3. Servicing
Electrical components
SMGB0082 rev.1 - 07/2015
107
3
3.6.7
Overcurrent relay (ORC)
To remove the overcurrent relay (ORC), open the E-box, and follow the next steps.
1
Remove all the wirings.
2
Remove the 2 screws that fix the ORC to the plate.
95 NC
96 NC
T1
T3
T2
Ru(Brown)
Tw (Grey)
Sv (Black)
3.6.8
Contactors (CMC, CMCD, CMCS)
C A U T I O N
In RCME-WH units, contactors are used for the delta start automation. Take note where each cable is connected in order
to avoid any mistake when reassembling. An incorrect connection may result in a compressor damage.
To proceed to the removal of contactors, follow the steps described below.
1
Remove all the wiring with a Phillips screwdriver.
2
Remove the screws that fixes the contactors to the plate.
3
When reassembling, proceed in reverse order than
removing.
Screws
Use a Phillips screwdriver to remove the screws. 2 screws at the top and
1 screw at the bottom.