Maintenance Instructions - Buderus G315 Assembly, Maintenance And Operating Instruction

Maintenance Instructions

• Brush top secondary heat exchanger passages with
brushes #1 and #2 (Fig. 41 and 42).
• Clean the rear wall of the combustion chamber
with brush #3.
• Clean sides of combustion chamber with brush #2.
• Remove deposits and soot from flue collector (Fig. 43).
• Brush the lower flue passages from the front and rear
with brush #2 (Fig. 42).
• Remove all deposits and soot from combustion
chamber and passages.
• Check integrity of sealing ropes of clean-out covers
and burner door. Replace sealing ropes if damaged or
hardened by contacting Buderus Hydronic Systems.
• Insert flue gas baffles. See page 14 for details.
• Reinstall clean-out covers and secure burner door.
Tighten bolts and screws evenly. Reinstall back jacket
panel.
Wet cleaning procedur e
• Follow the above procedure for accessing the boiler
to perform a wet cleaning of the boiler. Follow
cleaning agent instructions.
Water level control
• Maintain water pressure within the required levels.
• Verify system water level; add water and vent as
needed. Automatically add water to system and vent
during operation. Determine and correct problem if
continuous make-up water must be added to the system.
Note: Continuous make-up water indicates a leak in the
system. This causes corrosive damage to all system
components and must be solved immediately.
Warranty voided if problem is not corrected.
Fill and make-up water requirements
• Fill and make-up water must comply with the requirements listed on page 4.
Use brushes #1 and #2
for secondary passages
Fig. 42
Clean-out covers for
lower flue passages
Fig. 43
11
Use brushes #2 and
#3 for combustion
chamber walls
Clean-out covers on
flue gas collector
23