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PIPING WORK AND REFRIGERANT CHARGE
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
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
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
Liquid
Gas Valve
Valve
33.0 - 42.0
49.0 - 58.0
50.0 - 62.0
Refrigerant
pressure
Flare nut
Hexagonal
wrench size
Check Joint
Liquid
Gas
Gas Valve
Valve
Valve
9.0 - 14.0
14.0 - 18.0
10
(mm)
Liquid
Valve
4
5
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