Johnson Controls Hitachi MW-NP902A3 User Manual

6
Allow adequate space for elbow, angled, and irregular piping arrangements to compensate for expansion
and contraction brought on by temperature change.
4. Installation Work
4.1 Piping Connection Size
7KHHQGVRIWKHPXOWLNLWVDUH¿QLVKHGDVVKRZQLQWKHIROORZLQJ¿JXUHV&XWWKHHQGRIWKHSLSHWRFRUUHVSRQGWR
the pipe size.
Unit: inch, ID: Inner Diameter, OD: Outer Diameter
Model
Branch Pipe for
Gas Line
Branch Pipe for
Liquid Line
Reducer for
Gas Line
Reducer for
Liquid Line
MW-NP282A3
ID 3/4
ID 1/2
ID 3/4
ID 7/8
ID 7/8
ID 5/8
ID 1/2
ID 5/8
ID 5/8
ID 3/4
(To Outdoor Unit)
(To Indoor Unit)
(To Main Piping)
(To Outdoor Unit)
(To Indoor Unit)
(To Main Piping)
ID 1/4
ID 3/8
ID 1/4
ID 3/8
ID 3/8
ID 3/8
OD 1/4
MW-NP452A3
ID 1/2
ID 5/8
ID 1-1/8
ID 1-1/8
ID 1
ID 3/4
ID 7/8
ID 7/8
(To Outdoor Unit)
(To Indoor Unit)
(To Main Piping)
ID 1/2
ID 1/4
ID 3/8
ID 3/8
ID 1/2
ID 1/2
(To Outdoor Unit)
(To Indoor Unit)
(To Main Piping)
OD 1-1/8
ID 1
ID 5/8
ID 7/8
ID 3/4
ID 1/2
ID 3/8
OD 1/4
ID 5/8
OD 1/2
MW-NP692A3
ID 1/2
ID 5/8
ID 1-1/8
ID 1-1/8
ID 1
ID 3/4
ID 7/8
ID 7/8
(To Outdoor Unit)
(To Indoor Unit)
(To Main Piping)
ID 3/8
ID 3/4
ID 5/8
ID 1/2
ID 3/8
ID 1/2
ID 5/8
ID 5/8
ID 7/8
ID 1/4
(To Outdoor Unit)
(To Indoor Unit)
(To Main Piping)
OD 1-1/8
ID 1
ID 5/8
ID 7/8
ID 3/4
ID 1/2
ID 3/8
OD 1/4
ID 1-1/8
OD 7/8
ID 1-3/8
OD 1-1/8
MW-NP902A3
ID 1-1/2
ID 1-1/8
ID 1-1/4
ID 1-1/2
ID 1-3/8ID 1-1/4
(To Outdoor Unit)
(To Indoor Unit)
(To Main Piping)
ID 7/8
ID 7/8
ID 5/8
ID 1/2
ID 3/8
ID 3/4
ID 5/8
ID 3/4
ID 5/8
ID 1/2
ID 3/8
ID 1/4
(To Outdoor Unit)
(To Indoor Unit)
(To Main Piping)
ID 7/8
ID 1
ID 1-1/8
OD 1-1/4
ID 3/8
OD 1/4
OD 1-1/8
ID 1
ID 5/8
ID 7/8
ID 3/4
ID 1/2
ID 3/4
OD 5/8
ID 1-5/8OD 1-1/8
ID 1-3/8
ID1-1/8
OD 1-1/4
ID 1-3/8
OD 1-1/4
ID 1-5/8
OD 1-1/2
(Qty. 2)
(Qty. 2)
(Qty. 2)
(Qty. 2)

Johnson Controls Hitachi MW-NP902A3 Specifications

General

Brand	Johnson Controls
Model	Hitachi MW-NP902A3
Category	Air Conditioner
Language	English