Mitsubishi Heavy Industries FDTC50ZHXV Technical Manual page 226

＜Precautions for wiring＞
○ Connect wires correctly as shown by the electric wiring diagram. Be sure to tighten set screws firmly to prevent
them generating heat or causing other troubles after becoming loose.
○ Number of wires connected to the terminal block must be 2 wires or less. Never connect 3 or more wires in any event.
4) Installation procedure
a） Remove the lid from the control box.
b） Remove the wiring （fuse∼CNF2,3） and wiring（TB X Y ∼CNB）.
CAUTION
c） Install the fan controller.
d） Referring to "3) Electric circuit diagram",connect wires as illustrated and fix with bands a .
e） Reinstall the removed lid on the control box.
Old
Remove
CNA CND CNK2 CNK1 CNB CNW2
1 2 3
X Y
1 2 3 X Y
Fan controller mounting hole
（2-φ2.5）
Confirm that electricity has been dischaged before touching
the capacitor terminals.There is risk of electric shocks.
CFI１
５２FL
５２FH
CFI2
F1 (6.3A)
CnF3
CnF2
6P,White
6P,White
F2 (6.3A)
A B
New
Remove
Wiring B
CNA
1 2
1 2
217(1)
- -
CFI１
CND CNK2 CNK1 CNB CNW2
CFI2
CNF
F1 (6.3A)
F2 (6.3A)
3
X Y A B
3
X Y
Fan controller,M3 tapping screw（2 pcs.）
Wiring A
５２FL
５２FH
CnF3
CnF2
6P,White
6P,White