Technical data

15
ALPHA700
18.2.11
Ensure 2 piece rigid ceramic fibre target wall is correctly assembled into rear combustion chamber access
way. See Fig 6.
a) taking one piece of (the 2 piece) target wall which has the rearmost overlap and inserting it into the
boiler through the rear access way. Temporarily retain in place using one of the vertical support
beams and lightly affix using retaining nut.
b) Carefully insert remaining piece of target wall and position the remaining vertical support beam.
c) Carefully remove retaining nut fitted in (a) above, and install locking piece and locate onto target
wall fixing studs passing through the vertical support beams, ensuring “U” section faces in towards
target wall and acts to steady and retain the vertical beams.
d) Fit and tighten firmly (but do not over tighten) securing nuts onto target wall fixing studs.
e) Carefully place into position the secondary mill board panel. (not shown)
f) Ensure ceramic fibre rope seal is correctly positioned in channel around the rear access way.
g) Close rear access way with the steel cover panel and secure using nuts provided.
WARNING !!!
Under no circumstances must the boiler be put into service without a complete and correctly fitted target
wall assembly being in place.
Alpha 700 Series
Boilers
View of rear access way with
steel cover panel and secondary
millboard insulation panel removed
to show correctly assembled
arrangement.
View from rear of boiler.
fig.6
Ceramic Target Wall
(2 piece)
Locking piece installed with
“U” section between
vertical beams
Ceramic Fibre
Rope Seal
Vertical support beams.
Must be installed with
return folded edge facing
towards boiler