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General| Refrigerant | R410A |
|---|---|
| Operating Temperature (Cooling) | 10°C to 46°C |
| Operating Temperature (Heating) | -15°C to 24°C |
| Power Supply | 380-415V, 3Phase, 50Hz |
| Indoor Unit Dimensions (WxHxD) | Varies depending on the model |
| Outdoor Unit Dimensions (WxHxD) | Varies depending on the model |
| Indoor Unit Weight | Varies depending on the model |
| Outdoor Unit Weight | Varies depending on the model |
| Control System | Central Control, Individual Control |
| Features | Wide Operating Range |
Provides critical safety instructions for installing the unit, covering electrical hazards, unit placement, and handling.
Details safety measures for electrical wiring, including compliance with codes and proper connections.
Provides essential safety guidelines for operating the unit, covering power, water exposure, and maintenance.
Details safety considerations for unit placement, environmental factors, and operational restrictions to prevent damage.
Specifies requirements for electrical work, including licensed electricians, NEC, and local codes compliance.
Provides essential safety guidelines for operating the unit, covering power, water exposure, and maintenance.
Outlines safety procedures for handling refrigerant, including service valves and compressor operation.
Provides detailed specifications for single-frame 208-230V heat pump water source units.
Details specifications for dual-frame 208-230V heat pump water source units, including capacity and electrical data.
Provides specifications for triple-frame 208-230V heat pump water source units, covering performance and electrical details.
Details specifications for single-frame 460V heat pump water source units, including electrical and performance data.
Provides specifications for dual-frame 460V heat pump water source units, covering capacity, electrical, and piping.
Details specifications for triple-frame 460V heat pump water source units, including electrical and performance.
Provides specifications for single-frame 208-230V heat recovery water source units.
Details specifications for dual-frame 208-230V heat recovery water source units, including capacity and electrical.
Provides specifications for triple-frame 208-230V heat recovery water source units, covering performance and electrical.
Details specifications for single-frame 460V heat recovery water source units, including electrical and performance.
Provides specifications for dual-frame 460V heat recovery water source units, covering capacity, electrical, and piping.
Details specifications for triple-frame 460V heat recovery water source units, including electrical and performance.
Lists specifications for heat recovery units (PRHR series), including ports, capacity, and dimensions.
Provides electrical data for heat recovery units, including voltage, phase, and input power.
Details electrical specifications for ARWN series heat pump units at 208-230V, 60Hz, 3-phase.
Provides electrical specifications for ARWN series heat pump units at 460V, 60Hz, 3-phase.
Details electrical specifications for ARWB series heat recovery units at 208-230V, 60Hz, 3-phase.
Provides electrical specifications for ARWB series heat recovery units at 460V, 60Hz, 3-phase.
Guidance on choosing the optimal indoor location for water source units, considering vibration, noise, and ambient temperature.
Provides detailed instructions and safety warnings for safely transporting and lifting water source units.
Details methods and requirements for securely anchoring the water source unit to its base, considering seismic activity.
Details best practices for brazing refrigerant piping, including cleanliness, material use, and nitrogen purging.
Warns about the dangers of refrigerant leaks during service valve operation and brazing.
Details the procedure for performing a pressure test on the refrigerant piping system using dry nitrogen.
Outlines the procedure for pressure testing the refrigerant piping system for heat recovery units.
Provides guidance on protecting the water piping system from freezing, including antifreeze recommendations.
Details the requirement for a strainer on the water source unit inlet piping to protect the heat exchanger from particles.
Explains the installation, wiring, and setting of the flow switch as a primary protection device for water flow.
Provides detailed instructions for installing and wiring the flow switch, including connection to WSU terminals and setting flow rates.
Details power supply requirements and specifications for wiring water source and indoor units, including breaker separation.
Provides best practices and safety warnings for terminating power wiring at the power terminal block.
Lists specifications for communication cables, including gauge, shielding, temperature rating, and length limits.
Shows wiring connections between indoor units and the master water source unit for communication.
Illustrates communication wiring connections between multiple water source units (master and slaves).
Shows wiring for communication between indoor units and the master WSU in heat recovery systems.
Illustrates communication wiring between multiple water source units in heat recovery systems.
Illustrates daisy-chain communication wiring for ARWN Series heat pump systems, connecting WSU to IDUs.
Shows daisy-chain communication wiring for ARWB Series heat recovery systems, connecting WSU to IDUs.
Details initial steps for preparing the electrical system, including verifying power and checking component LEDs.
Explains the process of automatically addressing indoor units to establish communication with the water source unit.
Continues the step-by-step guide for initiating and completing the indoor unit auto addressing process.
A flowchart illustrating the step-by-step process for indoor unit auto addressing, including decision points and expected outcomes.
Provides steps to troubleshoot and resolve issues if the indoor unit auto addressing procedure fails or produces incorrect results.
Details the procedure for assigning heat recovery unit addresses using LATS tree mode diagram and PCB adjustments.
Details how to configure heat recovery unit settings by identifying connected ports and setting DIP switches.
Explains the use of SW01M, SW03M, and SW04M DIP switches and tact switches for manually addressing heat recovery unit valves.
Instructs to perform a pressure test on the refrigerant piping system to ensure it is leak-free before evacuation.
Details the procedure for evacuating the refrigerant piping system to remove moisture and air.
Provides detailed steps and vacuum configurations for evacuating heat pump and heat recovery systems.
Illustrates the vacuum pump connection setup for heat pump systems.
Shows the vacuum pump connection setup for heat recovery systems.
Explains how LGMV software displays error codes to help technicians troubleshoot system operation issues.
Lists Indoor Unit (IDU) error codes, their descriptions, and possible causes for troubleshooting.
Lists WSU error codes, their descriptions, and possible causes for troubleshooting, covering compressor and voltage issues.
Continues the list of WSU error codes, detailing causes related to temperature, pressure, and sensor faults.
Continues the WSU error codes list, covering IPM, input power, communication, and PCB errors.
Lists WSU error codes related to IGBT temperature, PFC CT sensor, EEPROM, and communication errors.
Continues WSU error codes, covering sub-cool sensors, oil sensors, main board communication, and water temperature sensors.
Lists error codes for Heat Recovery Units (HRUs), including sensor errors and communication errors between WSU and HRU.
Ensures correct initial installation of major components like water source units and indoor units.
Verifies correct refrigerant piping materials, insulation, and installation practices are followed.
Checks for proper brazing techniques, including nitrogen purging and the use of medical grade dry nitrogen.
Ensures proper refrigerant piping installation, including LATS diagram usage, pipe storage, expansion loops, and support.
Verifies proper installation of power wiring and communication cables, including crimping, grounding, and separation.
Verifies refrigerant system readiness, including capacity checks, power verification, auto-addressing, pressure tests, evacuation, and crankcase heating.
Checks the water circuit for correct pressure testing, flushing, pump rotation, flow rate, and treatment.
Lists all required documents to be collected and made available to the commissioning agent before starting the process.
Guides the process of requesting a Water Source System Commissioning from the LG Applied Representative.
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