'14 • KX-SM-200
–
115
–
Fig.1 Part Arrangement View
2.5 Heat source unit inverter PCB replacement procedure
Exchange the inverter PCB according to the following procedure.
1. Check parts numbers. (For each indication part, refer to Fig.1 Parts arrangement View.)
(
Be sure to measure voltage (DC)
and
check that the voltage is discharged sufficiently.
(Refer to Fig.2 ))
3. Disconnect the connectors from the PCB.
5. Match the setting switches (JSW10,11) with the former PCB.
6. Connect the connectors, wiring, and snubber capacitor. (Confirm the
connectors are not half inserted.
)
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 exchange the PCB according to this procedure.
If the PCB is incorrectly exchanged, it will cause an electric shock or fire.
●
Be sure to check that the power source for the outdoor unit is turned OFF before exchanging the substrate.
The PCB exchange under current-carrying will cause an electric shock or fire.
●
After finishing the PCB exchange, check that wiring is correctly connected with the PCB before power distribution.
If the PCB is incorrectly exchanged, it will cause an electric shock or fire.
CAUTION
●
Band the wiring so as not to tense because it will cause an electric shock.
WARNING
CAUTION
PCB012D018B
CNR CNI2
CNI3
JSW10,11
4. Exchange the PCB.
2. Exchange the PCB
after elapsing 3 minutes from power OFF.
CNA
Summary of Contents for FDC1000KXZWE1
Page 171: ... 14 KX SM 200 169 ...
Page 172: ... 14 KX SM 200 170 ...
Page 173: ... 14 KX SM 200 171 ...
Page 174: ... 14 KX SM 200 172 ...
