Siemens LMU54 Series Basic Documentation page 102

Shutdown of pump
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Siemens Building Technologies
HVAC Products
Pump shutdown is implemented in comfort mode (parameter «ZqComfortAus»).
Situation: Cycling 1
DHW
Mode Comfort
OFF/other
Burner ON
OFF
Pump ON
OFF
The pump's shutdown time starts when the burner is shut down.
The pump will be deactivated when this period of time has elapsed. It will be activated
again when the burner is started up.
Ab Shutdown time comfort
«ZqComfortAus»
NL Overrun time
The above graph applies to «Z_BwComfort1» and «Z_BwComfort2».
If «ZqComfortAus» is parameterized longer than the longest time of «Z_BwComfort1»
and «Z_BwComfort2», the pump will run as long as comfort mode is active.
Basic Documentation LMU54... / LMU64...
7 DHW control (BWR)
Ab NL
CC1P7494en
07.11.2002