Hitachi RCI-1,0FSR Manuel D'installation Et De Fonctionnement page 41

REFRIGERANT PIPING
4 REFRIGERANT PIPING
4.1 PIPING CONNECTION
4.1.1 Piping Position
95
(Gas pipe)
160 (Liquid pipe)
Gas pipe connection
mm)
5 DRAIN PIPING
5.1 GENERAL INFORMATION
INCORRECT
Incorrect: Upward Slope
Liquid pipe connection
ø30
Incorrect: Rising Part
7 PMML0547 rev.0 - 11/2020
4.1.2 Size of piping connection

Piping size
(mm)
RCI-(1.0-2.0)
RCI-(2.5-6.0)

Thickness of Copper Pipes
Ø (in)
1/4
3/8
1/2
5/8
Flare Pipe Dimensions

Flare Nut Dimensions
CORRECT
Drain piping of unit side
Liquid piping
Ø 6.35 (1/4) Ø 12.70 (1/2)
Ø 9.52 (3/8) Ø 15.88 (5/8)
Ø (mm) Thickness (mm)
6.35 ø30
9.53
12.70
15.88
Ø (in) Ø (mm)
1/4 6.35
3/8 9.52
1/2 12.70
5/8 15.88
Nominal
Nominal
diameter
diameter (in)
(mm)
1/4 6.35
3/8 9.53
1/2 12.70
5/8 15.88
Min. 100mm
(higher as possible)
1/25 to 1/100
Down-Slope Vinyl chloride pipe (VP25)
This drain piping shall
be separating from
Common drain piping (Min.VP30)
(Down slope from rising part)
mm (in)
Gas piping
0.80
0.80
0.80
1.00
A +0/-0.4
(mm)
9.1
13.2
16.6
19.7
B (mm)
17
22
26
29
others pipes