Fronius FK 4000, Operating Instructions Manual, Page: 3 / 52

Contents
Safety rules 5
Explanation of safety notices 5
General 5
Proper use 5
Environmental conditions 6
Obligations of the operator 6
Obligations of personnel 6
Mains connection 6
Protecting yourself and others 7
Noise emission values 7
Danger from toxic gases and vapours 8
Danger from flying sparks 8
Risks from mains current and welding current 9
Meandering welding currents 10
EMC Device Classifications 10
EMC measures 10
EMF measures 11
Specific hazards 11
Requirement for the shielding gas 12
Danger from shielding gas cylinders 12
Danger from escaping shielding gas 13
Safety measures at the installation location and during transport 13
Safety measures in normal operation 13
Commissioning, maintenance and repair 14
Safety inspection 14
Disposal 15
Safety symbols 15
Data protection 15
Copyright 15
General 16
Device concept 16
Scope of supply 16
Validity of "General Delivery and Payment Conditions" 16
Information about the coolant 16
Information on leaks 17
Warning notices on the device 17
Application areas 18
FK 4000 18
FK 4000 R, FK 4000 Rob, FK 4000 R FC, FK 4000 R US 18
Options 19
FK 4000 auto-transformer 19
FK 4000 R flow sensor with coolant filter 19
Thermostat 19
Coolant filter 20
Control elements and connections 21
Safety 21
Control elements and connections 21
Before installation and commissioning 22
Safety 22
Setup regulations 22
Information about the coolant 23
Guarantee provisions regarding the coolant pump 23
Proper use 23
Fitting coolant connections to the front of the unit 24
Safety 24
General 24
Fitting coolant connections to the front of the unit 24
Adapting the cooling unit to the respective mains voltage 26
Safety 26
General 26
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EN