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2 Safety information
Dangers when using the equipment
Weishaupt products are manufactured in accordance with the relevant existing
standards and guidelines, and the recognized safety laws. However, improper use of the
equipment could endanger the life of the user or third party or result in damage to the
plant.
To avoid unnecessary danger, the equipment must only be used:
• For its intended purpose;
• Under ideal safety conditions;
• With reference to all the information in the installation and operating instructions;
• In accordance with inspection and service work.
Faults, which could affect the safe operation of the burner, should be rectified at once.
Personnel training
Only competent personnel may work on the appliance. Competent personnel, according
to this operating manual, are persons who are familiar with the installation, mounting,
setting and commissioning of the product and have the necessary qualifications such as:
• Training, instruction or authorization to switch electrical circuits and electrical devices
on and off, to ground them and to mark them in accordance with the safety standards.
• Training, instruction or authorization to carry out installation, alteration and
maintenance work on gas installations in buildings and on site.
Organizational measures
• The necessary protective clothing should be worn by everyone working in the plant.
• All safety devices should be checked regularly.
Informal safety measures
• In addition to the Installation and Operating Instructions, local codes of practice
should also be adhered to. Special attention should be given to the relevant
installation and safety guidelines.
• All safety and danger notices should be kept in a legible condition.
Safety measures in normal operation
• Only use the equipment when all safety devices are fully functional.
• At least once a year, the equipment, including all safety devices, should be checked
for signs of visible damage and to ensure that all safety devices are operating
correctly.
• More frequent safety checks may be required depending on plant conditions.
Electrical safety
• Work on the electrical supply must be carried out only by a qualified technician.
• Electrical components should be checked during servicing. Loose connections and
damaged cables should be fixed immediately.
• Control panel should be kept locked. Access should be limited to authorized
personnel with the appropriate key or tool.
• Should it become necessary to carry out work on live parts, a second person should
be present to switch off the main supply in case of an emergency.
Maintenance and fault rectification
• Necessary installation, service and inspection work should be carried out at the
specified time.
• Inform the operator before beginning any service work.
• Prior to all service, inspection and repair works, electrically isolate the equipment and
ensure the main switch cannot be accidentally switched back on. Cut off the fuel
supply.
• If during servicing or testing, sealed joints have to be opened, these have to be
thoroughly cleaned to ensure tight sealing when reassembling. Damaged seals must
be replaced. Carry out a gas train leak test!
• Flame monitoring devices, limit controls, correcting elements and all the other safety
devices must be commissioned by, and may only be replaced by the manufacturer or
an authorized agent.
• Screwed connections, which have been loosened, must be re-tightened without cross
threading.
• Following service work, all safety devices should be tested to ensure their correct and
proper functions.
Installation and Operating Instructions
Gas burner WG20.../1-C ZM-LN (W-FM 25)
83055116 • 1/2016-05
