Fujitsu UTB-YCA Manual

UTB-YCA

UTB-GCA

CENTRAL REMOTE CONTROLLER

SETTING MANUAL

Before using this controller, please read this [SETTING MANUAL]

to ensure correct operation. Keep this manual for future reference.

CONTENTS

1. SAFETY PRECAUTIONS.............................................................. 2

2. SYSTEM OUTLINE ....................................................................... 3

2-1. SYSTEM OUTLINE............................................................................. 3

2-2. EXPLANATION OF TERMS ................................................................ 5

2-3. NAMES AND FUNCTIONS OF THE PARTS ...................................... 8

2-4. PRECAUTIONS WHEN SETTING THE SYSTEM ............................ 10

2-4-1. Priority of remote controller setting ......................................................... 10

2-4-2. Group information store .......................................................................... 10

3. SETTING ..................................................................................... 11

3-1. FLOW OF INSTALLATION ................................................................ 11

3-2. SETTING OPERATION..................................................................... 13

3-2-1. Turn on power ......................................................................................... 13

3-2-2. Initial setting ............................................................................................ 13

3-2-3. Clock setting ........................................................................................... 24

3-2-4. Group information store .......................................................................... 26

3-2-5. Test operation ......................................................................................... 28

4. ERROR DISPLAY........................................................................ 30

4-1. ERROR MONITOR ........................................................................... 30

4-2. ERROR CODES ............................................................................... 32

4-3. ALL CLEAR SWITCH........................................................................ 33

5. SPECIFICATIONS ....................................................................... 34

5-1. SPECIFICATIONS............................................................................. 34

5-2. DIMENSIONS ................................................................................... 34

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1. SAFETY

PRECAUTIONS

1. SAFETY PRECAUTIONS

• Before using CENTRAL REMOTE CONTROLLER, read this “SAFETY PRECAUTIONS” thor-

oughly to ensure the correct operation.

• This section discribes the important safety information to operate CENTRAL REMOTE CON-

TROLLER.

• The meanings of “WARNING” and “CAUTION” are explained as follows.

WARNING!

This mark indicate procedures which, if improperly performed, are most

likely to result in the death of or serious injury to the user or service per-

sonnel.

CAUTION! This mark indicates procedures, which might result in personal harm to

the user or damage to property if improperly performed.

WARNING!

• Do not attempt to install this controller by yourself.

• This controller contains no user-serviceable parts. Always consult authorized service per-

sonnel for repairs.

• When moving this controller, consult authorized service personnel for disconnection and

installation.

• If the problem (burning, smell, etc) occurs, turn off the electrical breaker immediately to

stop operation and then consult the authorized service personnel.

• If the power supply cord becomes damaged, contact your service representative for in-

struction.

CAUTION!

• Do not expose the controller directly to water.

• Do not operate the controller with wet hands.

• Do not touch the switches with sharp objects.

• Always turn off the electrical breaker whenever cleaning the controller, the air conditioner

or the air filter.

• Ensure that all electronic equipment is at least one meter away from the controller.

• Avoid installing the controller near a fireplace or other heating apparatus.

• When installing the controller, take precautions to prevent access to infants.

• Do not use inflammable gases near the controller.

• At the time of installation, always provide a breaker for electrical leakage.

• Always use fuses with the proper capacity and type.

2. SYSTEM OUTLINE

2-1. SYSTEM OUTLINE

Please consult your sales representative when two or more central remote controllers need to be

installed in one system.

• What is the central remote controller?

The central remote controller allows all the stored remote controller groups (the indoor units) to

be controlled from a remote location.

(Refer to “2-3. EXPLANATION OF TERMS 1” for details about remote controller groups.)

• Three functions of the central remote controller

• CENTRAL CONTROL

The central control provides management of the remote controller groups (the indoor units).

This includes placing restrictions on the standard remote controllers or performing memory op-

eration for easily reproducing operating conditions that have been saved.

• OPERATION CONTROL

The operation control provides a controlled operation (such as the to stop operation) of the stored

remote controller groups (the indoor units) in the same manner as the standard remote control-

ler.

• TIMER CONTROL

The timer control allows the starting and stopping of stored remote controller groups and indoor

units through the timer functions in the central remote controller. These timer functions include:

the off timer, on timer 1, on timer 2 and weekly timer.

Refrigeration

system 1

Controller line

3 4W 50Hz 380 - 415V

1 50Hz

220 - 240V

1 50Hz

220 - 240V

Transmission line

Central remote

controller

Group

Remote Controller Group

Indoor unit

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2. SYSTEM OUTLINE

• Three control methods of the central remote controller

• Individual control

Provides control for each respective remote controller group.

• Group control

Provides control for each group which is made up of single or multiple previously set remote

control groups.

(Refer to “2-3. EXPLANATION OF TERMS” for details about groups.)

• All control

Provides control for all remote control groups that haven been stored in the central remote con-

troller.

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2. SYSTEM OUTLINE

2-2. EXPLANATION OFTERMS

■Controller related items

Remote Controller group:

This is the control unit of indoor units that have been connected with one controller line

as well as the control unit of a single indoor unit that has not been connected with any

controller line.

These two kinds of control units are the smallest unit controlled by central remote con-

troller, and are called a remote control group.

Group:

This is a control unit comprised single or multiple remote control groups.

All:

This is a control unit of all remote control groups that have been stored in the central

remote controller.

Refrigerant system:

This is a system that is composed of indoor units, outdoor unit as well as those of

relevant control equipment.All of the units and the equipment are connected with pipes

with the same refrigerant.

Transmission line

Outdoor unit

Remote controller group Group

Refrigerant

system

System

All

Controller line

Indoor

unit

Central remote

controller

Wired remote

controller Wireress remote

controller

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2. SYSTEM OUTLINE

System:

This is all of the indoor units, outdoor unit as well as those of relevant control equipment

(central remote controllers, standard remote controllers) that are connected with the

same communication cable.

■Address related items

Remote controller address (0~15):

This is the ID individually assigned to the indoor units forming each remote control

group and is used for control.

Group number (0~63):

This is the ID individually assigned to each group and is used for control.

Indoor unit address (0~15):

This is the ID individually assigned to each indoor unit and is used for control.

Refrigerant system address (0~99):

This is the ID individually assigned to each refrigerant system and is used for control.

Central remote controller address (0~15):

This is the ID individually assigned to each central remote controller and is used for

control.

Remote address

Group address

Indoor unit address

Refrigerant system

address

Central remote

controller address

01 2

00 0

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2. SYSTEM OUTLINE

Central control number (0~339):

These are the numbers by which the control of the indoor units is performed.

Each number that appears on the LCD of the central remote controller is the number that

has been assigned individually to a remote control group to be controlled and has been

stored in the central remote controller.Refer to the SETTING MANUAL for specific details.

One central control number indicates

one remote control number.

CHECK

ACL MASTER

ENERGY ANTI

FAN

TIMER

SET

TIMER

DELETE

TIMER

DAY

CLOCK

ADJUST

DAY OFF

TEMP.

MEMORY

OPERATION

MEMORY TEST

SET

CENTRAL

DELETE

BACK

GROUP

ZONE

ON OFF

TIME

CONTROL

FILTER

RESET

CONTROL

FREEZE

COPY

TIMER

MODE SAVE

SETTING SETTING

HEAT

[FIXED]

HEAT

[FIXED]

HEAT

[FIXED]

Cooling operation

Heating priority setting

Cooling / Heating priority:

When a HEAT PUMPTYPE operating system is used, the system can only be performed

in one of two operation modes (cooling / heating) for single refrigerant system. When an

indoor unit in the system first starts an heating operation, the system is then in “heating

priority”.This means the system will refuse a command for changing the operation mode.

On the other hand, when an indoor unit in the system first starts a cooling operation, the

system is then in“cooling priority”.The system will refuse to change to any other operation

mode, except for the drying operation.

will appear on the LCD when the indoor units associated with the selected

central control number exists in cooling / heat pump type refrigerant system.

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2. SYSTEM OUTLINE

2-3. NAMES AND FUNCTIONS OF THE PARTS

CENTRAL CONTROL NUMBER

]Visible numbers represent the central control numbers that have been stored. An error will

cause the relevant central control number to flash.

^Cursor: To be used in order to select the central control number. It flashes when the filter need

to be cleaned or exchanged.

aVisible under lines distinguish the operating indoor units from all indoor units.

bPage cursor: To show the current page.

cVisible page numbers inform that there are some central control numbers in the page. An error

will cause the relevant page number to flash.

dVisible under lines inform that at least one indoor unit which is stored in this page is now

operating.

CHECK

ACL

TIMER

SET

TIMER

DELETE

CLOCK

ADJUST

MEMORY

OPERATION

TEST

SET

DELETE

BACK ZONE TEMP.TIME FAN

CONTROL

CENTRAL

CONTROL

MASTER

CONTROL

ANTI

FREEZE

FILTER

RESET

TIMER

COPY

TIMER

MODE

DAY

DAY OFF

ENERGY

SAVE

ON OFF

MEMORY

SETTING

GROUP

SETTING

781 9 0 BC Q R S

[

XWPON

DLIHF65 G K Y

TIMER CONTROL

AREA

OPERATION

CONTROL AREA

CENTRAL CONTROL AREA

]

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