Design and Technical Manual

4. INDOOR UNITS
Unit : in. (mm)
MODELS : ASU18RLF, ASU24RLF

ASU18RLF ASU24RLF

Refrigerant pipe are
connection
Liquid ø 1/4 in. (ø 6.35 mm) ø 1/4 in. (ø 6.35 mm)

Gas ø 1/2 in. (ø 12.70 mm) ø 5/8 in. (ø 15.88 mm)

Drain hose connection Drain hose
I.D. 1/2 in. (12 mm) , O.D. 5/8 in. (16 mm)
Drain hose : L=26-3/8 in. (670mm)
39-5/16 (998)
17-5/16 (439)
17-1/4 (438)
15-5/8 (397)
12-5/8 (320): Unit size
10-9/16 (269)
13/16 (20)
1-7/16 (37)
1 x 7/16 (26 x 11) hole
3/16 x 11/16 (5 x 18): 14holes
13/16 x 3/16 (21 x 5): 14holes
3/16 x 1-15/16 (5 x 50): 3holes
1/2 x 3/16 (13 x 5): 4holes
ø3-1/8 (80) hole
ø3/16 (5): 65holes
39-3/8 (1000): Unit size
Piping inlet
for tapping screw
11/16 x 7/16 (18 x 11) hole
11/16 x 7/16 (18 x 11) hole
4-13/16 (122)
6-3/4 (172)
2-15/16 (75)
15-1/4 (387)
6-11/16 (170)
5/8 (16)
15-3/4 (400)
Unit center
4-15/16 (126)
5-1/4 (133)
5-1/8 (130)
4-7/16 (113)
2-15/16 (75)
9-9/16 (243)
9
(228)
12-5/8 (320)
20-1/2 (520)
20-1/2 (520)
23-1/4 (590)
28-3/8 (721)
ø3-1/8 (80) hole
Piping inlet
1-3/16 (30)
1-3/16 (30)
5-7/8 (149)
7-3/4 (197)
10-11/16 (272)
1-3/4 (44)
1/2
(12)
1/2 (13)
1 x 7/16 (26 x 11) hole
1 (25)
ø1-1/4 (32)
ø5/8 (16)
ø1/2 (12)
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INDOOR UNITS INDOOR UNITS