Installation Examples With Alarm Limit, Limits 1 And; Example 1, Filling Application; Example 2, Draining Application - Grundfos IO 112 Manual Del Usuario

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8. Installation examples with alarm limit, limits 1 and 2

8.1 Example 1, filling application

The application is controlled by a level sensor. The
pump must start when the water reaches the mini-
mum level in for instance a well (limit 2) and stop
when the water reaches the maximum level (limit 1).
Alarm limit
Limit 1
Limit 2
Fig. 7
Filling application
An alarm limit must be set above the maximum level.
Alarm limit:
Limit 1:
Limit 2:
Alarm limit
The alarm limit must always be set first.
Switch settings:
Switch 1: ON (up).
Switch 2: OFF (down).
Switch 3: ON (up).
Switch 7: OFF (down).
Turn the potentiometer until the indicator light for
90% illuminates. Wait 5 seconds until the value has
been stored.
Limit 1
Switch settings:
Switch 1: ON (up).
Switch 2: OFF (down).
Switch 3: ON (up).
Switch 7: ON (up).
Turn the potentiometer until the indicator light for
75% illuminates. Wait 5 seconds until the value has
been stored.
Limit 2
Switch settings:
Switch 1: ON (up).
Switch 2: OFF (down).
Switch 3: OFF (down).
Switch 7: ON (up).
Turn the potentiometer until the indicator light for
30% illuminates. Wait 5 seconds until the value has
been stored.
AI
90
75
60
45
30
15
%
90%.
75%.
30%.

8.2 Example 2, draining application

The application is controlled by a level sensor. The
pump must start when the water reaches the maxi-
mum level in for instance a well (limit 2) and stop
when the water reaches the minimum level (limit 1).
Limit 2
Limit 1
Alarm limit
Fig. 8
Draining application
An alarm limit must be set below the minimum level.
Alarm limit:
Limit 1:
Limit 2:
Alarm limit
The alarm limit must always be set first.
Switch settings:
Switch 1: ON (up).
Switch 2: OFF (down).
Switch 3: OFF (down).
Switch 7: OFF (down).
Turn the potentiometer until the indicator light for
15% illuminates. Wait 5 seconds until the value has
been stored.
Limit 1
Switch settings:
Switch 1: ON (up).
Switch 2: OFF (down).
Switch 3: OFF (down).
Switch 7: ON (up).
Turn the potentiometer until the indicator light for
30% illuminates. Wait 5 seconds until the value has
been stored.
Limit 2
Switch settings:
Switch 1: ON (up).
Switch 2: OFF (down).
Switch 3: ON (up).
Switch 7: ON (up).
Turn the potentiometer until the indicator light for
75% illuminates. Wait 5 seconds until the value has
been stored.
AI
90
75
60
45
30
15
%
15%.
30%.
75%.
11

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