Refrigerant Piping - Hitachi RPI-6.0FSN4E Installation And Operation Manual

4 Refrigerant piping connection
4 REFRIGERANT PIPING CONNECTION
Position of piping connection is the following:
Gas
Pipe
Liquid Pipe
4.1.1 Size of piping connection

Piping size
Model RPI 2.0
Gas Piping Ø 15.88 (5/8")
Liquid Piping Ø 6.35 (1/4")

Thickness of Copper Pipes
Nominal Diameters Outer Diameters
1/4
3/8
1/2
5/8
Drain Pipe
mm (in)
2.5/3.0 4.0/5.0/6.0
Ø 15.88 (5/8") Ø 15.88 (5/8")
Ø 9.53 (3/8") Ø 9.53 (3/8")
Thickness
6.35 0.80
9.53 0.80
12.70 0.80
15.88 1.00
7 PMML0255A rev.3 - 09/2014

Flare Pipe Dimensions

Flare Nut Dimensions
(mm)
Nominal Outer
Diameters Diameters
1/4 6.35
3/8 9.53
1/2 12.70
5/8 15.88
Nominal Outer
Diameters Diameters
1/4 6.35
3/8 9.53
1/2 12.70
5/8 15.88
(mm)
A
+0/-0.4
9.1
13.2
16.6
19.7
(mm)
B
17
22
26
29