-
95
-
2.4 Outdoor unit control PCB replacement procedure
(Note) If cut the tie, the wiring cables should be bound with new tie again.
¡
Exchange the control PCB according to the following procedure.
1. Replace the control PCB after elapsing 3 minutes from power OFF.
(Be sure to measure voltage (DC) at both capacitor terminals (1. Power supply for PCB 2. Power supply for fan motor)
and check that the voltage is discharged completely. (Refer to Fig.1))
2. Disconnect the connectors from the PCB.
3. Disconnect the blue wiring passing through CT1 on the PCB before replace the coutrol PCB.
4. Set the setting switches (SW1-6) of new PCB same as previous PCB.
5. Tighten up a screw after passing blue wiring through CT1 of the changed.
6. Connect the connectors to the PCB. (Contirm the connectors are not half inserted.)
After elapsing 3 minutes
from power OFF
CNQ3
䠄
2
䠅
CT1
CNN2
CNTH
CNEEV1
CNN9
䠄
only FDC335KXE6
䠅
CNL1
CNFAN_2
CNR1
CNB2
CNEEV2
CNQ1
CNFAN_1
CNN6
CNW
CNM1
CNN1
Parts arrangement view
1
䠖
Reuse the parts used before the PCB exchange.
2
䠖
Please do not carry out wrong insertion.
The PCB will be destroyed if a mistake is made
in putting CNA2 (brown) and CNQ3 (yellow).
CNA2
CNQ3
CNI
CNA2
䠄
2
䠅
CN
䠨
2
䠄
䠍䠅
CNS1
CNS2
CNG1
CNG2
CNX1
CNU1
CNF2
CNF1
CNP1
Precautions for Safety
¡
Since the following precaution is the important contents for safety, be sure to observe them.
WARNING and CAUTION are described as follows:
Indicates an imminently hazardous situation which will result in death or serious injury if
proper safety procedures and instructions are not adhered to.
Indicates a potentially hazardous situation which may result in minor or moderate injury
if proper safety procedures and instructions are not adhered to.
WARNING
¡
Securely replace PCB according to this following instruction.
If PCB is incorrectly replace, it will cause an electric shock or fire.
¡
Be sure to check that the power source for the outdoor unit is turned OFF before replace PCB,
The PCB replacement under current-carrying will cause an electric shock.
¡
After finishing PCB replacement, check that wiring is correctly connected with the PCB before power
distribution, If PCB is incorrectly replace, it will cause an electric shock or fire.
CAUTION
¡
Bundle the wiring so as not to tense because it will cause an electric shock.
WARNING
CAUTION
C
PCB012D017A
Summary of Contents for 112KXE6
Page 105: ... 101 Model FDC335KXE6 A PCB003Z035 shows local wining ...
Page 134: ... 130 PJF012D003 ...
Page 135: ... 131 ...
Page 139: ... 135 PJA012D751 b ...
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Page 206: ... 202 2 model type DIS model type HEAD ...
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