23/126
Siemens Building Technologies Basic documentation RVD240 CE1P2384en
HVAC Products 3 Fundamentals 27.05.2004
3.2.2 D.h.w. heating
• ON (button is lit): d.h.w. heating takes place independent of the heating
circuit’s operating mode and control (no d.h.w. heating during holiday pe-
riods)
• OFF (button dark): no d.h.w. The circulating pump switches off. Frost
protection is ensured
3.2.3 Manual operation
• No control
• All pumps are in operation
• The 2-port valve in the primary circuit can be manually adjusted with set-
ting buttons
For more detailed information, refer to chapter 30 "Manual operation".