Mitsubishi Heavy Industries SC-SL4-BE3 User manual

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ͲŵĂƌŬĞƌŝŶŐŝƐǀĂŶƚŽĞƉĂƐƐŝŶŐŽƉŚĞƚŐĞďŝĞĚŵĞƚĞĞŶŶĞƚƐƚƌŽŽŵ
ǀĂŶϱϬ,nj 202212
PJZ012A223
dŚŝƐƉƌŽĚƵĐƚĐŽŵƉůŝĞƐǁŝƚŚĨŽůůŽǁŝŶŐĚŝƌĞĐƟǀĞƐ
EU GB
DϮϬϭϰϯϬh  D^/ϮϬϭϲϭϬϵϭ
>sϮϬϭϰϯϱh  Z^/ϮϬϭϲϭϭϬϭ
ZŽ,^ϮϬϭϭϲϱh  ZŽ,^^/ϮϬϭϮϯϬϯϮ
ĂŶĚh<ŵĂƌŬŝŶŐƐĂƌĞĂƉƉůŝĐĂďůĞƚŽƚŚĞĂƌĞĂƐŽĨϱϬ,njƉŽǁĞƌƐƵƉƉůLJ
SC-SL4-AE3, SC-SL4-BE3
SC-SL4-AE3, SC-SL4-BE3
SC-SL4-AE3, SC-SL4-BE3
SC-SL4-AE3, SC-SL4-BE3
SC-SL4-AE3, SC-SL4-BE3
SC-SL4-AE3, SC-SL4-BE3
SC-SL4-AE3, SC-SL4-BE3
SC-SL4-AE3, SC-SL4-BE3
SC-SL4-AE3, SC-SL4-BE3
SC-SL4-AE3, SC-SL4-BE3
SC-SL4-AE3, SC-SL4-BE3
SC-SL4-AE3/1
SC-SL4-BE3/1
33

– 1 –
Thank you for purchasing Central Control SC-SL4-AE3, SC-SL4-BE3 from
Mitsubishi Heavy Industries, Ltd.
Before using the product, read this user’s manual thoroughly to ensure you learn
how to operate it correctly. After reading this manual, store it in a safe location
for future reference. It will be helpful to reference this manual should you have
any questions or problems. Also read the user’s manual attached to the air
conditioner, hydro module units or heat pump water heaters.
ENGLISH
❚PRECAUTIONS FOR WASTE DISPOSAL
Your central control may be marked with this symbol. It means that waste electrical and electronic
equipment (WEEE as in directive 2012/19/EU) should not be mixed with general household waste.
Central control should be treated at an authorized treatment facility for reuse, recycling and recovery and
not be disposed of in the municipal waste stream. Please contact the installer or local authority for more
information.
This symbol printed in the batteries attached to your central control is information for end-users according
to the EU directive 2006/66/EC article 20 annex II.
Batteries, at their end-of-Iife, should be disposed of separately from general household waste.
If a chemical symbol is printed beneath the symbol shown above, this chemical symbol means that the
batteries contain a heavy metal at a certain concentration. This will be indicated as follows:Hg:mercury
(0.0005%), Cd:cadmium (0.002%), Pb:lead(0.004%)
Please, dispose of batteries correctly at your local community waste collection or recycling center.
Table of contents
■Introduction .......................................................................................................... 2
Outline of the System........................................................................................... 2
PC Environments ................................................................................................. 2
Connection ........................................................................................................... 3
Initial Settings of the PC....................................................................................... 3
■Operation ............................................................................................................. 4
Logging In ............................................................................................................ 4
Operations Common to All Screens..................................................................... 5
Monitoring and Setting ......................................................................................... 5
Change All.......................................................................................................... 17
Schedule Setting ................................................................................................ 17
Operation Time History ...................................................................................... 28
Energy Consumption History (SC-SL4-BE3 only).............................................. 29
Hot Water Amount History.................................................................................. 30
Operator Menu ................................................................................................... 31
Log out ............................................................................................................... 37
■Using MAINTENANCE MENU ........................................................................... 38
Operation Data Monitoring................................................................................. 38
■Troubleshooting ................................................................................................. 39

– 2 –
Introduction
This web monitoring system monitors and operates air conditioner, hydro module units or heat pump water
heaters connected to Central Control SC-SL4-AE3 or SC-SL4-BE3 (hereafter called “SL4”) from a web browser
on your PC.
Also, please refer to the User’s Manual of the SL4 central control.
Outline of the System
The following figure shows the basic system configuration. The SL4 central control connected to the unit is
linked directly to the monitoring and operating PC.
The web monitoring system can monitor and operate the unit by the group. It cannot monitor and operate the
units by the block.
The block settings must be configured in the SL4 central control unit.
Unit
1
Central
control
R
R
R
R
R
R
Unit
17
Unit
2
Unit
18
Unit
4
Unit
20
Group 1
Group P +1
Group 2
Block 2
Group P
Group Q
Unit
3
Unit
19
Unit
5
Unit
21
Block 1
Monitoring and operating PC
Ethernet 10BASE-T or 100BASE-TX
Connection via a hub or direct connection
Unit
P
Unit
30
• A maximum of 16 units can be set up in one group.
• Do not use one remote controller for different groups of units.
• A maximum of 12 groups can be set up in one block.
• A maximum of 20 blocks can be set up.
Unit
1
R
Unit
2
Unit
4
Group 1 Group 2
Unit
3
R: Remote controller
PC Environments
• Specifications of PC
The PC to be used with this product is not provided with the system. You must prepare it separately.
The following describes the minimum performance requirements for the PC.
• CPU clock : Pentium 500 MHz or higher (2 GHz or higher is recommended)
• Memory : 512 MB or more (1 GB or more is recommended)
• Screen resolution : 1280 x 1024 or higher (1366 x 768 is recommended)

– 3 –
• Operating System and Web Browser
The following table shows the supported combinations of operating systems and web browsers.
If you want to use other combinations, contact your dealer.
OS Google Chrome Microsoft Edge
Windows®10 
Windows®11 
: Can be used
* Restart Web Browser regularly.
* Windows is the registered trademarks of Microsoft Corporation in the United States and/or other countries.
Connection
• Connecting to Dedicated Ethernet
Directly connect this product to your PC using a 10BASE-T or 100BASE-TX ethernet cable.
If you are using a hub, do not connect other devices to the hub.
• Connecting to the Internet or an Intranet in the Building
If you want to connect this product to the Internet or an intranet (office LAN) within the building, contact your
dealer. This is a charged service.
Initial Settings of the PC
• Settings for Dedicated Ethernet
Communication settings (TCP/IP settings) must be configured for the monitoring and operating PC.
Refer to the user’s manual of the PC for details.
To use this product with the factory default IP address, configure the following settings in the PC:
• IP address Between 192.168.0.1 and 192.168.0.254
(excluding 192.168.0.120 as the address is used by the SL4 central control)
• Subnet mask 255.255.255.0
• Default gateway Not applicable
• Preferred DNS server Not applicable
• Alternate DNS server Not applicable
• Settings for the Internet or an Intranet in the Building
Contact your dealer. This is a charged service.
• Browser Settings
Using default settings is recommended.
For information about connecting to the Internet or an intranet within the building, contact your dealer.

– 4 –
Operation
Note
• The screens in this manual may differ from the actual screens.
Logging In
LOGIN screen is the startup page of the web monitoring system. To display the login screen, enter the URL of
the web monitoring system from the web browser of your PC.
1. Start the web browser of the PC.
2. Type the following URL into the address bar, and press the Enter key.
http://192.168.0.120/
(If you have changed the IP address of this product, type in the new IP address instead of 192.168.0.120.)
2
3
4
LOGIN screen
3. Type in the ID and PASSWORD.
The user allowed to log in and operate the web monitoring system is authenticated based on the ID and
password.
* The factory default ID and password are set to the following values. The ID and password can be changed
on the operator’s ID/PASSWORD setting screen. page 35
[ID] : OPERATOR
[PASSWORD] : 999999
4. Click the LOGIN button.
Note
• Each group user has each ID and password. page 34
• Group user can monitor and operate groups registered in the group user. (Except some functions)

– 5 –
Operations Common to All Screens
1. Selecting each screen
From the menu bar at the top of the screen, click the link to the screen name you want to use. The selected
screen appears. The links to screens can be used on all screens.
The following lists the screens available in this product.
[Screen list]
• MONITORING page 6
• CHANGE ALL page 17
• SCHEDULE SETTING page 17
• HISTORY page 28
• OPERATOR MENU page 31
• MAINTENANCE MENU page 38
Monitoring and Setting
The Monitoring screen automatically updates the information every 30 seconds. Depending on the status of
network or performance of PC, it may take several seconds to complete the information update process.

– 6 –
■Monitoring all groups list
After logging in, the MONITORING (ALL GROUPS LIST) screen appears.
1
7 7
7
MONITORING (ALL GROUPS LIST) screen
The ALL GROUPS LIST screen centrally monitors the status of all target groups in the group type, and displays
the group names and operating status icons for the registered groups.
To change a group type, click above “7”.

– 7 –
■Monitoring group list
1. Click GROUP LIST from the menu bar (MONITORING), or LIST button on the MONITORING (BLOCK LIST)
screen.
2
77
7
MONITORING (GROUP LIST) screen
2. Select a block.
To change a group type, click above “7”.
■Monitoring block layout
1. Click BLOCK LAYOUT from the menu bar (MONITORING), or LAYOUT button on the MONITORING
(GROUP LIST) screen.
2
MONITORING (BLOCK LAYOUT) screen

– 8 –
2. Select a block.
[Types and indications of operating status icons]
Running state : At least one unit is running in the target group.
Paused state : All units have paused in the target Q-ton group.
Stopped state : All units have stopped in the target group.
Error state : One or more units in the target group are malfunction.
Communication error : One or more units in the target group cannot be monitored.
Home leave running state : At least one unit is running for home leave in the target group.
Home leave stopped state : All units have stopped and at least one units status is home leave
in the target group.
3. Changing Settings of a group
Click a group name on the ALL GROUPS LIST screen, BLOCK LAYOUT screen or GROUP LIST screen.
4
5
CHANGE GROUP screen
This screen enables you to check the operating status and change settings of a selected group. The operating
status of a selected group is displayed on the left side of the screen. This screen does not automatically update
the operating status.
Note
When setting the temperature with SL4, disable the automatic setting of the remote control.
<For air conditioner group ( page 32)>
The following items can be viewed and configured. The displayed information other than run/stop and filter sign
is about the air conditioner specified as representative. (For the settings of representative unit. page 31.)
[RUN/STOP]
RUN, STOP, HOME LEAVE ON, HOME LEAVE STOP
RUN : The operation starts
STOP : The operation stops
HOME LEAVE ON : Home leave operation starts
HOME LEAVE OFF : Home leave operation stops
* “STOP” is displayed only when all air conditioner stop in the group.

– 9 –
[MODE]
AUTO, COOL, DRY, FAN, HEAT
AUTO mode requires the SL4 central control setting. For details, refer to the User’s Manual of the SL4 central
control.
* The AUTO setting is not available for some air conditioner models.
[SET TEMP.]
By default, the temperature can be set in the range of 18 deg C to 30 deg C in increments of 0.5 deg C. When
an operating mode is selected, the range is extended to the upper and lower limits of the selected mode.
(In the SL4 central control, Fahrenheit and Celsius can be switched, and the upper and lower limits of the set
temperature can be extended. Refer to the User’s Manual of the SL4 central control.)
* When you set home leave on, you can't set mode and set temp.
[FAN]
POWERFUL, HIGH, MEDIUM, LOW, AUTO
AUTO requires the SL4 central control setting.
* Some settings are not available for some air conditioner models.
[LOUVER]
AUTO SWING, STOP1, STOP2, STOP3, STOP4
* The louver setting is ignored when configured for air conditioner without louver function.
[LOCK]
This item specifies to what degree the remote control operation should be disabled.
ALL LOCK : Disables all operations
ALL UNLOCK : Allows all operations
RUN/STOP : Disables run/stop operations
MODE : Disables the operating mode operations
SET TEMP. : Disables changing the temperature setting
RUN/STOP & MODE : Disables the run and stop operations, and the operating mode operations
RUN/STOP & SET TEMP. : Disables the run and stop operations, and changing the temperature setting
MODE & SET TEMP. : Disables the operating mode operations, and changing the temperature setting
* Individual settings are not available for some air conditioner models. For such models, only “Allow all” (ALL
UNLOCK) and “Disable all” (ALL LOCK) can be selected.
[ENERGY SAVING]
Click the ON or OFF button.
When the ON button is selected, energy saving operation starts.
When the OFF button is selected, energy saving operation stops.
Use this operation to save energy. A unit shifts its set temperature by outside temperature.
[FILTER RESET]
Click the RESET button and the filter sign turns off.
[ROOM TEMP.]
Displays the room temperature of the representative unit.

– 10 –
[OTHERS]
Displays the filter sign, maintenance, schedule sign, energy saving and silent mode.
This shows the group that is the target of the current day’s schedule.
Energy saving (This shows the group that is the target for energy saving.)
Silent mode (This shows the group that is the target for silent mode.)
If at least one air conditioner in a block or group needs filter maintenance, this indicator
lights up. When this happens, clean the filters.
Inspection, Inspection 1, Inspection 2
Backup operation (Inspection 3)
<For HMU group ( page 32)>
The following items can be viewed or configured. The displayed information other than run/stop and filter sign is
about the unit specified as representative. (For the settings of representative unit. page 31.)
[RUN/STOP]
RUN, STOP
RUN : The operation starts
STOP : The operation stops
* “STOP” is displayed only when all units stop in the group.
[MODE]
AUTO, COOL, PUMP, HEAT
AUTO mode requires the SL4 central control setting. For details, refer to the User’s Manual of the SL4 central
control.
* The AUTO setting is not available for some models.
[SET TEMP.] (Outlet water temperature)
By default, the temperature can be set in the range of 15 deg C to 30 deg C in increments of 0.5 deg C. When
an operating mode is selected, the range is extended to the upper and lower limits of the selected mode.
(In the SL4 central control, Fahrenheit and Celsius can be switched, and the upper and lower limits of the set
temperature can be extended. Refer to the User’s Manual of the SL4 central control.)
[LOCK]
This item specifies to what degree the remote control operation should be disabled.
ALL LOCK : Disables all operations
ALL UNLOCK : Allows all operations
RUN/STOP : Disables run/stop operations
MODE : Disables the operating mode operations
SET TEMP. : Disables changing the temperature setting
RUN/STOP & MODE : Disables the run and stop operations, and the operating mode operations
RUN/STOP & SET TEMP. : Disables the run and stop operations, and changing the temperature setting
MODE & SET TEMP. : Disables the operating mode operations, and changing the temperature setting

– 11 –
[ENERGY SAVING]
Click the ON or OFF button.
When the ON button is selected, energy saving operation starts.
When the OFF button is selected, energy saving operation stops.
Use this operation to save energy. A unit shifts its set temperature by outside temperature.
[SET TEMP. 2] (Inlet water temperature or Remote control temperature)
The temperature can be set in the range of 5 deg C to 55 deg C in increments of 0.5 deg C.
[FILTER RESET]
Click the RESET button and the filter sign turns off.
[OUTLET WATER TEMP.]
Displays the outlet water temperature of the representative unit.
[INLET WATER TEMP.]
Displays the inlet water temperature of the representative unit.
[R/C SENSOR TEMP.]
Displays the remote control temperature of the representative unit.
[OTHERS]
Displays the filter sign, maintenance, schedule sign and energy saving.
This shows the group that is the target of the current day’s schedule.
Energy saving (This shows the group that is the target for energy saving.)
If at least one unit in a block or group needs filter maintenance, this indicator lights up.
When this happens, clean the filters.
Inspection, Inspection 1, Inspection 2
Backup operation (Inspection 3)
<For Q-ton group ( page 32)>
The following items can be viewed or configured. The displayed information other than run/pause/stop is about
the unit specified as representative. (For the settings of representative unit. page 31.)
[RUN/PAUSE/STOP]
RUN, PAUSE, STOP
RUN : The operation starts
PAUSE : The operation pauses
STOP : The operation stops
* “STOP” is displayed only when all units stop in the group.
[FILL UP]
Click the START or FINISH button.
[HW TEMP.]
By default, the temperature can be set in the range of 60 deg C to 90 deg C in increments of 1 deg C.
(In the SL4 central control, Fahrenheit and Celsius can be switched, and the upper limits of the temperature can
be changed. Refer to the User’s Manual of the SL4 central control.)

– 12 –
[SET HW AMOUNT ]
Hot water storage amount can be set in the range of 10 % to 100 % in increments of 10 %.
[KEEP WARM TEMP.]
The temperature can be set in the range of 40 deg C to 63 deg C in increments of 1 deg C.
(Only when the tank type is OPEN, refer to the User’s Manual of the SL4 central control. )
[ANTI-LEGIONELLA]
Click the ON or OFF button.
[HEATING]
Click the ON or OFF button.
[HEAT SET TEMP.]
The temperature can be set in the range of 20 deg C to 52 deg C in increments of 1 deg C.
[PEAK-CUT]
The [Peak-cut %] can be set at 0%, 40%, 60% and 80%.
To cancel, click 100%.
[SILENT]
Click the ON or OFF button.
[MODE]
Displays the mode of the representative unit.
[HW AMOUNT]
Displays the hot water amount of the representative unit.
[HEATING STATUS]
Displays the heating status of the representative unit.
[OTHERS]
Displays the maintenance, schedule sign and silent mode.
This shows the group that is the target of the current day’s schedule.
Silent mode (This shows the group that is the target for silent mode.)
Inspection, Inspection 1, Inspection 2
Backup operation (Inspection 3)
Note
• The items that can be set depend on the application and tank type of the representative unit. Refer to the
User’s Manual of the SL4 central control.
• Set HW TEMP. and KEEP WARM at the same time.
• Set keep warm temp (KEEP WARM) less than storage hot water temp (HW TEMP.) by 5°C or more.
Ex.) When storage hot water temp is 65°C, set keep warm temp less than 60°C.

– 13 –
4. Changing settings
Select an item from the pull-down menu for the setting you want to change.
5. Apply the changed setting.
Click the SET button.
If you select multiple items and click the SET button, you will be able to change the settings of the multiple
items collectively.
6. Displaying the unit list
Click UNIT LIST to display the operating status list of unit belonging to the selected group. The following
items are shown in the list.

– 14 –
<For air conditioner group ( page 32)>
UNIT LIST screen
[REP. ] : Displays the “” mark to indicate the representative unit of the target group.
Information from the representative unit is reflected on the group operating setting
except for the information on the run/stop/home leave on/home leave offand filter
sign items.
[UNIT] : Displays the air conditioner number.
[RUN/STOP] : Displays run/stop/home leave on/home leave offas the status of the air conditioner.
[MODE] : Displays the operating mode of the air conditioner.
[SET TEMP.] : Displays the temperature setting of the air conditioner.
[ROOM TEMP.] : Displays the room temperature where the air conditioner is installed.
[FAN] : Displays the fan speed setting of the air conditioner.
[LOUVER] : Displays the louver setting of the air conditioner.
[LOCK] : Displays the invalid remote control operation.
[ALARM] : Displays the error code when a malfunction occurs or maintenance code.(*)
[DEMAND] : Displays the processing level when a demand signal is entered.(*)
[OTHERS] : Displays filter sign, maintenance, schedule sign, energy saving and silent mode.(*)
(*) For details on each item, refer to the User’s Manual of the SL4 central control.

– 15 –
<For HMU group ( page 32)>
[REP. ] : Displays the “*” mark to indicate the representative unit of the target group.
Information from the representative unit is reflected on the group operating
setting except for the information on the run/stop and filter sign items.
[UNIT] : Displays the unit number.
[RUN/STOP] : Displays run/stop as the status of the unit.
[MODE] : Displays the operating mode of the unit.
[SET TEMP.] : Displays the temperature setting (Outlet water temperature) of the unit.
[SET TEMP. 2] : Displays the temperature 2 setting (Inlet water temperature or Remote control
temperature) of the unit.
[OUTLET WATER TEMP.] : Displays the outlet water temperature.
[INLET WATER TEMP.] : Displays the inlet water temperature.
[R/C SENSOR TEMP.] : Displays the remote control temperature.
[LOCK] : Displays the invalid remote control operation.
[ALARM] : Displays the error code when a malfunction occurs or maintenance code.(*)
[DEMAND] : Displays the processing level when a demand signal is entered.(*)
[OTHERS] : Displays filter sign, maintenance, schedule sign, and energy saving .(*)
(*) For details on each item, refer to the User’s Manual of the SL4 central control.

– 16 –
<For Q-ton group ( page 32)>
[REP. ] : Displays the “*” mark to indicate the representative unit of the target group.
Information from the representative unit is reflected on the group operating
setting except for the information on the run/pause/stop item.
[UNIT] : Displays the unit number.
[RUN/PAUSE/STOP] : Displays run/pause/stop as the status of the unit.
[MODE] : Displays the operating mode of the unit.
[HW TEMP.] : Displays the hot water temperature setting of the unit.
[KEEPING WARM TEMP.] : Displays the keeping warm temperature setting of the unit.
[SET HW AMOUNT] : Displays the target hot water storage amount.
[HW AMOUNT ] : Displays the hot water storage amount.
[ANTI-LEGIONELLA] : Displays the anti-legionella status.
[APPLICATION] : Displays the application setting.
[PEAK-CUT ] : Displays the peak-cut status.
[HOLIDAY] : Displays the holiday setting.
[ANTI-FREEZING] : Displays the anti-freezing status.
[HEATING STATUS] : Displays the heating status setting of the unit.
[HEAT SET TEMP.] : Displays the heat set temperature setting of the unit.
[HEATING SETTING] : Displays the heating setting of the unit.
[PRIORITY] : Displays the priority setting of the unit.
[ALARM] : Displays the error code when a malfunction occurs or maintenance code.(*)
[OTHERS] : Displays maintenance, schedule sign, and silent mode.(*)
(*) For details on each item, refer to the User’s Manual of the SL4 central control.

– 17 –
Change All
The CHANGE ALL screen enables you to perform collective operation for the target group.
The target group for collective operation must be specified in advance. page 31
1. Click CHANGE ALL from the menu bar.
2
3
CHANGE ALL screen
2. Changing settings collectively
From the pull-down menu for the setting you want to change, select an item.
3. Apply the changed setting.
Click the SET button.
If you select multiple items and click the SET button, you will be able to change the settings of the multiple
items collectively.
The details of the settings are the same as the details of the group settings described in page 8.
Schedule Setting
The SCHEDULE SETTING enables you to configure the schedule of operating unit.
The following schedule items can be configured on the screen.
• TODAY’S SCHEDULE
• YEARLY SCHEDULE
• DETAILED DAILY SCHEDULE
• SEASON SETTING
• DEFAULT SCHEDULE SETTING
Note
When setting the temperature with SL4, disable the automatic setting of the remote control.

– 18 –
■Today’s Schedule
The TODAY’S SCHEDULE screen enables you to configure the current day’s operation schedule for each group.
The settings determined by yearly schedule and detailed daily schedule are reflected on today’s schedule.
1. Select the TODAY’S SCHEDULE from the menu bar (SCHEDULE SETTING).
2
3
TODAY’S SCHEDULE screen
2. Select a target group.
From the SELECT GROUP pull-down menu on the upper left side of the screen, select a target group name.
3. Enter new settings.
From the pull-down menu, select an item of which setting you want to change. On this screen, you can
register up to 16 schedule settings of the following items per day.
[TIME] Operation time setting (by the minute)
<For air conditioner group ( page 32)>
[RUN/STOP] Blank (Not specified), RUN, STOP, HOME LEAVE ON, HOME LEAVE OFF
[LOCK] Blank (Not specified), ALL LOCK, ALL UNLOCK, RUN/STOP, MODE, SET TEMP.,
RUN/STOP & MODE, RUN/STOP & SET TEMP., MODE & SET TEMP.
* As selectable items vary according to the current settings, refer to the User’s Manual
of the SL4 central control.

– 19 –
[MODE] Blank (Not specified), AUTO, COOL, DRY, FAN, HEAT, SEASON page 25
* As selectable items vary according to the current settings, refer to the User’s Manual
of the SL4 central control.
[SET TEMP.] By default, the temperature can be set in the range of 18 deg C to 30 deg C in
increments of 0.5 deg C. When an operating mode is selected, the range is extended
to the upper and lower limits of the selected mode.
(In the SL4 central control, Fahrenheit and Celsius can be switched, and the upper and
lower limits of the set temperature can be extended. Refer to the User’s Manual of the
SL4 central control.)
[ENERGY SAVING] Blank (Not specified), ON, OFF page 9
[SILENT] Blank (Not specified), ON, OFF
* Priority is given to the silence of the outdoor unit. This function cannot be applied to
some indoor units.
<For HMU group ( page 32)>
[RUN/STOP] Blank (Not specified), RUN, STOP
[LOCK] Blank (Not specified), ALL LOCK, ALL UNLOCK, RUN/STOP, MODE, SET TEMP.,
RUN/STOP & MODE, RUN/STOP & SET TEMP., MODE & SET TEMP.
* As selectable items vary according to the current settings, refer to the User’s Manual
of the SL4 central control.
[MODE] Blank (Not specified), AUTO, COOL, PUMP, HEAT, SEASON page 25
* As selectable items vary according to the current settings, refer to the User’s Manual
of the SL4 central control.
[SET TEMP.]
By default, the temperature (Outlet water temperature) can be set in the range of
15 deg C to 30 deg C in increments of 0.5 deg C. When an operating mode is selected,
the range is extended to the upper and lower limits of the selected mode.
(In the SL4 central control, Fahrenheit and Celsius can be switched, and the upper and
lower limits of the set temperature can be extended. Refer to the User’s Manual of the
SL4 central control.)
[ENERGY SAVING] Blank (Not specified), ON, OFF page 11
[SET TEMP. 2] The temperature (Inlet water temperature or Remote control temperature) can be set
in the range of 5 deg C to 55 deg C in increments of 0.5 deg C.
<For Q-ton group ( page 32)>
Note
• Set the items depend on the application.
• Set storage hot water temperature (HW TEMP.) higher than keep warm temperature by 5°C or more.
Ex.) When keep warm temperature is 60°C, set storage hot water temperature higher than 65°C.
[HW TEMP.] By default, the temperature can be set in the range of 60 deg C to 90 deg C in
increments of 1 deg C.
(In the SL4 central control, Fahrenheit and Celsius can be switched, and the
upper limits of the temperature can be changed. Refer to the User’s Manual of
the SL4 central control.)
[SET HW AMOUNT] Hot water storage amount can be set in the range of 10 % to 100 % in
increments of 10 %.
[ANTI-LEGIONELLA] Click the ON or OFF button.
[PEAK-CUT] The [Peak-cut %] can be set at 0%, 40%, 60% and 80%.
To cancel, click 100%.
[SILENT] Click the ON or OFF button.