
Section 4 Component Teardown
4-15
User Interface Removal
The user interface is secured with 4 retainers that slide
into keyhole slots cut into the face of the control box.
To remove the user interface:
1. Disconnect power supply from unit.
2. Remove the front panel assembly.
3. Remove cabinet wrapper/sleeve then remove control
box cover.
4. Lift user interface straight up until retainers can be
pulled out of keyhole slots in control box.
(See Figure 4-34)
5. Disconnect the user interface at control board.
6. Remove the control board by extracting the 4 screws
from the back of the user interface. Separate the
front and back sections and remove control board.
Control Box Removal
The control box is secured to the unit frame with 4
screws, two at the top of the control box, two along
the left edge and one beneath the control box. Screws
securing some of the components within the control box
can only be accessed with the 4 screws removed and the
control box pulled away from the unit.
To remove the control box from its installation:
1. Disconnect power supply from unit.
2. Remove the front panel assembly.
3. Remove cabinet wrapper/sleeve, then remove control
box cover.
4. Remove the screw at the top and the three screws
along the left side securing the control box assembly
to the unit frame. (See Figure 4-35)
Power Cord Removal
5. Pull the control box assembly off unit and carefully
rotate the assembly until the power cord screws are
accessible.
6. disconnect the black and white wire leads from the
control board.
7. Extract the two screws securing the power cord to
the control box.
8. Extract the screw securing the power cord ground
wire to control box. Remove power cord from unit.
(See Figure 4-36)
Figure 4-34.
Keyhole
Slots
Retainers
Screws
Screws
Figure 4-36.
Figure 4-35.
Screws
Capacitor
Mounting Screw
Ground
Screw
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