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Multi F MAX Inverter Heat Pump Outdoor Unit
DFS‐SB‐AJ‐001‐US 012M18
Performance:
LMU540HV
Capacity (Btu/h) 54,000Cooling Power Input (kW) 5.10Heating Power Input (kW) 5.34Cooling Nominal Test Conditions: Heating Nominal Test Conditions:Indoor: 80°F DB/67°F WB Indoor: 70°F DB/60°F WBOutdoor: 95°F DB/75°F WB Outdoor: 47°F DB/43°F WB
Electrical:Power Supply (V¹/Hz/Ø) 208‐230/60/1MOP (A) 40MCA (A) 26.4Cooling Rated Amps (A) 21Heating Rated Amps (A) 21Compressor (A) 18.5Fan Motor (A) 2.5
Piping:
Refrigerant Charge (lbs) 9.7Liquid Line (in, OD) 3/8 (1 Each)Vapor Line (in, OD) 3/4 (1 Each)Max Total Piping (ft)² 476
Max Elevation between ODU and IDU (ft) 98Max Elevation between IDU and IDU (ft) 49
Controls Features: •Auto opera on •Auto restart opera on •Defrost/Deicing •Inverter (variable speed compressor) •Night Quiet Opera on
•Low ambient opera on to 14F (cooling mode) •Restart delay (3‐minutes) •Self diagnosis •So start
Operating Range:Cooling (°F DB) 14‐118Heating (°F WB) 0‐64
Unit Data:
Refrigerant Type R410ARefrigerant Control EEVSound Pressure⁴ Max (Cool/Heat) ±3 dB(A) 54/56Net Unit Weight (lbs) 214Shipping Weight (lbs) 236Heat Exchanger Coating GoldFin™
Max Number of Indoor Units 8
Compressor:
Quantity 1Type Twin‐Rotary InverterOil/Type FVC68D
Fan:
Type PropellerQuantity 2Fan Motor/Drive Brushless Digitally Controlled/DirectAirflow Rate (CFM) 2,119
Standard Features: •Limited Seven Year Compressor Warranty•Limited Five Year Functional Parts Warranty
Notes: 1.Acceptable opera ng voltage: 187V‐253V. 2.Piping lengths are equivalent. 3.At least one BD Unit is required for system opera on; a maximum of two can be installed
per ODU with use of Y‐branch accessory (PMBL5620). 4.Sound Pressure levels are tested in an anechoic chamber under ISO Standard 1996. 5.All communica on cable to be minimum 18 AWG, 2‐conductor, stranded, shielded and
must comply with applicable local and national code. 6.See Engineering Manual Capacity Tables for ODU sensible and latent capaci es. 7.See Engineering Manual Combina on Tables for alloca on of ODU rated capacity to each
connected IDU when all are calling for full capacity. Allocation percentages should be applied to ODU capacity at design conditions.
8.Power wiring cable size must comply with the applicable local and na onal code. 9.This data is rated 0 above sea level, with 32.8 of refrigerant line and a 0 level
difference between outdoor and indoor units. All capacities are net with a combination ratio between 95 – 105%.
10.Must follow installa on instruc ons in the applicable LG installa on manual. 11.See Engineering Manual Capacity Tables for ODU capacity at design condi ons.
Max ODU to IDU Piping (ft) 230Piping Length (no add'l refrigerant, ft) 147
Communication Cable (No. x AWG)⁵ 4 x 16
Min Number of Indoor Units 2
For continual product development, LG reserves the right to change specifications without notice.LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG Life’s Good” is a registered trademark of LG Corp. /www.lghvac.com
Optional Accessories:PI‐485 Integration Board ‐ PMNFP14A0AC Smart II ‐ PQCSW320A1EAC Ez ‐ PQCSZ250S0
MOP ‐ Maximum Overcurrent Protection MCA ‐ Minimum Circuit Ampacity
ODU ‐ Outdoor Unit IDU ‐ Indoor Unit
AWG ‐ American Wire Gage
Power Distribution Indicator ‐ PQNUD1S00
2 Port BD Unit ‐ PMBD36203 Port BD Unit ‐ PMBD36304 Port BD Unit ‐ PMBD3640
Page 1 of 3
Required³ Accessories:
Y‐Branch ‐ PMBL5620
Job Name/Location:
Tag #:Date:PO No.:
Multi F MAX Inverter Heat Pump Outdoor Unit
DFS‐SB‐AJ‐001‐US 012M18
LMU540HV
For continual product development, LG reserves the right to change specifications without notice.LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG Life’s Good” is a registered trademark of LG Corp. /www.lghvac.com Page 2 of 3
Job Name/Location:
Tag #:Date:PO No.:
Multi F MAX Inverter Heat Pump Outdoor UnitLMU540HV
DFS‐SB‐AJ‐001‐US 012M18For continual product development, LG reserves the right to change specifications without notice.LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG Life’s Good” is a registered trademark of LG Corp. /www.lghvac.com Page 3 of 3
File: OffApproval: OffResubmit: OffOther: Off2 Port BD Unit PMBD3620: Off3 Port BD Unit PMBD3630: Off4 Port BD Unit PMBD3640: OffPI485 Integration Board PMNFP14A0: OffAC Smart II PQCSW320A1E: OffAC Ez PQCSZ250S0: OffPower Distribution Indicator PQNUD1S00: OffYBranch PMBL5620: OffOther Field: Architect: GC: Engr: Mech: Company: Project Manager: Job Name/Location: Tag #: Date: PO No: Remarks4: Remarks3: Remarks2: Remarks1:
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