112
sÖ
A1
Primary cylinder loading pump for cylinder
loading system
or
Circulation pump for flue gas/water heat
exchanger
or
Switching output for flow rate reduction
(Therm-Control)
sA
Circulation pump for cylinder heating
(accessories)
or
Secondary cylinder loading pump for cylin-
der loading system
sL
Shunt pump
or
Boiler circuit pump
or
Boiler circuit pump with butterfly valve func-
tion
fÖ
Power supply, 230 V/50 Hz
fA
Burner stage 1
gÖ
Central fault message facility
gS
A1
Motorised butterfly valve
or
Mixing valve for return temperature control
or
Mixing valve, heat exchanger set
lÖ
Burner stage 2
or
Modulating burner
aBÖ
External safety equipment
Provisional burner operation
aBA
Safety chain (potential-free)
aBH
Mains connection for accessories
F1 and F2 Fuse
F6
High limit safety cut-out
F7
Temperature controller
K1 to K10 Relay
S1
ON/OFF switch
S2
Test key
X
Electrical interfaces
PCB, low voltage
Fig. 47
Connection and wiring diagrams
Connection and wiring diagram
(cont.)
5863679
Appendix
Содержание Vitotronic 11 CC1E
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