Design and Technical Manual

4. INDOOR UNITS
DIMENSIONS4.
COMPACT CASSETTE TYPE4-1.
MODELS : AUU7RLF, AUU9RLF, AUU12RLF, AUU18RLF

AUU7RLF, AUU9RLF,
AUU12RLF
AUU18RLF

Refrigerant pipe are
connection
Liquid ø 1/4 in. (ø 6.35 mm) ø 1/4 in. (ø 6.35 mm)

Gas ø 3/8 in. (ø 9.52 mm) ø 1/2 in. (ø 12.70 mm)

Drain hose connection Drain hose I.D.: Ø 1 in.(Ø 25 mm), O.D.: Ø 1-1/4 in.(Ø 32 mm)
Unit: in. (mm)
(Drain hose)
20-7/8 (530): Hanging bolt position
4 (102)
5-5/16
(135)
9-13/16 (250)
27-9/16 (700)
27-9/16 (700)
2-15/16 (75)
1-3/16 (30)
1-3/16 (30)
10-5/16 (262)
21-1/4 (540): Hanging bolt position
□ 22-7/16 (570): Indoor unit
□ 22-13/16 to 26 (580 to 660) : Ceiling openings
• Cassette grille mounting state
Top view
5-14/16 to 7-7/8 (150 to 200)
Min. 17-11/16 (450)
Min. 17-11/16 (450)
Maintenance space
Side view
8-7/16 (215)
4-13/16 (123)
2-5/16 (58)
4-1/2 (114)
5-3/4 (146)
4-1/4 (108)
4 (102)
9-5/8 (245)
1-3/16 (30)
1-9/16 (40)
3-7/8 (99)
Drain port
Control box
Ceiling
Drain port
Be sure to leave
maintenance space
for future service
at the designated
position.
Bottom view
1-3/16 (30) 1-15/16 (49)
Side view
- (04 - 16) -
INDOOR UNITS INDOOR UNITS