Removing Coil For Reversing Valve - Hitachi Utopia RPI-2.5HRG Service Manual

SERVICING

2.1.7 Removing Coil for Reversing Valve

Do not touch the electrical parts when LED201 (Red) on the ISPM is lit to prevent from an
electrical shock.
(1) Remove the service cover according to the item 2.1.1 "Removing Service Cover".
(2) G RAS-3HVRG and 4HVRG
(a) Remove three (3) screws fixing the power plate and turn the one toward the front side.
NOTE:
Check to ensure that LED201 (Red) is OFF when turning the power plate.
(b) Disconnect the PCN6 on the PCB1 of the electrical box.
(c) Remove the coil for the reversing valve after removing the fixing screw (1 piece).
G RAS-5HVRG
(a) Remove three (3) screws fixing the power plate and turn the one toward the front side.
NOTE:
Check to ensure that LED201 (Red) is OFF when turning the power plate.
(b) Disconnect the PCN6 connector on the PCB1 of the electrical box.
(c) Remove the coil for the reversing valve after
removing the fixing screw (1 piece).
GRAS-3HVRG and 4HVRG
Reversing Valve
Remove
Screws
Fixing Screw for
Reversing Valve Coil
Reactor
Power Plate
Noise Filter
In Case of 3HP and 4HP
2-6
TURN OFF all power source switches.
Upper Cover
PCN6
Electrical Box
Reversing Valve Coil
Compressor
ISPM
LED201
(Red)
Magnetic
Contactor
Capacitor
Fuse
Tool Phillips Screwdriver
GRAS-5HVRG
Reversing Valve
Electrical Box
Upper Cover
Remove
Screws
Fuse
Noise Filter
Power Plate
In Case of 5HP
P-Attaching
Plate
PCN6
Fixing Screw for
Reversing Valve Coil
Reversing Valve Coil
Compressor
ISPM
LED201 (Red)
Act Module
Capacitor
Magnetic Contactor
Reactor