Siemens Synco 200 - Page 144

10.3.6 Settings for 2-stage frost protection on the water 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 > FROST
Setting values
Display Name Range Factory setting
TYPE Identification NI (water side, passive
Ni1000)
DIG
SET-ON Risk of frost limit
−50…+50 °C
5 °C
XP P-band Xp 1…1000 K 5 K
SET-OFF Plant OFF frost
protection setp
−50…+50 °C
20 °C
OFF XP Plant OFF Xp 1…1000 K 7 K
OFF TN Plant OFF Tn 00.00…60.00 m.s 00.30 m.s
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
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Siemens Universal Controllers RLU2… CE1P3101en
Building Technologies Frost protection (FROST) 29.08.2008