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Exmoor New Build Air Source Heat Pump

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Initial Contact

 

Southern Renewables were recommended for this project by a local building contractor to calculate and design a heat pump to provide space heating and hot water for what would become a fabulously presented second home.

 

A site meeting was arranged to gather more information from the building contractor and to personally meet the client who we would be working closely with throughout. 

 

System Design

 

Detailed heat loss calculations were carried out to determine the heat pump size that would be required. Our calculations confirmed the Vaillant 5kw aroTherm plus was a great match to provide the requirements for this project. 

 

After a quotation was accepted, our client was happy to receive the news that this heat pump installation was also eligible for the BUS Scheme which if successful, the client would receive £7500 back for installing this low carbon technology. 

 

As part of this package, Southern Renewables were also contracted in to provide the plumbing & heating systems. After studying the architectural plans provided by the client, we designed a plumbing and heating system which coincides with both the construction of the building and the ambitions of the designs the client was wanting to achieve. 

 

Project 1st Fix

First fix stage involves engineers on site, placing all pipework used for services throughout the fabric of the building and discussing with other trades on site where equipment can be installed. This avoids issues later on in the job with where there isn’t enough space for equipment. 

 

Underfloor heating was the preferred heating method for the client due to it, saving space throughout the house, providing a fantastic ambient temperature and works very efficiently with Heat Pumps. 

 

 

Project 2nd Fix

 

Following the completion of the plaster-boarding and plastering our client was ready for us to revisit and carry out the 2nd fix which involves:

  • Installation of underfloor heating manifold and accessories
  • Installation and commissioning of ASHP
  • Installation of ASHP plant room equipment 

 

Before installation of the plant room, our team needs to organise this section of the work to ensure all aspects of the plant room work in conjunction with all components supplied. 

 

We were contracted by the client to provide one of our electrical engineers to carry out the wiring of the heating related items. This was all co-ordinated within Southern Renewables and completed when required. 

 

With the completion of the Heat Pump and all the plant room related items, It was time to fill the system and prepare for final testing and commissioning. 

 

Commissioning

 

Once the system has been flushed and cleansed, all controls are checked for correct operation throughout and a final stage of glycol solution is introduced to provide protection to the system from temperatures from as low as -20 degrees. 

 

As all the components that we designed and supplied were the same manufacture throughout, this process is made effortless for our onsite commissioning engineers. 

 

These are the main system components we installed:

  •  5kw Vaillant Heat Pump
  • 150l Vaillant hot water cylinder
  • Vaillant Senso Comfort
  • Vaillant VR71 wiring centre
  • Vaillant V1 interface. 

 

 

Handover

 

As part of the MCS accreditation guidelines, we provide an in-depth system handover pack for our client which includes:

  • Equipment warranty
  • System design and diagrams
  • Servicing and maintenance information
  • Equipment datasheets and manuals
  • Certification 

 

A visit was made so we could demonstrate the system operation, explain the key points of the low carbon technology, and give a good understanding of how the system best performs. 

 

Once the client is happy and feels confident using the controls, we leave the handover pack within the plant room. 

 

Our client can now receive the full benefit of reduced energy bills and an efficient, reliable, low carbon technology to provide space heating and domestic hot water demand for many years to come.

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