Pioneer QUANTUM INVERTER Series Service & Troubleshooting Manual page 61

Procedure
9) Remove 1 screw and open the 2 clips
along the direction indicated in right
image (see Fig. 21).
10) Pull out the electrical main board
along the direction indicated in right
image to remove it (see Fig. 22).
Note: This section is for reference only. Actual unit appearance may vary.
Illustration
Display Board
Indoor Unit Disassembly

Figure 21
Pipe Temperature Sensor
Room Temperature Sensor
Figure 22
12

Terminal (1L)
Terminal (W)
Terminal (S)