Mitsubishi Electric PLFY-P-VLMD-E Service Manual download pdf (Page 22)

8-2.CONTROL BOX

OPERATING PROCEDURE

1. Remove the service panel and filter with the pro-

cedure explained in section 8-1.

2. Removing the control box cover (Fig.2-1).

• Remove the fixing screws (one) of the control box

cover (A), and remove the cover.

* At this stage, the following servicing is possible.

1 Operation and check of the switches (listed below)

which are on the address board.

•

Rotary switches SW11, 12

Address setting

•

Rotary switch SW14

Branch port setting

• Dip switch SW1 Function change 1

• Dip switch SW2 Capacity setting

• Dip switch SW3 Function change 2

• Dip switch SW4 Model setting

• Dip switch SW5 Option setting

• Dip switch SW6 Model change

• Dip switch SW7 Function change 3

2 Connection check and local connection of lead

wires (listed below) which are connected to the

control box (B).

•

Power supply lead wire (Connected at the factory)

• Drain pump lead wire (Connected at the factory)

• LEV lead wire (Connected at the factory)

• Panel vane motor lead wire (Connected locally)

• Panel limit switch lead wire (Connected locally)

• Drain pump trial operation connector

(Connected locally)

•

M-NET transmission lead wire (Connected at the factory)

• MA remote controller transmission wire

(Connected at the factory)

• Fan motor lead wire (Connected at the factory)

• I

ntake air sensor lead wire (Connected at the factory)

•

Fluid piping sensor lead wire (Connected at the factory)

•

Gas piping sensor lead wire (Connected at the factory)

(• Humidifier lead wire)

(• Auxiliary electric heater lead wire)

3 Control board exchange

4 Condenser exchange

5 Power supply transformer exchange

6 Intake air sensor exchange

Note: The control PCB, capacitor and power trans-

former could fall off when removed.

(Fig.2-1)

(Photo.2-1)

PHOTOS&ILLUSTRATIONS

(A) Control box cover

Be careful removing heavy parts.

(B)

1 2 ... 17 18 19 20 21 22 23 24 25 26 27 ... 34 35

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Mitsubishi Electric PLFY-P-VLMD-E Service Manual Page 22

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