Installation guide

65
ACCESSORIES INSTALLATION
ENGLISH
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.
(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.
DHW
Water Tank
Water Tank Sensor
Water In
Water Out
Yes
Selecting “Flow B” between
“Flow A” and “Flow B” (3)
Yes
Selecting “Flow A” between
“Flow A” and “Flow B” (2)
230 V ACSPDT
3-wire
(1)
SupportedOperating ModePowerType