LINDINVENT A40405 Gt-S Radiator Temperature Sensor Unit Owner’s Manual

LINDINVENT A40405 Gt-S Radiator Temperature Sensor Unit

Product Specifications

• Temperature measurement
• Radiator valve actuator
• Valve actuator without adapter ring: See the documentation for valve actuators A40405 (NC) and A41405 (NO)

Product Usage Instructions

Construction
The GT-S Radiator Temperature Sensor Unit includes a temperature sensor and a junction box. The unit can be ordered with or without a valve actuator. For specific details about actuators, refer to the product description.

Mounting
NOTE: Ensure that the control unit is without voltage when connecting GT-S.

1. Mount the connection box on the wall near the actuator valve.
2. Attach the valve actuator to the valve.
3. Place the sensor module with the magnet high up on the back of the radiator.
4. Connect the box to the room climate control unit using Lindinvents standard 4-conductor cable.

Accessories Supported
Ensure that all components are properly installed: the sensor module on the back of the radiator, the valve actuator on the radiator valve, and the connection box on the wall with all four conductors connected to the room climate controller.

FAQ

Where can I find complementary documentation for GT-S?
Complementary documentation, including installation instructions, operation instructions, maintenance instructions, external connection diagram, environmental product declaration, Modbus list, and AMA-text, can be viewed on the product page at www.lindinvent.com

INTRODUCTION

Up to 20% of an operation technician’s working time, during the winter season, can be devoted to examining radiators. By installing GT-S, the heat from radiators and thus the heating circuit can be monitored more effectively.

FUNCTIONS AND AREAS OF USE

GT-S is used to control valve actuators and measure radiator heat. A valve actuator and a temperature sensor are connected to a room climate controller via the connection box included in GT-S. With GT-S and LINDINSPECT web interface, radiators can be monitored. Errors can be detected and investigated.

• Non-functioning actuators
• Non-functioning shunt groups
• Unvented radiators
• Clogged valves
• Incorrect pipe connection
• Transmission losses in pipe systems
• Incorrect supply temperature
• Removed actuators

The sensor module (20x10x5 mm) consists of a smaller circuit board with a 2-conductor cable. The circuit board is mounted on a magnet that attaches the sensor to the radiator.

A PACKAGE SOLUTION

The sensor unit is ordered and delivered as an assembly consisting of a sensor module and a 24V valve actuator (NC or NO) wired to a connection box. The device reduces installation time since only the connection box needs to be wired to the room climate controller.

TECHNICAL SPECIFICATIONS

• Temperature measurement

  • Type of sensor: NTC thermistor
  • Accuracy: ± 2 K

• Radiator valve actuator

  • Valve actuator without adapter ring: See the documentation for valve actuators
  • A40405 (NC) and A41405 (NO)

• General

  • Sensor modul dimension: 20x10x5 mm
  • Connection box dimension: 60x60x30 mm
  • Length of the 2-conductor sensor cable: 1 m
  • Length of the valve actuator cable: 1 m

• Material

  • Circuit board: FR4
  • Cables: Polyolifine, Halogene-free (EN 60754-1/2, IEC 60754-2)
  • Connection box: Housing lid and base in ABS, RAL 2003

• Electrical system

  • Suppy: 24 VAC (via connected controller)
  • Power: 0,1 VA
  • CE-markning: Complies with EMC and the low voltage directive
  • IP-class: IP21

• Room controller terminal connection
  Prescribed conductor color order in brackets.

  • G+ (Red)
  • Triac (Black)
  • AIN (White)
  • G0 (Blue)

CONSTRUCTION

The products below are included in GT-S. The unit can be ordered without a valve actuator. For details about actuators see the product description.

Included:

• GT-S: Temperature sensor and junction box

• Valve actuators
  Choose from:

  • A41405 (NC)
  • A40405 (NO)

MOUNTING

NOTE: The control unit must be without voltage when GT-S is connected!
For guidance on suitable mounting, see illustrations in this product description.

1. The connection box is mounted accessible on the wall in connection with the actuator valve.
2. The valve actuator is mounted on the valve.
3. The sensor module with magnet is attached high up on the back of the radiator.
4. The box is connected to the room climate control unit by Lindinvents standard 4-conductor cable.

ACCESSORIES THAT ARE SUPPORTED

• A40405 (24VAC, NC, ON/OFF)

• A41405 (24VAC, NO, ON/OFF)
  NOTE:

  • GT-S only works with 24VAC valve actuator ON/OFF
  • GT-S does not support 0-10V actuators

COMPLEMENTARY DOCUMENTATION

Document can be viewed on the product page at www.lindinvent.com

description.
Operation instructions| See the commissioning/operation instructions for the controller.
Maintenance instructions| The unit is considered maintenance free.
External connection diagram| See the color order listed under Connections in this product description.
Environmental product declaration| To be assessed by Byggvarubedömningen.
Modbus list| See the connected controller.
AMA- text| Look for AMA code UBB for temperature sensors. See the connected controller AMA and its accessories.

References

• Ventilation on demand - smart solutions, low life cycle cost

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