Siemens RDB160BN - Page 38

Communication
Control parameters
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Parameter
Name
Factory setting
Range
P73
Supply air min. limitation for
cascade control and cooling
control
12 °C
5…20 °C
P74
Cascade factor between room
controller and supply air
controller
3 °C
1…5 °C
P75
Frost protection temperature
for supply air when supply air
temperature limitation is active
8 °C
Heat valve open if
the supply air
temperature drops
below this
setpoint.
P76
Activate supply air temperature
limitation for
1 = Cooling
control
0 = Heating
control
1 = Cooling
control
2 = Both heating
and cooling
control
P77
Fan output type
0 = 1- /2- / 3-
speed fan
0 = 1- /2- /3-
speed fan
1 = DC fan
P78
Valve 1 output type
0 = DC valve
0 = DC valve
1 = PWM
2 = On/Off
3 = 3-position
valve
P79
Valve 2 output type *)
0 = DC valve
0 = DC valve
1 = PWM
2 = On/Off
3 = 3-position
valve
*) Locked to On/Off when thermostat is set to 2-pipe with electric heater
application.