Electrical connection, Fig. 5, Srl 63-a boiler valve – Flowserve SRL63-A User Manual
Page 11: Connection for low-level limiter, Bypass standby shutdown attention external voltage
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Wiring diagram of logic unit for monitoring SRL 63-a
X1
1
2
3 4
5
6
7
8
9 10 11 12 13 14 15 16 17 18 19 20
X3
1
2
3 4
5
6
7
1
2
3
4
5
6
7
8
9
10
D1
D2
E1
E2
F1
L1 N PE
2. SRL
18
17
20
19
16
X1
N
Q1
Q2
Q3
Q4
I1 I2 I3 I4 I5 I6 I7 I8
L+ M
D1
D2
E1
E2
F1
X3
1 2
3 4
5 6
7
N
SRL 63-a
Boiler
Valve:
D = steam
E = water
F = drain
Burner safety circuit
Connection for low-level limiter
Bypass
Standby
Shutdown
Attention
External voltage!
Burner safety circuit
Attention
External voltage!
Connection for high-level alarm
Fig. 5
Interval:
24 h
Remaining:
2h