LG Hydro Kit Ductless Systems Heat Only

The LG Hydro Kit is a winner of the 2020 AHR EXPO Innovation Awards in the plumbing category. Designed to be used with LG’s Multi V 5, Multi V Water 5 Heat Pump and Heat Recovery systems, and Multi V S (48kBtu/h ~ 96kBtu/h for ARNH423K3A4 and 96kBtu/h for ARNH763K3A4), the LG High Temperature Hydro Kit is an indoor refrigerant to water heat exchanger, capable of using the rejected heat to provide hot water for applications where hot water is needed, including domestic hot water heating, radiant floor heating, historic radiators and more.

Models:
ARNH423K3A4 K3 – Heat Only
ARNH763K3A4 K3 – Heat Only

The Hydro Kit may be used in conjunction with single-phase Multi V S or three-phase Multi V 5 outdoor units, as well as with Multi V Water 5. The Hydro Kit system uses a refrigerant to water heat exchanger to produce heated water.

  • High temperature water heating (K3 Chassis)
  • Water cooling and medium temperature heating (K2 chassis)
  • Domestic water heating
  • Cold surface insulation
  • Factory mounted inlet/outlet water temperature sensors
  • Factory mounted internal flow switch
  • Third party thermostat interface
  • Group control
  • Remote on/off site monitoring capability via the internet

Requires the use of an indirect hot water storage tank.

Field provided and mounted.

Field provided thermostat must be a 208V, 24V or mechanical type. Must be field adjustable heating only or cooling/heating with a manual changeover. Cooling and heating setpoint, deadband, and manual restart functions provided by Hydro Kit Controller are not available with use of a 3rd party thermostat. Cannot be used in conjunction with remote temperature sensor (K2 chassis). Field provided thermostat must be a line voltage (208V) heating only thermostat. Heating setpoint, deadband, and manual restart functions provided by Hydro Kit controller are not available with use of a 3rd party thermostat. Cannot be used in conjunction with remote temperature sensor (K3 chassis)

Wired Remote Group Control Cable Assembly (PZWRCG3) required and sold separately.

Monitoring capability available with LG’s AC Smart Premium or a BMS system integration gateway (sold separately). Requires a field provided LAN/internet connection or BMS system provided by others.

LG Hydro Kit Ductless Systems Heat Only was last modified: May 9th, 2024 by HVAC Expert

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People like you shared their purchase and installation experience!

Kenny LeungKenny Leung

Brian once again helped me with my project. Before I have installed a gas fireplace and this time I have installed an LG heat pump with 3 indoor heads. We had an amazing experience with Brian and his team for both projects from quote to installation. Brian is experienced, patient, reliable, and provides great friendly service. He’s also tells very interesting life stories which makes enhances the whole experience. All my future business is going to his company. Thanks again Brian!

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Andrew MunnAndrew Munn

Highly recommended. Brian at Cozy Comfort Plus supplied and installed 6 ductless heads on two compressors. The price was very competitive. The installation crew lead by Hamid did a perfect job. They explained the best locations for the equipment and answered all my questions. The work was completed a very short time after signing the contract. The team cleaned up the job site very carefully every night and were very careful indoorA.

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Jon ConwayJon Conway

We are so happy with the service, support and product that we received from Cozy Comfort Plus. Brian was incredible to work with, he took the time to understand what we were looking for and helped us with the designs and what the best fireplace for us might be. He is extremely easy to work with, very easy to communicate with and so fast and responsive!

Everything happened exactly on schedule and as planned. It was a well oiled machine!! The crews that were here to build everything were super friendly, kind, courteous and knowledgeable.

Highly highly recommend to all 😀👍

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