Control Parts; Power Cord Assembly; Sensor Assembly; Pwb(Pcb) Assembly, Main - Heat Controller Comfort-Aire BHD-252 Service Manual

3.2 CONTROL PARTS

3.2.1 POWER CORD ASSEMBLY

1. After opening the control box, remove the screw
that holds the ground wire. (See Figure 14)
2. Disconnect the remaining leads of the power cord
from the PWB(PCB) ASSEMBLY, MAIN, then
remove it from the control box.

3.2.2 SENSOR ASSEMBLY

1. Disconnect the sensor assembly from the

PWB(PCB) ASSEMBLY, MAIN.

2. Remove the screw which fastens the humidity
sensor. (See Figure 15)
3. Remove the thermistor from the holder.
(See Figure 15)
4. Disconnect the switch wires from the micro switch
assembly. (See Figure 15)
3.2.3 PWB(PCB) ASSEMBLY, MAIN
1. Disconnect all leads of the motor and the compressor
from PWB(PCB) ASSEMBLY, MAIN.
2. Remove the screw which fastens the PWB(PCB)
ASSEMBLY, MAIN and pull it out after unhooking
from 2 rectangular holes of the control box (lower).
(See Figure 16)

3.2.4 CAPACITOR

1. Remove the screw that fastens the capacitor.
(See Figure 16)
2. Disconnect all leads from the capacitor and then
remove it from control box.

3.2.5 MICRO SWITCH ASSEMBLY

1. Turn the nut counterclockwise and pull out the
micro switch from the drain pan. (See Figure 17)
—11—
Figure 14
Figure 15
Figure 16
Figure 17