Engineering Manual

A-45
Unit: inch
MSZ-HM09NA MSZ-HM12NA MSZ-HM15NA
MSZ-HM18NA MSZ-HM24NA
Piping
Insulation
MSY-HM24NA
Ø2 O.D
Liquid line Ø5/16 15-3/8 (Flared connection Ø3/8)
Gas line Ø15/32 13-3/8 (Flared connection Ø5/8)
Drain hose
Insulation Ø1-1/8 Connected part Ø5/8 O.D
Piping
Insulation
MSY-HM18NA
Ø2 O.D
Liquid line Ø5/16 15-3/8 (Flared connection Ø1/4)
Gas line Ø15/32 13-3/8 (Flared connection Ø1/2)
Drain hose
Insulation Ø1-1/8 Connected part Ø5/8 O.D
11/16
5-1/2
2-1/4
2-1/4
2-1/2
9-13/16
3/16
35-13/16
36-5/16
1/4
27-15/16
6-5/16
2-1/16
12
2-9/16
2-13/16
2-1/2
2-9/16
3-11/16
2-1/16
9-7/16
10-5/16
1/8
8-7/8 8-7/8 3-11/16
8-3/4
10-3/8
2-5/16
15-7/8
8-11/16
3-11/16
7/8
1×7/16 Oblong hole
7/16×13/16
Oblong hole
Installation plate
Indoor unit
Wall hole Ø3
Air in
Installation plate
8-1/16
15-3/16
1-5/8
8-11/16
3
1-11/16
2-9/16
2-9/16
4-1/2
5-3/4
1/4
Air out
Piping
Drain hose
3-15/16
11/16
5-1/2
2-1/4
Piping
Insulation ø1 - 3/8 O.D
Liquid line ø1/4 19 - 11/16 (Flared connection ø1/4)
Gas line ø3/8 16 - 15/16
(Flared connection: ø3/8 (HM09/12NA), ø1/2 (HM15NA))
Drain hose Insulation ø1-1/8 O.D Connected part ø5/8 O.D