Control Box - Mitsubishi Electric CITY MULTI PEFY-AF1200CFM-E Technical & Service Manual

[ IX Disassembly Procedure ]

3. Control box

1. To remove the control box cover (Fig.2)
(1) Remove the two control box cover fixing screws.
(2) Removing the control box cover allows the following services to be performed.
1) Operating and checking the switches (See below) on the control box
Rotary switch SW11,12 : ADDRESS SET
Rotary switch SW14 : BRANCH NO.
Dip switch SW1 : MODE SELECTION 1
Dip switch SW2 : CAPACITY CODE
Dip switch SW3 : MODE SELECTION 2
Dip switch SW4 : MODEL SELECTION
Dip switch SW5 : MODEL SELECTION
Dip switch SW7 : MODEL SELECTION
Dip switch SW8 : MODE SELECTION 3
Jumper pin SWE : EMERGENCY OPERATION
Dip switch SWC : OPTIONAL PARTS
2) Checking and connecting field-supplied wiring (See below) to the control box
Power wire : Field-wiring
Indoor-outdoor transmission line : Field-wiring
Remote controller wiring : Field-wiring
LEV wiring : Factory-connected wiring
Float switch wiring : Factory-connected wiring
Fan motor wiring : Factory-connected wiring
Humidity sensor wiring : Factory-connected wiring
Inlet air temperature thermistor wiring : Factory-connected wiring
Supply air temperature thermistor wiring : Factory-connected wiring
Liquid pipe temperature thermistor wiring : Factory-connected wiring
Gas pipe temperature thermistor wiring : Factory-connected wiring
Drain pump wiring : Factory-connected wiring
3) Replacing the control board
4) Replacing the condenser
5) Replacing the power transformer
6) Replacing the auxiliary relay
HWE13100
Control box cover
Fig.2
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