Safety
4
RG 210
2 Safety
2.1 Intended
use
The RG 210 level controller may only be used as a level switch, as
level control for filling or as level control for emptying for liquids. The
RG 210 level controller detects minimum or maximum levels and
switches pumps or valves to control levels of liquids.
The RG 210 level controller consists of a control unit and one PTC
thermistor probe (level switch) or two PTC thermistor probes (level
control for filling and emptying). The control unit may only be used
with PTC thermistor probes type 937 and type 150.
The RG 210 level controller may only be used for the following
liquids
:
With the type 937 PTC thermistor probe only for:
•
Fuel oil EL, L or M
With the type 150 PTC thermistor probe only for:
•
Water
•
Fuel oil EL, L or M
•
Diesel fuel or low-viscosity lubricants group AIII and danger
class AIII
•
Motor oils, gearbox oils and hydraulic oils
•
Vegetable oils and transformer oils
•
Antifreeze agents
•
Oil-water mixtures, emulsion
and comparable liquids (not AI, AII !) with equivalent heat conductiv-
ity if these liquids do not attack the following
wetted parts
:
•
PTC thermistor probe: stainless steel
•
Plastic: PA6 (Furkamid B SK 1)
•
Sealing material: 3M Scotch Cast No 815 perm. elast. 2 comp.
•
Cable Oilflex 100: resistant to acids, lye and oils and not agglu-
tinating or coking
Any use other than the use explicitly stated in this instruction manual
is not permitted.
2.2 Predictable
incorrect
application
The RG 210 level controller must never be used in the following:
•
Use as an overfill alarm system according to TRbF
