Operation
RG 210
17
ª
The connected PTC thermistor(s) are heated up after approx.
8 seconds, provided they are not submerged in liquid.
2.
Perfom a function test, refer to chapter 6.5, page 17.
6.5 Function
test
1.
Submerge the probe(s) in liquid.
ª
The yellow LEDs must light up immediately.
2.
Remove probe(s) from the liquid.
ª
After approx. 8-15 seconds the yellow LEDs must change the
switching state.
3.
Observe the green LED and the relay.
ª
The function sequence must correspond to the description of the
selected operating mode in chapter 3.1, page 7.
7 Operation
RG 210 automates the control of pumps and valves. The operation
of the RG210 is limited to its regular monitoring:
•
Function check OK.
•
Probe free from deposits.
8 Maintenance
8.1 Maintenance
intervals
Table 4: Maintenance intervals
When
Activity
Once per
year
X
Perfom an operation test.
X
Check the probe(s) for deposits.
There must be no deposits on the glass housing
of the PTC thermistor. If the PTC thermistor is pol-
luted, replace probe(s)
.
At regular
intervals
X
Perform suitable checks to ensure that the level
switch and its environment are always clean, ac-
cessible and easy to oversee.
