AIR CONDITIONING
cleaning of fans, filters and air ducts to improve efficiency.
“There is no point in having an efficiently running system if the conditioned air gets stopped by a solid wall before reaching the work space. Blockages in HVAC systems are common and increase running costs, so make sure that the filters are regularly checked.” (Carbon Trust V046 HVAC.)
These inspections therefore demonstrate the need to ensure that those in charge of VRF systems fully understand and appreciate the recommendations and advice resulting from inspection reports.
When many people think of energy efficiency, the general assumption is that it is down to the core manufactured air conditioning unit itself. However, the set-up, routine maintenance, structural build and external environments are also significant to optimising efficiency and performance.
Through examining the installation as a whole, an assessor may be able to provide a valuable insight into the true potential for a facility. Therefore, by taking into account the control of the building and truly understanding the purpose
and use of the air conditioning system, it is also possible to increase efficiency.
More often than not, the importance of routine inspections comes to light when the use or layout of a building requires remodelling.
This is because the demand for air conditioning and airflow usage varies depending on the space and the original specified layout, the numbers of occupants and proximity to air conditioning units. Routine inspections help assess and monitor a building’s need and demand for air conditioning equipment, and thus can provide reassurance for regulating both efficiency and cost. Air conditioning inspection reports contain:
■ Information on the current efficiency of your equipment.
■ Suggestions for improving the efficiency of your equipment.
■ Advice on replacing inefficient equipment and/ or refrigerants.
■ Any faults identified - such as the condition of air filters - and suggested actions.
■ Information on the adequacy of your equipment maintenance and how to improve it.
■ Advice on reducing your need for air conditioning.
Assessors will then take a close look at the control settings and strategy for the system. This includes the day-to-day usage requirements for the building, as well as internal and external temperature set points.
Quite often it is possible to reduce energy costs significantly by simply recognising and understanding these requirements and thus adjusting the settings to respond only when they are most needed. Paperwork will also be closely looked at to give the advisor a better understanding of the routine care and maintenance applied to the VRF system. The principal role of the air conditioning inspection is to improve the overall energy efficiency of a building. The inspection report looks to highlight opportunities for energy improvements, through adjusted operation, and in some cases, options to upgrade to new energy- efficient systems. By adhering to the advice, the process will improve the building’s EPC rating. Here at Panasonic, improving energy efficiency, decreasing carbon emissions and reducing cost is key. We believe that highlighting the need for maintenance and servicing in the form of routine inspections is one route to achieve this.
www.acr-news.com
August 2017 49
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