Flowserve SRL63-A - Manual (Page 11)

11
Electrical Connection
– continued –
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
Sh
u
td
o
w
n
S
ta
ndby
By
pa
ss
Bypass
Standby
Shutdown
Attention
External voltage!
Burner safety circuit
Attention
External voltage!
Connection for high-level alarm
Fig. 5
Interval:
24 h
Remaining:
2h