Two Ways Valve Control - Panasonic WH-MDC09C3E5 Servise Manual

12.16. Two ways valve control

Functionality of 2 ways valve:
• Use to allow hot water to floor heating panel or block cold water to floor heating panel.
Control contents:
1. When indoor running in heat mode, OPEN the 2 ways valve.
2. When indoor running in cool mode, CLOSE the 2 ways valve.
3. Stop condition:-
a. During stop mode, fix 2 ways valve in close condition.
* During pump down mode, fix 2 ways valve in close condition.
* During force mode, open 2 ways valve.
* Recommended Parts : SFA 21/18 (Siemens)
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