KNF N 816.3 User manual

N816.3
TRANSLATION OF ORIGINAL
OPERATING AND INSTALLATION
INSTRUCTION
ENGLISH
KNF 347378-347590 09/23
OEM
Notice!
Before operating the pump and accessories, read and observe the operat-
ing and installation instructions as well as the safety information!
DIAPHRAGM PUMP
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Contents
1 About this document ............................................................................. 3
1.1 Using the operating and installation instructions........................... 3
1.2 Exclusion of liability....................................................................... 3
1.3 Symbols and markings.................................................................. 4
2 Safety .................................................................................................... 6
2.1 Personnel and target group .......................................................... 6
2.2 Responsibility of the operator ....................................................... 7
2.3 Working in a safety conscious manner ......................................... 7
2.4 Operating conditions ..................................................................... 8
2.5 Media ............................................................................................ 8
2.6 Use................................................................................................ 9
2.7 Directives and standards ............................................................ 10
2.8 Customer service and repair....................................................... 11
2.9 Disposal ...................................................................................... 11
3 Technical data..................................................................................... 12
3.1 Technical data............................................................................. 12
4 Product description ............................................................................. 14
5 Transport............................................................................................. 16
General ....................................................................................... 16
6 Installation and connection.................................................................. 18
6.1 Installing the pump...................................................................... 18
6.2 Electrical connection ................................................................... 21
6.3 Pneumatic connection................................................................. 23
7 Operation ............................................................................................ 25
7.1 General ....................................................................................... 25
7.2 Information on switching the pump on and off ............................ 28
8 Servicing ............................................................................................. 29
8.1 Servicing schedule...................................................................... 30
8.2 Cleaning...................................................................................... 30
8.3 Replacing diaphragm and valves................................................ 32
9 Spare parts and accessories............................................................... 38
9.1 Spare parts ................................................................................. 38
10 Troubleshooting .................................................................................. 39
11 Returns................................................................................................ 43

Diaphragm pump N816.3 About this document
Translation of Original Operating and Installation Instruction, KNF 347378-347590
09/23
3
1 About this document
1.1 Using the operating and installation
instructions
The operating and installation instructions are part of the
pump.
àIn the event of uncertainties with regard to the content of
the operating and installation instructions, please contact
the manufacturer (contact data: see www.knf.com).
Please have the type and serial number of the pump
ready.
àRead the operating and installation instructions before you
commission the pump.
àGive the operating and installation instructions only com-
pletely and unchanged to the next owner.
àKeep the operating and installation instructions within
reach at all times.
Project pumps For customer-specific project pumps (pump models that begin
with "PJ" or "PM"), there may be deviations from these oper-
ating and installation instructions.
àFor project pumps, also observe the agreed specifica-
tions.
Optional con-
tents
Project-specific options may be included in the operating and
assembly instructions. These are marked with "Optional". It is
also possible that project-specific deviations are not included
in the operating and assembly instructions.
1.2 Exclusion of liability
The manufacturer assumes no liability for damages and mal-
functions resulting from failure to observe the operating and
installation instructions.
The manufacturer assumes no liability for damages and mal-
functions resulting from changes or modifications to the de-
vice and improper handling.
The manufacturer assumes no liability for damages and mal-
functions resulting from impermissible spare parts and acces-
sories.
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EN

About this document Diaphragm pump N816.3
4Translation of Original Operating and Installation Instruction, KNF
347378-347590 09/23
1.3 Symbols and markings
Warning notice
WARNING
A notice that warns you of danger is lo-
cated here.
Possible consequences of a failure to
observe the warning notice are speci-
fied here. The signal word, e.g., Warn-
ing, indicates the danger level.
àMeasures for avoiding the danger
and its consequences are speci-
fied here.
Danger levels
Signal word Meaning Consequences if
not observed
DANGER warns of immediate
danger
Death or serious in-
jury or serious
damage will result.
WARNING warns of possible
danger
Death, serious in-
jury or serious
damage is possi-
ble.
CAUTION warns of a possibly
dangerous situation
Minor injury or
damage is possi-
ble.
NOTICE Warns of possible
damage
Damage is possi-
ble.
Tab.1: Danger levels

Diaphragm pump N816.3 About this document
Translation of Original Operating and Installation Instruction, KNF 347378-347590
09/23
5
Other notices and symbols
àAn activity to be carried out is specified here (a step).
1. The first step of an activity to be carried out is specified
here.
Other sequentially numbered steps follow.
This symbol indicates important information.
Explanation of pictograms
Pictogram Meaning
General warning symbol
Warning of hot surface
Warning of electrical voltage
Warning of poisonous substances
Warning of hand injuries through crushing
Observe the operating instructions
General mandatory sign
Tab.2: Explanation of pictograms
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