Heat Controller REG-123A, REG-71A service manual Disassembly

Disassembly

Disassembly

— Before the following disassembly, CONTROL BOX set to OFF and disconnect the power cord.

MechanicalParts

1. Front Grille

1.Open the lnlet grille upward .

2.Remove the screw that fastens the front grille.

3.Pull the front grille from the right side.

4.Remove the front grille.

5.Re-install the component by referring to the removal procedure, above.(See Figure 14)

2.Cabinet

1.After disassembling the FRONT GRILLE, remove the 2 screws that fasten the cabinet at both sides.

2.Remove the 2 screws that fasten the cabinet at back.

3.Pull the base pan forward. (See Figure 15)

4.Remove the cabinet.

5.Re-install the component by referring to the removal procedure, above.

3.Control Box

1.Remove the front grille. (Refer to section 1)

2.Remove the cabinet. (Refer to section 2)

3.Remove the 2 screws that fasten the control box cover.

4.Remove two housings that connect compressor wire and motor wire in the control box.

5.Discharge the capacitor by placing a 20,000 ohm resistor across the capacitor terminals.

6.Remove the 2 screws that fasten the control box.

7.Pull the control box forward completely.

8.Re-install the components by referring to the removal procedure, above. (See Figure 16)

(Refer to the circuit diagram found on page 23 in this manual and on the control box.)

Figure 14

TIMER	ENERGY	MODE
	SAVER

Figure 15

On/Off	On/Off
		Fan
			Cool
TIMER
	ENERGY		Heat
	SAVER	MODE

Figure 16

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