Siemens RVA47.320 - Operating Mode of D.h.w. Heating

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Siemens Building Technologies Basic Documentation RVA47.320 CE1P2379E
HVAC Products Description of the enduser settings 15.07.2002
The selected operating mode is indicated by illuminated buttons. A number of functions
can cause the displayed selection to change. The following table shows the possible
statuses. The following table shows the possible statuses:
Function Effect on button and meaning
Heat generation lock
Line 170 = 3
• Selected HC operating mode button flashes when
contact H1 is closed
• D.h.w. operating mode button flashes when
switched on
Changeover of operating
mode
Line 170 = 0
• Selected HC operating mode button
flashes
when contact H1 is closed
• D.h.w. operating mode button flashes when
switched on
Changeover of operating
mode
Line 170 = 1
• HC operating mode
flashes
• D.h.w. operating mode button will not be affected
Minimum setpoint of flow
temperature
Line 170 = 2
• Selected HC operating mode button flashes when
contact H1 is closed.
• D.h.w. operating mode button will not be affected
Central standby switch
Line 147 = 1
• HC operating mode
flashes
• D.h.w. operating mode button will not be affected
Function Effect on button and meaning
Occupancy button
• HC operating mode
flashes when occupancy
button is active.
• D.h.w. operating mode button will not be affected
Holiday function
• HC operating mode
flashes when holiday
function is active
• D.h.w. operating mode button flashes when
switched on
Changeover of the operating mode on the room unit is active only if the controller is in
automatic mode
.
The room temperature is transmitted to the controller via PPS, independent of the
selected operating mode.
3.2 Operating mode of d.h.w. heating
• Selection of d.h.w. heating mode independent of heating operation
• Selection is made directly on the user interface
D.h.w. heating can be switched on and off independent of the other operating modes.
D.h.w. heating is selected by pressing the respective button on the controller's user
interface.
Illuminated buttons
Settings on the controller
Settings on the room unit
Effect of room unit
Benefit
Description
Setting