Lanair HI140i User Manual
Page 78
SECTION 20 HI-100i/HI-140i COMBUSTION
CHAMBER/HEAT EXCHANGER CLEANING
INSTRUCTIONS CONTINUED
20.9 On the left side facing the front of the unit remove the (2) 1/4“ sheet metal
screws from the manifold clean out ports. Using an industrial type canister
vacuum cleaner with a high efficiency filter, or the ash rake provided, remove
all ash accumulation.
MANIFOLD CLEAN OUT
20.10 The chimney connector can also be removed to allow access to the manifold
for cleaning. Clean and inspect the chimney connector if necessary. Replace
the (2) 1/4” screws in the clean out ports on the heater. Replace the front of
the cabinet replacing the (6) 1/4” sheet metal screws. Check your draft
reading to make sure your barometric damper is properly set (See Section
5).
20.11 Reconnect all power at the main breaker box, wait ten minutes before turning
the thermostat up. Your heater is now ready for normal operation.
Do not operate your furnace with clean out panels or ports removed.
NOTE: When changing the target brick, call the Lenan Service Department
for assistance at 800-753-1601.
Page 57