Fan Controllert Kit (U-Fcra); Precautions For Wiring - Mitsubishi Electric FDT125VNVF Technical Manual

3.3 FAN CONTROLLER KIT (U-FCRA)
This manual instructs the way of installing the optional fan controller for high static
pressure ducts. Install the controller in accordance with the following procedure.
WARNING
（1）Consult your dealer for the installation of the controller.
（2）Only qualified electrician must install the controller.
（3）Remove the control box before the installation.
Before installing the product,take it out from the package and place it on the floor.
（4）Be sure to turn off the power supply during installation.
Unless the above precautions are observed,it could cause electrical shocks or fire.
1.Applicable models and corresponding fan controller kit
Standard type FDU200VF,250VF
U-FCRA
Fan controller kit
（PJZ006A102A）
2.Component parts list
Fan controller
5
4
6
3
2 7
1 8 a （L=92）：5 pieces
1 piece
Wiring A
F1
F2
52FL,4 52FL,6
52FH,4 52FH,6
52FL,3 52FL,5
52FH,3 52FH,5
CNF
<FC>
Wiring B
TB2,X
（AK4）
TB2,Y
（A4）
3.Electric circuit diagram
（Change the sections indicated with bald lines.）
TB1
Old
Red
1 L
White
2 N
White
Standard type
F
（6.3A） （6.3A）
Multi type
2
52FL
FM
TB1
New
Red
1 L
White
2 N
White
Standard type
F
（6.3A） （6.3A）
Multi type
2
52FL
FM
Band Tapping Screw
（M3：2 pcs.）
2 pieces
FL
FH
CNF3
F（3.15A）
<FMI-2>
FH2
2
CFI2
2
FL
FH
CNF2
F（3.15A）
<FMI-1>
FH1
1
CFI1
1
CNB
（R9）
Printed circuit board
Red
F
1
Red
Pink Pink Pink Pink
52FH 52FL 52FH
Red Black Red Black
CNF2 CNF3
White White
Red Black Red Black
CNF5
White
Red Black
CNF5 CNF3
CNF2
L H White H White
L
Yellow Yellow Yellow Yellow
M M
CF 1
I
1 FM 2
I 1～ I 1～
Orange Orange Orange Orange
White
White
CNF2 CNF5
White
White
White
CNF3
White
White
White
White
Printed circuit board
Red
F
1
Red
Pink Pink Pink Pink
52FH 52FL 52FH
Red Black Red Black
CNF2 CNF3
White
White
Red Black Red Black
CNF5
White
Red Black
CNF2
CNF5 CNF3
White White
H H
L L
Yellow Yellow Yellow Yellow
M CF 1 M
I
1 FM 2
I 1～ I 1～
Orange Orange Orange Orange
White
White
CNF5
CNF2
White
White
White
White
CNF3
F（3.15A）
White
White
F（3.15A）
White
White
White Black
Red Black
F C
Blue Black
CNF
White
＜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 more wires in any event.
4. Installation procedure
（1） Remove the lid from the control box.
（2） Remove the wiring （fuse～CNF2,3） and wiring（TB X Y ～CNB）.
CAUTION
（3） Install the fan controller.
（4） Referring to "3.Electric circuit diagram",connect wires as illustrated and fix
with bands a .
（5） Reinstall the removed lid on the control box.
Old
Remove
Fan controller
mounting hole
（2-φ2.5）
CNB
White
1 3
White Black
X Y
TB2
X Y
New
White Black
Remote controller
Thc
t°
White
Yellow
CF 2
I
Orange
CNB
White
1 3
Wiring B
White Black
X Y TB2
X Y
White Black
Remote controller
Thc
t°
White
Yellow
CF 2
I
Orange
Regarding the Characteristics fan please see to page 133
494
- -
PJD012D049
Confirm that electricity has been dischaged before touching
the capacitor terminals.There is risk of electric shocks.
CFI１
CNA CND CNK2 CNK1 CNB CNW2
CFI2
F1 (6.3A)
F2 (6.3A)
1 2 3
X Y A B
1 2 3 X Y
CFI１
CNA CND CNK2 CNK1 CNB CNW2
CFI2
CNF
F1 (6.3A)
F2 (6.3A)
1 2 3
X Y A B
1 2 3 X Y
Fan controller,M3 tapping screw（2 pcs.）
'12 • PAC-T-174
a
Remove
５２FL
５２FH
CnF3
CnF2
6P,White
6P,White
Wiring A
５２FL
５２FH
CnF3
CnF2
6P,White
6P,White