TEMPRA 24
19
Remove fan by pulling off electrical
connections. Pull off air pressure
switch tubes from the air pressure
switch remove 2 screws b. Rotate
the fan downward to disengage it
from the securing pin a.
Fig. 21a
b
b
a
3.05 For installation (back fl ue connection)
For direct back fl ue connection it is necessary to use the optional kit, and it is required to alter the fan
direction inside the boiler.
Follow carefully next procedure:
Fig. 21b
Fig. 21c
Fig. 21d
Remove fan mounting plate by undoing the three fi xing screws d. Rotate the fan through 90° so that the fan nozzle
points sideways. Secure the fan to the plate in the new position using screws in position c.
Fig. 21e
c
d
c
d
d
-
c
Common
For rear outlet
For upper outlet
Fig. 21g
For rear
outlet
c
c
c
Fig. 21f
d
d
d
For upper
outlet
Take off the four screws which fi x the back plate on sealed chamber, remove and rotate
the plate through 90° and fi t it to the top of the boiler to cover the original fl ue outlet.
Secure it in place with the four screws removed previously.
