E
um
Not recorded
E
v
Not recorded
Heat volume meter
Calculation and update of the energy counter occurs periodically every minute. The
following occurs when the functions are switched on:
• The pulse counter is read and the energy or volume value are calculated.
• Calculates electrical energy to operate the source.
• Measures temperature difference.
• Calculates volume flow.
• Calculates electrical energy, natural gas energy and heat volume.
• Energy counter plus the increase (per operating state heating, cooling, defrost,
DHW generation).
Line no. Operating line
3090 Pulse count heat
Pulse count h
eat
The parameter
Pulse count heat determines which input H1 or H3 are used to counter
heat volume or water volume flow:
None:
No metering from input H1 or H3. This setting is important if the inputs are used for
other pulse counts (e.g. recording employed energy).
With input H1, with input H3:
The pulse count is read from the set input and the established energy is added to the
counter for supplied heat.
It is important that the count input set here is also set in t
he configuration for the pulse
count.
Line no. Operating line
3092 Pulse unit heat
3093 Pulse unit heat numer
3094 Pulse unit heat denom
Pulse unit and
value
The value of a pulse is entered with three setting parameters as a quotient (nominator
and denominator) and the physical unit:
The selection of the pulse unit distinguishes recording of supplied energy for heat
metering or volume flow count:
Pulse unit heat = kWh
The pulse or its energy value is added directly in the counter for supplied heat.
Pulse unit heat = Liter
The pulse or its volume value is calculated via the measured temperature difference
between the flow and return of the heating energy and then added to the counter for
supplied heat.
Pusle valency = (numerator / denominator) * unit
141/258
Siemens Switzerland Ltd User manual RVS61.843, RVS41.813 CE1U2355en_02
HVAC Products 6 The settings in detail 28. September 2009
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