High-efficiency brine-to-water heat pump - 2 performance levels
35kW High-efficiency ground-to-water heat pump SI35TU
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35kW High-efficiency ground-to-water heat pump SI35TU


35kW High-efficiency ground-to-water heat pump SI35TU


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The SITU range of ground source heat pumps is able to meet heat loads from 18kW to 138KW with a single unit and if banked together can achieve outputs up to 1932kW. The high efficiency design delivers excellent seasonal performance which helps to meet building regulations and reduce running costs.

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High efficiency and high output ground source heat pump with electronic expansion valve and electronic pump control. Designed for indoor installation. • Two scroll compressors to flexibly and efficiently adapt to fluctuating heat demand with intelligent load switching between compressors to maximise compressor life. • Supplied complete with integrated WPM Econ5Plus heat pump manager. • Reduced operational noise through the use of an encapsulated compressor housing and a free-swinging compressor base plate.

Technical Specifications

Key Features
Colour/Finish/MaterialWhite (similar to RAL 9016)
Heat Output (kW)34.8kW @ B0/W35
Heat Pump CoP4.8
InstallationIndoors - Non domestic – The SI TU range uses a three phase electricity supply, making them suitable for a range of non-domestic/ commercial applications with heat load demands up to 130kW.
Outside Air Temperature Range (oC)-5 / +25
Product Identification
Product model numberSI35TU
Height (mm)885
Depth (mm)8110
Width (mm)1000
Weight (kg)315
Packaging Information
Pallet Quantity1
Packed Depth (mm)890
Packed Height (mm)1030
Packed Width (mm)1100
Packed Weight (kg)332.4
Additional Features
Electric supply400V

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