
Section 4 Component Teardown
4-45
Figure 4-117.
Bulkhead
Evaporator Thermistor Removal
To remove the evaporator thermistor:
1. Disconnect power supply from unit.
2. Remove the front panel and cabinet wrapper/sleeve.
Remove the control panel from its installation
position but do not disconnect from wire harness.
3. Disconnect thermistor from control board.
4. Remove or cut any retaining straps. Remove
thermistor from retaining bracket. The retaining
bracket is pushed onto the evaporator tubing,
remove by pulling bracket out of evaporator.
(See Figure 4-115)
Control System Bulkhead Removal
The control system bulkhead provides a mounting
area for the electronic control and electrical system
components. Three screws secure the bulkhead to the
unit frame. Two of the screws will be removed as the
cabinet wrapper/sleeve and user interface are removed.
To remove the control system bulkhead:
1. Disconnect power supply from unit.
2. Remove the front panel and cabinet wrapper/sleeve.
Remove control panel from its installation position.
3. Discharge capacitor. To discharge the high voltage
capacitor, wait for 60 seconds and then short-circuit
the connection of the high-voltage capacitor (that
is the connecting lead of the high-voltage rectifier)
against the chassis with an insulated screwdriver.
4. Disconnect all electrical leads from control board,
capacitor, power cord and anion generator. Remove
ground wires from bulkhead.
5. Pull wire harness through hole in bulkhead.
6. Extract screw from lower left side of unit frame. Pull
bulkhead from the unit. (See Figure 4-116)
Styrofoam Blower Compartment Removal
The styrofoam blower compartment consists of three
parts, with the top two pieces removable to access the
blower wheel. The top two pieces are taped together
and may be removed as an assembly.
To remove the styrofoam blower compartment:
1. Remove the front panel and cabinet wrapper/sleeve.
2. Cut the tape holding the top two styrofoam pieces to
the bottom section of styrofoam.
3. Lift the top two sections out as an assembly and
remove from the unit. (See Figure 4-117)
5th Pipe
4th Pipe
160cm
Clip On 4th Pipe
Top Section
Center
Section
Bottom
Section
Figure 4-115.
Figure 4-116.
Screw
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