Factory Price Digital Room Thermostat - air-handling-units – HICON
GENERAL Air Handling Units are based upon a modular concept which provides and allows individual sections of varying lengths to be coupled together in various combinations to form complete units. All sections forming the Air Handling units are of a consistent cross section, which with flush fitting panels provides a neat linear exterior along the length of the units.The sections are suitable for horizontal or vertical installation as required. No additional supports are required when sections...
Factory Price Digital Room Thermostat - air-handling-units – HICON Detail:
Air Handling Units are based upon a modular concept which provides and allows individual sections of varying lengths to be coupled together in various combinations to form complete units.
All sections forming the Air Handling units are of a consistent cross section, which with flush fitting panels provides a neat linear exterior along the length of the units.The sections are suitable for horizontal or vertical installation as required. No additional supports are required when sections are mounted on top of each other to form double deck units.
All units within the range are manufactured with double skin panels as standard, having either 25 or 50mm insulation sandwiched between a plastisol outer skin and a galvanised steel inner skin.
Framework can be constructed from either Fully welded pentabox or extruded aluminium depending on the application.
The range volume range of 0.35 to 48.0 m3/s.With non-standard sizes available to suit space restrictions.
FRAMES – ALUMINIUM
The main frames are assembled from die cast aluminium corner joints and extruded aluminium profiles, which offers a totally un-welded framework. The framework is a standard of double skin profile. According to the cross section size of the AHU the framework will be between 30 to 70 mm. The AHU casing has a strength of Class 2A with a Thermal Transmittance Class T2 and Thermal The framework and top hat sections are normally supplied with a plain anodised finish.
FRAMES – WELDED
Section frames are constructed from 50mm pentabox section manufactured from galvanised sheet steel.The frames are assembled using pre-formed corner sections, which are seam welded internally.Top hat sections are fitted between components, which are also welded into position providing additional strength and rigidity. After assembly the full frames are de-greased, primed and finished with a high gloss paint.
The panels are formed from heavy gauge hot dipped galvanised steel sheet to BS2989 and are of the trayin-tray construction.They are of varying heights and lengths dependent upon unit size and are designed to prevent drumming, distortion and vibration during operation. All panels are removable with access doors hinged with operated locks All panels are double skinned with either 25 or 50 mm panels for the aluminium range and 50mm for the welded range.The fibreglass insulation incorporated has a density of 64 kg/m3 and a thermal conductivity of 0.04 W/m2 C.This insulation has excellent thermal and acoustic properties. It is also rot proof, odourless, non-hydroscopic and does not sustain vermin.Where noise breakout is critical perforated inner skins can also be incorporated.
The standard Air Handling Unit Fan Section contains a double inlet double width fan with either multiblade forward curved, backward curved or backward curved areofoil bladed implellers.Alternative fans are available. Fan and motors will be isolated from the casing structure by means of a flexible connection on the fan outlet and either rubber or spring anti-vibration mounts. Fan drives will always be protected with a wire mesh guard.
Panel Filter throwaway – medium efficiency panel filters conforming to EU3 & EU4 in accordance with Eurovent 4/5.
Panel Filter Washable – medium efficiency type washable filter conforming to EU2 in accordance with Eurovent 4/5.
Bag Filter – Bag filter from high quality glass fibre media for extraction of the fine dust, conforming to EU4 upto EU9.
Absolute/Hepa Filter – Particular filter cells are high efficiency for the separation of suspended particles etc.These filters have an efficiency between 99.997% to 99.999% and supplied in low leakage frames.
Activated Carbon Filter – Activated carbon filters are used to remove odorous gases and harmful vapours from the air by absorption. All filters are fitted within frames which are rigidly held within the unit and efficiently sealed and arranged for side withdrawal. Front withdrawal is an option if space permits.A side access door is provided to enable the filters to be replaced easily and quickly. Manometers are fitted across all filters as standard to give direct indication of the filter condition. Manometers can be of the inclined, magnahelic, photohelic with or without auxiliary contacts for remote indication.
The heater batteries consist of tubular sheathed elements mounted on a removable terminal plate manufactured from rigid galvanised steel sheet plate.A removable cover box protects the terminals of the elements and the manual reset thermal cut out.The whole assembly is fitted such that it can be withdrawn from one side of the unit. The heater battery can be supplied, depending on kw rating, for on/off, thyristor or step control and is suitable for operation with a 1 or 3 phase electricity supply
LPHW – HPHW – STEAM COILS
All coils are constructed from seamless copper tubes and headers with continues plate type aluminium fins.Tubes are mechanically expanded into the fins to form a permanent bond for maximum heat transfer. Casings are formed from galvanised steel sheet and designed for easy assembly. End plates are fitted to ensure no bypass of airflow
Cooling coils are constructed as per the heating coils. Positive drain trays are provided as standard under cooling coils and the design of the tray which would have a minimum slope of 1 in 20 towards the drain, ensuring that water retention is not possible.
Drain trays can be removable to provide full cleaning and disinfecting to control the growth of organisms as Legionella Pneumophila.All water coils are tested between 300 PSI and 450 PSIG whereas DX coils are dehydrated under vacuum and charged with nitrogen before sealing.
Both Heating & Cooling Coils will be supplied with nonferrous heavy duty terminals having a BSP (M) thread.
Coils can be provided with either:
• Bare tubes – no fins
• Copper fins
• Vynal coated fins
• Electro tinned copper tubes
• Stainless steel casings
• Steel tubes & fins
Eliminator plates if required will be of the Multiple blade configuration and corrosion Resistant.The blades will be manufactured From either PVC or Polypropylene to provide an inert, non-combustible, corrosion resistant and vermin proof assembly
HEAT RECOVERY COILS
This a heat recovery system using a coil installed in the exhaust air ducts to recover heat energy, transferring this energy to the heating coils in the Air Handling Units.A closed circuit system links the two sets of coils using as a medium water of glycol solution and the system is completed with expansion vessel, pumps, etc.
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