Schwank infraSchwank D Series Technical Manual page 55

bracket for further assembling next
protection grid.
8. Put next segment ball protection grid
L= 1843mm from below on angle brackets
and mount clamps with self-locking nuts M8
Last segment ball protection grid L= 1843mm
protects the burner unit at the bottom.
NOTE 50-60kW: Ball protection grid on fan
side has to be cut for mounting and
compensation thermal length expansion of
max. 8cm [Fig. 54]!
9. After finish assembling of all ball protection
grids fix holding bracket with 3x self-tapping
screws on the reflector.
10. Push on protection grid burner top from
behind over ball protection grid and burner
up to the suspension bracket. Note that the
lower short bending is on the left side in view
from behind.
Fix burner protection grid burner top with
supplied cable straps or similar at bottom
protection grid.
11. Protection grid burner top has to be cut
holes depends on installation on-site for flue
system and may be gas line. Connect flue
system pipes and gas line.
NOTE: Select the cutouts large enough to
compensate the thermal length expansion of
the heater!
12. Insert front protection cover burner between
front cover plate reflector and burner unit
and fix it with supplied cable straps or similar
on protection grid burner top [Fig. 55].
13. Protection grid burner end side has to be cut
hole depends on installation on-site for gas
line.
Fix with supplied cable straps or similar on
protection grid burner top.

Please note the required number and
length of segments ball protection grids
for each type of heater. Compare this to
the tabular and graphical overview.
Fig. 48: sideways slope heater in ball protection application
infraSchwank D / calorSchwank D shape U
Fig. 49: Overview of ball guards
55