10.3.4 Settings for 2-stage frost protection on the air side
Path:
… > COMMIS > CONF > X..
Configuration
Display
Name
Range / comments
LABEL
Input identifier
Activation of function with assignment of
the FRST value (frost protection) to the
input.
Path:
… > PARA > D2
Setting values
Display
Name
Range
Factory setting
TYPE
Identification
0-10 (air side, active
DC 0…10 V
= 0…15 °C)
DIG
SET-ON
Risk of frost limit
−
50…
+
50 °C
5 °C
XP
P-band Xp
1…1000 K
5 K
ACK Fault
acknowledgement
YES (manual
acknowlegement)
YES3 (3x automatic
acknowledgement)
NO
NO
ACTING Control
loop
with
risk of frost
CTL1, CTL2
CTL1
Path:
INFO
Display values
Display
Name
Comments
FROST
Actual value frost
protection
Path:
… > COMMIS > TEST
Wiring test
Display
Name
Positions
FROST
Actual value frost
protection
141 / 174
Siemens
Universal Controllers RLU2…
CE1P3101en
Building Technologies
Frost protection (FROST)
29.08.2008