Electrically wire an additional potential equalisation cable from the poten‐
tial equalisation cables from this system cleanly and permanently to an
electrically clean potential equalisation point, e.g. to a potential equalisa‐
tion bar on site.
5–25 V DC, in accordance with Namur or DIN 19234, potential-free
design.
Data Value Unit
Rated voltage * 8 VDC
Power consumption - active surface
uncovered
> 3 mA
Power consumption - active surface cov‐
ered
< 1 mA
Rated switching distance 1.5 mm
* Ri ~ 1 kΩ
Cable colour Polarity
blue -
brown +
Install the sensor according to the chapter "Installation,
electrical". Refer to its documentation.
Sensor name: NJ1.5-8GM-N.
Measure the surface temperature at maximum load. Additional information
– refer to the operating instructions for the gear.
Check the pump installation for:
n Leaks
n Abnormal noises or squeaks
n Abnormal temperatures
n Abnormal odours
n Abnormal vibrations
n Other anomalies
WARNING!
Stop the pump immediately in the event of any anoma‐
lies when inspecting the pump and rectify them immedi‐
ately. ProMinent Service may be needed if required.
Interval Maintenance work
After 18,000 operating hours or 23,500 oper‐
ating hours (API)
Adhere to the motor manufacturer's recommendations - see oper‐
ating instructions for the motor.
After 40,000 h: All the pump bearings must be replaced for ongoing
ATEX use.
Namur sensor (Specified for EX zones)
Check the temperature of the gear
Inspection, daily
Maintenance
Safety chapter
16
To Next Page
Loading...
Need help?
General
