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I-91
SM831148
1. Specifications
1
2
3
4
5
6
Dimensions of Wind Ducting
Reference diagram for air-discharge chamber (field supply)
For outdoor unit 2672R / 3072R / 3672R
1
2
(25/32)
(25/32)(25/32)
(25/32)
21-13/16
9-27/32
22-7/16
23-15/32
1-1/16
5-5/32
5-3/16
9-27/329-27/32
21-13/16
15/16 17/32
21-39/64
2
Rectangular hole
(both sides)
6-ø15/64 hole
3-ø5/32 hole
1 Air discharge chamber
2 Air discharge chamber (base)
Unit: inch
For outdoor unit 4272R
9-7/161-1/8
1-1/8
1-3/821-5/3212-15/32
2-3/4
Rectangular
hole
Rectangular
hole
Rectangular
hole
Rectangular
hole
11-13/16
2
1
4
3
9-7/16
1-3/8
12-15/3221-5/32
2-3/4
21-13/3211
22-13/32
42-29/32
39-1/4
9-27/32
9-27/32
12-7/329-27/32
1 Unit front, air discharge chamber
2 Unit left side, air discharge chamber
3 Unit light side, air discharge chamber
4 Reinforcement brackets, 4 locations
Unit: inch
Note: In snowy regions, if there is concern that snow may enter the air discharge chamber,
remove the base of the chamber (10 screws) before using.