AB BL26C-10D

Ask a question about this manual

Ask about setup, troubleshooting, compatibility, parts, safety, or missing instructions. Manuals+ will review the question and use this page’s manual context to help answer it.

AB BL26C-10D Brazed Plate Heat Exchanger User Manual

Model: BL26C-10D

1. Уводзіны

This manual provides essential information for the safe and efficient installation, operation, and maintenance of your AB BL26C-10D Brazed Plate Heat Exchanger. This unit is designed for efficient heat transfer in various water-to-water applications.

The BL26C-10D model features 10 brazed plates, measuring 5 inches by 12 inches, with 1 1/4 inch MPT connections. It is constructed from high-quality 316L stainless steel, brazed with 99.9% copper, ensuring durability, resistance to leakage, and the ability to withstand high pressure and temperature.

AB BL26C-10D Brazed Plate Heat Exchanger, front view with specifications label.
Малюнак 1: Спераду view of the AB BL26C-10D Brazed Plate Heat Exchanger, displaying its specifications label.

2. Тэхнічныя характарыстыкі прадукту

СпецыфікацыяДэталь
ВытворцаAB
Нумар мадэліBL26C-10D
Нумар дэталіBL26C-10D
Вага прадмета7.39 фунта
Памеры прадукту12 х 5 х 1.25 цалі
Колькасць пласцін10
Матэрыял99.9% Copper, Stainless Steel 316L
Тып злучэння1 1/4" MPT (Male Pipe Thread)
Макс. Працоўнае ціск435 PSI
Макс. Працоўная тэмпература482°F
Ёмістасць BTU110,000 - 280,000 BTU/hr (application dependent)
Close-up of the heat exchanger highlighting 316 stainless steel and copper brazing, with dimensions and 1 1/4 inch NPT thread detail.
Малюнак 2: падрабязна view of the heat exchanger showing dimensions and connection threads.

3. Дадаткі

The AB BL26C-10D Brazed Plate Heat Exchanger is versatile and suitable for a wide range of heat transfer applications, including but not limited to:

  • Domestic Water Heating
  • Сістэмы цёплай падлогі
  • Сістэмы снегараставання
  • District or Zone Heating Systems
  • Outdoor Wood Furnaces
  • Hydraulic and Lube Oil Coolers
  • Radiator Heating
  • Гідраўлічнае ацяпленне
  • Solar Heating Systems
  • Wood Boiler Systems
  • Homebrew Chillers
  • HVAC Heating & Cooling
Image showing various applications for the heat exchanger, including homebrew chiller, water heating, central heating, floor heating, driveway snow melting, radiator heating, solar heating, and HVAC heating & cooling.
Figure 3: Visual representation of multiple applications for the heat exchanger.

4. Настройка і ўстаноўка

Proper installation is crucial for the optimal performance and longevity of your heat exchanger. Due to the specialized nature of hydronic systems, professional installation by a qualified technician is highly recommended.

4.1. Connection Points

The heat exchanger features 1 1/4 inch MPT (Male Pipe Thread) connections. Ensure all connections are properly sealed to prevent leaks. The smooth thread design facilitates an easy and flexible hookup.

4.2. Напрамак патоку

For optimal heat transfer, fluids should typically flow in a counter-current direction. Consult the port labels (Q1, Q2, Q3, Q4) on the unit and your system design for correct fluid routing.

4.3. System Sizing

Refer to the Hydronic Duty Tables provided by the manufacturer for appropriate sizing based on your specific application (e.g., domestic hot water, floor heating, snow melting) and desired BTU output. These tables provide guidance on boiler flow, system flow, and kBtuh/hr for various models.

Hydronic Duty Table for BL26C series heat exchangers, showing performance data for domestic hot water, floor heating, and snow melting.
Figure 4: Hydronic Duty Table for BL26C models, assisting with system sizing.

5. Прынцыпы працы

The brazed plate heat exchanger facilitates efficient heat transfer between two fluids without direct mixing. Hot fluid enters one set of channels, and cold fluid enters an alternating set of channels. Heat is transferred across the thin, corrugated stainless steel plates.

5.1. Heat Exchange Mechanism

The unit utilizes an asymmetric fish bone plate design. This design creates strong turbulences within the fluid flow, which significantly enhances the heat transfer performance and efficiency. A heat recovery rate of over 90% can be achieved.

Diagram illustrating the heat exchange principle with cold water in, hot water in, and warm water out.
Figure 5: Diagram illustrating the heat exchange principle.
Video 1: An animated demonstration of the internal workings and heat transfer process within a 316L Stainless Steel Plate Heat Exchanger.

6. Тэхнічнае абслугоўванне

Brazed plate heat exchangers are generally low-maintenance devices due to their robust construction and sealed design. However, periodic checks are recommended to ensure continued optimal performance.

  • Візуальны агляд: Regularly inspect the exterior of the unit for any signs of external leakage, corrosion, or physical damage.
  • Маніторынг ціску: Monitor system pressures to ensure they remain within the specified operating limits (Max. 435 PSI).
  • Маніторынг тэмпературы: Verify that operating temperatures do not exceed the maximum specified temperature (Max. 482°F).
  • Якасць вадкасці: Maintain good fluid quality in both circuits to prevent fouling or scaling, which can reduce efficiency over time.
  • Уборка: If a significant drop in performance is observed, chemical cleaning may be necessary. Consult a professional for appropriate cleaning procedures to avoid damaging the unit.

7. Выпраўленне непаладак

This section provides general guidance for common issues. For complex problems, contact a qualified technician.

праблемаМагчымая прычынаРашэнне
Reduced Heat Transfer Efficiency
  • Insufficient flow rate in one or both circuits
  • Fouling or scaling inside the heat exchanger
  • Паветра ў сістэме
  • Incorrect fluid temperatures
  • Check pump operation and flow rates
  • Consider chemical cleaning (professional service recommended)
  • Выпусціце паветра з сістэмы
  • Verify boiler/heat source output and system design temperatures
External Leaks
  • Loose pipe connections
  • Damaged brazing (rare)
  • Tighten pipe connections (do not overtighten)
  • Inspect for visible damage; if brazing is compromised, unit replacement may be necessary
Незвычайныя шумы
  • Паветра ў сістэме
  • Кавітацыя помпы
  • Vibrations from connected piping
  • Выпусціце паветра з сістэмы
  • Check pump for proper operation and sizing
  • Secure piping to reduce vibrations

8. Гарантыя і падтрымка

Your AB BL26C-10D Brazed Plate Heat Exchanger comes with a Гарантыя 1 год covering manufacturer defects. We are committed to providing 100% satisfaction service and premium quality products.

If you encounter any issues or have questions regarding your product, please contact the seller or manufacturer directly for assistance. Ensure you have your model number (BL26C-10D) and purchase details available when contacting support.

© 2023 AB. All rights reserved.