Step 9: Lift the heat exchanger by removing the 4 screws securing it to the drain pan.
WARNING
• Removing the heat exchanger may cause the side drain pan to fall off the main drain
pan.
– Drain pan may fall and cause personal injury.
PAA unit inverted to show how the 4 screws
are removed.
Specifications are subject to change without notice.
PAA-A18, 24, 30, 36, 42AA1/BA1/CA1 and all-
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