8
ENGLISH
4 Product and acces-
sory description
4.1 Description of the S1R-h
The module for back fitting is used
for the time-controlled and pro-
grammable shut-down of the afore-
mentioned Wilo service water circu-
lating pumps with A.C. motors
(1~ 230 V, 50 Hz). The preset time is
set using the adjustable strips on the
rim of the switch clock between
– Pump mode (red area visible) and
– Pump shut-down (red area not
visible).
2 Safety
See installation and operation
instructions for the Star-Z pump.
3Transport and interim
storage
This apparatus must
be protected against
moisture and mechanical damage.
Electronic components should not
be exposed to temperatures outside
the range –10 °C to +55 °C.
ATTENTION!
1 General Information
Assembly and installation should
only be carried out by qualified
personnel!
Before attempting to assemble and
start up this module these instruc-
tions should be read carefully!
Damage resulting from non-obser-
vance of these instructions is not
covered by our guarantee.
The safety instructions con-
tained in the pump’s operat-
ing manual must be obser-
ved when carrying out any
work on the S1R-h and the
unit.
1.1 Uses
Wilo plug-in module for back fitting
S1R-h for the time-controlled and
programmable shut-down of Wilo
Star-Z 20, Star-Z 25 service water
circulating pumps with A.C. motors.
1.2 Technical data
Permissible ambient temperatures as a function of the media temperature at
the pump:
Air temperature in °C
20
30
40
Media temperature in °C
90
80
70
Mains voltage: 1~ 230 V, 50 Hz
System of protection: IP 42
