Hitachi RAS-3HVRNS - Page 71

A. Insulation material.
B. Field supplied.
7 Operation of stop valve should be performed according to the figure.
N
o.
Description Remarks
1 Cap —
2 Allen wrench Hex 4/5/10 mm
3 Refrigerant Piping Field supplied
4 Cap —
5 Refrigerant Pressure To outdoor unit
6 Seat Surface Fully closed position
7 Check Joint
Only the charging those can be
connected
8 Cap —
9 O-Ring Rubber
10 Spindle valve
Open – Counterclockwise
Close – Clockwise
Tighten torque (Nm)
Valve type / Model A B C D
Liquid valve 3-6HP 7-9 34-42 34-42 14-18
Gas valve 3-6HP 9-11 34-42 68-82 14-18
Liquid valve
8HP 7-9 37 40 16
10-12HP 7-9 37 60 16
Gas valve 8-12HP 9-11 49 53-75 9.8
• Outdoor unit stop valve
A
2
10
9
8
7
6
5
4
3
B
D
C
1
3 Piping work and
refrigerant charge
63
SMGB0060 rev. 1- 12/2010
3