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Disassembly Guide for WYS Series Pioneer Mini Split Indoor Air Handler
Applies to Models with Nomenclature of "WSxxxxMFIxxHLD".
1. Disassembly
1.1
Indoor unit
1.
Front Panel
Procedure
1) Hold the front panel by the tabs on
the both sides and lift it (see Figure 1).
2) Push up the bottom of an air
filter (step 1), and then pull it out
downwards (step 2) (see Figure 2).
Note: This section is for reference only. Actual unit appearance may vary.
Illustration
Front Panel
Tab
Figure 1
Filter
Figure 2
Page 1
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Summary of Contents for Pioneer WYS Series
- Page 1 Disassembly Guide for WYS Series Pioneer Mini Split Indoor Air Handler Applies to Models with Nomenclature of “WSxxxxMFIxxHLD”. 1. Disassembly Indoor unit Front Panel Procedure Illustration 1) Hold the front panel by the tabs on Front Panel the both sides and lift it (see Figure 1).
- Page 2 Procedure Illustration 1) Open the horizontal louver and push the hook towards left to open it (see Figure 3 ). Horizontal Louver Hook Figure 3 2) Bend the horizontal louver lightly by both hands to loosen the hooks, then remove the horizontal louver (see Figure 4).
- Page 3 Procedure Illustration 3) Pry the electrical cover open with a screw driver, and rotate it towards left, then Figure 5). remove it. (see Figure 5 4) Disconnect the connector for display Figure 6) . board. (see Figure 6 Note: This section is for reference only. Actual unit appearance may vary. Page 3...
- Page 4 Procedure Illustration 1) Slide the front panel side to side to Figure 7). release each axis (see Figure 7 2) Open the screw cap and then remove Figure 8). the 3 screws (see Figure 8 Note: This section is for reference only. Actual unit appearance may vary. Page 4...
- Page 5 Procedure Illustration 3) Release the hooks by hand. (see Figure 9) Figure 9 4) Release the 5 hooks in the back (see Figure 10). Hooks Figure 10 5) Pull out the panel frame while pushing the hook through a clearance between the panel frame and the heat Figure 11) exchanger.
- Page 6 Procedure Illustration 1) Release the 5 hooks of the vertical blades, then pull the vertical blades Hooks rightward and remove it (see Figure 12). Figure 12 2) Remove 1 screw of the display board. Figure 13). (see 3) Rotate the display board in the direction shown in the right picture.
- Page 7 Electrical parts (Antistatic gloves must be worn.) Note: Remove the front panel (refer to 1. Front panel) before disassembling electrical parts. Procedure Illustration Ground Screws 1) Cut the ribbon by a shear, then pull out the coil temperature sensor (T2) Figure 14).
- Page 8 Procedure Illustration 4) Remove the fixed devices of the Figure 16). connectors (see Figure 16 5) Disconnect the connectors of fan motor, the step motor and the T2 Figure 17). sensor (see Figure 17 6) Open the left side plate of electronic Figure 18).
- Page 9 Procedure Illustration 7) Open the two clips on the front of the Figure 19) electric box. (see Figure 19 8) Open the upper cover plate of electronic control box (see Figure 20). Figure 20 Note: This section is for reference only. Actual unit appearance may vary. Page 9...
- Page 10 Procedure Illustration 9) Remove 1 screw and open the 2 clips along the direction indicated in right Figure 21). image (see Figure 21 10) Pull out the electrical main board along the direction indicated in right image to remove it (see Figure 22).
- Page 11 Evaporator Note: Remove the front panel and electrical parts (refer to 1. Front panel and 2. Electrical parts) before disassembling evaporator. Procedure Illustration 1) Disassemble the pipe holder located at the rear of the unit (see Figure 23). Pipe Holder Figure 23 Screw 2) Remove the 1 screw on the evaporator...
- Page 12 Procedure Illustration 1) Release the hook on the evaporator (see Figure 25). Figure 25 2) Remove the one screw on the evaporator located at the fixed plate (see Figure 26). Figure 26 Figure 27). 3) Pull out the evaporator (see Figure 27 Note: This section is for reference only.
- Page 13 Fan Motor and Fan Blade Note: Remove the front panel, electrical parts and evaporator (refer to 1. Front panel, 2. Electrical parts, and 3. Evaporator). before disassembling fan motor and fan. Procedure Illustration 1) Remove the two screws and remove the fixing board of the fan motor (see Figure 28).
- Page 14 Procedure Illustration Figure 30). 1) Remove the fixing screw (see 2) Pull out the fan motor and fan assembly from the side. Fixing Screw Figure 30 Note: This section is for reference only. Actual unit appearance may vary. Page 14...
- Page 15 Step motor Note: Remove the front panel and electrical parts (refer to 1. Front panel, 2. Electrical parts) before disassembling step motor. Procedure Illustration 1) Remove the two screws, then remove the Figure 31). step motor (see Stepping Motor Figure 31 Note: This section is for reference only.
- Page 16 Drain Hose Procedure Illustration 1) Rotate the fixed wire clockwise as indicated Figure 32). in the right side image (see Figure 32 2) Pull up the drain hose to remove it (see Figure 33). Figure 33 Note: This section is for reference only. Actual unit appearance may vary. Page 16...