Hitachi P-N23NA2 Installation And Operation Manual

4 REFRIGERANT PIPING
4.1 PIPING CONNECTION
4.1.1 Piping Position
(mm)
84
90
76
95
160
157
140
ø
30
(Liquid pipe)
(Gas pipe)
(Gas pipe)
(Liquid pipe)
(mm)
84
90
76
95
160
157
140
ø
30
Gas pipe connection
Liquid pipe connection
(Gas pipe)
(Liquid pipe)
4.1.2 Size of piping connection

Piping size
mm (in)
Liquid piping Gas piping
RCI-(1.0-2.0) Ø 6.35 (1/4) Ø 12.70 (1/2)
RCI-(2.5-6.0) Ø 9.52 (3/8) Ø 15.88 (5/8)

Thickness of Copper Pipes
Ø (in) Ø (mm) Thickness (mm)
1/4 6.35 0.80
3/8 9.53 0.80
1/2 12.70 0.80
5/8 15.88 1.00
Flare Pipe Dimensions
Ø (in) Ø (mm)
A +0/-0.4
(mm)
1/4 6.35 9.1
3/8 9.52 13.2
1/2 12.70 16.6
5/8 15.88 19.7

Flare Nut Dimensions
Nominal
diameter (in)
Nominal
diameter
(mm)
B (mm)
1/4 6.35 17
3/8 9.53 22
1/2 12.70 26
5/8 15.88 29
5 DRAIN PIPING
5.1 GENERAL INFORMATION
INCORRECT CORRECT
Incorrect: Upward Slope
Incorrect: Rising Part
Common drain piping (Min.VP30)
Vinyl chloride pipe (VP25)
Min. 100mm
(higher as possible)
Drain piping of unit side
(Down slope from rising part)
This drain piping shall
be separating from
others pipes
1/25 to 1/100
Down-Slope
REFRIGERANT PIPING
PMML0547 rev.0 - 11/2020
7
EN

Hitachi P-N23NA2 Specifications

General

Brand	Hitachi
Model	P-N23NA2
Category	Air Conditioner
Language	English