12 Service Guide / Trouble Shooting; Maintenance And Annual Check [Herringbone] - Schwank deltaSchwank Series Technical Manual

deltaSchwank
12
Service guide /
Trouble shooting
Maintenance and annual check
[herringbone]
A regular maintenance is the requirement for a
faultless operation of the appliance.
According to the National Standard Regulations,
heating-systems with radiant tubes must be
checked at least once a year.
Maintenance and troubleshooting is only allowed
by professional personnel that is competent and
instructed in radiant tubes.
Before starting work on the heater the
gas cock has to be closed.
Maintenance must include the following checks:
 Check surface of combustion chamber
tubes/radiant tubes and if fit necessary clean up.
 Check the slope of the tubes [3 mm/m in
direction of the turnaround box connection]
 Check correct and firm connection of the
reflectors and intermediate reflectors.
 Check tightness of gas-carrying parts and
connections.
 Check the flexible gas hose for correct
installation and tightness.
 Check electrical connection to the burner kit.
 Check the air/flue-system
 Check firm mounting and tightness of gas-/air
ratio control unit within burner kit.
 Check condensation pipes.
 Check the safety functions of the ignition- and
ionisation-controls, gas valves and operation
indicator
 Check functionality Functional test of control
and regulation equipment, switchgear and
signal lights
 Check gas filter in case of reduced line
pressure, in case of pollution change filter pad
[spare part kits gas filter]
 Check correct parameter setting.
 Check safety distances and information boards.
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Any deviations must be fixed immediately. Defect
parts must be changed directly.
Maintenance work on gas valves, flame sensing
and safety devices can only be maintained by the
manufacturer or authorized personnel.

After the end of the maintenance work,
the device must be put back into
operation!