CE1P2276E / 31.03.1999
Basic Documentation REA22
Issue 2.0
Siemens Building Technologies
22/30
Description of heating engineer settings
Landis & Stefa Division
4.2
DIP switch 2
16...29°C
3...29°C
1
2
3
22
76
Z
0
2
COOLING
HEATING
PUMP ON
PUMP OFF
The factory setting of all DIP switches is OFF.
If one or several DIP switch positions are changed, the reset button must be pressed as
confirmation. Otherwise the previous settings are still active!
4.2.1 Limitation
of
setpoint
When using minimum limitation of setpoint to 16 °C, undesired heat transfer to neigh-
bouring flats is prevented in buildings that have several heating zones. The function can
be selected with DIP switch 2.
4.2.2 Cooling
function
DIP switch 2 is used for switching over to cooling mode when used in cooling applica-
tions.
The display shows
COOLING
after confirmation with the reset button.
4.2.3 Periodic pump run (pump kick)
The setting is made with DIP switch 2 while the pump is running. Protects the pump
from seizing during longer OFF periods. Periodic pump run is activated for one minute
every 24 hours at 12:00 h.
Note
