ODU Disassembly for Quantum Fresh High-Wall SystemsUpdated 2 days ago

Introduction

This article provides steps for disassembling the outdoor unit of Quantum Fresh High-Wall (WYT-FA) systems. 

Steps

Before Disassembly

1. Remove the Handle and Top Cover 

A. Remove the screw that secures the handle to the right panel, and then remove the handle (see image 1A).

Image 1A

B. Remove the screws from the top cover, front panel, left panel, and right panel (see image 1B).

C. Remove the top cover (see image 1B).

Image 1B

2. Remove the Front Grille and Front Panel

A. Remove the screws that secure the front grille to the front panel (see image 2A).

B. Turn the front grille counterclockwise to remove it from the unit (see image 2A).

Image 2A

C. Remove the screws that secure the middle plate to the base plate (see image 2B).

D. Remove the front panel from the unit (see image 2B). 

Image 2B

3. Remove the Right and Left Plate

A. Remove the screws that secure the right plate to the electric box assembly, valve plate, and base plate (see image 3A).

B. Remove the right plate (see image 3A). 

Image 3A

C. Remove the screws that secure the left plate to the base plate and condenser plate (see image 3B).

D. Remove the left plate (see image 3B).

Image 3B

4. Remove the Fan Blade 

A. Remove the fan blade nut, and then remove the fan blade from the fan motor. 

5. Remove the Electric Control Box

A. Disconnect the fan motor and temperature sensor wires from the PCB.

B. Disconnect the compressor wires from the connector.

C. Remove the screw that secures the electric control box to the partition plate.

D. Remove the electric control box from the unit. 

6. Remove the Noise Cotton

7. Remove the Partition Plate

A. Remove the screw that secures the partition plate to the unit, and then remove the partition plate.

8. Remove the Gas and Liquid Valves

A. Remove the screws that secure the valve support plate to the unit.

B. Unbraze the pipe connections, and then remove the gas and liquid valves from the unit.

Notes: 

• Recover all refrigerant from the unit before brazing or unbrazing.
• Use wet cloths to protect the gas and liquid valves from heat damage. 

9. Remove the 4-Way Valve Assembly

A. Unbraze the 4-way valve from the compressor suction and discharge ports, and then remove the valve from the system.

Note: Ensure that there is no damage to the compressor, nameplate, etc. 

10. Remove the Compressor

A. Remove the nuts that secure the compressor to the base plate, and then remove the compressor from the unit.

11. Remove the Fan Motor and Fan Support

A. Remove the screws that secure the fan support to the base plate, and then remove the fan support from the unit.

B. Loosen the metal cable clamps on the back of the fan support. 

C. Remove the screws that secure the fan motor to the fan support, and then remove the fan motor.

12. Remove the Chassis Electric Heating Belt

A. Remove the screws that secure the heater retaining clip to the chassis heating element, and then remove the chassis heating element.