Mitsubishi PAC-SC30GRA Installation Manual
Mitsubishi Electric Building
Air Conditioning Control System
Group remote controller
PAC-SC30GRA
CENTRALLY CONTROLLED
CHECK
COLLECTIVE
GROUP
ADDRESS
ON
OFF
˚C
NOT AVAILABLE
GROUP
˚C
FILTER
CHECK MODE
TEST RUN
ON/OFF
GB
D
F
NL
I
E
INSTRUCTION BOOK
Carefully read this book before use. It is recommended to safe keep this book for future reference.
ANWEISUNGSHANDBUCH
Vor Benutzung der Anlage dieses Buch sorgfältig durchlesen. Es wird empfohlen, dieses Buch zum Nachschlagen an einem sicheren Ort aufzubewahren.
MANUEL D’UTILISATION
Lire attentivement le présent manuel avant toute utilisation et le conserver dans un endroit sûr pour pouvoir le consulter ultérieurement.
INSTRUCTIEHANDLEIDING
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LIBRETTO ISTRUZIONI
Leggere attentamente questo libretto prima dell’uso. Si raccomanda di tenerlo in un luogo sicuro per ogni futura necessità.
LIBRO DE INSTRUCCIONES
Lea cuidadosamente este libro antes de usar el temporizador. Le recomendamos que guarde el libro en lugar seguro en previsión de consultas futuras.
CONTENTS Page
1. Safety precautions ................................................................................................ 2
2. Functions .............................................................................................................. 4
3. The names of indicators and their functions ......................................................... 6
4. Operations ............................................................................................................ 8
5. Filter sign reset ................................................................................................... 12
6. When malfunction occurred ................................................................................ 12
7. Initial settings ...................................................................................................... 13
8. Functions during start-up and servicing ............................................................. 24
9. Specifications ..................................................................................................... 27
Symbols and Terms ..................................................................................... 2
Specific Precautions.................................................................................... 3
4-1. Operation settings by group ........................................................................ 8
4-2. Collective operation settings ....................................................................... 9
4-3. Adjusting each function ............................................................................. 10
7-1. Setting the master controller ..................................................................... 13
7-1-1. Group settings ............................................................................. 14
7-1-2. Interlocked setting........................................................................ 18
7-1-3. Canceling the initial setting mode ................................................ 23
7-1-4. Collective deletion........................................................................ 23
7-2. Setting the slave controller........................................................................ 23
8-1. Self-diagnosis............................................................................................ 24
8-2. Malfunction history monitoring function ..................................................... 26
Specifications for this equipment............................................................... 27
1. Safety precautions
Please take a moment to review these safety precaution. They are provided for your protection and to
prevent damage to the controller.
This safety information applies to all operators and service personnel.
After you have read this manual, always observe the procedures described in the explanations and store
it with the installation manual in a location that is easy to find. If the controller is going to be operated by
another person, make sure that this manual is given to him or her.
Symbols and Terms
WARNING Statements identify condition or practices that could result in personal injury or loss of life.
CAUTION
Statements identify condition or practices that could result in damage to the controller or other
property.
2
Specific Precautions
WARNING
■ Ask your dealer or technical representative to install.
• If incorrect installation is done by a customer, it may cause an electric shock, fire, etc.
■ Securely install in a place which can withstand the weight of the controller.
• If it is not enough, the controller may drop and cause an injury.
■ Make sure that the controller is connected to a rated power supply.
• If the controller is not connected to a rated power supply, it may cause a fire or damage to the controller.
■ Never remove the cover during operation.
• Touching the charging parts of the controller may cause severe burns or other personal injury.
■ Stop the operation if any malfunction occurs.
• If malfunction occures (burning smell, etc.) stop the operation and turn off the power supply. Contact the your
dealer or technical representative immediate. If the controller continues to operate after a malfunction occurs, this
may cause damage, electric shock or fire.
■ Do not move and re-install the controller by yourself.
• If installation is incorrect, it may cause an electric shock, fire, etc. Ask your dealer or technical representative.
■ Contact your dealer if the controller will not be used any more or will be scrapped.
■ Do not remodel or repair by yourself.
• If the controller is remodeled or repair is not correct, it may cause an electric shock, fire, etc.
Consult your dealer if repair are necessary.
■ Stop the operation immediately and notify the your dealer if an error code is displayed or malfunction occurs.
• Fire or damage may cause it the controller is operated in this condition.
CAUTION
■ Do not install the controller in a place where inflammable gas could leak.
• If gas leaks and collects around the controller, it may cause a fire or explosion.
■ Do not wash the controller with water.
• It may cause an electric shock or malfunction.
■ Do not touch the switch with wet hands.
• It may cause an electric shock.
■ Do not use the controller for special applications.
• This product is designed for use with the MITSUBISHI ELECTRIC BUILDING AIR CONDITIONING CONTROL
SYSTEM. Do not use the system for other air condition management operation or applications. It may cause
malfunctions.
■ Do not apply insecticide or flammable sprays to the controller.
• Do not place flammable spray near the controller and make sure it does not blow directly on the controller as this
may cause in fire.
■ Do not use the controller in special environments.
• The performance may be reduce or parts may be damaged if the controller is used in locations subject to large
quantities of oil (including machine oil), steam, sulfide gas.
■ Do not touch the switches with sharp objects.
• It may cause an electric shock or malfunction.
■ Operate the controller within the specified temperature range.
• Observe the specified temperature range when operating the controller. If the controller is used outside the
specified temperature range, it may cause serious damage. Be sure to check the operation temperature range in
the operation manual.
■ Do not pull or twist the transmission line.
• It may cause a fire or malfunction.
■ Do not dismantle the unit.
• It is dangerous to touch the internal circuit board. It may cause a fire or malfunction.
■ Do not clean the unit using benzene, thinner or other chemicals.
• It may cause discoloration or other damage. If the unit should become particularly dirty, apply a mild cleaner that
has been diluted with water to a soft cloth and wipe the unit clean. Be sure to wipe away any residual moisture
with a dry cloth.
GB
3
2. Functions
• This unit can control a maximum of 16 air conditioner units. The operation listed below are also
possible.
<List of group remote controller functions>
Item Specification
ON/OFF ON/OFF operations for the collective or each group.
Operation mode Switches between cool/dry/fan/auto/heat for the collectiv e or each group.
Fan speed
Temperature setting
Opera-
tions
Horizontal blow
Air direction/swing Operates the vertical fan and swing fan for the collective or each group .
Ventilation operation
Timer operation
Filter reset
Collective operation The overall status lamps display condition of the collective status.
User operating function
Monitor-
Opera-
Monitor
System
Initial setting functions
Each group operation
Operation mode
Fan speed
Temperature settings
Horizontal blow
Air direction/swing
ing
Ventilation operation
Timer operation
Filter sign
Prohibition
Malfunction
Group settings
tions
Interlocked settings
Malfunction history Displays the history of the ten malfunctions.
Master system
controller/slave
system controller (*1)
Group remote
controller’s address
Switches between high /low for the collective or each group (switches
the fan speed through four stages from 1 to 4)
Sets the temperature for the collective or each group.
Range of
temperature settings
Starts and stops horizontal blow operations for the collective or each
group.
Switches the interlocked ventilation unit between stop/high/low for the
collective or each group.
Switches between activating and suspending scheduled oper ations that
use a program timer (sold separately) for the collective or each group.
Resets the filter sign after the filter has been cleaned for the collectiv e or
each group.
Liquid crystal display
Displays the unit address of the malfunction unit and the error code on
the liquid crystal display
Performs the group settings for the unit (indoor unit, remote controller,
slave system controller)
Perf orms the interlocked settings f or fresh masters and other v entilation
unit.
Master and slave settings for the system controller.
Address setting for the group remote controller.
Cool/Dry operations : 19 °C to 30 °C
Heat operations : 17 °C to 28 °C
Auto operations : 19 °C to 28 °C
4
Item Specification
Indoor unit Maximum 16 (maximum 8 groups)
Number of indoor
units in one group
Number
of control
System control
Number of remote
controllers in one group
Number of system 0 to 4 (including the number of remote controller in one group)
unit
controllers in one group 0 to 3 for which have one remote controller.
Number of indoor units
interlocked with one
ventilation unit.
0 to 16
0 to 2
0 to 16 (some type of ventilation unit can be only operate when interlocked to a maximum of 9 units)
*1 Master system controllers and slave system controller
Management range of
PAC-SC30GRA
Unit
Management range of the
master system controller
Management range
of PAC-SC30GRA
Unit Unit
GB
When using a system consisting only of PACSC30GRA.
PAC-SC30GRA is set as the master system
controller. In this case, the group settings are
performed with PAC-SC30GRA.
When using a system where PAC-SC30GRA is
controller by a different system controller.
PAC-SC30GRA is set as the slave system
controller. In this case, the group settings are
not performed with PAC-SC30GRA.
NOTE: It is not possible to set the master and slave settings with more than one group remote
controller and control the same groups. Also, the groups listed below cannot be set.
• Unit group which are not under the management of the master controller and are managed by the
slave system controller.
Master system
controller
Group Group
Slave system
controller
Group
• A common group is managed by more than two master controllers.
Master system
controller 1
Group
Master system
controller 2
GroupGroup
• A slave system controller which exceeds the management range of the master system controller of
two or more.
Master system
controller 1
Slave system controller
Master system
controller 2
Group GroupGroupGroup
5
3. The names of indicators and their functions
DEFGHI
C
B
A
CENTRALLY CONTROLLED
COLLECTIVE
GROUP
ON
˚C
2 3456
1
TEMP.
GROUP
REMOTE CONTROLLER
PAC-SC30GRA
A COLLECTIVE SETTINGS/INDIVIDUAL GROUP
SETTINGS DISPLAY:
COLLECTIVE is displayed when entering the same
settings for multiple groups.
GROUP is displayed when entering varying settings for
individual groups.
B OPERATION MODE DISPLAY:
Displays the current operating mode.
C CENTRALLY CONTROLLED DISPLAY:
Indicates when operation of group remote controller is
prohibited by the master controller.
D TEMPERATURE SETTING DISPLAY:
Displays the current temperature setting.
E ON/OFF DISPLAY FOR INDIVIDUAL GROUPS:
Displays whether a group’s operations have been
stopped by showing a “s” mark in the operation status
display for each individual group.
F FAN SPEED DISPLAY:
Displays the current fan speed.
G AIR DIRECTION DISPLAY:
Displays the current direction of airflow.
H ROOM TEMPERA TURE DISPLAY :
Indicates the room temperature of the group currently
being displayed (will blink when the temperature is
outside the range of 8°C to 39°C).
I HORIZONTAL BLOW DISPLAY:
Displays the operations of the horizontal blow. Not
displayed when operations are stopped.
OFF
ON/OFF
NOT AVAILABLE
GROUP
ON/OFF
˚C
FILTER
FILTER
CHECK
TEST RUN
J
K
78
9
0A
J TIMER OPERATION DISPLAY:
Displayed when a PROGRAM TIMER (sold separately)
is installed and the TIMER MODE is set.
K FILTER SIGN DISPLAY:
Blinks when the filter requires cleaning. Also the
GROUP SELECTION DISPLAY “s” of the specified
group will blink.
L OPERATIONAL STATUS DISPLAY BY GROUP:
ON: Run OFF: Stop BLINKING: Malfunction
M GROUP SELECTION DIPLAY: s
Displays the position of the selected group. All
registered groups are displayed on the collective
operation setting screen.
N VENTILATION DISPLAY:
Displays the operating condition of the ventilation unit
(if a ventilation unit has been installed).
O NOT AVAILABLE DISPLAY:
Blinked together with the relevant function when a
function switch has been pressed for a unit that is not
equipped with the function.
P OVERALL STATUS LAMP:
The lamp indicates the unit operation condition.
ON: One or more group(s) run.
OFF: All groups stopped. BLINKING: Malfunction.
6
M
L
CENTRALLY CONTROLLED
COLLECTIVE
GROUP
ON/OFF
ON
OFF
˚C
GROUP
NOT AVAILABLE
˚C
FILTER
P
N
O
B
GB
C
1 OPERATION MODE SWITCH:
Used to switch between Cool/Dry/Fan/Auto/Heat.
2 TEMPERATURE SETTING SWITCH:
Used for changing the temperature setting. Setting
changes are possible in increments of 1°C.
3 ON/OFF SWITCH:
Used to switch between ON/OFF for the group
indicated on the group selection display.
4 FAN SPEED SWITCH:
Used to switch fan speeds.
5 AIR DIRECTION SETTING SWITCH:
Used to adjust the vertical direction of the blow.
6 FILTER SIGN RESET SWITCH:
Used to reset the filter sign.
7 HORIZONTAL BLOW SWITCH:
Used to switch between start and stop for the
horizontal blow.
8 VENTILATION SETTING SWITCH:
Used for changing the operation settings of the
ventilation unit (if a ventilation unit has been installed).
Possible changes to the operation settings of the
ventilation unit include OFF/ON (low) or ON (high).
It is possible to operate only the ventilation units by
pressing this switch when the air-conditioners are not
operating.
9 CHECK/TEST RUN SWITCH:
Used only during inspections and test run operations.
Not to be used during normal operations.
0 GROUP SELECT SWITCH:
Used to call out the group and collective operation
setting screens to perform the various settings.
G 1
G 2 G 3 G 4
G 5 G 6 G 7 G 8
COLLECTIVE OPERATION
SETTING SCREEN
“Group” is abbreviated as “G”.
A EXTERNAL TIMER SWITCH:
Allows you to select the TIMER MODE when a
PROGRAM TIMER (sold separately) has been
installed.
B COLLECTIVE ON/OFF SWITCH:
Allows you to operate and turn off the air conditioners
for all groups at once.
All groups will commence operations when operations
for all groups are stopped.
Operations for all groups stopped when one or more
groups are operating.
C ON/OFF SWITCH BY GROUP:
Run and stop operations by each group.
7
4. Operations
4-1. Operation settings by group
(1) With the cover closed: (2) With the cover open:
CENTRALLY CONTROLLED
CHECK
COLLECTIVE
GROUP
ADDRESS
ON/OFF
ON
˚C
˚C
OFF
GROUP
FILTER
CHECK MODE
TEST RUN
NOT AVAILABLE
CENTRALLY CONTROLLED
CHECK
COLLECTIVE
GROUP
ADDRESS
TEMP.
ON
OFF
˚C
NOT AVAILABLE
ON/OFF
1
GROUP
REMOTE CONTROLLER
PAC-SC30GRA
GROUP
ON/OFF
˚C
GROUP
FILTER
CHECK MODE
TEST RUN
FILTER
CHECK
TEST RUN
(1) With the cover closed:
1 The start and stop functions of the air conditioners for each group can be controlled using the
ON/OFF switch by group.
(2) With the cover open:
1 Use the GROUP select switch to call the group that you want to set. (GROUP SELECTION
DISPLAY: The position of the “s” will change. Groups of air conditioners that ha ve not been
registered will be skipped.)
G 1
G 2 G 3 G 4
COLLECTIVE OPERATION
SETTING SCREEN
2
1
G 5 G 6 G 7 G 8
“Group” is abbreviated as “G”.
2 Controlling the items that you want to adjust
• If the selected group is not in operation, press the ON/OFF switch to start operation.
• Press the switch that you want to adjust (OPERATION MODE, TEMPERATURE SETTING,
FAN SPEED, AIR DIRECTION SETTING, HORIZONTAL BLOW, VENTILATION SETTING and
EXTERNAL TIMER SETTINGS).
(For detailed explanations on how to adjust each feature, refer to 4-3.)
• If the registered group contains air conditioners that are not equipped with the FAN SPEED,
AIR DIRECTION SETTING, HORIZONTAL BLOW, VENTILATION SETTING and EXTERNAL
TIMER SETTINGS, the message “NOT AVAILABLE” will blink to indicate that the setting is not
supported.
8
4-2. Collective operation settings
(1) With the cover closed: (2) With the cover open:
CENTRALLY CONTROLLED
CHECK
COLLECTIVE
GROUP
ADDRESS
ON/OFF
ON
˚C
˚C
OFF
GROUP
FILTER
NOT AVAILABLE
CHECK MODE
TEST RUN
1
CENTRALLY CONTROLLED
CHECK
COLLECTIVE
GROUP
GROUP
REMOTE CONTROLLER
PAC-SC30GRA
ADDRESS
TEMP.
ON
OFF
˚C
NOT AVAILABLE
ON/OFF
GROUP
ON/OFF
˚C
GROUP
FILTER
CHECK MODE
TEST RUN
FILTER
CHECK
TEST RUN
(1) With the cover closed:
1 The start and stop functions of the air conditioners for all groups can be controlled using the
collective ON/OFF switch. (This collective ON/OFF function can be operated when the UPPER
PANEL is open as well.)
(2) With the cover open:
1 Call the COLLECTIVE OPERATION SETTING SCREEN using the GROUP select switch (the
screen in which all indicators are blinking).
[COLLECTIVE OPERATION SETTING SCREEN]
G 1
G 2 G 3 G 4
G 5 G 6 G 7 G 8
COLLECTIVE OPERATION
SETTING SCREEN
CENTRALLY CONTROLLED
CHECK
COLLECTIVE
GROUP
ADDRESS
ON
OFF
˚C
NOT AVAILABLE
“Group” is abbreviated as “G”.
GROUP
˚C
2
1
FILTER
CHECK MODE
TEST RUN
GB
2 Controlling the items that you want to adjust
• Press the switch that you want to adjust (OPERATION MODE, TEMPERATURE SETTING,
FAN SPEED, AIR DIRECTION SETTING, HORIZONTAL BLOW, VENTILATION SETTING and
EXTERNAL TIMER SETTINGS).
(For detailed explanations on how to adjust each feature, refer to 4-3.)
• Indicators will stop blinking but will remain lit as the settings are entered for all groups.
• If you do not want to adjust a particular setting for all groups, leave it as is (so that it continues
to blink). The previous setting that was used will continue to be enabled.
9
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