Siemens RWI65.02 - Fault Status Flow Diagrams; Incoming Fault Signals

CM2N3204E / 05.2001 Siemens Building Technologies
18/20 Landis & Staefa Division
Q13
Q14
Q13
Q24
Q33
Q34
Q33
Q44
Y10 Y20 Y30
I/O
A
B
A
B
E1
E2
A
B
A
B
E3
A
B
A
B
E4
A
B
A
B
E5
A
B
A
B
E6
A
B
A
B
A
B
B9
Green
LED
Red
LED
Fault
reaction
Explanation
Heat
source
Fire/
smoke
Water
Water
Electr.
Electr.
Faulty flow
Water
Water
Electr.
Electr.
Overcurrent
hot water
circulator
Water
Water
Electr.
Electr.
Overload
el-heater
Water
Water
Electr.
Electr.
Overload
fan
Water
Water
Electr.
Electr.
AUX
Water
Water
Electr.
Electr.
Water
Water
Risk of frost
Overload chiller/
chilled water
circulator
Dark Off/interlocked
Lit
Flashing Off/interlocked (switch-off delayed)
On/delocked
On/delocked when Y10
≥
0 %
Off/interlocked when Y10
≥
0 %
Dark (Y10 ≥ 0 %)
3204Z05E
Function flow
diagrams for fault
status signals
Incoming fault status
signals