Mitsubishi Heavy Industries SC-SL4-AE2 User manual

Manual No.'21・SC-T-392
updated September 14, 2022
AIR-CONDITIONING CONTROL SYSTEM
SC-SL4-AE2
SC-SL4-BE2
TECHNICAL MANUAL
CENTRAL CONTROL

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CONTENTS
1. SPECIFICATIONS...............................................................................................6
2. OPERATION AND SETTING .............................................................................8
3. CONTROL SELECTION SETTING...................................................................10
4. STATUS MONITOR...........................................................................................12
5. SCHEDULE SETTING ......................................................................................13
6. MANAGEMENT AND CONTROL.....................................................................14
7. WEB MONITORING FUNCTION......................................................................16
8. EXTERNAL DIMENSIONS ...............................................................................17
9. INSTALLATION OF CENTRAL CONTROL .....................................................18
10. ACCOUNTING CALCULATION .......................................................................22
11. TROUBLESHOOTING ......................................................................................42
12. CONNECTION EXAMPLE................................................................................45
13. ID AND PASSWORD ........................................................................................46
14. OPTION PART (RCI-MDQE2) : Interface for Q-ton .......................................47

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■Number of units in combinations
[per system]
SL4 SL2N SL1N Gateway
SC-SL4-AE2
or
SC-SL4-BE2
SC-SL2NA-E SC-SL1N-E
SC-LGWNB
or
SC-WBGW256
new SL (Superlink)
2280
2440
2800
1141
previous SL 1 1(×3)*10 0
1 0 3(×3)*10
*1 In case of previous SL, three Superlink networks are available.
The number of units listed in the table above can be connected for each communication system.
Number of units in combination as shown above is applicable to when the units being controlled by each central control are not
duplicated.
In case of managing one unit with plural central controls (SC-SL4-AE2, SC-SL4-BE2, SC-SL2NA-E), be sure to make permission
/ prohibition setting only with a master central control, not with other central controls.
When using an external input (emergency stop, demand), input the external signal to the master central control.
In addition, make this setting to “valid” when the external input wiring such as emergency stop or demand input are connected to
the master central control.
■Operating System and Web Browser
Google Chrome Microsoft Edge
Windows®10 ○(*1) ○(*2)
Restart Web browser regularly. Operation may become unstable.
Windows is the registered trademarks of Microsoft Corporation in the United States and/or other countries.
(*1) The version tested : 87.0.4280.88
(*2) The version tested : 87.0.664.66

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■Compatibility table about the Utility software
(1) The Utility software for editing the denition les
SC-SL4-AE/A
or
SC-SL4-BE/A
SC-SL4-AE/B
or
SC-SL4-BE/B
SC-SL4-AE2
or
SC-SL4-BE2
SL4-V2 Utility NO YES (*1)
SL3N-E Utility YES (*2) YES (*3) ─
(2) The Utility software for calculating the amount of energy consumption
SC-SL4-AE/A
or
SC-SL4-BE/A
SC-SL4-AE/B
or
SC-SL4-BE/B
SC-SL4-AE2
or
SC-SL4-BE2
SL4-BE Utility NO YES YES
SL3N-BE Utility YES NO NO
(3) The Utility software for editing the characters in menu on screen.
SC-SL4-AE/A
or
SC-SL4-BE/A
SC-SL4-AE/B
or
SC-SL4-BE/B
SC-SL4-AE2
or
SC-SL4-BE2
SL4E2 character changer
(Under development) NO NO YES
SL4V2 character changer NO YES NO
SL4-E character changer YES NO NO
(4) The Utility software for editing the characters on SL3N-BE Utility and SL4-BE Utility
SC-SL4-AE/A
or
SC-SL4-BE/A
SC-SL4-AE/B
or
SC-SL4-BE/B
SC-SL4-AE2
or
SC-SL4-BE2
SL4-BE character changer NO YES YES
SL3N-BE character changer YES NO NO
YES : Applicable, NO : Not applicable, ─ : Not evaluated
(*1) : Under testing
YES (*2) : Fan speed setting (4th, Auto) is not valid. It should be set from SL4.
If the demand control is valid, it becomes demand Level 1.
YES (*3) : Fan speed setting becomes 3 fan steps only. Different fan speed have to be set from SL4 itself.
If the demand control is valid, it becomes demand Level 1.
Maximum editable block number is 16. More than 17 (up to 20) have to be set from SL4 itself.
Maximum editable group number is 9. More than 10 (up to 12) have to be set from SL4 itself.
"Accounting period time" recognized as "Accounting period 1".
The denition le exported from SL4(2nd) is not editable by SL3N-E Utility.
Applicable Windows OS: Windows®10

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SC-SL4-AE/A, SC-SL4-BE/A SC-SL4-AE/B, SC-SL4-BE/B SC-SL4-AE2/1, SC-SL4-BE2/1
Screen image Black Black / White ←
Max. number of blocks 16 20 ←
Max. number of groups per block 9 12 ←
Accounting periods 2 periods 4 periods ←
External input for accounting period 1 point 2 points ←
Group display Panel / List Layout (Group icons, JPEG le made by customer) / List ←
Home leave
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ON (Cool / Heat by outdoor temperature) / OFF ← (Only for air-conditioner group)
Energy saving
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ON (temperature shift) / OFF ← (Only for air-conditioner / HMU group)
Silent
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ON (Priority is given to the silence of the outdoor unit) / OFF (Except for the indoor unit model KXE6F or former, model KXZE1 (FDU224 / 280, FDU-F, FDE) or units connected by Superlink adapter SC-ADNA-E)
← (Only for air-conditioner / Q-ton group (*4))
Cooling/heating judgment automatically
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Determine operation mode by external temperature ← (Only for air-conditioner / HMU group)
Temperature range setting
Cool : lower limit 16 - 18°C upper limit 30 - 35°C Heat : lower limit 10 - 18°C
Cool : lower limit 16 - 28°C, upper limit 30 - 35°C Heat : lower limit 10 - 18°C, upper limit 22 - 30°C
← For air-conditioner group
For HMU group : Cool : lower limit 5 - 28°C, upper limit 28 - 30°C
Heat : lower limit 15 - 22°C, upper limit 22 - 55°C
Temperature limit setting
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VALID (limiting set temperature of unit which exceeds upper or lower limit is changed an upper or lower limit) / INVALID ← (Only for air-conditioner / HMU group)
NTP (Network Time Protocol)
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VALID / INVALID ←
Operation time history Display the accumulated operation time Display the accumulated operation time by operation mode ←
Energy consumption history
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Display the accumulated consumption ← (Except the Q-ton group)
Hot water amount history
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Displays a graph showing the hot water amount for two days for Q-ton.
Group user
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Operate and monitor only the set groups (Web Monitoring Function only) ←
Outdoor air temperature
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Set the outdoor units for outdoor air temperature display ← (Except the Q-ton group)
“Backlight On” with alarm
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VALID (backlight ON when one or more units stop with alarm) / INVALID ←
Flap control setting
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Operation range (upper and lower limit position) setting of aps at each air outlet of the unit ← (Only for air conditioner group)
Data logging
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VALID (logging the unit’s data (run/stop, set temperature, room temperature and outdoor air temperature)) / INVALID
← For HMU group, return air temperature means outlet water temperature. For Q-ton group, pause is included in stop.
Group type (*1)
-
Air-conditioner, other (run / stop only) Air-conditioner, HMU or Q-ton, other (run / stop only)(*5)
Fan type 3 or 4 speed 1, 2, 3 or 4 speed ←
Louver type VALID VALID / INVALID ←
Operation data monitoring
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Monitor the operation data of indoor unit and outdoor unit. (Maintenance user only) ←
Communication with the building monitoring
-
Corresponds to XML communication ← (Except the HMU / Q-ton group)
Language English or Spanish English or other language ←
Demand control *2 【Level 1】temperature shifts by 2 deg C
【Level 2 and 3】fan mode ←(Only for air-conditioner / HMU group) Select the set temperature
shift by 1 - 9 deg C (*3) or fan mode at each demand level
Applicable model Air conditioner or units connected by interface ←
Air-conditioner, hydro module units (HMU-KIT or later), heat pump water heaters (ESA30EH or later) or units connected by the interface
Yearly schedule It will not be reected the next year, it is necessary to set at
least once every year. ← Reected the next year by the default schedule
Default password OPERATOR : 123456 Operator : 123456, Group user : 123456 OPERATOR : 999999, Group user : 111111
“
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“ : Invalid

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(*1) Do not change the group type during demand control. (*2) Do not change the demand denition or the demand level setting during demand control. When demand and emergency stop are input, remote control operation is prohibited until both are released.
Unit power failure is not supported.
(*3) When SL4 is turned off due to a power failure etc. during the set temperature shift control, the set temperature remains shifted after the recoverly of power source and does not return to the original set temperature even if the demand input is
canceled. To restart the set temperature shift control, re-input the demand signal.
Example Level 1 Level 2 Level 3
Demand denition set temperature shift (1°C) set temperature shift (2°C) fan mode
D1 (Demand Level 1) set temperature : (T0+1)°C set temperature : (T0+2)°C operation mode : fan
D2 (Demand Level 2)
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set temperature : (T0+2)°C operation mode : fan
D3 (Demand Level 3)
- -
operation mode : fan
T0 : set temperature just before demand control
(*4) This function cannot be used for the unit model ESA30EH-25/1 or former. (*5) HMU : Hydro module units (HMU-KIT or later)
Q-ton : Heat pump water heaters (ESA30EH or later)

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1. SPECIFICATIONS
Fig.1-1 Appearance
Item Central control SC-SL4-AE2 Central control SC-SL4-BE2
Model name SC-SL4-AE2 SC-SL4-BE2
Applicable model Superlink compatible indoor unit (1) (8)
Operating ambient temperature range 0 ~ 40˚C
Power source 1 phase 100 V, 200 ~ 240 V, 50/60 Hz
Power consumption 9W
External dimensions (Height×Width×Depth) 172mm×250mm×(23+70)mm (2)
Net weight 2kg
LCD touch panel (4) (5) Color LCD, 9 inch wide
Maximum connectable number
of indoor units
New SL: Max. 128 units×1 network
Previous SL: Max. 48 units×3 networks = Max. 144 units
Input
Superlink New SL: 1 network, Previous SL: 3 networks
Watt-hour meter pulse input (3) －
8 points, Non-voltage contact
pulse width 80ms or more
Emergency stop signal input (3) 1 point, Non-voltage contact (normal open), Continuous input
(Close; Center & Stop all units)
Demand signal input (3)(7) 2 point, Non-voltage contact (normal open), Continuous input
(Center & set temperature shift, Center & Fan mode)
Output
Operation output 1 point, Non-voltage contact, Maximum rated current 40 mA, DC24V
All indoor units at stop: Open, If there is any unit operating: Close
Malfunction output 1 point, Non-voltage contact, Maximum rated current 40 mA, DC24V
All indoor units are normal: Close, If there is any error unit: Open (6)
Selection of language English or other language can be selected as the default language.
Notes (1) Some of the new functions cannot be used depending on the indoor unit model.
(2) “70” indicates embedded portion in the wall.
(3) SC-SL4-AE2 (SC-SL4-BE2) supplies internal DC 12V (10mA maximum) to detect a contact state.
(4) The life of LCD backlight is around 80,000 hours.
(5) Durability of touch panel is around 10 million times.
(6) On the “Function Setting” screen, it is possible to change the malfunction output to normally Open or Close. It is Open during
power supply OFF or until SC-SL4-AE2 (SC-SL4-BE2) starts after power supply ON (including the automatic reboot).
(7) It is possible to change to accounting period time input. (1 or 2 points) (SC-SL4-BE2 only)
(8) Air-conditioner, hydro module units (HMU-KIT or later), heat pump water heaters (ESA30EH or later) or units connected by
the interface. RCI-MDQE2 is needed for heat pump water heaters.

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Note (1) : Use the attached installation brackets (front and rear).
Note (2) : Maximum number of connectable indoor units depends on the indoor unit model.
Note (3) : When energy consumption calculation function is required, use SC-SL4-BE.
Note (3) : The energy consumption calculated by this equipment does not conform to OIML, and there are no guarantees concerning the results of the
calculations. This unit calculates only energy consumption distribution (electric power). Customers should perform the calculation of the fees
corresponding to the energy consumption.
Note (5) : You can divide a day into up to 4 periods for calculation by the clock function of the main body of SC-SL4-BF. You cannot do different settings for
each group. It is not possible to set a different time zone for each day of the week.
You can also set the accounting period time by using the external input. In this case, it cannot be performed level control of demand control or
demand control because of using 1 or 2 points of demand signal input. Please prepare the external timer for changing time zone, and you can divide
a day into up to 4 patterns for calculation.
(Example)
Note (1) : Use the attached installation brackets (front and rear).
Note (2) : Maximum number of connectable indoor units depends on the indoor unit model.
Note (3) : When energy consumption calculation function is required, use SC-SL4-BE2.
Note (4) : The energy consumption calculated by this equipment does not conform to OIML, and there are no guarantees concerning the
results of the calculations. This unit calculates only energy consumption distribution (electric power). Customers should perform
the calculation of the fees corresponding to the energy consumption.
Note (5) : You can divide a day into up to 4 periods for calculation by the clock function of the main body of SC-SL4-BE2. You cannot do
different settings for each group. It is not possible to set a different time zone for each day of the week.
You can also set the accounting period time by using the external input. In this case, it cannot be performed level control of demand
control or demand control because of using 1 or 2 points of demand signal input. Please prepare the external timer for changing
time zone, and you can divide a day into up to 4 patterns for calculation.
(Example)

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No. Item Description
1RUN / STOP / Home Leave ON /
Home Leave OFF Performs run (operation) or stop control, or home leave (6) on/off.
2 Operation mode Auto (1), Cool, Dry, Fan or Heat
3 Temperature setting
18˚C-30˚C (0.5˚C intervals) (2)
Possible to extend the lower temperature limit to 16 - 18˚C and the upper temperature limit to 30 - 35˚C for the cooling
mode, and the lower temperature limit to 10 - 18˚C and the upper temperature limit to 22 – 30˚C for the heating mode.
4Remote control
Lock / Unlock
The permission / prohibition based on remote control function.
The permission / prohibition for RUN/STOP, operation mode and temperature setting can be set individually.
(3)
5 Fan speed 4th (4), 3rd, 2nd, 1st, auto (5) speed
6 Louver direction Auto swing ON/OFF and louver positions 1 - 4.
7 Filter sign reset Resets the lter sign
8 Error reset Resets the error sign with the RUN or STOP operation.
9 Energy saving (7) Possible to save energy by shifting set temperature.
Notes (1) Do not use the Auto mode on any indoor unit other than those connected to the simultaneous heating & cooling 3-pipe multi
system or single split PAC.
(2) Do not set the temperature setting at 0.5˚C intervals on any indoor units with RCD type of wired remote control. It would
cause malfunction of the wired remote control. Make sure to set at 1˚C intervals.
(3) This function becomes valid in combination with the indoor unit model KXE4 or later, the Superlink adapter model SC-
ADN-E or later and the remote control, which is the model RC-E1 or later. (For models earlier than the above-mentioned,
the function becomes invalid because the indoor unit and remote control cannot receive the instruction even though the
setting can be displayed.) Since setting is overwritten in SC-SL4-AE2 (SC-SL4-BE2) even if setting is done from the remote
control, set using SC-SL4-AE2 (SC-SL4-BE2). However, “ALL Lock” and “ALL Unlock” can be set for old indoor models.
(Same to “Center” or “Center & Remote”)
(4) This function becomes valid only in combination with the indoor unit model KXE6D or later and SC-ADNA-E or later. For
the previous indoor units, it is not possible to set the 4th fan mode, but other setting is possible as before. When indoor unit
is operating at 4th fan speed, the fan speed mode displayed on SC-SL4-AE2 (SC-SL4-BE2) shows the 4th fan mode even
though its setting is “Invalid“.
(5) Fan speed “Auto” becomes valid only in combination with the indoor unit model KXE6F or later and the remote control,
which is the model RC-EX1 or later. This function cannot be used for units connected by Superlink adapter SC-ADNA-E.
(6) This function is used for maintaining the room temperature at a moderate level for avoiding extremely hot or cool after
leaving home. When the outdoor temperature is high, the home leave mode operates to cool down the room temperature to a
moderate level in order not to become too hot in the room. When the outdoor temperature is low, it operates to warm up the
room temperature to a moderate level in order not to become too cold in the room. The cooling and heating operations are
controlled according to the outdoor air temperature and the set temperature. The set temperature and fan speed can be set.
This function cannot be used for units connected by Superlink adapter SC-ADNA-E.
(7) By energy saving control of SL4, the set temperature will be raised during cooling, the set temperature will be lowered
during heating and remote control’s temperature setting operation will be prohibited. This function is available only when
remote control permission/prohibition setting is "Valid".
2. OPERATION AND SETTING
Operation and setting is implemented in groups or in a batch for Max.128 groups (144 groups for Prev. SL). Operation and
setting cannot be done in each block or each unit.
(1) Air-conditioner / Other group

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(2) HMU group
No. Item Description
1 RUN / STOP Performs run (operation) or stop control.
2 Operation mode Auto *1, Cool, Pump or Heat
3 Temperature setting
0.5°C intervals
Possible to change the lower temperature limit to 5 - 28°C and the upper temperature limit to 28 - 30°C for the cooling
mode, and the lower temperature limit to 15 - 22°C and the upper temperature limit to 22 – 55°C for the heating mode.
4Remote control
Lock / Unlock
The permission / prohibition based on wired remote control function.
The permission / prohibition for RUN/STOP, operation mode and temperature
setting can be set individually. *2
5 Temperature2 setting 5°C-55°C (0.5°C intervals)
6 Filter sign reset Resets the lter sign
7 Error reset Resets the error sign with the RUN or STOP operation.
8 Energy saving *2 Possible to save energy by shifting set temperature.
*1. Do not use the Auto mode on any unit other than those connected to the simultaneous heating & cooling 3-pipe multi system.
*2. By energy saving control of SL4, the set temperature will be raised during cooling, the set temperature will be lowered during
heating and remote control’s temperature setting operation will be prohibited. This function is available only when remote control
permission/prohibition setting is "Valid".
(3) Q-ton group
No. Item Description
1 RUN / PAUSE Performs run (operation) or pause control.
2 FILL UP*4 START / FINISH
3Hot Water Temperature setting *1 *4 60°C - 90°C (1°C intervals)
Possible to change the upper temperature limit to 70 - 90°C (5°C intervals)
4Hot Water Storage Amount *4 10% - 100 % (10 % intervals)
5Keep Warm Temperature *1 *2 *4 40°C - 63°C (1°C intervals)
6 PEAK-CUT 0, 40, 60, 80, or 100% (cancel)
7Heating Set Temperature. *3 20°C - 52°C (1°C intervals)
8 Silent Mode *5 ON / OFF
9 ANTI-LEGIONELLA*4 *5 ON / OFF
10 HEATING *3 ON / OFF
*1. Set keep warm temperature less than storage hot water temperature by 5°C or more. Ex.) When storage hot water
temperature is 65°C, set keep warm temperature less than 60°C.
*2. Only for the tank type of the unit is OPEN.
*3. Only for the application of the unit is HEATING.
*4. Only for the application of the unit is HW.
*5. This function cannot be used for the unit model ESA30EH-25 / 1 or former.