Hitachi RAS-(3-6)HVRNM2E Service Manual page 83

3 Piping work and
refrigerant charge
7 Operation of stop valve should be performed according to the figure below.
Closed before shipment
B 1
2
A
10
9
8
D
7
6
5
1 Cap
2 Allen wrench
3 Refrigerant Piping
4 Cap
5 Refrigerant Pressure
6 Seat Surface
7 Check Joint
8 Cap
9 O-Ring
10 Spindle valve
Valve type / Model
Liquid valve 2-6HP
Gas valve 2-6HP
Liquid valve 8/10HP
Gas valve 8/10HP
• Outdoor unit stop valve
1. Stop valve.
2. Flare nut.
A. Do not apply two spanners at this position. If applied, leak-
age will occur.
73
SMGB0064 rev.0 - 08/2011
3
C 4
Tighten torque (Nm)
A
7-9
9-11
8
13
Gas valve (RAS-(8/10)HRNSE) only
1
B
2
A
10
D
8
7
—
Hex 5 mm / 4 mm / 10 mm
Field supplied
—
To outdoor unit
Fully closed position
Only the charging those can be connected
—
Rubber
Open – Counterclockwise
Close – Clockwise
B C
34-42 34-42
34-42 68-82
40 40
45 100
A
4
9
6
4
C
3
D
14-18
14-18
16
9
1
2
3