Indoor Unit Transmisson Pcb Removal; Indoor Unit Transmisson Pcb Install - Fujitsu Airstage VR-II Series Service Manual

6.DISASSEMBLY/ASSEMBLYPROCESS
6.1 Indoor Unit
CAUTION
Before servicing the unit, turn the power supply switch OFF,
When you approach PWB, be sure to equip with the electrostatic removal band.
(PWB maybe broken by static electricity.)

1. Indoor unit Transmisson PCB removal

: Touchable area

2. Indoor unit Transmisson PCB install

SET1-1 SET1-2 SET1-3 SET1-4 SET2-1
OFF OFF OFF OFF OFF
ON OFF OFF OFF OFF
OFF ON OFF OFF OFF
ON ON OFF OFF OFF
OFF OFF ON OFF OFF
ON OFF ON OFF OFF
OFF ON ON OFF OFF
ON ON ON OFF OFF
OFF OFF OFF ON OFF
ON OFF OFF ON OFF
OFF ON OFF ON OFF
ON ON OFF ON OFF
OFF OFF ON ON OFF
ON OFF ON ON OFF
OFF ON ON ON OFF
ON ON ON ON OFF
1.Before installing transmission PCB on to the Main PCB, confirm the
connector of transmisson wire was connected on the Transmission PCB.
2. Hold the PCB's both end of touchable area and adjust the position
of transmission PCB based on the position of spacers on the Main
PCB. ( Do not attach the transmission PCB wrong position.)
*When the connection of transmission PCB and the Main PCB was
wrong, the both of PCB might be broken after power supply on.
3. After adjusting the position of PCB, attach the PCB to the Main PCB.
Correct position
Spacer
Indoor unit capacity
2.2kW
When you need to replace the transmission PCB to new one, set the DIP-SW
2.8kW
setting as same as the previous PCB's setting.
3.6kW
4.0kW
4.5kW
5.6kW
7.1kW
8.0kW
9.0kW
11.2kW
12.5kW
14.0kW
18.0kW
22.4kW
25.0kW
28.0kW
1. Disconnect the connector of transmisson wire form the Terminal -
board side.
2. Hold the PCB's both end of touchable area mentioned on the left
figure.
3. Pull up the PCB one side and another side step by step.
(Do not deform the pins on the controller PCB)
06-01
Incorrect position