KNF N680 EX, Manual

Page: 25 / 140

Diaphragm pump N680 EX Operation
Translation of Original Operation and Installation Instruction, english, KNF 325438 02/22 25
8 Operation
8.1 General
WARNING
Risk of burns from hot pump parts and/or hot
medium
Some pump parts may be hot during or after oper-
ation of the pump.
à
Allow the pump to cool after operation.
à
Take protective measures to protect against
touching hot parts.
WARNING
Injury to eyes
Coming too close to the inlet/outlet of the pump
may result in injury to the eyes due to the present
vacuum/operating pressure.
à
Do not look into the pump inlet/outlet during
operation.
à
Only operate the pumps in accordance with the operating parameters
and operating conditions described in Chapter
4 Technical data and in
Chapter 2.3 Use in potentially explosive areas .
à
Ensure the proper use of the pumps (See Chapter 2.1 Proper use ).
à
Eliminate the possibility of improper use of the pumps (see Chapter 2.2
Improper use ).
à
Observe safety notices (Chapter 3 Safety ).
WARNING
Risk of pump head bursting due to excessive
pressure increase
à
Do not exceed the maximum permissible op-
erating pressure (see
4 Technical data ).
à
Monitor the pressure during operation.
à
If the pressure exceeds the maximum permis-
sible operating pressure of the pump: immedi-
ately switch off the pump and remedy the fault
(see Chapter Troubleshooting).
à
Only throttle or regulate the air or gas quantity
on the suction line to prevent the maximum
permissible operating pressure from being ex-
ceeded.
à
If the air quantity or gas quantity on the pres-
sure line is throttled or regulated, make sure
that the maximum permissible operating pres-
sure at the pump is not exceeded.
à
Ensure that the pump outlet is not closed or
restricted.