Strebel S-CB Px 120, Installation Operating & Maintenance Manual

Page: 51 / 118

S-CB Px 120 Manual 51
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P5 AG
Heat curve minimum flow temperature °C
The set point will never be lower than the flow temperature set in parameter P5AG. The minimum temperature is
limited, even if the calculated set temperature, according to the heating curve, would be lower.
P5 AH Summer Outside temperature Central heating °C
If the outside temperature is higher than set in P5AH the heat demand for heating will be blocked.
P2 HA Outdoor sensor hysteresis °C
If the outdoor temperature reaches the temperature set in P5 AH (warm weather shutdown) the unit won’t start for
heating. If the measured outdoor temperature drops P5 AH minus P2 HA the boiler can start up for heating again.
P6 BA
CH User Setting °C
The set point will never be higher than the flow temperature set in parameter P6BA. The maximum temperature is
limited, even if the calculated set temperature, according to the heating curve, would be higher.
P6 BB
Heat curve night shift °C
The temperature reduction during the night, relative to the setting determined by the heat curve
P5AR Outside sensor 10K or 12K resistance 0 1
This parameter can be used to change the value of an ohmic contact of the outside sensor; 0 = 12K and 1 = 10K.
Default the parameter = 0, so the sensor is assumed to be 12 k
Ω .
FL
O
W
TE
M
P
E
R
A
TU
R
E
TU
R
E
OUTSIDE TEMPERATURE
P5 AG - min flow temp
P5 AH - Warm weather shutdown
P2 HA - Outdoor sensor hysteresis
HEATING CURVE
- additional settings
P6 BB
- Heatcurve night shift
P6 BA - max flow temp
10
20
40
50
60
70
80
90
0
30
-10 0 -20 -30 -40 10 20 30 40