Mitsubishi Heavy Industries FDURA501 User Manual

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● Function of switch SW3 (Usually all turned OFF) ● Function of switch (SW5) (Usually all turned OFF)
● Function of switch SW4
S Models FDCA801, 1001 type
● Control PCB
PCB power supply connector
(Secondary side)
PCB power supply connector
(Primary side)
CND CNP1 CNC1 CNU1 CNJ
CNY
CNZ1
CNI3
X23 X14
X13 X12
X22 X21 X20 X19 X18 X17 X16 X15 X11 X10 X09
X08 X07 X06 X05
X04 X03
X02 X01
CNM1
CNA1
CNQ1CNW2
CNA2
CNT2 CNT1
CNW1
CNDC2 CNDC1
CNH
CNB4CNB3CNB2 CNB1
CNL2
CNG2
CNN9
CNR1
CNN2
CNN8 CNN1
CNA3
SW9
SW8
SW7
SW5
SW3
LED2
LED1
SW4
CNE
LED3
SW5
SW3
SW4
LED2 (red)
LED1 (red)
LED3 (green)
䡵 Control change switch (SW3, SW4, SW5)
Defrosting-Cold weather region
Defrosting-Normal
Test run operation switch: Test run
Normal
Test run operation: Heating
Test run operation: Cooling
Pump down
Normal
Defrosting end operation change
Normal
SW3-1
SW3-2
SW3-3
SW3-4
SW3-5
SW3-6
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
Snow protection control-With
Snow protection control-None
Name Function
Renewal switch
Normal
LED reset
Normal
Test mode
Normal
SW5-1
SW5-2
SW5-3
SW5-4
ON
OFF
ON
OFF
ON
OFF
ON
OFF
Reserve
Name Function
SW4-1
SW4-2
SW4-3
SW4-4
OFF
OFF
ON
ON
ON
OFF
ON
ON
FDCA801 FDCA1001
Electronic expansion valve (For cooling)
(EEVC)
Electronic expansion valve (For heating)
(EEVH1)
Electronic expansion valve (For heating)
(EEVH2)
CNEEV1 CNEEV3 CNT1
CNZ1
X1
D1 D2
CNT2
CNEEV2
D3 D4 D5 D6
D7 D8 D9 D10
D12 D11 D13 D14
● Electronic expansion valve PCB
Electronic expansion valve PCB parts number
PCB505A041ZA FDCA801, 1001
Parts No. Applicable Model

Mitsubishi Heavy Industries FDURA501 Specifications

General

Brand	Mitsubishi Heavy Industries
Model	FDURA501
Category	Air Conditioner
Language	English