Wilo NL-HE Series, Инструкция по установке и эксплуатации

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Application/use en
Installation and operating instructions Wilo NL-HE 9
Leakages
Observe local standards and regulations. Avoid pump leakages to protect persons and the
environment against hazardous (explosive, toxic or hot) substances.
Ensure that a dry run of the pump is not possible. A dry run can damage the shaft seal and
thereby cause leakages.
2.7 Maintenance tasks
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Wear the following protective equipment:
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Sealed safety goggles
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Safety shoes
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Safety gloves for protection against cuts
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Only carry out the maintenance tasks described in these installation and operating in-
structions.
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Only original parts from the manufacturer may be used for maintenance and repairs. Use
of parts other than original parts releases the manufacturer from any liability.
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Collect any leakage of fluid and operating fluid immediately and dispose of it according
to the locally applicable guidelines.
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Store tools at the designated locations.
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After completing work, reattach all safety and monitoring devices and check that they
function properly.
2.8 Drive: NEMA standard motor
The hydraulics have a standardized connection flange for installing a NEMA standard motor.
See the technical data for the performance data (e.g. size, construction, hydraulic rated
power, speed) needed to select a motor.
2.9 Operator responsibilities
The operator must:
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Provide the installation and operating instructions in a language which the personnel can
understand.
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Make sure that personnel are suitably trained for the specified work.
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Ensure that safety and information signs mounted on the device are always legible.
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Train personnel with regard to the operating principles of the system.
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Eliminate any risk from electrical current.
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Equip hazardous components (extremely cold, extremely hot, rotating, etc.) with an on-
site guard.
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Demarcate and cordon off the hazardous area.
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Define personnel responsibilities to ensure safe working practice.
Children and persons younger than 16 years or with reduced physical, sensory or mental ca-
pacities or limited experience are prohibited from handling the device! Persons under the
age of 18 must be supervised by a technician.
3 Application/use
3.1 Intended use
The glanded pumps in the Wilo NL-HE series are intended for use as circulators in building
services.
The Wilo NL-HE pumps may only be used for:
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Hot-water heating systems
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Cooling and cold water circulation systems
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Drinking water systems (special version)
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Industrial circulation systems
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Heat carrier circuits
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Irrigation
The pumps are only approved for the fluids specified in the “Technical data” section.