Lanair HI320 User Manual
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SECTION 20 HI-320 COMBUSTION CHAMBER/HEAT
EXCHANGER CLEANING INSTRUCTIONS
Note: Whenever cleaning of the combustion chamber and heat exchanger are
required, proper protective clothing MUST BE WORN.
WARNING: DISCONNECT ALL ELECTRICAL POWER TO HEATER BEFORE
SERVICING!
20.1 Turn thermostat to the lowest setting; the heater must be completely cool
before attempting to clean the heater (place the fan/limit on the manual
position to start the fan and shorten the cooling time if the unit is hot).
20.2 Turn off all power to the heater (120 VAC) at the main disconnect. Place the
fan/limit switch lever back into the auto position so the fan is off upon
restarting.
Clean Out Access
Power Cable
Burner
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