Duct Connections - Mitsubishi Electric PAAA18AA1 Installation Manual

9. Duct connections

Side View
NOTE
• See the outline drawing in the "Dimensions" section for the size of the duct connection.
• Use flanged ducts for connections to return.
• Do not use sheetmetal screws longer than 0.75" to secure any ductwork to the A-Coil
cabinet.
NOTE
Installer can use screws only in the shaded area indicated above, when connecting to the
furnace or return ductwork.
CAUTION
• Add additional external insulation to prevent surface condensation.
– Improper installation may cause damage to the unit or surroundings due to condensa-
tion.
Specifications are subject to change without notice.
PAA-A18, 24, 30, 36, 42AA1/BA1/CA1
37
0.75" MAX
© 2022 Mitsubishi Electric US, Inc.
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