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Installation Manual
Due to our policy of continuous product innovation, some specifications may change without notification.
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INSTALLATION
Duct Connection Dimensions
Chassis
Code
Supply Duct Connection Return Duct Connection
Type L1 L2 L3
Flange
Depth
Opening Location L5 L6 L7
Flange
Depth
High-Static Ducted Indoor Units
M1 Flange 6-21/32 33-23/32 1-13/32 3/4 Rear 9-1/16 33-7/16 15/16 No Flange
M2 Flange 7-7/8 47-15/32 1-13/32 27/32 Rear 9-3/32 47-1/2 15/16 No Flange
M3 Flange 11-7/16 47-19/32 1-21/32 13/16 Rear 12-21/32 47-9/16 7/8 No Flange
B8 Flange 12-7/16 44-1/4 6-3/4 1 Rear 15-7/16 55 2 1-1/8
Low-Static Ducted Indoor Units
L1 Flange 5-7/8 26 13/16 5/8
Rear 6-1/8 26 3/4 No Flange
Bottom 6-1/16 26 3/4 No Flange
L2 Flange 5-7/8 33-13/16 13/16 5/8
Rear 6-1/8 33-11/16 3/4 No Flange
Bottom 6-1/16 33-13/16 3/4 No Flange
L3 Flange 5-7/8 41-3/4 13/16 5/8
Rear 6-1/8 41-11/16 3/4 No Flange
Bottom 6-1/16 41-11/16 3/4 No Flange
Table 14: Duct Connection Dimensions (in.).
Figure 12: High-Static Ducted (B8) Indoor Unit Duct
Connection Dimensions.
Figure 13: Low-Static Ducted (L1/L2/L3) Indoor Unit Duct
Connection Dimensions.
L3
L1
L2
L5
L7
L6
L2
L3
L6
L5
Supply
Return
Supply
Return
Figure 14: High-Static Ducted (M1/M2/M3) Indoor Unit Duct
Connection Dimensions.
L2
Return
Supply
L1
L6
L5
L3
L7
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