Dhw Tank - LG Therma V HM091MRS Installation Manual

ACCESSORIES INSTALLATION
66

DHW Tank

To establish DHW circuit, 3way valve and DHW tank kit is required. If solar thermal system is
pre-installed at the installation field, solar thermal kit is required to interface solar thermal
system – to – DHW tank – to –
Installation condition
Installing DHW water tank requires following considerations :
• DHW water tank should be located at the flat place.
• Water quality should be complied with EN 98/83 EC directives.
• As this water tank is DHW water tank (indirect heat exchange), do not use anti water-freezing
treatment like ethylene grycol.
• It is highly recommend to wash out inside of the DHW water tank after installation. It ensures
generating clean hot water.
• Near the DHW water tank there should be water supply and water drain to easy access and
maintenance.
• Set the maximum value of the temperature control device of DHW tank.
General Information
supports following 3way valve.
Type Power
1)
SPDT
230 V AC
3-wire
1. SPDT = Single Pole Double Throw. Three wires consist of Live1 (for selecting Flow A), Live 2
(for selecting Flow B), and Neutral (for common).
2. Flow A means water flow from the unit to under floor water circuit.
3. Flow B means water flow from the unit to DHW tank.
Operating Mode
2)
Selecting Flow A between
Flow A and Flow B
3)
Selecting Flow B between
Flow A and Flow B
Water Tank Sensor
Water Out
Water In
DHW
Water Tank
Supported
Yes
Yes