Wilo Stratos-D Series User Manual

Installation and operating instructions Wilo-Stratos/-D/-Z/-ZD 61
English
then applies to the entire unit. Exception, in the event of a power failure of the
master pump.
SSM contact is assigned at master and slave pumps: Any fault at master or
slave pumps will be indicated as individual fault signal.
6.2.6 Definition of the symbols on the LC display
Symbol Meaning
Automatic switchover to setback operation is enabled. Activation of
setback operation takes place at minimum heating output requirement.
Pump runs in setback operation (night reduction) at min. speed.
(without
Symbol)
Automatic switchover to setback operation disabled, i.e. pump runs
solely in control mode.
Setback operation activated via serial digital interface or "Ext.Min",
regardless of the system temperature.
Pump runs in warm-up mode at max. speed.The setting can only be acti-
vated via the serial digital interface.
Pump is switched on.
Pump is switched off.
Differential pressure setpoint is set to H = 5.0 m.
p-v control mode, control to variable differential pressure setpoint
(Fig. 8).
p-c control mode, control to constant differential pressure setpoint
(Fig. 9).
Manual control mode deactivates the control in the module. The pump's
speed is maintained at a constant value (Fig.11). The speed is set using
the control button or via the bus interface.
The pump is set to a constant speed (2.600 rpm in this case) (manual
control mode).

Wilo Stratos-D Series Specifications

General

Application	Heating
Connection Type	Flange connection
Fluid Temperature Range	-10 °C to +120 °C
EEI	≤ 0.20
Display	LCD
Power Consumption	Varies depending on model
Housing Material	Cast iron
Motor Type	EC motor
Energy Efficiency Class	A