Low temperature air-to-water heat pumps for wall installation
40kW Internal Air Source Heat Pump LI40AS
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40kW Internal Air Source Heat Pump LI40AS


40kW Internal Air Source Heat Pump LI40AS


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The LI range of internal air source heat pumps has seven models with heating outputs ranging from 9kW to 40kW. The LITES units are designed for indoor installation on an external wall or in a corner, making them ideal for installations where it is not practical to install an external unit.

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Other options are available for this product.


Configurable for corner or wall installation using air ducts for the air intake and the air outlet (supplied by installer). Dimplex rain guards available as an accessory. • Capable of flow temperatures up to 60C with high COP due to an evaporator optimised for heating operation and energy-efficient reverse cycle defrost. Reduced noise due to sound-optimised axial fan and vibration-isolated compressor. • Supplied with integrated WPM2007 plus controller heat pump manager which can be wired as a remote control using the optional MSPGD wall mounting set. Compatible with BMS system or Ethernet network with an additional accessory. • Integrated flow and return sensor, dirt trap and flow rate sensor. External NTC-2 sensor included in the scope of supply.

Technical Specifications

Key Features
Colour/Finish/MaterialWhite (similar to RAL 9016)
Heat Output (kW)30.0kW @ A2/W35
Heat Pump CoP3.8
InstallationIndoors - Non domestic – The LI 40 AS uses a three phase electricity supply, making them suitable for a range of non-domestic/ commercial applications with heat load demands up to 40kW. Multiple heat pumps can be installed in parallel if required.
Outside Air Temperature Range (oC)-5 / +25
Product Identification
Product model numberLI40AS
Height (mm)2100
Depth (mm)750
Width (mm)1732
Packaging Information
Pallet Quantity1
Packed Depth (mm)1100
Packed Height (mm)2140
Packed Width (mm)1840
Packed Weight (kg)631.5
Additional Features
Air Flow / Volume (m3/h)11000
Electric supply400V

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