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ISYteq Controls
SHORT MANUAL
Table of Contents ISYteq
2FläktGroup DC-2018-1076-GB 2019-09/R1 • Subject to modifications
About this short manual ................................................................................. 3
Safety instructions ......................................................................................... 3
ISYteq LCD
Installation and electric connection ................................................................ 4
ISYteq LCD
Operation ....................................................................................................... 6
ISYteq Touch 4.0
Installation and electric connection ................................................................ 9
ISYteq Touch 4.0
Operation ..................................................................................................... 13
ISYteq CET.ACEC
Installation and electric connection .............................................................. 16
ISYteq CET.ACEC
Operation ..................................................................................................... 18
ISYteq-WEB
Installation and electric connection .............................................................. 19
ISYteq-WEB
Operation ..................................................................................................... 22
Technical Data ISYteq Controller ................................................................ 27
ISYteq About this short manual
FläktGroup DC-2018-1076-GB 2019-09/R1 • Subject to modifications 3
About this short manual
This short manual does not replace the detailed operation manual. Please also
read the operation manual and observe the safety instructions.
Follow the QR code to get to the detailed operation manual.
Safety instructions
Ensure that every person working on the unit has read and understood this entire oper-
ation manual – especially the chapter on safety. It is too late to do this after the work
has already begun.
All jobs must only be carried out by qualified licensed staff or other individuals with
proper professional training and experience in the following areas:
– Occupational health and safety regulations
– Accident prevention regulations
– Directives and recognized codes of practice
All skilled staff must be able to assess the entrusted work and must be able to recog-
nize and avoid all associated dangers.
Safety-conscious work procedures
When working within range of mains voltage:
For all kinds of work:
Electrocution through hazardous voltage will lead to death or serious injury.
Non-compliance with the regulations and the operation manual may result in mal-
functions with consequential damage and personal injury.
If the wrong connection is made, there is a danger to life if the wires are inter-
changed!
•Before all connections and maintenance work, all parts of the system must be
disconnected from the power supply and secured against being switched on
again!
•Ensure the unit is voltage-free and isolated, earth and short circuit the unit, cover
or shield off neighboring live components.
ATTENTION
Risk of electrostatic discharge!
When performing any work on the ISYteq units, make sure that you are statically dis-
charged before you touch the unit components. This applies in particular to work on
the printed circuit boards and electrical components.
DAMAGE TO THE UNIT!
Installation, assembly and maintenance work on electrical devices may only be
carried out by a qualified electrician as defined by VDE.
The connection must be carried out in accordance with the valid VDE regulations
and EVU guidelines.
ISYteq LCD Installation and electric connection ISYteq
4FläktGroup DC-2018-1076-GB 2019-09/R1 • Subject to modifications
ISYteq LCD
Installation and electric connection
What you can expect
The ISYteq LCD IW large-surface control panel and the cross-product ISYteq control
system allow cost-effective creation of individual room and network solutions. Many
energy-saving functions and a high level of user comfort make it possible to adjust the
air conditioning individually.
The monitoring and controlling system ISYteq is built according to the state of technol-
ogy and the recognized safety engineering rules.
Technical data
Installation in flush-mounted socket
•Mount the ISYteq LCD IW control panel in a conventional round or square flush-
mounted socket consisting of a front panel and mounting plate (protection class
IP20).
Length/width (mm) 86 x 86
Power supply 230 VAC (+10/-15%) 50/60 Hz
Maximum Current 2 VA
Protection class IP20
Integrated temperature sensor YES
Working temperature -10 °C to +60 °C
Storage temperature -20 °C to +70 °C
ISYteq ISYteq LCD Installation and electric connection
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Connect ISYteq LCD IW
The control panel is directly connected to a 230 VAC +10/-15% 50/60 Hz power supply.
•Connect the control cables in accordance with the wiring diagram (connect same
numbers).
•Power supply 230 VAC should be connected at the unit PCB to ensure that when
the power is disconnected the ISYteq LCD is also off.
– Two cores with the same diameter can be placed under one terminal.
Use a screwdriver to unscrew the front panel and remove it to top of the mounting plate,
as shown in the above figure.
The ISYteq LCD IW communicates with the controller via Modbus (RS485) protocol,
therefore the supplied termination resistors must be installed both on the terminal of
the controller and on the terminal of the LCD IW (see figure below).
Commissioning
If ‘CN’ is shown on the ISYteq LCD IW screen, the ISYteq LCD IW is connected to
power, but has no Fieldbus communication connection. In that case it is necessary to
press the following buttons:
‘Fan button’ + ‘On’ button at the same time for five seconds.
After pressing the buttons a long time, the following screen is shown.Then the
display shows "000 CODE".
•Enter the code 22 to login.
You can now make the following settings:
No. Code Parameter
1 Addr Serial address
2bAud Baud rate: 0: 4800bsp
1: 9600 bsp
2: 19200 bsp
3 bLde Backlight behavior:
0: The back-light will fade in but not fade out
1: The back-light will fade in and fade out
4bLin Back-light intensity
5 PCal Probe calibration
6CnSt Lcd contrast
7 Bu_d Buzzer disabled
ISYteq LCD Operation ISYteq
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ISYteq LCD
Operation
Switchs
1: Switching between Standard/Day or Eco/Night
2: Set fan speed (1, 2, 3, Auto)
3: Switch between the setpoints temperature, humidity, quality (provided they are
configured)
4: Increase setpoint
5: Press and hold "down" for 5 seconds to switch on/off
6: Decrease setpoint
7: Open/close mixed-air flap (if configured)
Icons
1: Operating modes
2: Sub-display
3: Alarm icon
4: Actual controlling mode
5: Operating mode
6: Main display (setpoints and actual values)
7: Fan modes
Unit mode
If the unit is set to off by an external input, it is not possible to turn the ISYteq LCD IW
on at the unit.
– "OFF" appears in the main display (6).
– "Site" appears in the sub-display (2).
If the unit was manually switched off:
– "OFF" appears in the main display (6).
– The sub-display (2) is empty.
Operating mode
The current selected operating mode will be displayed in the Operating mode (1) and
also in the status icons (4).
Notice!
While changing the setpoint, the operating mode day/night, or the mixed-air
damper, a ‘key’ icon will appear just for indicating a manual change is being done
by the user.
Icon Description
Heating only
Cooling only
Heating and cooling
Active heating
Active cooling
ISYteq ISYteq LCD Operation
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Fan mode
The currently selected fan mode is displayed in the Fan Mode icons and also in the
status icons (29)
Use the fan button to switch the fan mode and set the fan speeds (1-3, Auto)
– Bar 1 + Fan icon = Fan Speed 1
– Bar 1 + Bar 2 + Fan icon = Fan Speed 2
– Bar 1 + bar 2 + bar 3 +
fan icon = Fan Speed 3
– All icons + Auto = Fan Automatic
Operating mode Day/Night
The currently selected Day/Night mode is displayed in the current time range icons:
Outdoor-/Recirculating-air mode
If the unit has an air damper then the air-damper mode can be switched between out-
door- and recirculation-air mode with the 'Prg' key on the left-hand side. After pressing
the button, the new air-damper mode is displayed with a delay of 5 seconds.
Outdoor-air mode
Recirculation-air mode
Day/Occupied
Night/Unoccupied
ISYteq LCD Operation ISYteq
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Alarm notifications
Alarm messages are displayed as an icon in the lower left corner of the display (see
figure below).
If a new alarm appears the symbol is blinking, otherwise the symbol is permanently on,
if there is an acknowledge alarm.
Alarm symbol
Temperature and setpoint
The current temperature and setpoint are displayed in the red area figure below. If one
of the ‘+’ or ‘-’ buttons is pressed, the display automatically changes from the current
temperature to the setpoint display and the text ‘set’ will be shown. Each time one of
the buttons is pressed, the setpoint increases or decreases by 0.5 K. If the ‘+’ or ‘-’ but-
ton is not pressed for 3 seconds, the current temperature will be displayed again. If you
only want to display the setpoint but do not want to change it, you can do this by press-
ing the ‘Return’ button.
Notice!
In order to avoid consequential damage, please consult your service personnel at
immediately.
ISYteq ISYteq Touch 4.0 Installation and electric connection
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ISYteq Touch 4.0
Installation and electric connection
What you can expect
The control system ISYteq unites FläktGroup innovative technology with simple oper-
ation. The ISYteq Touch 4.0 control panel is designed to make the user interface with
the FläktGroup controllers easy and intuitive. The electronic technology used and the
new 64K colour display allows high-quality images and advanced functionality to obtain
a high aesthetic standard. Many energy-saving functions and a high level of user com-
fort make it possible for the user to adjust the air conditioning individually for his/her
own needs.
The monitoring and controlling system ISYteq is built according to the state of technol-
ogy and the recognized safety engineering rules.
There are two slightly different basic menus:
–Hotel version (horizontal/vertical installation): is reduced to those function that are
most frequently used
–Business version: different layouts are available for the business version, depend-
ing on the system configuration You can choose between: swirl, secondary air lou-
ver (SLJ), mixed-air damper or without air outlet.
Wall mounting installation of unit or just Installation of unit
The housing of the FläktGroup ISYteq Touch 4.0 is suitable for mounting on walls and
is suitable for surface or flush mounting applications.
The control panel for flush-mounted or surface-mounted installation with IP40 protec-
tion, consists of a panel and a mounting plate.
Technical data
Hotel version
Business version
AP frame (Touch 4.0 OC)
AP frame (Touch 4.0 IC)
Length/width (mm) 151.5 x 87.7
Power supply 12 - 33 VDC
Protection class IP40
Working temperature 0 °C to +50 °C
Storage temperature -30 °C to +70 °C
Display size 4.3 "
Background lighting LED
Integrated temperature sensor Yes
Integrated humidity sensor Yes
ISYteq Touch 4.0 Installation and electric connection ISYteq
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Connect
Control panel is powered directly from the controller board.
•Connect the control cables in accordance with the wiring diagram (connect same
numbers).
– Two cores with the same diameter can be placed under one terminal
The maximum permissible distance between controller and display is 10 m.
If the distance is exceeded, an external transformer (24 VDC) must be used to
power the Touch Panel.
No. Connection - see figure
1Micro USB rear
2Micro USB front
3External keypad connector
4Temperature and humidity sensor
5Power supply port
6Ethernet port
7RS485 port
8Power supply port
9RJ12 connector (power/RS485)
10 Notification bar
ISYteq ISYteq Touch 4.0 Installation and electric connection
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Terminating resistors
Only necessary when using the ISYteq serial communication for the network. Unit
printed circuit boards of the ISYteq control system are equipped with terminating resis-
tors and BIAS Resistors.
•Terminating resistors are placed at line start and end.
•Set the DIP switch 3 to “ON” position.
The BIAS resistors should be activated on the Master unit.
•Set the DIP switch 1 & 2 to “ON” position.
The line start and line end correspond to the start and end of the bus cable.
The terminating resistors must also be switched on for stand-alone units.
ISYteq Touch 4.0 Installation and electric connection ISYteq
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Commissionning ISYteq Touch 4.0
For the ISYteq controller with HTML server functionality, the connection is established
via Ethernet cable and IP addressing.
Factory setting:
– DHCP: OFF
– IP Address Touch Panel: 192.168.0.254
– IP Address ISYteq Controller: 192.168.0.1
– Subnet mask: 255.255.255.0
Setting the network address
Both for the BACnet MS/TP or the BACnet IP network, the required network address
can be set up using the ISYteq Touch 4.0.
Enter the marked menu (figure below) by clicking on it and then click on tile “About us”.
Access the service tool by pressing 5 times on the FläktGroup logo (figure as below).
ISYteq ISYteq Touch 4.0 Operation
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ISYteq Touch 4.0
Operation
Operation/Menus
1: Bypass: This shows whether the Bypass is activated or not. If the bypass is active
the time and remaining time is shown on the tile. If the bypass is not active the
name Bypass is shown.
2: Temperature setpoint tile: The room temperature setpoint is shown.
3: Unit ON/OFF tile: The ON/OFF tile turns the unit ON/OFF.
4: Fan mode tile: The fan mode can be set by tapping the tile.
5: Profile tile: The current selected profile is shown.
6: Mixed-air damper tile: The setpoint of the mixed-air damper in percent is shown:
(instead of Swirl tile)
7: SWIRL tile: depending on the following configurations:
The mode of the SWIRL is shown, and if a SWIRL bypass (breath or turbo) is set,
the remaining time is also shown.
8: SAL (Secondary Air Louvre) tile: The mode of the SAL is shown (auto or manual):
(instead of Swirl tile)
9: Sleep: The sleep button will set the fan to stage 1 and dim the display lights.
Switch the unit on or off
•Use this button to switch the system ON/OFF.
•With this button you can switch off the system.
The screen becomes dark.
•Click on the dark screen to switch on the system.
If the unit has been switched “OFF” from an external signal, the display looks like
this:
Fan
By pressing on the fan tile, you can change the fan speed stage.
The fan can be set by tapping the tile. It will cycle through the possible settings (auto,
auto mute, stage 1, 2, 3)
“Room temperature”, Hotel version
The Hotel version allows the user to set the temperature via the up and down arrows.
“Room temperature”, Business version
The Business version allows the user to set the room temperature and set the control-
ler mode for ‘Heating’, ‘Cooling’ or ‘Automatic’ mode.
ISYteq Touch 4.0 Operation ISYteq
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Bypass
In bypass you can overwrite the profile for a certain amount of time (e.g. doing overtime
at work). Once the bypass is active, the tile shows the remaining time.
Profile
The Profile selection determines the operating mode of the unit. It is possible to choose
between the ‘Standard = Day’,
‘Eco = Night’, or ‘Schedule’ profile.
Use the "Edit" button to Individualise the profile.
Swirl/Damper blade
Depending on the device configuration there are three options available:
Mixed-air damper
It is possible to choose either recirculating or mixed air. Mixed air means that outdoor
air is mixed with recirculating air
Secondary air louvre (SAL)
If you choose 'Auto' operating mode, you cannot see the actual percent of the angle
If you choose 'Manual' operating mode, you can set the desired SAL opening angle in
percent.
The value inside the circle shows the user the selected opening angle.
ISYteq ISYteq Touch 4.0 Operation
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Swirl
In ‘Auto’ mode the standard fan setting is running.
If you choose the 'Manual' mode, you can set the angle of the swirl
Turbo/Breath
When the unit is in cooling operation, you can select between 'Turbo' and 'Breath'. Here
you can set how long you wish this mode to be activated.
"Turbo" operation mode
The "Turbo" operating mode is only available in normal operation for a limited time.
To enable a fast temperature change in the room, the air is blown deep into the room
during "Turbo" operating mode (which causes a loss of comfort). The fan speed is set
to maximum speed regardless of the fan speed setting. The duration can be set
between 1 and 60 minutes.
"Breath" operation mode
The "Breath" operating mode is only available in normal operation for a limited time. In
"Breath" mode, the direction of airflow changes continuously between the two extreme
discharge angles. The maximum duration of the "Breath" operating mode can be con-
figured between 10 and 240 minutes (up to 4 hours).
Sleep
You can set the sleep mode here.
By pressing the "Sleep" button, the fan is set to level 1 and the display illumination is
dimmed.
ISYteq CET.ACEC Installation and electric connection ISYteq
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ISYteq CET.ACEC
Installation and electric connection
What you can expect
The control system ISYteq unites FläktGroup innovative technology with simple oper-
ation. The simple CET.ACEC control panel and the cross-product ISYteq control sys-
tem allow cost-effective creation of individual room and network solutions. High
comfort and simple operation makes it possible for the user to adapt the air condition-
ing to his/her needs.
The monitoring and controlling system ISYteq is built according to the state of technol-
ogy and the recognized safety engineering rules.
Device installation
The casing of the FläktGroup CET.ACEC compact controller is suitable for mounting
on walls and in-wall flush boxes. The control panel CET.ACEC for flush-mounted
socket installation (protection type IP30) consisting of a front panel and a mounting
plate
Technical data
Connect
Use a screwdriver to unscrew the front panel and remove it to top of the mounting plate,
as shown in the below figure.
The CET.ACEC communicates with the controller via Modbus (RS485) protocol, there-
fore the supplied termination resistors must be installed both on the terminal of the con-
troller and on the terminal of the CET.ACEC (see figure next page).
Length/width (mm) 84 x 114
Power supply 230 VAC 50 Hz (+/-10%)
Protection class IP30
Integrated temperature sensor YES
Working temperature 0 °C to +50 °C
Storage temperature -15 °C to +65 °C
ISYteq ISYteq CET.ACEC Installation and electric connection
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The Modbus interface of the CET.ACEC controller
The CET.ACEC compact controller utilises a Modbus interface. This Modbus interface
has the following characteristics.
Set Modbus address
The Modbus address of the CET.ACEC compact controller can be set with the five dip
switches located at the bottom left of the compact controller.
The position of the different dip switches determines the Modbus address of the
CET.ACEC compact controller.
It is not permissible to set the same address for two different compact controllers if they
are located in the same network.
Position of the dip switches:
Technical data of the Modbus interface
Protocol Modbus RTU (RS485)
Baud rates 9600
Transfer format 8-N-1
No. of nodes Max. 32
Note!
Termination resistors (120 Ω, ¼ W) must be installed at the start and end of the
Modbus line.
•The shielding of cables must be connected to at least one point on the PE
conductor.
ISYteq CET.ACEC Operation ISYteq
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ISYteq CET.ACEC
Operation
Preconfigured at factory
When the FläktGroup CET.ACEC compact controller is ordered together with Fan Coil
units, it is delivered pre-configured ex works. This configuration is harmonized with fan
coil units.
•Switch on the power supply of the unit.
•Turn the switch for selecting the fan speed to a position different from AUTO or OFF.
At correct connection and switch setting not AUTO or OFF, the fan in the fan coil unit
will start.
Operating elements
The CET.ACEC compact controller is operated via the operating elements:
1: Rotary switch for setting the speed stages of the fan
2: Rotary switch for setting the target value of the room temperature
3: Rotary switch for setting a relative setpoint offset (variable range and base value)
of the room temperature
The
CET.ACEC standard
can be used as user interface to set the following parameters:
– Adjust a setpoint (10°C to 30°C)
– Set the fan speed 1,2,3 or Fan mode Auto
– Switch the unit OFF
The CET.ACEC relative setpoint can be used as a user interface to set the following
parameters:
– Adjust a relative setpoint offset (variable range and base value)
– Set the fan speed 1,2,3 or Fan mode AUTO
– Switch the unit OFF
Fan speeds
The rotary switch is used to specify the speed stages of the fan:
Standard setpoint room temperature
The setpoint of the room temperature is specified with the rotary switch.
Default setting: 10° to 30 °C
Standard relative setpoint
The rotary switch can be used to set a deviation from the relative setpoint (variable
range).
The fan is switched off
The fan is operated with the preset rotational speed.
AUTO The speed stages are automatically specified by the controls. The great-
er the deviation of the room temperature from the setpoint, the higher the
fan speed.
ISYteq ISYteq-WEB Installation and electric connection
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ISYteq-WEB
Installation and electric connection
What you can expect
With the ISYteq control system a visualization is provided with the integrated WEB
Server.
The visualization provides the following access options:
– With a PC via internet browser, access is possible directly at the plant as well as via
on-site intranet or internet
The monitoring and controlling system ISYteq is built according to the state of technol-
ogy and the recognized safety engineering rules.
Electrical connection – Network connections
The ISYteq network is a network based on BAC-Net for connecting various compo-
nents of the ISYteq control system (network users) in one data bus. The bus enables
the exchange of all information required for control and regulation between the users.
Ethernet Network Connections
Connection via Ethernet port using a switch
The built-in Ethernet ports on the ISYteq controller can be used to create multimaster
and multiprotocol networks, with transmission speeds up to 100 Mbps.
The controllers can be connected together via an external switch (see figure above).
ISYteq-WEB Installation and electric connection ISYteq
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RS485 Network
Connecting master unit with slave units using a serial connection
A multiple master network of ISYteq controllers can be created by using the RS485 se-
rial ports.
Such networks comprise:
– One or more ISYteq controller (Master) that communicates with its slaves via the
Fieldbus RS485 serial port using the BACnet MS/TP protocol;
– One or more FläktGroup controllers (Slaves) connected to the network via the BMS
RS485 serial port using BACnet MS/TP protocol;
•Connect the control cables in accordance with the wiring diagram.
•The max. length allowed for the network is 1000 m.
– A termination of the cable with termination resistors is always necessary for RS485
connections in order to prevent reflections.
– With very short cables and very low transmission rates, termination can be omitted.
•The terminating resistors on the first and last device in the network must be activated
at the DIP switch.
The following cable is recommended for the bus line:
– Type: Li2YCYC TP flexible 2 x 0,5 mm2:
Structure and topologies of ISYteq network with BACnet MS/TP
A serial network can consist of one or several (up to 64) groups and can be set in a line
structure with branch feeder. All ISYteq controllers can access this data bus. With
serial communication, the data bus must be terminated at both physical ends to avoid
reflections which can interfere with data transfer. Switchable bus terminating resistors
are integrated on the respective boards enabling safe termination.
The maximum possible number of groups depends on the largest group in the network.
64 nodes should be divided by the number of devices in the largest group.
This is the maximum possible number of groups.
Example calculation:
Largest group consist of 6 devices.
64 nodes / 6 devices = 10.67 -> maximum number of groups 10
Structure and topologies of ISYteq network with BACnet TCP/IP
An Ethernet network doesn’t have any limitations in the number of groups and doesn’t
need any terminations.
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