Toshiba MMY-MAP0601HT8, TCB-PCNT30TLE, RBC-AS21E2, RBC-EXW21E2, RBC-AMT21E INSTALLATION MANUAL

FILE NO. A04-007

APPLICATION CONTROL MANUAL

Super Modular Multi System

Heat Pump Type	R410A
Cooling Only Type

Super Heat Recovery Multi System

Heat Recovery Type

CONTENTS

1 Outline of system and application control

1-1 Outline of application control ...................................................................................................		5
1-2 List of application control models and setting ..........................................................................		6
1-3	Remote controller ....................................................................................................................	7
1-4 Application controls for remote controller ..............................................................................		10
	1-4-1 Application for indoor remote controller .......................................................................	10
	1-4-2 Two remote control .......................................................................................................	11
	1-4-3 Group control ...............................................................................................................	12
	1-4-4 Application controls for central remote controller .........................................................	13
1-5 Application controls of indoor unit .........................................................................................		15
1-6 Application controls of outdoor unit .......................................................................................		15
1-7	Application controls by optional P.C. board of outdoor unit ....................................................	16
1-8	Application controls by optional devices connected to indoor unit ........................................	19
1-9	Application control for network (Tentative) ............................................................................	21
	1-9-1 Touch screen controller system ...................................................................................	21
	1-9-2 LONWORKS ...............................................................................................................	22
	1-9-3 Windows based central controller ................................................................................	23
	1-9-4 BACnet ........................................................................................................................	23

2 System wiring diagram and control wiring method

2-1 Applicable model and connectable units ...............................................................................		25
2-2	System wiring diagram ..........................................................................................................	26
	2-2-1 For VRF system only ...................................................................................................	26
	2-2-2 For combined system with “1:1 model” ........................................................................	27
2-3	Design of control wiring .........................................................................................................	28
2-4	Earth method of shield wiring ................................................................................................	29
	2-4-1 For VRF system only ...................................................................................................	29
	2-4-2 For combined system with “1:1 model” ........................................................................	30
2-5	General requirement for control wiring ..................................................................................	31

3 Address setup

3-1	Definition of address .............................................................................................................	34
3-2	Address setup procedure .....................................................................................................	38
	3-2-1 Check at main power-ON ............................................................................................	39
	3-2-2 Automatic address setup .............................................................................................	40
	3-2-3 Manual address setup from remote controller .............................................................	43
	3-2-4 Confirmation of indoor unit address and position by using the remote controller .........	44
	3-2-5 Change of indoor address from remote controller .......................................................	45
	3-2-6 Address setup example (VRF system) .......................................................................	47
	3-2-7 Clearance of address (Return to status (Address undecided)
	at shipment from factory) ............................................................................................	50
	3-2-8 In case of increase the address-undefined indoor units (Extension, etc.) ...................	51
	3-2-9 How to set central control address ..............................................................................	52
	3-2-10 Address re-setup for central control of the super-digital inverter
	and the digital inverter ...............................................................................................	54
	3-2-11 Indoor address change example (Super-digital inverter and digital inverter) ............	58

2

4 Details of application control and devices
4-1 Remote controller .................................................................................................................	61
4-1-1 Wired remote controller (RBC-AMT21E) ....................................................................	61
4-1-2 Simple remote controller (RBC-AS21E) .....................................................................	67
4-1-3 Wireless remote controller kit .....................................................................................	71
4-1-4 Weekly timer (RBC-EXW21E) ....................................................................................	97
4-2 Central remote controller (TCB-SC642TLE) ......................................................................	107
4-2-1 Outline ......................................................................................................................	107
4-2-2 Installation procedure ...............................................................................................	112
4-2-3 Operation procedure .................................................................................................	130
4-3 Application controls of indoor unit ......................................................................................	136
4-3-1 Setup of selecting function in indoor unit ..................................................................	136
4-3-2 Ventilation fan control from remote controller ............................................................	139
4-3-3 Leaving-ON prevention control .................................................................................	140
4-3-4 Power peak-cut from indoor unit ...............................................................................	140
4-3-5 Remote sensor (TCB-TC21LE) ................................................................................	141
4-4 Application controls of outdoor unit ....................................................................................	142
4-4-1 Outdoor fan high static pressure shift .......................................................................	143
4-4-2 Cooling priority, heating priority control .....................................................................	143
4-4-3 Indoor unit setup in “Specific indoor unit priority control” mode .................................	144
4-5 Application controls by optional P.C. board of outdoor unit .................................................	145
4-5-1 Power peak-cut control .............................................................................................	150
4-5-2 Snowfall fan control ..................................................................................................	152
4-5-3 External master ON/OFF control ..............................................................................	152
4-5-4 Night operation control ..............................................................................................	153
4-5-5 Operation mode selection control .............................................................................	153
4-6 Application controls by optional devices connected to indoor unit .....................................	154
4-6-1 Remote control by “remote location ON/OFF control box” .......................................	154
4-6-2 Central control by AI-NETWORK central controller (Network adapter) ...................	157
4-6-3 Central control with “1:1 model” (“1:1 model” connection interface) ..........................	163
5 Dimensional drawing

3

1

OUTLINE OF SYSTEM

AND

APPLICATION CONTROL

1-1 Outline of application control

1-2 List of application control models and setting 1-3 Remote controller

1-4 Application controls for remote controller 1-4-1 Applications for indoor remote controller 1-4-2 Two remote control

1-4-3 Group control

1-4-4 Application controls for central remote controller 1-5 Application controls of indoor unit

1-6 Application controls of outdoor unit

1-7 Application controls by optional P.C.board of outdoor unit

1-8 Application controls by optional devices connected to indoor unit 1-9 Application control for network (Tentative)

1-9-1 Touch screen controller system

1-9-2 LONWORKS

1-9-3 Windows based central controller

1-9-4 BACnet

4

1-1 Outline of application control

LON Gateway

LONWORKS

BMS-LSV2E

Intelligent

TCS-Net Interface

server

BMS-IFLSV1E

Touch screen

Power peak-cut

controller

control board

TCB-PCDM2E

• Monitoring

External master

• Remote control

ON/OFF board

• Schedule operation

TCB-PCMO2E

•Error code indication

•Alarm list indication

•Monthly report

•Energy monitoring data

etc.				Energy meter	I/F
				relay interface
					Energy
					monitoring
Operationstatus output	Operationcontrol command	Powerpeak-cut control signal	MasterON/OFF signal		Alarm status output	ON/OFF command
					Batch drive, error output
					Master ON/OFF signal
						Central remote
						controller
						TCB-SC642TLE

Air-conditioning

Management on site

Weekly timer

RBC-EXW21E

*1 BACnetTM : ANSl/ASHRAE135-1995, A Data CommuniCation Protocol for Bulding Automation and ControI Networks. *2 LoNWoRKS R : Resistered trademark Echelon Corporation.

Outdoor Units (VRF system)

Super Digital Inverter

Digital Inverter

"1:1 model" connection interface TCB-PCNT30TLE

Remote location

ON/OFF control box

TCB-IFCB-4E

Network adapter

TCB-PCNT20E

Master remote controller

Side remote controller

AI-NETWORK

	Wired remote controller
	RBC-AMT21E	Wireless remote
	Sub-remote
Weekly timer	controller	controller
RBC-EXW21E	RBC-AS21E		AI-NET central
			control devices

5

1-2 List of application control models and setting

Appliance name	Model name	Contents of application control	Connecting device or setting method	Reference
				No.
Remote Controller
Wired remote controller	RBC-AMT21E	•Individual control	Indoor unit
		•Group control
Simple remote controller	RBC-AS21E	•Two remote control
Wireless remote	TCB-AX21U(W)-E	•Individual control	For 4-way sir discharge cassette type	1-3
controller	RBC-AX22CE	•Two wireless control	For under ceiling type
	TCB-AX21E	•Two remote control (wired & wireless)	For other type	1-4
Weekly timer	RBC-EXW21E	•Weekly schedule operation	Wired remote controller
		(main remote controller + weekly timer)
Central remote	TCB-SC642TLE	•Central control of Max.64 or units	Outdoor unit
controller		•Weekly schedule operation	(Indoor unit)
		(central remote controller + weekly timer)
		•Central control without indoor remote controller
		•Central control with "1:1 model"
Application controls of indoor unit
Function change of		Setting functions necessary to perform	Item code (DN) setting from
indoor unit		applied control at the local site.	wired remote controller
Ventilation fan control		Ventilation fan start/stop operation from	Setting from wired remote
from remote controller		wired remote controller.	controller and relay wiring	1-5
Leaving-ON		Control to prevent Leaving-ON of indoor	(local supply)
prevention control		unit.
Demand control from		Thermo-OFF operation by relay signal	Relay wiring (local supply)
indoor unit
Remote sensor	TCB-TC21LE	Remote sensing of indoor air temperature	Indoor unit
Application controls of outdoor unit
Outdoor fan high static		Change of outdoor fan control when connecting	Switch setting on outdoor
pressure shift		a duct to discharge port of outdoor unit.	interface P.C. board	1-6
Control for cooling/		Change operation mode priority
heating priority
Specific indoor unit		Specific indoor unit has the priority for	Item code (DN) setting from wired
priority control		operation mode.	remote controller
Optional P.C. board of outdoor unit
Power peak-cut	TCB-PCDM2E Power peak-cut (Standard function)		Inverter assembly of the header
control board		Power peak-cut (Expansion function)	outdoor unit
External master	TCB-PCMO2E	Snowfall fan control		1-7
ON/OFF control board		External master ON/OFF control
		Night operation (sound reduction) control
		Operation mode selection control
Optional devices connected to indoor unit
Remote location	TCB-IFCB-4E	•Monitoring from outside	Indoor unit
ON/OFF control box		•ON/OFF command from external signals
Network adapter	TCB-PCNT20E	Central control with AI-Network system	Indoor unit	1-8
"1:1 model" connection TCB-PCNT30TLE		Central control with "1:1 model"	Indoor unit
interface		(link Toshiba Digital Inverter system
		and Super Digital Inverter system)
Application control for network
Touch screen controller	BMS-TP5120ACE Combination of touch screen and local		Central control wiring
system	etc.	server (monitoring, remote operation, etc)
LONWORKS	TCB-IFLN***	LONWORKS interface connected to	Central control wiring	1-9
	etc.	building management computer
Windows based	BMS-LSV***	Local server is "Plug-in" into customer's	Central control wiring
central controller	etc.	personal computer
BACnet	BMS-LSV***	Local server is connected under the	Central control wiring
	etc.	BACnet network.

6

1-3 Remote controller

Model Name name

Wired remote controller

RBC-AMT21E

Simple remote controller		RBC-AS21E
		(W)-E
Wireless remote controller kit		TCB-AX21U
		RBC-AX22CE
		AX21E
		TCB-

Appearance		Application		Function	Reference
					N o .
		Connected to indoor unit	•	Start / Stop
			•	Changing mode
			•	Temperature setting
			•	Air flow changing
			•	Timer function
				Either “ON” time or “OFF” time
				or “CYCLIC” can be set how
				many 30 min. later ON or OFF is
		CODE No.		operated.
SET DATA				Combined with the weekly timer,
	UNIT No.
SETTINGTEST	R.C. No.			weekly schedule operation can
			•	be operated.	1-4
				Filter sign	4-1-1
				Displays automatically maintenance
	UNIT			time of indoor filter.
		Wired remote Wired remote controller		Filter sign flashes.
SET CL		controller (In case of control by	•	Self-diagnosis function
		2 remote controllers)
				Pressing “CHECK” button displays
				cause of trouble on the check code.
			• Control by 2 remote controllers is
				available.
				Two remote controllers can be
				connected to one indoor unit. The
				indoor unit can be separately
				operated from the isolated places.
		Connected to indoor unit	•	Start / Stop
			•	Temperature setting
			•	Air flow changing
			•	Check code display
TEST	˚C
SETTING	˚F

1-4

4-1-2

Simple remote controller

•	Start / Stop
•	Changing mode
•	Temperature setting
•	Air flow changing
•	Timer function
Connected to indoor unit	Either “ON” time or “OFF” time or
	“CYCLIC” can be set how many 30
	min. later ON or OFF is operated.
• Control by 2 remote controllers is
	available.
	Two wireless remote controllers can	1-4
	operate one indoor unit. The indoor	4-1-3
	unit can be separately operated
	from the isolated places.
•	Check code display
TCB-AX21U (W)-E
(For 4-way Air Discharge Cassette)
RBC-AX22CE
(For Under Ceiling)
TCB-AX21E
(For others except concealed duct
high static pressure type)

7

Wireless remote controller kit (Kit of Hand set and receiver unit)

Wireless remote controller

Sensor unit (receiver unit)

Outlook and function

Reference No.

Wireless remote controller

(Common for all indoor unit type)

TCB-AX21U(W)-E

(for 4-way Air Discharge

Cassette type)

186W x 186D

(Mounted to the corner of 4-1-3 ceiling panel)

	• Check code display
	(sensor block display on
	the receiving unit)
TCB-AX22CE	• Test operation
(For under Ceiling type)	(Switch setting on the
	receiver unit)
130W x 65H	• Emergency operation
(Mounted to the display
position of front cover)	(Push “emergency
	operation” button on the
	receiver unit)

TCB-AX21E

(Universal type for other indoor unit except high static pressure duct type. )

70W x 120H

(Placed on the wall,etc)

8

Model Name name

Weekly timer

RBC-EXW21E

Central remote controller

TCB-SC642TLE

Appearance

Application

Performance

Reference

N o .

•

Weekly schedule operation

Connected to central

Setting different start / stop time

remote controller,

for each day of the week

wired remote controller

ON / OFF can be easily set 3

times a day.

ON

OFF ON

OFF ON

OFF

8:00

12:00

13:00

18:00

19:00

21:00

Wired

Weekly

“CHECK” “PROGRAM” “DAY”

button make setting copy easy.

SuMoTuWeTh Fr Sa

remote controller

timer

PROGRAM1

Two patterns of schedule for a

1-4

PROGRAM3

ERROR

PROGRAM2

week can be specified.

4-1-4

WEEKLY TIMER

(Summer schedule and winter

schedule, etc.)

Outdoor unit

“CANCEL” “DAY” button make

holiday setting easy.

If power supply fails, the setting

contents are stored in memory,

for 100 hours.

Central

Weekly

remote controller

timer

• Individual control up to 64 indoor

Connected to outdoor unit,

units.

indoor unit

• Individual control for max. 64 indoor

Header

Follower

units divided 1 to 4 zone.

Up to 16 indoor units for each

zone

• Up to 16 outdoor header units are

connectable.

• 4 type central control setting to

ZONE

inhibit individual operation by remote

ALL ZONE

GROUP

No.

controller can be selected.

CODE

Outdoor unit

1234

UNIT No.

TEST

SET DATA

• Setting for one of 1 to 4 zone is

SETTING R.C.

No.

available.

1-4-4

GROUP

• Usable with other central control

SELECT

ZONE

4-2

devices (Up to 10 central control

Central

CL

SET

devices in one control circuit)

remote controller

• Two control mode selectivity

Central controller mode

Remote controller mode

• Setting of simultaneous ON/OFF 3

times for each day of the week

combined with weekly timer.

Central

remote

controller

Indoor

remote controller

9

1-4 Application controls for remote controller

1-4-1 Applications for indoor remote controller

Basic function

System diagram

Model

Main remote controller

Wireless remote controller

• Wired remote controller

RBC-AMT21E

Individual control

• Simple remote controller

Indoor

Indoor

Air conditioner is

RBC-AS21E

1

unit

unit

individually oper-

• Wireless remote controller

Possible up to Max.

kit

ated at a distance.

Receiver unit

total length 500m

TCB-AX21U(W)-E

RBC-AX22CE

Remote

Wireless

TCB-AX21E

controller

remote

controller

Max.8 indoor units

GROUP control

• Wired remote controller

Indoor

Indoor

Indoor

Indoor

One remote controller

unit

unit

unit

unit

RBC-AMT21E

can control group of

2

• Simple remote controller

Max. 8 indoor units.

RBC-AS21E

Operating on the

same setting

Remote

Possible up to Max.total length 500m

controller

Wired system

Wireless system

Indoor

Indoor

unit

unit

• Wired remote controller

RBC-AMT21E

Two remote control

Remote

Remote

Wireless

Wireless

• Simple remote controller

remote

remote

Air conditioner is

controller

controller

RBC-AS21E

3

controller 1

controller 2

controlled by two

• Wireless remote control-

Master

Side

Master

Side

remote controllers

ler kit

at two places.

Possible up to Max.

TCB-AX21U(W)-E

RBC-AX22CE

total length 500m

TCB-AX21E

Indoor

unit

Wired & Wireless

combination control

(Either controller

Remote

Wireless

should be set as

controller

remote

side controller)

controller

Weekly timer function

• Setting of ON-OFF

Control by

3 times par day

• Wired remote controller

Indoor

• Timer time is displayed.

weekly timer

RBC-AMT21E

4

unit

• Designation of holiday

+

Weekly schedule

operation

• Weekly timer

RBC-EXW21E

Remote

Weekly

controller

timer

10

1-4-2 Two remote control

This control is that one or more indoor units are controlled by two remote controllers. (Max. two remote controller can be connected.)

●One indoor unit operated by two remote controller

To outdoor unit

Indoor		U1U2
Unit								Remote controller
					A	B		Wiring

(Local supply)

A B	A B
Remote	Remote
controller	controller
(Master)	(Side)

(Setting method for side remote controller)

<In case of wired remote controller>

Change the remote controller address connector of the side remote controller on the P.C. board.

(In case of simple remote controller [RBC-AS21E], refer to

“4-1-2 Simple remote controller”)

<In case of wireless remote controller>

Turn No.3 of DIP switch [S003] on sensor P.C. board from OFF to ON.

In case of 4-way cassette type (For others, refer to installation manual of wireless remote controller kit or

“4-1-3 Wireless remote controller kit”)

●Group control operated by two remote controller

To outdoor unit

U1U2

U1U2

U1U2

A

B

A

B

A

B

A B	A B
Remote	Remote
controller	controller
(Master)	(Side)

	Remote controller
(RBC-AMT21E)	address connector
Remote controller	Master remote controller
	Remote controller
	check

Side remote controller

Remote controller address

S 003

Bit 1 : OFF to ON

ON

4

3

2

1

Sensor

P.C. board

Corner cap

Cover

(Operation)

1)Operation mode can be changed by “last push priority”.

2)In case of using a timer, connect the timer to either remote controller.

11

1-4-3 Group control

Max. 8 indoor units can be controlled by one remote controller on a group control.

Twin, triple control of 1 by 1 model (Toshiba Digital inverter, Super digital inverter) is one of group control. Header indoor unit controls indoor air temperature based on setting temperature of the remote controller.

<System sample>

Outdoor

unit

				Header
	Indoor			Indoor				Indoor		Indoor
	unit	1-1		unit		1-2		unit	1-3	unit	1-8
										Max. 8 units
	Remote
	controller				[NOTE]			Be sure to supply the power for all indoor units on the group control.
								If the power isn’t supplied to the header indoor unit, communication between indoor units
								and remote controller can’t be performed.

[1]Display range of remote controller

Remote controller reflects the setting range of header indoor unit. Setting range : Operation mode, Air Volume setting, Setting temperature

[ NOTE ] Don’t set the concealed duct high pressure type (AID-P***H, MMD-P***1H) to the header indoor unit.

Set the other type indoor unit to the header indoor unit.

• In case concealed duct high static pressure type is the header indoor unit, display of remote controller is as follows. Operation mode : [AUTO] [HEAT] [COOL] [FAN], no [DRY] mode

Air volume selection : [HIGH]

• In case of [DRY] mode, duct type keeps [FAN] mode.

[ NOTE ] Don’t set cooling only model as header indoor unit. Set heat pump model as header indoor unit.

• [AUTO] [HEAT] mode can’t be operated.

[2]Remote location control (HA)

Both header and follower indoor unit can response by remote location control (HA) signals. Master ON/OFF control can be conducted for all indoor units on the same group.

[ NOTE ] Don’t input two or more HA signals to one group.

[3]Address setting

All indoor units on the same group must be turned on when automatic address setting is conducted.

If power supply is turned on three minutes later than automatic address setting, reboot will occur and automatic address setting starts again.

[ NOTE.1 ] Be sure to do electrical work and control wiring certainly. [ NOTE.2 ] Reconfirm the line / indoor / group address one by one.

Especially confirm the identical line address both outdoor and indoor side.

12

1-4-4 Application controls for central remote controller

	Basic function			System diagram			Model	Reference
								N o .
			Header	Super MMS
		U3, U4	unit
				Outdoor unit
				Line-3
			U5, U6		Indoor unit
		Zone	U1, U2
		4
			Header	Indoor remote controller
			unit
		U3, U4			Outdoor unit	Super MMS
			U5, U6		Line-2	Indoor unit
		Zone	U1, U2
		3
		Zone
		2
			Header	Indoor remote controller
			unit
		U3, U4	Outdoor unit		Super HRM
			Line-1		Indoor unit		• Central remote
		Zone	U1, U2				controller
							TCB-SC642TLE
		1	FS unit
1	Central manage-	Power	Central	Indoor remote controller
	ment controller						<Indoor remote controller>
	for 64 units	supply	remote controller					4-2
		Single phase					• Wired remote controller
		220/230/240V
							RBC-AMT21E
							• Simple remote
		Function of central remote controller					controller
		• Individual control up to 64 indoor units.					RBC-AS21E

•Individual control for max. 64 indoor units divided 1 to 4 zone. (Up to 16 indoor units for each zone.)

•Up to 16 outdoor header units are connectable.

•4 type central control setting to inhibit individual operation by remote controller can be selected.

•Setting for one of 1 to 4 zone is available.

•Usable with other central control devices

(Up to 10 central control devices in one control circuit)

• Two control mode selectivity

Central controller mode/Remote controller mode

• Setting of simultaneous ON/OFF 3 times for each day of the week combined with weekly timer.

• Central remote

controller

Central remote

U3, U4

Outdoor unit

Super MMS

TCB-SC642TLE

Indoor unit

U1, U2

+

controller

• Weekly timer

+

Weekly timer

RBC-EXW21E

2

Weekly

4-2

operation

Indoor remote controller

<Indoor remote controller>

schedule

Single phase

• Wired remote controller

can be set by

RBC-AMT21E

connecting a

220/230/240V

Power

or

weekly timer

Weekly timer

supply

• Simple remote

to the central

Central

remote

remote controller

controller

RBC-AS21E

controller

13

Basic function

System diagram

Model

Reference

N o .

U3, U4

Outdoor unit

U1, U2

Power

Indoor unit

supply

Central remote controller

Single phase

220/230/240V

Even when grouping operation is performed

by connecting multiple indoor units to 1 line,

• Central remote

the indoor remote controller is required.

Example of grouping operation

controller

TCB-SC642TLE

Remote central

U3, U4

Outdoor unit

3

control without

U1, U2

4-2

indoor remote

<Indoor remote

controller

controller>

(Group)

• Wired remote

Power

controller

Indoor remote controller

Available

supply

is required

RBC-AMT21E

Single phase

Central remote controller

220/230/240V

U3, U4

Outdoor unit

U1, U2

Power			(Group)
			Available
supply
Single phase		Central remote controller
220/230/240V

• Central remote

Power

Central remote controller

controller

TCB-SC642TLE

supply

U3, U4

• “1 : 1 model”

connection

4 Central manage-

4-2

interface

ment control with

Header

Super MMS

*

1

TCB-PCNT30TLE

“1 : 1 model”

unit

RAV-SM560KRT-E,

U1, U2

Indoor unit

"1:1 model"

SM800KRT-E are

connection

not available

interface

<Indoor remote

Indoor remote controller

controller>

• Wired remote

controller

RBC-AMT21E

• Simple remote

controller

RBC-AS21E

*TOSHIBA Digital Inverter System and Super Digital Inverter System

14

1-5 Application controls of indoor unit

No

Control name

Function

Reference No.

Function change

Items necessary to perform the applied control at the

Item code (DN)

1

local site can be selected.

setting from wired

4-3-1

(Ex. Setup of TA sensor, body TA sensor / remote

remote controller

controller sensor)

Ventilation fan control

ON/OFF control can be operated from wired remote

Setting from wired

from remote controller

controller when the entire heat exchanger or

remote controller

ventilation fan is installed in the system.

+

Relay (DC12V, procured locally)

Relay wiring

2

CN32

1

1

Outside control

(local supply)

4-3-2

FAN DRIVE

input of fan

(2P WHI)

2

2

To terminal

Indoor control

P.C.board

Leaving-ON prevention

Using a card switch box, card lock etc, the leaving-

Setting from wired

control

ON of the indoor unit can be prevented by setting of

remote controller

remote controller and relay wiring.

+

Relay (procured locally)

Relay wiring

CN61

1

1

(local supply)

T10

3

(YEL)

2

2

4-3-3

3

3

4

4

5

5

6

6

Indoor control

Power supply

P.C.board

Outside contact

Demand control

Thermostat-OFF operation by relay signal.

Relay wiring

• Wiring example

(local supply)

Relay (procured locally)

4

CN73

1

1

4-3-4

2

2

Relay coil signal

EXCT

(2P plug: RED)

Indoor control

P.C.board

Remote sensor

Air temperature sensing at a distance.

Remote sensor

(TCB-TC21LE)

Remote

Remote

(Sold

(TCB-TC21LE)

sensor

controller

separately)

(Master)

Remote controller cable

Indoor

(Procured locally)

Terminal block for

Unit

4-3-5

5

remote controller cable

A

B

Earth

Indoor unit

Remote

Remote

[NOTE]

Controller

Sensor

Don’t change TA sensor to remote controller sensor

by item code (DN) setting.

1-6 Application controls of outdoor unit

	No	Control name	Function	Setting method	Reference No.
	1	Outdoor fan high static	Increase outdoor fan speed so that a duct with the	Switch setting on	4-4-1
		pressure shift	maximum outside static pressure 35Pa can be installed.
				outdoor interface
		Cooling priority, heating	Cooling priority or heating priority can be selected.		4-4-2
	2			P.C. board
		priority control	(Setup at shipment : heating priority)
		Specific indoor unit	Only one indoor unit can be set to priority for changeover	Switch setting on
		priority control	operation mode.
				outdoor interface
				P.C. board	4-4-3
	3			+
				Item code (DN)
				setting from wired
				remote controller

15

1-7 Application controls by optional P.C. board of outdoor unit

	Model	Appearance	Function	Reference
	name			No.
			[1] Power peak-cut Control

●Feature

The upper limit capacity of the outdoor unit is restricted based on the power peak cut request signal from outside.

●Function

Two type control can be selected by setting SW07 on the interface P.C. board of the header outdoor unit.

TCB-PCDM2E

Local Supply

ON

Size : 71 x 85 (mm)

SW1

COM

OFF

SW2

COM

	Application		[Standard function]
			SW07-2 OFF
PCDM2E								4-5-1
			ON		OFF	0% (stop)	Up to 60%
			Input			SW07-1
			SW01		SW02	OFF	ON
-
TCB			OFF		ON	100% (Normal)	100% (Normal)
			[Expansion function]
			SW07-2 ON
			Input			SW07-1
			SW01		SW02	OFF	ON
	* Place this optional P.C.		OFF		OFF	100% (Normal)	100% (Normal)
	board to inverter		ON		OFF	Up to 80%	Up to 85%
	assembly of the header
			OFF		ON	Up to 60%	Up to 75%
	outdoor unit.
			ON		ON	0% (stop)	Up to 60%

•Be sure to prepare the point of contact for each terminal.

•Don’t turn on both SW1 and SW2 terminal simultaneously.

16

	Model	Appearance	Function	Reference
	name			No.

[2] Snowfall fan control

●Feature

Outdoor fan is operated with the snowfall signal from outside.

●Function

TCB-PCMO2E

Local Supply

COM

SMC

Size : 55.5 x 60 (mm)

Cooling

Application	SMC : Cooling mode select input (switch)
	Terminal	Input signal	4-5-2
			Operation
		ON
			Snowfall fan control
			(Operates outdoor fan.)
		OFF
	SMC
		ON
			Usual operation
			(Releases control)
		OFF

	PCMO2E-	* Place this optional P.C.	This control is conducted when input signal stand up and fall down.
		board to inverter	(Standing and falling status should be held for 100 mm.sec. or more.)
		assembly of the header
		outdoor unit.

TCB

[3] External master ON/OFF control

● Feature

The outdoor unit starts or stops the system.

● Function

TCB-PCMO2E

Local Supply

COM

Cooling

SMC

SMH

Heating

SMC : Input signal for start

SMH : Input signal for stop

4-5-3

Terminal

Input signal

Operation

ON

SMC

Starts all indoor units.

OFF

ON

SMH

Stops all indoor units.

OFF

• Be sure to prepare non voltage continuous point of contact for each terminal.

This control is conducted when input signal stand up or fall down. (Standing and falling status should be held for 100 mm.sec. or more.)

17

	Model	Appearance	Function	Reference
	name			No.

[4] Night operation (Sound reduction) control

●Feature

Sound level can be reduced with connecting outdoor E-parts by restricting compressor and fan speed.

●Function

TCB-PCMO2E	Local Supply
COM
Size : 55.5 x 60 (mm)	SMC

Cooling

		Application
			SMC : Cooling mode designated input switch
			Terminal	Input signal	4-5-4
					Operation
				ON
					Night operation (sound reduction)
					control
			SMC	OFF
				ON
					Usual Operation
				OFF
	PCMO2E-TCB	* Place this optional P.C.	[5] Operation mode selection control
		board to inverter
			This control is conducted when input signal stand up or fall down.
		assembly of the header
			(Standing and falling status should be held for 100 mm.sec or more.)
		outdoor unit.

●Feature

This control can be operated with the operation mode which is permitted by SMC or SMH.

●Function

TCB-PCMO1E

Local Supply

COM

Cooling

SMC

SMH

Heating

4-5-5

SMC : Cooling mode designated input switch

SMH : Heating mode designated input switch

SMC

SMH

Selected operation mode

ON

OFF

Only cooling mode

permitted

OFF

ON

Only heating mode

permitted

Be sure to prepare non-voltage continuous point of contact for each terminal.

18

1-8 Application controls by optional devices connected to indoor unit

[1] Remote location ON/OFF control box

Model

name

TCB-IFCB-4E

	Appearance	Features	Reference
			No.
		● Start and stop of air conditioner is possible by the
		external signal, and also indication of operation/
		alarm to outside is possible.

Application

Function

	4-6-1
	• Monitoring
	ON/OFF status (for indoor unit)
Operation	Alarm status (system & indoor unit stop)
	• ON/OFF command
	Air conditioner can be turned ON/OFF by the
	external signals.
	The external ON/OFF signals are output for the
	signals below.
Interface
Display
Remote
Controller	ON/OFF
	Non-voltage
	ON /OFF continuous signal
	COM

[2] Network adapter

Model

name

TCB-PCNT20E

	Appearance	Features	Reference
			No.
		● Indoor units of VRF system is controlled by AI-
		NETWORK central remote controller.
		Connectable indoor units per group.

Connection of cables

Central remote controller

Non polarity cable

X Y

Indoor unit

CN03

control

Indoor unit

Indoor unit

Indoor unit

1 2

1

1

1

P.C.board

Indoor

Indoor

Indoor

CN041

Place optional P.C. board in E-parts of indoor unit.

2

3

3

1 3

1 3

control

control

control

CN309

P.C.board

P.C.board

P.C.board

CN02

CN01

Indoor

A B

A B

A B

A B

unit

4-6-2

Application

Non polarity cable

Remote controller

Power

Wiring diagram of indoor P.C. board

Supply

Al Network

CN040(Blue) Indoor control P.C.board CN300(Yellow)

1 2 3

1

3

Central Remote

Network Adapter

1 2 3

1

3

Black

Black

Controller

Terminal block

TCB-SC641E

for connecting

Network

remote controller

Black

3 3

CN01(White)

adapter

Power

A B

2 2

P.C. board

2 2

Supply

White

1 1 CN02(Blue)

1 1

transformer

CN03(Red)

Indoor unit

1 2

Remote

1 2

Gray Gray

Controller

X Y

Network connection terminal block

19

[3] “1:1 model” connection interface

	Model	Appearance	Features	Reference
	name			No.
			● Link adapter for “1:1 model” into VRF system
			network
			1:1 model : Super digital inverter
			Digital inverter

Place optional P.C. board in E-parts of indoor unit.

Connection of cables

Central

control

devices

Indoor unit

Indoor unit

Indoor unit

U3

U4

Adaptor

Indoor

Indoor

Indoor

control

control

control

P.C.board

P.C.board

P.C.board

A

B

A

B

A

B

PCNT30TLE-TCB

Application

Remote

controller

Central Remote

4-6-3

Controller

TCB-SC642TLE

Super MMS control wiring

1:1 model

connection

interface

Wiring diagram of indoor P.C. board

Indoor units

Connecting

Digital Inverter

U3

U4

terminal block

Super Digital Inverter

BLU

BLU

1

2

Outdoor unit

1

2

CN40 (BIU)

WHI

CN51 (RED)

1

1

1

1

CN50 (WHI)

RED

2

2

2

2

adapter

RED

Indoor control

3

3

3

3

RED

P.C.board

4

4

4

4

RED

5

5

5

5

20

1-9 Application control for network (Tentative)

1-9-1 Touch screen controller system

Devices

Function

	System Diagram	Reference
		No.
	Intelligent Server Software

Ethernet	RS-485	Control wiring
connection

				Intelligent Server		TCS-Net Relay Interface
	Touch Screen
	Controller
							Control
Control Maximum 512 FCU							wiring

Control

wiring

Maximum 4 Intelligent server

			Maximum 8 Relay Interface
	Maximum 4 Energy Monitoring			I/F	RS-485	Local supply
						1 pulse/ kWh
		Relay Interface
						200-400 ms
			Energy Meter Relay Interface			Maximum 8 Power Meter
	Maximum 3 Input & 1 Output	More I/O
						4-6-3
	Fire alarm			I/F	Maximum 4 Digital I/O Relay Interface
	Door Key Entry ON/OFF
	Error code output		Digital I/O Relay Interface

Model Name		Model Name		Specification
Touch Screen controller		BMS-TP0640ACE		Max 64 FCU , without electrical bill calculation
(English version)		BMS-TP5120ACE		Max 512 FCU , without electrical bill calculation
		BMS-TP0640PWE		Max 64 FCU , with electrical bill calculation
		BMS-TP5120PWE		Max 512 FCU , with electrical bill calculation
Intelligent Server		BMS-LSV2E		Server in between Screen controller & control wiring
Intelligent Server Software		BMS-STCC01E		Installed to Intelligent Server
TCS-Net Relay Interface		BMS-IFLSV1E		I/F in between Intelligent server & control wiring
Energy Monitoring Relay Interface		BMS-IFWH3E		I/F for Power Meter
Digital I/O Relay Interface		BMS-IFDD01E		I/F for I/O signal
(1)	Monitoring air-conditioners	Operation status can be seen		according to a unit.
		Unit All building, All tenants, Each tenant, Each area, Each air-conditioning system
		Monitoring contents Operation and alarm status, Setting status for each air-conditioning system
(2)	Operating of air-conditioners	Master / individual control can be performed according to a unit.
		Operating contents ON/OFF, Operation setting operation mode, air volume,
		frap position, setting temp., inhibited setting from remote location
(3)	Schedule operation	Air-conditioners are operated according to set-up schedule / operation pattern.
		Schedule operation can be performed according to a unit.
		Operation pattern	Weekly pattern, special day pattern (4 pattern), No-work days pattern
(4)	Alarm list display	The present alarm contents are list-displayed.
		Display contents	Alarm contents, Unit number, Generated time
(5)	Alarm record display	The past alarm records are list-displayed.
		Display contents	Alarm contents, Unit number, Generated time
(6)	Monthly report data extraction	Monthly report data is written in "Compact Flash". Monthly report can be created according to
		a unit using monthly report software.
		Monthly report contents The number of ON/OFF, Operating time, Results of energy monitoring
(7)	Energy monitoring data extraction	Power consumption data is written in "Compact Flash". Energy monitoring can be performed
		according to a unit using energy monitoring software.
		Energy monitoring data Power consumption according to the power meter

21

1-9-2 LONWORKS

System diagram

Model

Reference

N o .

LON Center

• LON Gateway

LON Talk

TCB-IFLN****

• “1 : 1 model” connection

LON

interface

TCB-

TCB-

• • •

TCB-

Interfaces

IFLN060

TCB-PCNT30TLE

RAV-SM560KRT-E,

SM800KRT-E are not

Super MMS

* 1

available

<Indoor remote

controller>

•

Wired remote controller

"1:1 model"

RBC-AMT21E

Remote controller

connection interface

or

4-7-2

•

Simple remote controller

*1 TOSHIBA Digital Inverter System and Super Digital Inverter System

RBC-AS21E

The LONWORKS interface shall be connected between a building

management computer and the Super HRM and Super MMS system.

[LONWORKS Gateway]

■Command

•Operation : ON/OFF

• Mode

: Cool/Heat/Fan

•Temperature setting

•Center/Local

■Monitor

•Operation : ON/OFF

• Mode

: Cool/Heat/Fan/failure

•Temperature setting

•Room temperature

•Center/Local

22

1-9-3 Windows based central controller

System diagram

Model

Reference

N o .

• WINDOWS based

central controller

Personal computer on site

BMS-LSV**

• TCS-Net Relay Interface

BMS-IFLSV1E

• Intelligent server

Local server

BMS-LSV2E

BMS-STC01E

Relay Interface

•

Energy Monitoring

Relay Interface

Super MMS

* 1

BMS-IFWH3E

•

Digital I/O Relay

4-7-3

Interface

BMS-IFDD01E

•

“1 : 1 model” connection

interface

"1:1 model"

TCB-PCNT30TLE

Remote controller

connection interface

RAV-SM560KRT-E,

Energy monitoring relay interface

SM800KRT-E are not

Digital I/O relay interface

available

<Indoor remote

controller>

*1 TOSHIBA Digital Inverter System and Super Digital Inverter System

•

Wired remote controller

The local server shall be “Plug-in” into a customer’s personal computer.

RBC-AMT21E

•

Simple remote controller

RBC-AS21E

1-9-4 BACnet

System diagram

Model

Reference

N o .

BAC net center

• BACnet local server

BMS-LSV******

Local server

TCB-

• TCS-Net Relay Interface

BMS-IFLSV1E

TCS-Net

•

“1 : 1 model” connection

Relay Interface

interface

Super MMS

* 1

TCB-PCNT30TLE

RAV-SM560KRT-E,

4-7-4

SM800KRT-E are not

available

<Indoor remote

"1:1 model"

controller>

Remote controller

connection interface

•

Wired remote controller

RBC-AMT21E

*1 TOSHIBA Digital Inverter System and Super Digital Inverter System

• Simple remote controller The local server shall be connected under the BACnet network, and shall RBC-AS21E

be connected the Super HRM and Super MMS system through the interface.

(Note) For “1-9-1” to “1-9-4”, details of specification were not available at the time of publication. For further information (set up, adjustment), consult the sales subsidiary.

23

2

SYSTEM WIRING DIAGRAM

AND

CONTROL WIRING METHOD

2-1 Applicable model and connectable units

2-2 System wiring diagram

2-2-1 For VRF system only

2-2-2 For combined system with “1:1model” 2-3 Design of control wiring

2-4 Earth method of shield wiring

2-4-1 For VRF system only

2-4-2 For combined system with “1:1model” 2-5 General requirement for control wiring

24

2-1 Applicable model and connectable units

1)Applicable model

• VRF system ............... Super modular multi system (Super MMS)

Super heat recovery multi system (Super HRM)

• 1:1 model .................. Super digital inverter, Digital inverter

2)The number of connectable units

[1] For only VRF system

	Connected unit	No. of units	Note
1	Outdoor unit	Up to 16 units
	(Header unit)
2	Outdoor unit	Up to 3 units	In the same refrigerant system
	(Follower unit)
3	Indoor unit	Up to 64 units	• Max 64 units in case of group control*
			• Max. 48 units for one refrigerant system
4	Group control for	Up to 8 units
	indoor units
5	Central control	Up to 10 units	• Central remote controller
	device

* Follower indoor unit in a group control must be counted as one indoor unit.

[2] For combined system with Digital Inverter / Super Digital Inverter

	Connected unit	No. of units	Note
1	Outdoor unit	Up to 16 units
	(Header unit for
	VRF system)
2	Outdoor unit	Up to 3 units	In the same refrigerant system
	(Follower unit for
	VRF system)
3	Indoor unit	Up to 64 units	• Max. 64 units for total number of indoor units for both system.
			* For 1:1 model, follower indoor units of twin control and group
			control must not be counted.
			* For VRF system, Max. 48 indoor units in one refrigerant
			system.
4	Group control for	Up to 8 units
	indoor units
5	Central control	Up to 10 units	• Central remote controller
	device

*Max. 64 refrigerant system can be controlled for total number of VRF system and 1:1 model.

(However, for VRF system, up to 16 refrigerant system can be connectable.)

*“1:1 model” connection interface is connected to the indoor unit of 1:1 model.

25

2-2 System wiring diagram

2-2-1 For VRF system only

Central Control

Central Control

Refrigerant

Refrigerant

Refrigerant

Device

Device

System 1

System 2

System 3

U1 U2

U1 U2

Central control wiring

U3 U4

U3 U4

(Max.16 units can be connectable)

Note [4]

Note [3]

Header

Follower

Follower

Follower

Max. 10 central

Unit

Unit

Unit

Unit

control devices

26

U3U4

U3U4

U3U4

U3U4

U3U4

Outdoor Unit

U1U2

U5U6

U1U2

U5U6

U1U2

U5U6

U1U2

U5U6

U1U2

U5U6

Header

Unit

Central

Control

Device

U1 U2

U3 U4

Control wiring between outdoor units (Max. 4 units can be connected.)

Note [1]

Note [5]
U1U2	U1U2	U1U2	U1U2	U1U2
Indoor Unit
A B	A B	A B	A B	A B

U3U4 Header

Unit

U1U2U5U6

Note [2]

Control wiring Between indoor and outdoor units

Note [2]

U1U2 U1U2 U1U2

A B A B A B

Remote controller Wiring

Remote	Remote controller	Remote controller
Controller	Max. 48 indoor units can be connected	Group control operation
	in one refrigerant system	(Max. 8 units)
	Max. 64 indoor units for all refrigerant circuits

Note) [1] Don’t connect control wiring between indoor and outdoor units to several outdoor units.

(Outdoor unit to which control wiring between indoor and outdoor unit is connected becomes the header outdoor unit automatically.)

[2]Don’t connect control wiring between indoor and outdoor units to other refrigerant system.

[3]Connect central control wiring to the header outdoor unit.

[4]Connect central control devices to central control wiring.

[5]Central control devices can be also connected to control wiring between indoor and outdoor units.

Refrigerant

System 4

U3U4

U1U2U5U6

Header

Unit

U1U2

A B

Remote

Controller

2-2-2 For combined system with “1:1 model”

Central Control			Central Control			Refrigerant
						System 1
Device			Device
	U1 U2			U1 U2		Note [6]		Note [3]
	U3 U4			U3 U4

			“1:1 model” (Super digital Inverter,
VRF system				Digital Inverter)
Refrigerant		Refrigerant	Refrigerant		Refrigerant
System 2		System 3	System 4		System 5

Central control wiring : Max 64 refrigerant system for both VRF system and 1:1 model.

Max 16 refrigerant system for VRF system.

27

Max. 10 Central
control devices	Header
	Unit

Outdoor Unit

Central

Control

Device

U1 U2

U3 U4

Note [7]

Indoor Unit

Remote controller Wiring

		Follower	unit	Follower unit			Header
U3U4	U3U4	U3U4			U3U4	U3U4
							unit
U1U2 U5U6	U1U2 U5U6	U1U2 U5U6		U1U2 U5U6		U1U2 U5U6
							“1:1 model” connection
		Control wiring between outdoor units					interface (TCB-PCNT30TLE)			1 2 3
		(Max. 4 units can be connected.)
Note [2]	Note [1]					Control wiring
					Note [2]	between indoor
						and outdoor units
									Header
									unit
U1U2	U1U2	U1U2	U1U2		U1U2	U1U2	U1U2	U1U2	U3U4	1 2 3
A B	A B	A B		A B	A B	A B	A B	A B		A B

1 2 3

Follower unit

1 2 3

A B

				Remote
	Remote	Remote controller	Remote controller	controller
				Note [4] [5]
	Controller	Max 48 indoor units can be connected.	Group control operation
			(Max. 8 units)

Max. 64 indoor units for all refrigerant systems (Don,t count follower indoor units of group control and twin control of 1:1 model.)

Note) [1] Don’t connect control wiring between indoor and outdoor units to several outdoor units.

(Outdoor unit to which control wiring between indoor and outdoor units is connected becomes the header outdoor unit automatically.)

[2]Don’t connect control wiring between indoor and outdoor units to other refrigerant system.

[3]Connect central control wiring to the header outdoor unit.

[4]When “1:1 model” is controlled by central control devices, “1:1 model” connection interface is necessary.

[5]In case of twin control on 1:1 model, connect “1:1 model” connection interface to the header indoor unit.

[6]Connect central control devices to central control wiring.

[7]Central control devices can be also connected to control wiring between indoor and outdoor units.

* In case of 1:1 model, address re-setup is needed from wired remote controller. (For details, refer to “3-2-10”).

2-3 Design of control wiring

1.All control wiring is 2-core and non-polarity wire.

2.Be sure to use shield wire for the following wiring to prevent noise trouble.

• Outdoor-outdoor / indoor-indoor / outdoor-indoor control wiring, Central control wiring.

Control wiring between indoor and outdoor units (L1,L2,L3),
Central control wiring (L4)				Control wiring between outdoor units (L5)
Wiring	2-core, non-polarity			Wiring	2-core, non-polarity
Type	Shield wire			Type	Shield wire
Size	1.25mm2 : Up to 1000m			Size	1.25mm2~ 2.0mm2
Length	2.0mm2 : Up to 2000m	(*1)		Length	Up to 100m (L5)

Central Control			Note (1) : Total of control wiring length for all refrigerant systems	“1:1 model”
Device			( L1 + L2 + L3 + L4 )
				(Super digital Inverter,
	U1 U2		VRF system
				Digital Inverter)
	U3 U4

L4

Header

Header

Follower

Follower

Follower

Header

Follower

unit

unit

unit

unit

unit

unit

unit

U3U4

U3U4

U3U4

U3U4

U3U4

Outdoor unit

U3U4

U3U4

28

U1U2 U5U6

U1U2 U5U6

U1U2 U5U6

U1U2 U5U6

U1U2 U5U6

1 2 3

U1U2 U5U6

U1U2 U5U6

L1

L5

L2

L3

Indoor unit

U1U2

U1U2

U1U2

U1U2

U1U2

U1U2

U1U2

U3U4

1 2 3

A B

A B

A B

A B

A B

U1U2

A B

AB

AB

A B

L7

L6

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

Remote controller

Remote controller

1:1 model connection interface (TCB-PCNT30TLE)

2-4 Earth method of shield wiring

2-4-1 For VRF system only

Central control device

	U1 U2		Note [2]
	U2 U4
	(Open)					Central control wiring
						Follower unit	Follower unit
	Outdoor unit		U3U4	Header	U3U4	U3U4	U3U4
			U1U2 U5U6	unit	U1U2 U5U6	U1U2 U5U6	U1U2 U5U6
			Header
			unit
	Central control						Note [1]
	device
29
	U1 U2	Note [1]
	U3 U4
			Control wiring
			between
			indoor and
			outdoor units
	Indoor unit		U1U2		U1U2	U1U2	U1U2
			A B		A B	A B	A B
			Remote controller		Remote controller

Note [1]

Note [2]

Follower unit

U3U4	U3U4	U3U4
U1U2 U5U6	U1U2 U5U6	U1U2 U5U6

Control wiring between outdoor units

Note [1]

Note [2]

Note [1]

Note [1]

U1U2

U1U2

U1U2

U1U2

U1U2

A

B

A

B

A

B

A

B

A

B

Remote controller

Remote controller

Note) [1] Be sure to close (connect) the end of shield wires, and perform the functional grounding for the end of wires which are connected to both indoor and outdoor units.

[2]For the shield wires which are connected between the central remote controller and the outdoor units, perform the functional grounding at only one end of central control wiring. (Leave the other end of the wire at its final termination as an open wire.)

2-4-2 For combined system with “1:1 model”

30

Central Control
Device
U1 U2	Note [2]
U3 U4
(Open)			Note [1]			Central control wiring		Note [2]
				Follower unit	Follower unit	Follower unit
Outdoor unit	U3U4	Header	U3U4	U3U4	U3U4	U3U4	Header	U3U4
		unit					unit
	U1U2 U5U6		U1U2 U5U6	U1U2 U5U6	U1U2 U5U6	U1U2 U5U6		U1U2 U5U6

Header

	unit				Control wiring
					between	1 2 3
					outdoor units
Central Control			Note [1]	Note [1]
Device
U1 U2
U3 U4
Note [1]
	Control wiring
	between		Note [1]	Note [1]
	indoor and
	outdoor units
U1U2	U1U2	U1U2	U1U2	U1U2		U3U4 1 2 3
Indoor unit						U1U2
A B	A B	A B	A B	A B	1:1 model connection	A B
						A B
					interface
					(TCB-PCNT30TLE)

Remote controller

Remote controller

VRF system	1:1 model	VRF
	( Super digital inverter,	system
	Digital inverter )

Note) [1] Be sure to close (connect) the end of shield wires, and perform the functional grounding for the end of wires which are connected to both indoor and outdoor units.

[2]For the shield wires which are connected between the central remote controller and the outdoor units, perform the functional grounding at only one end of central control wiring. (Leave the other end of the wire at its final termination as an open wire.)