19
3-way valve (diverter) connection
Required Valve Specification:
Electrical Specification: 230 V; 50 Hz; <100 mA
Valve Diameters: Port A, Port B: Ø 1 1/4"
Return Mechanism: 3 types of 3-way valve (diverter) can be used.
Set the 3-way valve in use with the DIP switch SW13-1 on the Hydro Unit board.
Diverter Valve Description
SW13-1
Type 1 2-wire spring return OFF
Type 2 3-wire SPST OFF
Type 3 3-wire SPDT ON
NOTE
Continuous operation of the valve motor at the fully open position is not recommended.
• The 3-way diverter valve is used to select either domestic hot water or zone1 / zone2.
• Connect the 3-way diverter valve in accordance with the diagram below:-
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