Wiring diagram lrr 1- 40, Wiring, Fig. 4 fig. 5 – Flowserve LRR1-40 TDS Control Unit User Manual

Page 16

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16

Wiring

– con tinued –

Wiring diagram LRR 1- 40

1

2

3

27

16

L

N

N

1

L

H

1

+

-

C

C

S

2

3

4

5

6

7

8

17 18 19 20 21 22 23 24

9

25

10

26

11 12

28

13

29

14

30

15

23

25

Potentiometer

24V AC /DC
Observe polarity
with DC!

MAX limit

Safety circuit

24 V DC

CAN bus

Actual value output
4-20mA (option)

Terminating resistor
120

5V DC

L

L

L

C L OS ED

L

OPE N

MIN limit

N

L

N 25 23

12

10

11

Continuous blowdown control

= Valve OPEN 25
= Valve CLOSED 23

Actuator
Continuous blowdown valve BAE 36 -1

Feedback potentiometer 1000

Fig. 4

Fig. 5

Test

Contact in burner control,
if stand-by function is desired.

Terminal 7/8
Voltage input 24V
AC /DC for external command

contact closed

Control OFF, valve CLOSED,
intermittent blowdown OFF [Stand-by]
(Might come from bus supply.)

S

Twisted pair
cables

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