GESTRA LRR 1-52 Original Installation & Operating Manual

32 LRR 1-52, LRR 1-53, URB 55 - USA - Installation & Operating Manual - 850703-00
Wiring diagram for the LRR 1-53 conductivity controller
Connecting an LRGT 1x-x conductivity transmitter (4 - 20mA)
Relay output for
MIN alarm
or
Actuation of an
intermittent blowdown valve
MIN
Actuation of a continuous
blowdown valve
CLOSED OPEN
Relay output for
MAX alarm
MAX
Supply voltage,
fuse provided by customer
M0.5A (medium time-lag)
Actual value/
manipulated
variable output
(switch-selectable)
Indication of valve position
(potentiometer 0 - 1000W)
Data line
for URB 55
M
S = shield
LRGT 1x-x
Conductivity transmitter
(4-20 mA)
Fig. 18
+
–
24 V DC
2716 17 18 19 20 21 22 23 24 25 26 28 29 30
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24 V DC
4-20 mA
+
–
M 0,5 A
+
–
0 - 1K
Ω
–
+
H L
S S
+
–
Standby input for an external command:
Control OFF / Valve CLOSED / Intermittent blowdown OFF

GESTRA LRR 1-52 Specifications

General

Brand	GESTRA
Model	LRR 1-52
Category	Controller
Language	English