1. Prodott Aktarview
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.
Karatteristiċi ewlenin:
- 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.

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. Informazzjoni dwar is-Sigurtà
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.
- L-installazzjoni għandha titwettaq minn professjonist kwalifikat skont il-kodiċijiet lokali tal-elettriku u tal-plumbing.
- Kun żgur li l-provvista tal-enerġija tkun skonnettjata qabel kwalunkwe xogħol ta' installazzjoni, manutenzjoni jew tiswija.
- 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. Kontenut tal-Pakkett
Ivverifika li l-komponenti kollha huma preżenti u mhux imħassra meta tiftaħ il-pakkett.
- 1 x Danfoss 193B2148 Electrothermal Head ABN-FBH 24 NC
- Manwal ta 'Istruzzjoni (dan id-dokument)
Nota: The 193B2005 adapter for RA connection is sold separately and is required for specific installations.
4. Speċifikazzjonijiet
| Speċifikazzjoni | Valur |
|---|---|
| Manifattur | Danfoss |
| Numru tal-Parti | 193B2148 |
| Numru tal-Mudell tal-Oġġett | 193B2148 |
| Voltage | 24 V |
| Kulur | Abjad |
| Piż tal-oġġett | 3.52 uqija (100 gramma) |
| Dimensjonijiet tal-Prodott | 3.54 x 2.95 x 2.09 pulzieri (9 x 7.5 x 5.3 ċm) |
| Sistema ta' Kejl | Metriku |
| Komponenti Inklużi | 1 Motor (Electrothermal Head) |
| Batteriji Meħtieġa | Nru |
5. Setup u Installazzjoni
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.
- Pożizzjona r-Ras: Align the electrothermal head with the manifold valve or the RA adapter. The design allows for a quick snap-on attachment.
- Installazzjoni 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.
- Konnessjoni Elettrika: 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.
- Kontroll tas-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. Istruzzjonijiet Operattivi
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).
- Istartjar Inizjali: 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. Manutenzjoni
The Danfoss 193B2148 Electrothermal Head is designed for maintenance-free operation. However, periodic checks can help ensure optimal performance.
- Spezzjoni Viżwali: Periodically check the unit for any signs of physical damage or leaks around the valve connection.
- Indafa: 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.
- Kontroll tal-Funzjonalità: 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 Issolvi l-problemi
| Problema | Kawża Possibbli | Soluzzjoni |
|---|---|---|
| Head does not open/close | No power supply; Faulty wiring; Control system issue; Head malfunction. |
|
| Position indicator not moving | No control signal; Head stuck; Mechanical obstruction. |
|
| Leaking at connection point | Improper installation; Damaged valve or adapter. |
|
If troubleshooting steps do not resolve the issue, contact Danfoss customer support or a qualified service technician.
9. Garanzija u Appoġġ
Danfoss products are manufactured to high-quality standards. For specific warranty terms and conditions, please refer to the official Danfoss webis-sit jew id-dokumentazzjoni tal-garanzija inkluża max-xiri tiegħek.
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.
Uffiċjali ta' Danfoss Websit: www.danfoss.com





