www.heatingandventilating.net AC Mounting As well as installing safe access to cooling
equipment, siting of the AC units is essential to aid maintenance. Air conditioning systems ideally should be securely raised from a flat roof to aid performance and maintenance as well as ensuring they are above ponds of water and ice that can accumulate.
Traditionally, when mounting AC units on flat roofs many installers have often opted for concrete slabs as a simple, speedy, cheap, support solution. However, this installation solution can cause
expensive long-term problems. If concrete slabs are placed directly on a flat roof with a single ply membrane the slabs can tear through the membrane, which can lead to destructive roof leaks – thus potentiall y causing costly damage. Also, concrete slabs do not offer the level of stability required for instal lations which may include high- sided splits or VRF/VRV units. Plus, AC units positioned directly on a roof can be tricky to maintain due to access issues.
So what is the answer? An economical solution to these installation headaches is to use non-
penetrative, repeatable support structures mounted on anti-vibration mats. These structures are configurable in that they can be adjusted according to the demands of each individual project. Designed to meet the changing needs of a building, the supports can easily be moved or adapted to fit new requirements, allowing building owners to easily make further upgr ades to plant as needed.
Maintenance is easier with these innovative
frameworks because the supports raise the AC units above the flat roof making them more accessible and creating space to run pipes.
For example, Big Foot Systems’ Light Duty Range is non-penetrative, quick to install, robust and offers an array of solutions to support a variety of air handling units and air conditioning systems. Frame kits for most major manufactur er’s VRV/VRF units are available from stock and the plant is clamped to the supports, giving it further stability. These will suit most applications including extract and supply fans, air conditioning, VR V and VRF units and air handling units.
Suitable for both new build installations and retrofitting, non-penetrative systems are quick and easy to install ensuring project cost and time clarity, negating a need for time consuming and costly penetrations through the roof. Non-
penetrative support systems have the advantage of maintaining the integrity of the roof membrane, thus avoiding thermal bridging and the potential for moisture ingress.
To ensure a regular maintenance programme can be safely implemented, non-penetrative supports tick all the right boxes. Safe access support systems offer a secure route to access plant whilst AC supports allow service engineers to easily access and maintain equipment. Clients will benefit too, with both energy efficiency and plant longevity optimised, thus keeping costs down. Safe engineers and happ y clients.
Maintenance & servicing
A range of safe access solutions to rooftop plant are available
COMMISSIONING SAVE UP TO £233
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AVE UP TO£233 PER BOILER*
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TING C ACTIVATVATESWA LY ACTIVATES WARRANTYWARRANTY APPLY ONLINE LY Y ONLINE:
idealcommercialboilers.com
Free Commissioning Offer available until 31/12/18 and only on Evomax, Imax Xtra, Imax Xtra EL, Evomod, Super Series 4 and Super Plus boilers. Subject to terms and conditions.
*£233 refers to previous commissioning charge for Imax Xtra EL 715-1240kW models. 31 AL
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