Mitsubishi Electronics MAC-399IF-E Connecting the M-NET Interface to indoor unit, SW500

■Position of SW500, SW501, SW510

11

LD503-2 R509 R508 R551

14

R507

13 IC510

1

52

R51A

C510

CST51

S			TB520
	B2	A2	B1	A1

CN503

1

9

C513 C514

C502

R536 R506 26

27	R550 R540 R535
R505

CST50

40

39

C503

R582

R583

R584

R541

C512 C511	DIP
R511 R512 R513 R514 R515		R516	R517
R5A2 R5A3 R5A4 R5A5	R5A6	R5A7	R5A8

DIP	TB521	M-Net2
CN514 4	SW501	1

M-Net1 PG

C520

CN502

1

8

R501

R585

R5D8 IC501 R5D7 LD502-2

R5D6 40 R500 R5D5 R5D4

R5D3

R5D2

R5D1 R5E8 R5E7 R5E6

R5A1 R510

R5C1	R5C2	R5C3
24
IC500	R5C5

Pb Solder

R5C4

1
M-NETAddress SW510	10	ON

	1
	C523
C522	C524

CN501

1

CN127 5

1 Q560 5

R5E5

R5E4

R5E3

R5E2

R5E1 R5G6 64

R5G5 R5G4 C501 R5G2 Q561 LD502-1

R5G3 C500

R562 R5G1

R564

PC561

	R5C6
R5B1 R5B2 R5B3	R5B4 R5B5

1

R5F7 R5F5 R5F3 R5F1 R5F6 R5F4 R5F2 R502

R518 R5B6 R5B7 C576 4 CN504 1R5B8

SW500

ON

1

CN512

	R525
1	R528
	22
	1
	23

R526

R524	ZD522
R522
R523
ZD523
R527
C526

ZD520

ZD521

12

Q521	R520
R521
C528
C527
11

Q520

C525

1

CN513

SW510

SW501

SW500

CN560 LD501-1

CN511

33

1

							C573
1				IC570	C572	C574
	L570	PC560	L571				D500

8

34 IC520 44

9

11

PG	R565 C560 R563		LD501-2 R504 R503
	C570	C571	C575 LD503-1
			(1)

A

DM00J805B

Pb Solder	PG
	(2)
DM00J805B	A

5. Connecting the M-NET Interface to indoor unit

Connect the M-NET Interface board to the indoor control board.

Indoor unit Interface unit 1

Indoor control board	Connect the 5-core connecting cable that comes
	with the M-NET Interface unit to the connector
	CN105 on the indoor control board.

•5-core connecting cable connected to the Indoor unit should be mounted on or near the Indoor unit.

If the 5-core connecting cable is not securely mounted, the connector may detach, break, or malfunction.

Mounting screws 8 4 ⋅ 10

	Electrical wire mounting
Mounting cord clamp 6	bracket
	Mounting screws 9 4 ⋅		Mounting cord clamp 6
		16

6