Operating instructions

8 Start up
WARNING!
Warning about personal and material damage
EX pumps only: When operating in EX areas, certain sub‐
jects must be observed.
– The chapter "Important supplements for metering pumps
in EX zones" of the "General Operating Instructions on
ProMinent
®
Motor-Driven Metering Pumps and Hydraulic
Accessories" must be observed in all cases.
WARNING!
Fire danger
Only with combustible media: These may start to burn when
combined with oxygen.
– When filling and draining the liquid end, the feed chem‐
ical must not come into contact with oxygen.
CAUTION!
Warning about personal and material damage
Also observe the "General Operating Instructions for ProMi‐
nent
®
Motor-Driven Metering Pumps and Hydraulic Accesso‐
ries"!
CAUTION!
Warning of personal injury and material damage
The metering pump may only be operated by trained per‐
sonnel. The operator is responsible for ensuring that under
the given operating conditions (pressure, temperature, corro‐
siveness, etc.) danger to the operating personnel is avoided
by use of appropriate accident prevention measures.
CAUTION!
Feed chemical could escape
– Check suction and discharge lines, liquid end and valves
for leak-tightness and tighten if necessary.
– Check whether the necessary flushing pipes are con‐
nected.
CAUTION!
Prior to commissioning check the drive motor and corre‐
sponding ancillary equipment is connected according to reg‐
ulations.
CAUTION!
When using pumps with speed control, observe the instruc‐
tions in the frequency converter operating instructions.
Safety information
Start up
27