Danfoss 193B2148 Electrothermal Head ABN-FBH 24 NC User Manual

1. Producte acabatview

The Danfoss 193B2148 Electrothermal Head ABN-FBH 24 NC is designed for demand-based temperature control systems, particularly those requiring a high IP class. This electrothermal head is compatible with most manifolds available on the market, facilitated by its adaptable design. It features a quick snap-on installation mechanism and a clear, highly visible position indicator for operational status.

Característiques principals:

Designed for demand-based starting temperature systems requiring high IP class.
Broad compatibility with various manifolds through multiple adapters.
Facilitates very quick snap-on installation.
Equipped with a highly visible position indicator.
Operates at 24 V.
Requires the 193B2005 adapter for RA connection.

Danfoss 193B2148 Electrothermal Head ABN-FBH 24 NC

Figura 1: The Danfoss 193B2148 Electrothermal Head. This image shows the compact, white unit with the Danfoss logo visible on its side, indicating its brand and design.

2. Informació de seguretat

Please read these safety instructions carefully before installation and operation. Failure to follow these instructions may result in product damage, property damage, or personal injury.

Installation must be performed by a qualified professional in accordance with local electrical and plumbing codes.
Assegureu-vos que el subministrament elèctric estigui desconnectat abans de qualsevol treball d'instal·lació, manteniment o reparació.
The device operates at 24 V. Verify compatibility with your system's voltage.
Do not expose the electrothermal head to extreme temperatures or direct moisture beyond its specified IP class.
Do not attempt to disassemble or modify the unit. There are no user-serviceable parts inside.

3. Contingut del paquet

Verifiqueu que tots els components siguin presents i no estiguin danyats en desembalar-lo.

1 x Danfoss 193B2148 Electrothermal Head ABN-FBH 24 NC
Manual d'instruccions (aquest document)

Nota: The 193B2005 adapter for RA connection is sold separately and is required for specific installations.

4. Especificacions

Especificació	Valor
Fabricant	Danfoss
Número de part	193B2148
Número de model de l'article	193B2148
Voltage	24 V
Color	Blanc
Pes de l'article	3.52 unces (100 grams)
Dimensions del producte	3.54 x 2.95 x 2.09 polzades (9 x 7.5 x 5.3 cm)
Sistema de mesura	mètrica
Components inclosos	1 Motor (Electrothermal Head)
Piles necessàries	No

5. Configuració i instal·lació

The Danfoss 193B2148 Electrothermal Head is designed for straightforward installation. Ensure all safety precautions are followed before proceeding.

Prepare the Manifold: Ensure the manifold connection point is clean and free from debris. If an RA connection is used, ensure the 193B2005 adapter is correctly installed on the manifold valve.
Posicionar el cap: Align the electrothermal head with the manifold valve or the RA adapter. The design allows for a quick snap-on attachment.
Instal·lació Snap-on: Gently push the electrothermal head onto the valve/adapter until it clicks securely into place. Verify that it is firmly attached and does not wobble.
Connexió elèctrica: Connect the 24 V power supply wires to the electrothermal head terminals as per the wiring diagram provided with your heating system or manifold. Ensure correct polarity if specified.
Comprovació del sistema: Once installed, restore power to the system and observe the position indicator.

For detailed wiring instructions, refer to your heating system's main control unit manual.

6. Instruccions de funcionament

The electrothermal head operates automatically in conjunction with your heating control system (e.g., thermostat or zone controller) to regulate the flow of heating medium based on demand.

Demand-Based Operation: When the control system signals a need for heat in a specific zone, the electrothermal head will open the valve, allowing hot water to circulate. When the demand is met, the head will close the valve.
Position Indicator: The unit features a highly visible position indicator.
- Indicator Extended: The valve is closed (no heat flow).
- Indicator Retracted: The valve is open (heat flow).
Inici inicial: Upon initial power-up, the head may take a few minutes to fully open or close as it responds to the control signal. This is normal operation.

No direct user interaction is typically required with the electrothermal head itself once installed and configured with the heating system.

7. Manteniment

The Danfoss 193B2148 Electrothermal Head is designed for maintenance-free operation. However, periodic checks can help ensure optimal performance.

Inspecció visual: Periodically check the unit for any signs of physical damage or leaks around the valve connection.
Neteja: Keep the exterior of the head clean and free from dust or debris. Use a soft, dry cloth for cleaning. Do not use abrasive cleaners or solvents.
Comprovació de la funcionalitat: Observe the position indicator during system operation to confirm it is moving correctly in response to heating demands.

No internal lubrication or servicing is required.

8. Solució De Problemes

Problema	Causa possible	Solució
Head does not open/close	No power supply; Faulty wiring; Control system issue; Head malfunction.	Check 24 V power supply to the head. Verifiqueu que les connexions del cablejat siguin segures i correctes. Check the thermostat or zone controller for proper operation. If power and control signals are present, the head may be faulty and require replacement.
Position indicator not moving	No control signal; Head stuck; Mechanical obstruction.	Ensure the heating system is calling for heat in that zone. Temporarily remove the head and check if the valve pin moves freely. Re-install the head, ensuring it snaps on correctly.
Fuita al punt de connexió	Improper installation; Damaged valve or adapter.	Ensure the head is securely attached to the valve/adapter. Inspect the valve and adapter for damage. Replace if necessary. Consult a qualified plumber.

If troubleshooting steps do not resolve the issue, contact Danfoss customer support or a qualified service technician.

9. Garantia i Suport

Danfoss products are manufactured to high-quality standards. For specific warranty terms and conditions, please refer to the official Danfoss weblloc web o la documentació de garantia inclosa amb la compra.

For technical support, spare parts, or further assistance, please visit the official Danfoss website or contact their customer service department. When contacting support, please have your product model number (193B2148) and purchase information readily available.

Danfoss Oficial Weblloc: www.danfoss.com

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