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LG MULTI V ARUB096DTE4 User Manual

LG MULTI V ARUB096DTE4
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Service Manual
Heat Pump and Heat Recovery
Variable Refrigerant Flow Outdoor Units
6.0 to 42.0 Tons
SM-MultiV-IV-Air-Outdoor-Units-4-15
Heat Pump
208 / 230V, 60Hz, 3-phase
and
460V, 60Hz, 3-phase
ARUN072BTE4 / ARUN072DTE4
ARUN096BTE4 / ARUN096DTE4
ARUN121BTE4 / ARUN121DTE4
ARUN144BTE4 / ARUN144DTE4
ARUN168BTE4 / ARUN168DTE4
ARUN192BTE4 / ARUN192DTE4
ARUN216BTE4 / ARUN216DTE4
ARUN240BTE4 / ARUN240DTE4
ARUN264BTE4 / ARUN264DTE4
ARUN288BTE4/ ARUN288DTE4
ARUN313BTE4 / ARUN313DTE4
ARUN337BTE4 / ARUN337DTE4
ARUN312BTE4 / ARUN312DTE4
ARUN336BTE4 / ARUN336DTE4
ARUN360BTE4 / ARUN360DTE4
ARUN384BTE4 / ARUN384DTE4
ARUN408BTE4 / ARUN408DTE4
ARUN432BTE4 / ARUN432DTE4
ARUN456BTE4 / ARUN456DTE4
ARUN480BTE4 / ARUN480DTE4
ARUN504BTE4 / ARUN504DTE4
Heat Recovery
208 / 230V, 60Hz, 3-phase
and
460V, 60Hz, 3-phase
ARUB072BTE4 / ARUB072DTE4
ARUB096BTE4 / ARUB096DTE4
ARUB121BTE4 / ARUB121DTE4
ARUB144BTE4 / ARUB144DTE4
ARUB168BTE4 / ARUB168DTE4
ARUB192BTE4 / ARUB192DTE4
ARUB216BTE4 / ARUB216DTE4
ARUB240BTE4 / ARUB240DTE4
ARUB264BTE4 / ARUB264DTE4
ARUB288BTE4 / ARUB288DTE4
ARUB313BTE4 / ARUB313DTE4
ARUB337BTE4 / ARUB337DTE4
ARUB312BTE4 / ARUB312DTE4
ARUB336BTE4 / ARUB336DTE4
ARUB360BTE4 / ARUB360DTE4
ARUB384BTE4 / ARUB384DTE4
ARUB408BTE4 / ARUB408DTE4
ARUB432BTE4 / ARUB432DTE4
ARUB456BTE4 / ARUB456DTE4
ARUB480BTE4 / ARUB480DTE4
ARUB504BTE4 / ARUB504DTE4
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LG MULTI V ARUB096DTE4 Specifications

General IconGeneral
Cooling Capacity96, 000 Btu/h
Heating Capacity108, 000 Btu/h
RefrigerantR410A
Energy Efficiency Ratio (EER)11.0
SEER18.0
Power Input Cooling8.73 kW
Power Supply208-230V, 60Hz, 1Ph
Sound Pressure Level Cooling58 dB(A)
Operating Temp. Cooling14°F to 118°F
Operating Temp. Heating-4°F to 75°F

Summary

Safety Precautions

Installation Safety

Guidelines and warnings for the safe installation of the unit, covering potential hazards and precautions.

Wiring Safety

Critical safety instructions and warnings related to electrical wiring, grounding, and connections.

Operation Safety

Essential safety measures and warnings for operating the unit, covering electrical, mechanical, and environmental risks.

Unit Nomenclature

Outdoor Units (ODU)

Explanation of the model naming convention for Outdoor Units (ODU), detailing each component code.

Heat Recovery Units (HRU)

Explanation of the model naming convention for Heat Recovery Units (HRU), detailing each component code.

Outdoor Unit Functions

Basic Controls

Details on fundamental operational controls, including compressor and fan logic.

Master-Slave Unit EEVS

Control logic for Main and Subcooling EEVs in master-slave outdoor units, including temperature management.

Special Controls

Specific control functions beyond basic operation, such as oil return and defrost.

Defrost Control / Partial Defrost Control

Mechanisms and component actions for defrosting the heat exchanger and partial defrost operations.

Stop Operation

Details on system stop operation modes and oil equalizing control between compressors.

Protection Controls

System protection mechanisms against various operational faults and conditions.

Discharge Temperature Control / Inverter Protection Control

Control logic for discharge temperature and inverter protection based on amperage limits.

Phase Detection / Pressure Switch

Error detection for phase issues and the function of the pressure sensor switch on the main PCB.

Other Controls

Initial Setup Steps

Covers initial setup steps 1-3: power on, code display, and PCB error check.

Indoor Unit Auto Addressing

Details on the process for indoor unit auto addressing (Step 4) and confirming the number of units.

Function Setting Procedure

Procedure for setting system functions using DIP switches and control buttons, saving settings in EPROM.

Emergency Operation

Methods for operating the system during inverter compressor failure, including automatic backup and manual procedures.

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