Safety Precautions; Service And Repairs - Hach ORBISPHERE K-M1100 User Manual

General Information

1.2.2 Safety precautions

Personal Injury Hazard. Only qualified personnel should conduct the tasks described in this
manual.
Install the device in a location and position that gives easy access to the disconnect device
and its operation.
• The power cord plug connection is also used as a main power switch.
• The instrument must be connected to an electrical system which complies with
applicable local regulations.
• All the cables connected to the instrument must be fire resistant, type UL94V-1
• The operator must read and understand this manual before using the instrument.
• The instrument will not be used as a safety device. It does not provide a security
function in a hazardous process.

1.2.3 Service and repairs

None of the analyzer's components can be serviced by the user. Only personnel from Hach or
its approved representative(s) is (are) authorized to attempt repairs to the system and only
components formally approved by the manufacturer should be used. Any attempt at repairing
the analyzer in contravention of these principles could cause damage to the analyzer and
corporal injury to the person carrying out the repair. It renders the warranty null and void and
could compromise the correct working of the analyzer and the electrical integrity or the CE
compliance of the analyzer.
6
Always remove power from the controller before performing maintenance activities.
Potential Electrocution Hazard. Always disconnect power to the instrument when
making electrical connections.
Potential Electrocution Hazard. If this equipment is used outdoors or in potentially
wet locations a Ground Fault Interrupt device must be used for connecting the
equipment to its main power source.
Potential Electrocution Hazard. Connect only safety low voltage < 33 VAC RMS.
Potential Instrument Damage. Delicate internal electronic components can be
damaged by static electricity, resulting in degraded performance or eventual failure.
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