20
LRR 1-52, LRR 1-53, URB 55 - Installation & Operating Manual -
850645-01
Factory settings - LRR 1-52, LRR 1-53
The conductivity controller is delivered with the following factory settings:
■
Code switch setting (sliding switch, white):
LRR 1-52
■
Configuration, see page 37 /,
Fig. 19
1
3
ON
2
4
S 1 = OFF
S 2 = ON
S 3 = OFF
S 4 = OFF
■
Measuring range:
0.5 to 10000
µS/cm
■
Correction factor C LRG
1 cm-1
■
Temperature compensation: Switched off
■
Temperature coefficient:
2.1 % / °C
LRR 1-53
■
Configuration, see page 37 /,
Fig. 19
S 1 = OFF
S 2 = ON
S 3 = OFF*)
S 4 = OFF
■
Measuring range: 0.5 to 6000 µS/cm
*) from controller software 311178.13
LRR 1-52, LRR 1-53
■
MAX switchpoint:
6000 µS/cm
■
MIN switchpoint:
500 µS/cm
■
Reset hysteresis:
MAX limit 3 % of set limit (factory default)
■
Set point:
3000 µS/cm
■
Proportional band (Pb):
± 20 % of set point
■
Reset time (Ti):
0 seconds
■
Neutral zone:
± 5 % of set point
■
Valve runtime:
360 seconds
■
Controlled operation:
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 intermittent
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