SECTION 7 − MAINTENANCE AND TROUBLESHOOTING
7-1. Routine Maintenance
n = Check
* To be done by Factory Authorized Service Agent
Every
3
Months
nl Labels
Every
3
Months
nΔ lCables And Cords
Every
!
Do not remove case when
6
blowing out inside of unit
Months
(see Section 7-2) .
~:Durning heavy service, clean monthly.
7-2. Blowing Out Inside Of Unit
!
Disconnect power before maintaining.
.
Maintain more often during severe conditions.
Z = Change
~ = Clean
n l Gas Hoses
Δ = Repair
l = Replace
!
To blow out unit, direct airflow
through front and back louvers as
shown.
Do not remove case when
blowing out inside of unit.
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