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 information 17
General 19
Device concept 19
Device versions 19
Scope of supply 20
Validity of 'General Delivery and Payment Conditions' 21
Firmware updates 21
Information on leaks 21
Information about the coolant 21
Options 22
OPT/i CU flow temperature sensor 22
OPT/i CU level sensor 23
OPT CU front coolant connections 23
OPT/i CU Torch deflate 23
Service life of the coolant pumps 24
Coolant pump service life in cooling units for single-shift operation 24
Coolant pump service life in cooling units for multi-shift operation 24
Warning notices on the device 25
Overview 25
Connections and mechanical components 27
Connections and mechanical components 29
Connections and mechanical components: CU 1100i, CU 1200i, CU 1400i 29
Connections and mechanical components: CU 800i 30
Installation and commissioning 31
Before installation and commissioning 33
Safety 33
3
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