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6 Commissioning and startup
6.1 Conditions
Commissioning and startup must only be carried out by trained and qualified person-
nel.
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Prior to commissioning, all installation works must be completed and checked.
The burner must be installed on the heat exchanger and ready to function with all
control and safety devices connected. Check the following:
• Burner is installed, gap between flame tube and heat exchanger’s refractory
must be filled with flexible insulation material (refer to Chapter 4.3)
• Fuel supply is ready and complete.
• Electrical connection and control lines are ready and complete.
Depending on the site requirements, further checks may be necessary. Pay attention to
the instructions for individual components / items of equipment.
Safety notes on initial commissioning
The initial commissioning must only be carried out by the supplier, manufacturer or their
appointed agent. At this time, all the control and safety equipment must be checked to
ensure correct operation and, if it can be adjusted, it should be checked that it has been
set correctly.
Furthermore the correct fusing of the circuits and the measures for contact protection of
electrical equipment and of all wiring must be checked.
Checklist prior to initial commissioning
o
Heat exchanger must have been correctly installed
o
Operation procedures of the heat exchanger must
be strictly followed
o
The entire installation must be wired correctly
o
Heat exchanger and heating system must be
adequately filled with heating medium
o
Flue gas passages must be freed from any obstacle
o
Any flue gas damper must be opened
o
Supply of fresh air must be guaranteed
o
Appropriate points for flue gas measurement must
be available
o
Water level control and interlocks must be correctly
set
o
Temperature controller, pressure regulator and
safety limits must be ready for operation
o
Heat demand must be readily available
o
Fuel distributing lines must be vented off (free of air
or any other inert gas)
o
Leak test for gas train must have been performed and
documented
o
Ensure correct nozzles have been selected and are
installed correctly (refer to nozzle selection table)
o
Burner must be installed correctly
o
Gas supply pressure must be according to
specification
Hints:
Further installation related tests might be
required. Hereby pay attention to the operating
instructions of each component
Installation and Operating Instructions
Gas burner WG20.../1-C ZM-LN (W-FM 25)
83055116 • 1/2016-05
CAUTION
