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ACCESSORIES INSTALLATION
ENGLISH
(NO) : Live signal (for Normal Open type) from PCB to 2way valve
(NC) : Live signal (for Normal Closed type) from PCB to 2way valve
(N) : Neutral signal from PCB to 2way valve
Final Check
• Flow direction :
- Water should not flow into under floor loop in cooling mode.
- To verify the flow direction, check temperature at the water inlet of the under floor loop.
- If correctly wired, this temperatures should not be approached to 6 °C in cooling mode.
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The terminal block connection number may differ depending on the model. Refer to the
“Wiring Diagram” in the SVC Manual.
WARNING
Wiring
• Normal Open type should be connected to wire (NO) and wire (N) for valve opening in
cooling mode.
• Normal closed type should be connected to wire (NC) and wire (N) for valve closing in
cooling mode.
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