7400iAW Outdoor Unit and Indoor Unit 7400iAW Outdoor Unit and Indoor Unit 7400iAW Outdoor Unit and Indoor Unit
7400iAW Outdoor Unit and Indoor Unit 7400iAW Outdoor Unit and Indoor Unit 7400iAW Outdoor Unit and Indoor Unit

7400iAW Outdoor Unit and Indoor Unit overview


Suitable for renovation (building dependent) and new build projects, our 7400iAW air to water heat pump utilise high efficiency, low-carbon technology to deliver all the benefits of using ambient air as the primary energy source for space heating and hot water.

Our quietest ultra low noise outdoor unit, with Quiet Mark, can be enhanced by an addition diffuser. Its monobloc design houses all refrigeration circuit components, including the inverter, filter and circuit boards, keeping maintenance low.

Pre-configured AWE indoor unit for quick and easy installation with a built in multi- functional back up electric booster for heating and hot water.

Optional standalone Green Storage WB Range Heat Pump cylinders from 150 to 300 litres provide solutions for even the most demanding lifestyles.

Guarantee Lengths

  • Standard Guarantee - 2 years
  • With Alto Energy’s MCS umbrella scheme - 7 years
  • Excelerate members can log in to view guarantee specific lengths available.

ErP Labels

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Features & Benefits

7400iAW outputs of 5kW and 7kW
A+++ at 35 degrees flow for heating
Heating mode from -20°C to 35°C (outside temperature)
Cooling mode from 15°C to 45°C (outside temperature)
Low maintenance with hermetically sealed refrigeration circuit
No requirement for Glycol to be used
Electronic expansion valves for better refrigerant and better COP
A CR10H remote room controller is available for additional user convenience and comfort
Optional 50 litre buffer vessel available if required

Technical Details

CS7400i AW-5kW CS7400i AW-7kW
Energy Efficiency Class (35°C) A+++ A+++
Energy Efficiency Class (55°C) A++ A++
Water Heating Efficiency Class N/A N/A
Water Heating Declared Load Profile N/A N/A
Heating Power at A2 / W35 5.48 7.29
Coefficient of Performance (COP) at +7 / W35 5.01 5.01
Sound pressure level at a distance of 1 m dB(A) 42 42
Sound Power Level Outdoors (dBA) 50 50
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Outdoor Unit
Product Name CS7400i AW 5 OR-S CS7400i AW 7 OR-S
Part number 7 738 602 075 7 738 602 076
Dimensions (W x H x D) 940 x 1380 x 600 940 x 1380 x 600
Weight (kg) - Outdoor Unit (Without walls and top cover) 89 96
Weight (kg) - Outdoor Unit (With walls and top cover) 113 120
Expansion vessel (Heating) - Capacity (l) 8 8
Power Supply (Outdoor unit) 230V 1N AC 50Hz 230V 1N AC 50Hz
Ingress protection rating IPX4 IPX4
Indoor Unit
Product Name AWE 5-9 AWE 5-9
Part number 7 738 602 107 7 738 602 107
Weight (kg) 32 32
Dimensions 485 x 700 x 386 485 x 700 x 386
Ingress protection rating IPX1 IPX1

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