ECOLAB D50 Bedienungsanleitung Seite 56

Commissioning / operation
5 Commissioning / operation
5.1 Start-up
Personnel:
Protective equipment:
NOTICE!
Prior to initial operation, check the resistance of the O-rings to the chemicals to
be conveyed:
– EPDM for alkaline
– FKM HF for acidic
Fig. 3: Putting the suction lance into operation
1.
Install a connector appropriate for the suction connection on the pump to the 2"
thread on the suction connection.
2.
If a product return is present, fit this to the 2" thread of the return connection using a
suitable connector.
3.
Connect the empty signal reserve contact to the empty signal input connector.
MAN050419 Rev. 2-10.2023
n Operator
n Specialist
n Protective eyewear
n Chemical-resistant protective gloves
n Safety shoes
1
2
3
4
NOTICE!
– Only hand-tighten union nuts on the connectors and screwed unions
on containers. Do not use any tools.
– For suction lances with a return connection, be sure not to confuse the
suction and return connection.
If a product return is present, use the suction lance 250055 or 250055.
1 Empty signal input connector
2 Suction connection
3 Return connection
4 Barrel screw joint
Ä Chapter 4 'Structure' on page 19
20