Hydro Kit (Medium Temperature) - Model ARNH423K2A4

Water Heat & Cool

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 4. The Hydro Kit system uses a refrigerant to water heat exchanger to produce chilled or heated water.

Overview

The LG Hydro Kit is a winner of the 2020 AHR EXPO Innovation Awards in the plumbing category. 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 4. The Hydro Kit system uses a refrigerant to water heat exchanger to produce chilled or heated water. Hydro Kit can be used to preheat domestic water, pool heating, snow melt, in-floor or other radiant space heating systems.

Benefits & Features

• High temperature water heating (K3 Chassis)
• Water cooling and medium temperature heating (K2 chassis)
• Domestic water heating¹
• Cold surface insulation
• Factory mounted inlet/outlet water temperature sensors
• Factory mounted internal flow switch
• Third party thermostat interface²,³
• Group control⁴
• Remote on/off site monitoring capability via the internet⁵

¹Requires the use of an indirect hot water storage tank.
²Field provided and mounted.
³Field 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).
⁴Wired Remote Group Control Cable Assembly (PZWRCG3) required and sold separately.
⁵Monitoring 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.

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