Siemens RWF 50.2 - Operating modes; Low-fire operation

4.3 Assignment of terminals
Caution!
Electrical connections must always be
made by qualified personnel!
7866z09/0911
Figure 5: Assignment of terminals
Outputs Display LED Terminal no.
Connection diagram
Relay Burner release:
Relay K1: P, 1N
1P pole
1N NO contact
1P
P
S
1N
7866a01/0911
Only RWF50.2
3-position output:
Relay K3: Controlling element
CLOSE
Relay K2: Controlling element
OPEN
K3 NO contact
KQ common pole
K2 NO contact
P
S
K3
KQ
K2
S
P
7866a02/0911
Only RWF50.3
Analog output A+, A-
DC 0(4)...20 mA, DC 0...10 V
A+
A-
A+
A-
+
-
7866a03/0911
19/68
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