CWH

CWH
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CWH

Product catalog summary
Description: Circular duct water heaters (CWH) are designed for heating ventilation air in systems and can also be used for heating individual rooms or zones. They can be supplemented with regulators, sensors, actuators, valves, and anti-freeze protection for controlling room or supply air temperature.
Design: The heaters feature a casing made of Aluzinc-coated sheet steel (AZ 150) with copper tubes and aluminum fins. They have openable covers for easy inspection and cleaning, and circular duct connections with rubber seals. The design conforms to air tightness class D according to EN 15727.
Operating Data: The maximum operating temperature is +110°C, and the maximum operating pressure is 1.0 MPa (10 bar). The coils are tested for leakage to ensure reliability.
Capacity and Installation: The CWH can be installed in horizontal or vertical ducts with airflow in either direction. They are controlled by external regulators, sensors, valves, and actuators, which must be ordered separately. Examples of capacity for each size are provided in the document.
Dimensions: The document provides detailed dimensions for various models, including CWH 125-2, CWH 125-3, CWH 160-2, CWH 160-3, CWH 200-2, CWH 200-3, CWH 250-2, CWH 250-3, CWH 315-2, CWH 315-3, CWH 400-2, and CWH 400-3.
Model Marking: The model marking indicates the duct diameter and the number of tube rows, which are critical for identifying the specific heater model.
Capacity Details: The document provides detailed tables showing the capacity of each model under different conditions, including water temperature in/out, airflow, air pressure drop, inlet air temperature, outlet air temperature, output, water flow, and water pressure drop.
Product Warranty: The document mentions a product warranty, although specific details are not provided in the excerpt.
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Catalog excerpts

CWH-1

CIRCULAR DUCT WATER HEATERS

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CWH-2

CIRCULAR DUCT WATER HEATERS

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CWH-3

CIRCULAR DUCT WATER HEATERS Description The duct water heaters CWH with circular duct connections are designed for heating the ventilation air in a ventilation system. The CWH can also be used for heating individual rooms or zones. For controlling the room or supply air temperature, the duct heaters can be supplemented with regulators, sensors, actuators, valves and anti-freeze protection. ➢ ➢ ➢ ➢ ➢ ➢ 6 standard sizes Hot water coil with 2 or 3 tube rows Casing of Aluzinc coated sheet steel, AZ 150 Openable cover for inspection and cleaning Circular duct connections with rubber seals Air tightness...

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CWH-4

CIRCULAR DUCT WATER HEATERS k Model marking 2 – Number of tube rows 250 – 250 mm 315 – 315 mm 400 – 400 mm

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CWH-5

CIRCULAR DUCT WATER HEATERS Capacity of CWH 125-2 Outlet air temp. Water flow Water press. drop Water flow Water press. drop Water flow Water press. drop Water temp. Capacity of CWH 125-3 Outlet air temp. Water flow Water press. drop Water flow Water press. drop Water flow Water press. drop Water temp.

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CWH-6

CIRCULAR DUCT WATER HEATERS Capacity of CWH 160-2 Outlet air temp. Water flow Water press. drop Water flow Water press. drop Water flow Water press. drop Water temp. Capacity of CWH 160-3 Outlet air temp. Water flow Water press. drop Water flow Water press. drop Water flow Water press. drop Water temp.

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CWH-7

CIRCULAR DUCT WATER HEATERS Capacity of CWH 200-2 Outlet air temp. Water flow Water press. drop Water flow Water press. drop Water flow Water press. drop Water temp. Capacity of CWH 200-3 Outlet air temp. Water flow Water press. drop Water flow Water press. drop Water flow Water press. drop Water temp.

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CWH-8

CIRCULAR DUCT WATER HEATERS Capacity of CWH 250-2 Outlet air temp. Water flow Water press. drop Water flow Water press. drop Water flow Water press. drop Water temp. Capacity of CWH 250-3 Outlet air temp. Water flow Water press. drop Water flow Water press. drop Water flow Water press. drop Water temp.

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CWH-9

CIRCULAR DUCT WATER HEATERS Capacity of CWH 315-2 Outlet air temp. Water flow Water press. drop Water flow Water press. drop Water flow Water press. drop Water temp. Capacity of CWH 315-3 Outlet air temp. Water flow Water press. drop Water flow Water press. drop Water flow Water press. drop Water temp.

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CWH-10

CIRCULAR DUCT WATER HEATERS Capacity of CWH 400-2 Outlet air temp. Water flow Water press. drop Water flow Water press. drop Water flow Water press. drop Water temp. Capacity of CWH 400-3 Outlet air temp. Water flow Water press. drop Water flow Water press. drop Water flow Water press. drop Water temp.

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CWH-11

CIRCULAR DUCT WATER HEATERS Product warranty Fill in this warranty information form and keep this page for future reference or when warranty service may be required. Model name Warranty period Date of invoice Customer info Retailer info Name (company) Address Contact info Name (company) Address Contact info Fault description The product warranty covers product malfunctions, under normal operating conditions for 24 months from the date of manufacturer’s invoice. Please note that the product warranty terms may vary depending on purchase or installation contracts. During the product warranty period,...

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CWH-12

CIRCULAR DUCT WATER HEATERS

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