Toshiba MMY-MAP0804HT8ZG-E Group control through a Remote Controller, SMMS-i, Installation Manual

SMMS-i Installation Manual

Be sure to keep the rule of below tables about size and length of communication wiring.

Central
control
controller					Super modular multi system
	U1	U2
	U3	U4					Table-1
					L4				Follower
			Header	Header	Follower	Follower	Follower	Header
			unit	unit	unit	unit	unit	unit	unit

Outdoor unit

U3 U4

U3 U4

U3 U4

U3 U4

U3 U4

U3 U4

U3 U4

U1 U2

U5 U6

U1 U2

U5 U6

U1 U2

U5 U6

U1 U2

U5 U6

U1 U2

U5 U6

U1 U2

U5 U6

U1 U2

U5 U6

L1

L5

Table-1

Table-2

L2

L3

Indoor unit

U1 U2

U1 U2

U1 U2

U1 U2

U1 U2

U1 U2

U1 U2

U1 U2

A B

A B

A B

A B

A B

A B

A B

A B

Table-3

L7

L6

Remote controller Remote controller

Remote controller

Table-1 Communication wiring between indoor and outdoor units (L1, L2, L3), Central control wiring (L4)

Wiring	2-core, non-polarity
Type	Shield wire
Size/Length	1.25 mm2: Up to 1000 m/2.0 mm2: Up to 2000 m (*1)

(*1): Total length of Communication wiring length for all refrigerant circuits (L1 + L2 + L3 + L4)

Table-2 Communication wiring between outdoor units (L5)

Wiring	2-core, non-polarity
Type	Shield wire
Size/Length	1.25 mm2 to 2.0 mm2/Up to 100 m (L5)

Table-3 Remote controller wiring (L6, L7)

Wire	2-core, non-polarity
Size	0.5 mm2 to 2.0 mm2
	• Up to 500 m (L6 + L7)
Length	• Up 400 m in case of wireless remote controller in group control.
	• Up to 200 m total length of communication wiring between indoor units (L6)

SMMS-i Installation Manual

◆Group control through a Remote Controller

Group control of multiple indoor units (8 units) through a single remote controller switch

Indoor unit
No.1		No.2	No.3	No.4	No.7	No.8
A B		A B	A B	A B	A B	A B
Remote controller	(A.B)

„Connection of power wires and communication wires

Remove knockouts on the piping/wiring panel on the front of the unit and the panel on the bottom to get the power and communication wires through the holes.

	Piping/wiring panel
Knockout for the
communication wire	Knockout for the power
Knockout for the power	supply wire
wire

NOTE

Be sure to separate the power wire and communication wires.

EN

39-EN – 20 – 40-EN