20
LRR 1-52, LRR 1-53, URB 55 - USA - Installation & Operating Manual -
850703-00
Factory settings of the LRR 1-52, LRR 1-53
The conductivity controller is delivered with the following factory default settings:
■
Code switch setting: (sliding switch, white)
LRR 1-52
■
For configuration, see page 20 /,
Fig. 19
1
3
ON
2
4
S 1 = OFF
S 2 = ON
S 3 = OFF
S 4 = OFF
■
Measuring range:
0.25 to 5000 ppm (0.5 to 10000 µS/cm)
■
Correction factor C LRG:
1 cm-1
■
Temperature compensation: off
■
Temperature coefficient:
2.1% / °C
LRR 1-53
■
For configuration, see page 20 /,
Fig. 19
S 1 = OFF
S 2 = ON
S 3 = OFF*)
S 4 = OFF
■
Measuring range: 0.25 to 3000 ppm
(0.5 to 6000 µS/cm)
*) Controller software version 311178.13 or
later
LRR 1-52, LRR 1-53
■
MAX switchpoint:
3000 ppm (6000 µS/cm)
■
MIN switchpoint:
250 ppm (500 µS/cm)
■
Reset hysteresis:
MAX limit - 3% of set limit
(factory default)
■
Set point:
1500 ppm (3000 µS/cm)
■
Proportional band (Pb):
± 20% of set point
■
Reset time (Ti):
0 seconds
■
Dead band:
± 5% of set point
■
Valve runtime:
360 seconds
■
Control mode:
Automatic
■
MIN relay function:
MIN alarm
■
24h flushing:
On
■
Flushing interval:
0 hours
■
Flushing time:
180 seconds. The set time takes effect twice. The valve moves
to OPEN for 180 seconds and to CLOSED for 180 seconds.
With actuation of an intermittent blowdown valve (MIN relay function = automatic intermit-
tent blowdown)
■
Intermittent blowdown interval:
24 hours
■
Intermittent blowdown time:
3 seconds
■
Number of
intermittent blowdown pulses:
1
■
Pulse interval:
2 seconds
1
3
ON
2
4
Содержание LRR 1-52
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