Hitachi SET FREE-Serie Bedienungsanleitung Seite 44

PIPING WORK AND REFRIGERANT CHARGE
Details of stop valves
Gas valve
Hexagonal wrench
To open or close
spindle valve
Cap
Spindle valve
Counterclockwise...Open
Clockwise...............Close
FSXNSE - FSXNPE
outdoor Unit (Base
Unit)
High/low
gas valve
RAS-(8-12)FSXNSE
RAS-(5-12)FSXNPE
RAS-(14-18)FSXNSE
18.0 - 22.0
RAS-14FSXNPE
RAS-(20-24)FSXNSE
RAS-(16-18)FSXNPE
34 PMML0479 rev.2 - 02/2018
Check joint for service port
Refrigerant
pressure
tightening torque (n-m)
spindle (Valve) flare nut
liquid
Gas Valve liquid
Valve
18.0 - 22.0 33.0 - 42.0
7.0 - 9.0
50.0 - 62.0
25.0 - 31.0
9.0 - 11.0 68.0 - 84.0
Liquid valve
Check joint for service port
Only the charging hose can be
connected.
Cap
O-ring
Hexagonal wrench
To open or close
spindle valve
Spindle valve
Counterclockwise...Open
Clockwise...............Close
Refrigerant piping
Cap
liquid
Gas Valve Gas Valve
Valve
33.0 - 42.0
49.0 - 58.0 9.0 - 14.0
50.0 - 62.0
Refrigerant
pressure
Flare nut
Hexagonal
wrench size
Check Joint
(mm)
liquid Gas liquid
Valve Valve Valve
14.0 - 18.0 10
4
5