Mitsubishi Electric PLA-RP50 Service Manual download pdf (Page 36)

11-3. ELECTRICAL CIRCUIT (Controller board and wiring diagram (Panel))

11-3-1. Dip SW 22 type

CN3G

(BLK)

CN3G

(BLK)

CN90

(WHT)

CN2B

(WHT)

FUSE

CNAC

(WHT)

CN22

(BLU)

SW22

CN2C

(WHT)

CN3A

(RED)

U.B

R.B

TB6

TB5

I.B

Panel

Indoor unit

CN2G

(BLK)

CN2F

(BLK)

CN2E

(RED)

SW1

SW2

CNB

(WHT)

W.B

MU1

LS21

LS1

LS21

UK1

WHT

BLK

GRN/YLW

BLK

WHT

123456789

Symbol Name Symbol Name

U.B Auto grille controller board W.B Wireless remote controller board

FUSE Fuse (3.15A)

BZ Buzzer

RU Receiver

SW22 Switch (Lowering distance set up) SW1 Emergency switch (heating/down)

UK1 Up/down machine SW2 Emergency switch (cooling/up)

MU1 Motor (Up/down) LS1 Limit switch (storage detection)

LS21 Limit switch (tension detection) R.B Wired remote controller

I.B Indoor controller board

SW22

11-3-2. Dip SW 2 type

SW2

SYMBOL NAME SYMBOL NAME

U.B CONTROLLER BOARD UK1

I.B

W.B

UP/DOWN MACHINE

FUSE FUSE (T3.15AL250V)

M MOTOR (FOR GRILLE UP/DOWN)

LS21

LIMIT SWITCH (TENSION DETECTION)

LIMIT SWITCH (STORAGE DETECTION)

WIRED REMOTE CONTROLLER

SW1

SW2

SW1

SWITCH (MODEL SELECTION)

INDOOR UNIT CONTROLLER BOARD

WIRELESS SIGNAL RECEIVER BOARD

SWITCH (LOWERING DISTANCE)

LS1

R.B.

SW3

LED1

LED2

SWITCH (SYSTEM SELECTION)

BUZZER

RU RECEIVING UNIT

LED RED

(MICROCOMPUTER POWER)

LED RED

(GRILLE CONDITION)

EMERGENCY HEATING

LONG PRESS FOR OVER 2 SEC)

EMERGENCY COOLING

LONG PRESS FOR OVER 2 SEC)

SYMBOL NAME

GRILLE / DOWN

(SHORT PRESS)

GRILLE / UP

(SHORT PRESS)

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Mitsubishi Electric PLA-RP50 Service Manual Page 36

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