Product Overview - Hach 6631800 Instrucciones Para El Usuario

Changes or modifications to this equipment not expressly approved by the party responsible for
compliance could void the user's authority to operate the equipment. This equipment has been tested
and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC rules.
These limits are designed to provide reasonable protection against harmful interference when the
equipment is operated in a commercial environment. This equipment generates, uses and can
radiate radio frequency energy and, if not installed and used in accordance with the instruction
manual, may cause harmful interference to radio communications. Operation of this equipment in a
residential area is likely to cause harmful interference, in which case the user will be required to
correct the interference at their expense. The following techniques can be used to reduce
interference problems:
1. Disconnect the equipment from its power source to verify that it is or is not the source of the
interference.
2. If the equipment is connected to the same outlet as the device experiencing interference, connect
the equipment to a different outlet.
3. Move the equipment away from the device receiving the interference.
4. Reposition the receiving antenna for the device receiving the interference.
5. Try combinations of the above.

Product overview

Electric shock hazard. The power supply must be connected to an electrical outlet that provides an
earth ground connection.
Explosion hazard. The 6631800 and 6632500 power supplies are not approved for use in hazardous
locations as defined in the National Electrical Code.
This instruction sheet applies to the following power supplies: 6631800 and 6632500.
Prerequisites:
• Make sure that the AC power source has sufficient capacity for the power supply.
• Make sure that all electrical installations and connections are in accordance with national and local
electrical codes.
• Make sure that the AC power source is grounded and protected with a Ground Fault Current
Interrupt (GFCI).
• If the GFCI breaker in the AC power source fails (opens), determine the cause before restoring
power.
• Do not attempt to make any connection or otherwise handle the electrical components of the unit
when connected to the AC power source if the immediate area is wet, or if hands or clothing are
wet.
• Before starting any maintenance task, disconnect the unit from the AC power source.
Installation
Multiple hazards. Only qualified personnel must conduct the tasks described in this section of the
document.
Mounting
Attach the unit to a wall with four #6 self-tapping screws. Refer to
D A N G E R
W A R N I N G
D A N G E R
Figure 1.
English 5