Disassembly Guide for WYS Series Pioneer Mini Split Indoor Air Handler

1) Cut the ribbon by a shear, then pull out the coil temperature sensor (T2) (see Figure 14).

Figure 14: Illustration shows cutting a ribbon, pulling out the T2 sensor, and identifying ground screws.

2) Remove one fixing screw of the electronic control box and two screws used for the ground connection (see Figure 14).

3) An upward force is maintained until the cover of electronic control box is removed (see Figure 15).

Figure 15: Illustration shows applying upward force to remove the electronic control box cover.

4) Remove the fixed devices of the connectors (see Figure 16).

Figure 16: Illustration shows removing fixed devices from connectors.

5) Disconnect the connectors of fan motor, the step motor and the T2 sensor (see Figure 17).

Figure 17: Illustration shows disconnecting connectors for the fan motor, step motor, and T2 sensor.

6) Open the left side plate of electronic control box (see Figure 18).

Figure 18: Illustration shows opening the left side plate of the electronic control box.

7) Open the two clips on the front of the electric box. (see Figure 19)

Figure 19: Illustration shows opening two clips on the front of the electric box.

8) Open the upper cover plate of electronic control box (see Figure 20).

Figure 20: Illustration shows opening the upper cover plate of the electronic control box.

9) Remove 1 screw and open the 2 clips along the direction indicated in right image (see Figure 21).

Figure 21: Illustration shows removing one screw and opening two clips on the electrical main board.

10) Pull out the electrical main board along the direction indicated in right image to remove it (see Figure 22).

Figure 22: Illustration shows pulling out the electrical main board for removal.

1) Disassemble the pipe holder located at the rear of the unit (see Figure 23).

Figure 23: Illustration shows disassembling the pipe holder at the rear of the unit.

2) Remove the 1 screw on the evaporator located at the fixed plate (see Figure 24).

Figure 24: Illustration shows removing one screw on the evaporator at the fixed plate.

1) Release the hook on the evaporator (see Figure 25).

Figure 25: Illustration shows releasing a hook on the evaporator.

2) Remove the one screw on the evaporator located at the fixed plate (see Figure 26).

Figure 26: Illustration shows removing one screw on the evaporator at the fixed plate.

3) Pull out the evaporator (see Figure 27).

Figure 27: Illustration shows pulling out the evaporator.

1) Remove the two screws and remove the fixing board of the fan motor (see Figure 28).

Figure 28: Illustration shows removing two screws and the fixing board of the fan motor.

2) Remove the bearing sleeve (see Figure 29).

Figure 29: Illustration shows removing the bearing sleeve.

1) Remove the fixing screw (see Figure 30).

Figure 30: Illustration shows removing a fixing screw.

2) Pull out the fan motor and fan assembly from the side.

Illustration: No specific figure mentioned for this step, but implies removal after screw is taken out.

1) Remove the two screws, then remove the step motor (see Figure 31).

Figure 31: Illustration shows removing two screws and then the step motor.

1) Rotate the fixed wire clockwise as indicated in the right side image (see Figure 32).

Figure 32: Illustration shows rotating a fixed wire clockwise.

2) Pull up the drain hose to remove it (see Figure 33).

Figure 33: Illustration shows pulling up the drain hose for removal.