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LA 3860

Product catalog summary

Overview: The document describes the LA 3860 air-to-water heat pump, designed for heating buildings and providing process heat in commercial and industrial settings. It is suitable for both new constructions and building renovations.

Specifications:

Heat output and COP are measured according to EN 14511 standards.
Maximum flow temperature is up to 60°C with a water inlet range from -2°C to 22°C.
Operating limits for the heat source range from -22°C to +40°C.
Heat outputs vary based on conditions, with a maximum of 43.4 kW and COPs ranging from 3.0 to 4.5.
Nominal power consumption is 7.8 kW at A7/W35.
Sound power level is 78 dB(A), and sound pressure level at 10 meters is 46 dB(A).
Refrigerant used is R407C with a quantity of 15.7 kg.
Dimensions are 1900 x 2300 x 1000 mm, and the unit weighs 870 kg.
Connection voltage is 3/N/PE ~400 V (50Hz) with a starting current of 60 A and fusing of C 50 A.

Features:

Equipped with two compressors for efficient energy supply.
Can be integrated with building management systems via Modbus, BACnet, EIB/KNX protocols.
Includes an integrated thermal energy meter for system efficiency measurement.
Reverse circulation defrosting method.

Applications: Ideal for large projects such as apartment blocks or larger office buildings, offering a demand-based and cost-optimized energy supply.

Contact Information: Glen Dimplex Deutschland GmbH and Glen Dimplex Austria GmbH provide contact details for further inquiries.

Catalog excerpts

Air-to-water heat pump. Flexible use. In new builds and building renovations for heating buildings and providing process heat in commercial and industrial use. More efficiency. Low operating costs thanks to high seasonal performance factors. With two performance levels for high COPs in both full-load and partial load operation. More possibilities. Can be connected to higher-level building management systems via various network protocols, such as Modbus, BACnet, EIB/KNX. More control. Integrated thermal energy meter for reliable measurement of the system efficiency.

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