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ACCESSORIES INSTALLATION
82
DHW Tank
To establish DHW circuit, 3way valve and DHW sensor (PHRSTA0) or DHW kit (PHLTA/PHLTC) is
required kit is required.
Installation condition
Installing DHW tank following considerations :
- DHW tank should be located at the flat place.
- Water quality should be complied with EN 98/83 EC directives.
- As this water tank is sanitary 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 tank after installation. It ensures
generating clean hot water.
- Near the DHW tank there should be water supply and water drain for easy access and
maintenance.
- Set the maximum value of the temperature control device of DHW tank.
※ For detailed connection refer to manufacturer's manual of the DHW tank.
WARNING
!
The schematic does not include all necessary safety devices. For details refer to Hydronic
schemes provides by local LG office.
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 space heating circuit.
3) 'Flow B' means water flow from the unit to DHW tank.
DHW sensor
DHW
3way-valve
AB
B
A
Space heating
Selecting Flow A
Selecting Flow B
DHW TANK
Hot water
Cold water
Operating Mode
2)
between Flow A and Flow B
3)
between Flow A and Flow B
Supported
Yes
Yes
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