Hitachi RPC-5.0FSNE - Piping Connection for Flange

17
PMGB0126A rev.2 - 11/2006
English
REFRIGERANT PIPING &
REFRIGERANT CHARGE
Piping Connection for flange
Confirm that the valve is closed.
Prepare a field-supplied bend pipe for liquid line. Connect it to the liquid valve by flare nut through the square hole of bottom base.
Prepare a field-supplied bend pipe for gas line. Solder it and the factory-supplied pipe flange at the outside of the unit.
Connect the pipe flange to gas valve with the factory-supplied gasket through the square hole of Bottom Base. Do not use the
gasket that had been attached to the unit.
Solder the bend pipes and field piping.
Apply the required tightening torque in to the bolts
Part Tightening Torque (N.m)
Bolt for flange
53 to 75
■
-
-
-
Gas Valve
Remove
Gasket
Flange
Gasket
Pipe Flange
Bolts for flange
Factory-supplied
Pipie Flange
Solder by bottom
side up
Field-supplied
bend pipe