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TControl Easy DX-Air Curtain (Item No. 189421)
Room thermostat for DX air curtain
Datasheet
Subject to technical alteration
Issue date: 03.11.2020 • A104
»
APPLICATION
The room control unit is used for individual control of DX door air curtains in combination with a Systemair DX outdoor unit for either single split or
VRF2 outdoor units. With its flush mounted modern design the device combines digital technology with a large LCD display and additional buttons,
which enables the single room controller to be used intuitively.. Furthermore, the operating unit has an integrated Modbus interface. The device is
designed for mounting in a flush-mounted box.
»
SECURITY ADVICE – CAUTION
The installation and assembly of electrical equipment should only be performed by authorized personnel.
The product should only be used for the intended application. Unauthorised modifications are prohibited! The product must not be
used in relation with any equipment that in case of a failure may threaten, directly or indirectly, human health or life or result in
danger to human beings, animals or assets. Ensure all power is disconnected before installing. Do not connect to live/operating
equipment.
CAUTION! Risk of electric shock due to live components within the enclosure, especially devices with mains voltage
supply (usually between 90..265 V).
Please comply with
•
Local laws, health & safety regulations, technical standards and regulations
•
Condition of the device at the time of installation, to ensure safe installation
This data sheet and installation manual
•
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NOTES ON DISPOSAL
As a component of a large-scale fixed installation, Systemair products are intended to be used permanently as part of a building
or a structure at a pre-defined and dedicated location, hence the Waste Electrical and Electronic Act (WEEE) is not applicable.
However, most of the products may contain valuable materials that should be recycled and not disposed of as domestic waste.
Please note the relevant regulations for local disposal.
»
PRODUCT TESTING AND CERTIFICATION
Declaration of conformity
The declaration of conformity of the products can be found on our website
Issue date: 03.11.2020
SYSTEMAIR GmbH Germany
info@systemair.de
https://www.systemair.com/
oder
http://www.systemair.de
.
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Summary of Contents for SystemAir TControl Easy DX-Air Curtain
- Page 1 APPLICATION The room control unit is used for individual control of DX door air curtains in combination with a Systemair DX outdoor unit for either single split or VRF2 outdoor units. With its flush mounted modern design the device combines digital technology with a large LCD display and additional buttons, which enables the single room controller to be used intuitively..
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Page 2: Technical Data
TControl Easy DX-Air Curtain (Item No. 189421) Room thermostat for DX air curtain » REMARKS TO ROOM SENSORS Location and Accuracy of Room Sensors The room sensor should be mounted in a suitable location for measuring accurate room temperature. The accuracy of the temperature measurement also depends directly on the temperature dynamics of the wall. -
Page 3: Connection Plan
TControl Easy DX-Air Curtain (Item No. 189421) Room thermostat for DX air curtain » CONNECTION PLAN Terminal 4 is designed for an additional 2nd fan and outputs the same actuating signal in parallel with terminal 3. » DISPLAY PANEL SYSTEMAIR GmbH Germany info@systemair.de... -
Page 4: Function Description
TControl Easy DX-Air Curtain (Item No. 189421) Room thermostat for DX air curtain » FUNCTION DESCRIPTION Communication Modbus Communication-section 1..247 Factory default: Address 0: broadcast address Communication-Interface: RS485 Communication-Protocol: Modbus-RTU Baud Rate: 4800 bps / 9600 bps / 19200 bps / 38400 bps (optional) -
Page 5: Operating Mode
TControl Easy DX-Air Curtain (Item No. 189421) Room thermostat for DX air curtain » OPERATING MODE Press the “Mode Key” , to adjust the mode cyclically (Cooling > Ventilating > Auto mode > Heating …). Standby / ECO / ON The Power-Button switches the device from Stand-by to ON. - Page 6 TControl Easy DX-Air Curtain (Item No. 189421) Room thermostat for DX air curtain The analog 0..10 V output for the EC fan in automatic mode outputs the voltage value according to the control value of the controller. For manual switching, the following voltage values apply to the EC output:...
- Page 7 TControl Easy DX-Air Curtain (Item No. 189421) Room thermostat for DX air curtain Input Register Address Access Description Resolution / Unit 0x0000 Read-only Model identification 0xFF03 = LCF-3AO2DO – 12 Fans 0x0001 Firmware-Version Read-only e.g. 0x10C0 = 1.0.13 0x0002 Back-Box type...
- Page 8 TControl Easy DX-Air Curtain (Item No. 189421) Room thermostat for DX air curtain Holding Register General settings Address Access Description Resolution / Unit Default 0x0100 Read-write Customer set Device location identification 0…65535 0x0101 Read-write LCD Temperature Unit 0=°C 1=°F 0x0102...
- Page 9 TControl Easy DX-Air Curtain (Item No. 189421) Room thermostat for DX air curtain PI controller Address Access Description Resolution / Unit Default 0x0115 Controller mode Comfort : Read-only 0b0000 0000=controller off (Frost protection active) 0b0000 0001=controller auto mode (heating&cooling) 0b0000 0010=controller heating mode only...
- Page 10 TControl Easy DX-Air Curtain (Item No. 189421) Room thermostat for DX air curtain Inputs Address Access Description Resolution / Unit Default 0x0150 Configuration external input 1 Read-write 0 = No function 1 = Occupancy sensor (Open = Occupied) 2 = Occupancy sensor (Closed =Occupied)
- Page 11 TControl Easy DX-Air Curtain (Item No. 189421) Room thermostat for DX air curtain » MOUNTING ADVICE/ DIMENSIONS (MM) For installing or maintenance, please make sure the power is disconnected. Fix the thermostat base plate to the wall through the four screw holes with distance between axes of 60 mm.