBh). For outdoor unit performance data, see the respective outdoor unit performance data manuals on www.lg-vrf.com. The System Combination Ratio must be between 50–130%. Rated capacity is certified under AHRI Standard 1230. Ratings are subject to change without notice.
  • Page 122 TC: Total Capacity (MBh). For outdoor unit performance data, see the respective outdoor unit performance data manuals on www.lg-vrf.com. The System Combination Ratio must be between 50–130%. Rated capacity is certified under AHRI Standard 1230. Ratings are subject to change without notice.
  • Page 123 TC: Total Capacity (MBh). For outdoor unit performance data, see the respective outdoor unit performance data manuals on www.lg-vrf.com. The System Combination Ratio must be between 50–130%. Rated capacity is certified under AHRI Standard 1230. Ratings are subject to change without notice.
  • Page 124 TC: Total Capacity (MBh). For outdoor unit performance data, see the respective outdoor unit performance data manuals on www.lg-vrf.com. The System Combination Ratio must be between 50–130%. Rated capacity is certified under AHRI Standard 1230. Ratings are subject to change without notice.
  • Page 125 TC: Total Capacity (MBh). For outdoor unit performance data, see the respective outdoor unit performance data manuals on www.lg-vrf.com. The System Combination Ratio must be between 50–130%. Rated capacity is certified under AHRI Standard 1230. Ratings are subject to change without notice.

  • Page 126: Four-Way Ceiling-Cassette Indoor Units

    FOUR-WAY CEILING CASSETTE Optional Accessories Table 55: Optional Accessories for Four-Way Ceiling Cassette Indoor Units. Accessory Model Number PT-UQC (For 5~19MBh TR and TQ Frame Grille Kit — White (One Required) Indoor Units) PT-QCHW0 (For 5~19MBh TR and TQ Frame ' x 2') Four-Way Ceiling Cassette Grille Kit —...
  • Page 127 APPLICATION GUIDELINES Selecting the Best Location on page 128 General Mounting on page 129 General Drain Piping Information on page 130 Wiring Guidelines on page 132 Wired Controller Location on page 134 Acronyms on page 135...

  • Page 128: Four-Way Ceiling-Cassette Indoor Units

    APPLICATION GUIDELINES Selecting the Best Location Selecting the Best Location Figure 96: Selecting the Best Location / Minimum Clearance Require- ments — One-, Two-, and Four-Way Ceiling-Cassette Indoor Units. Do’s * Four-Way TQ/TR Frames • Place the unit where air circulation will not be blocked. •...

  • Page 129: Application Guidelines

    APPLICATION GUIDELINES General Mounting General Mounting The ceiling must be strong and solid enough to protect the unit from vibration. All ceiling-cassette indoor units include a pattern to help deter- mine the size necessary for the opening in the false ceiling (paper pattern dimensions match those for the ceiling opening dimensions), and where the hanging bolts and refrigerant / drain piping are placed.

  • Page 130: Application Guidelines

    APPLICATION GUIDELINES General Mounting / General Drain Piping Information General Mounting Procedure Figure 101: Using the Paper Pattern / Drilling Holes for the Bolts, Refrigerant and Condensate Piping. 1. Using the included paper pattern, select and mark the area where the hanging bolts, refrigerant and condensate piping will be placed.
  • Page 131 APPLICATION GUIDELINES General Drain Piping Information Flexible Drain Hose, continued. When the receiving drain line is mounted horizontal, connect the inverted trap to the top half of the pipe. The connection point of the inverted trap to the building drain pipe must always be to the top half of the pipe and must never be over 45° either side of the upper most point of the horizontal building drain line.

  • Page 132: Wiring Guidelines

    APPLICATION GUIDELINES Wiring Guidelines General Power Wiring / Communications Cable Guidelines • Follow manufacturer’s circuit diagrams displayed on the inside of the control box cover. • Have a separate power supply for the indoor units. • Provide a circuit breaker switch between the power source and the indoor unit. •...
  • Page 133 APPLICATION GUIDELINES Wiring Guidelines Figure 110: Location of Power Wiring / Communications Cable Terminals in the Four-Way Ceiling-Cassette Indoor Unit. Communications Cable Power Supply Figure 111: Terminal Block in the One-Way Ceiling-Cassette Indoor Unit. Outdoor Unit Terminal Block Indoor Unit Terminal Block SODU INTERNET DRY1...
  • Page 134 APPLICATION GUIDELINES Wired Controller Placement Figure 114: Proper Location for the Wired Controller. Wired Controller Placement Wired controllers include a sensor to detect room temperature. To maintain comfort levels in the conditioned space, the wired control- ler must be installed in a location away from direct sunlight, high humidity, and where it could be directly exposed to cold air.

  • Page 135: Acronyms

    Aq inches water Air Handling Unit International Standards Organization ASHRAE American Society of Heating, Refrigeration, and Air Conditioning LATS LG Air Conditioning Technical Solution software ASTM American Society for Testing and Materials Light Emitting Diode American Wire Gauge LEED...
  • Page 136 LG Electronics Commercial Products Support 1-888-865-3026 USA Follow the prompts for commercial A/C products. LG Electronics, U.S.A., Inc. EM_MultiV_CeilingCassette_IndoorUnits_6_18 Air Conditioning Technologies Supersedes: EM_MultiV_CeilingCassette_IndoorUnits_8_17 4300 North Point Parkway EM_MultiV_CeilingCassette_IndoorUnits_8_16 Alpharetta, Georgia 30022 EM_MultiV_CeilingCassette_IndoorUnits_4_16 www.lghvac.com...

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