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AIRHANDLINGUNITS
Windmason’s goal is to provide locally engineered & manufac-tured products of air circulating, heating, cooling & air treating with best quality keeping international standards & competitive prices. Windmason’s AHUs have all the features as per international standards. Quality and durability with best after sales services & easy availability of spare parts.
Prices lowered by reducing the Labor cost.
(AHU)
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The best long life construction material and parts have been used to make sure the reliability, durability, competitive prices, after sales full support & spare parts availability due to local production.Body panels are 30mm, 50mm double skin sandwich panel with coated metal sheet. or single skin GI sheet with powder coating and inner polystyrene insulation.
1- 30mm thick sandwich body panel, double skin2- 50mm thick sandwich body panel, double skin3- GI Sheet powder coated single skin inner insulated with polystyrene
Double skin AHU with Aluminum profile and JointsSandwich Panel 30 or 50mm
AIRHANDLINGUNITS
(AHU)
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Construction material & partsAIR HANDLING UNIT
Body Panels and Parts Double skin sandwich panel
Sandwich panel3cm - 5 cm
Aluminum frame
PE Corner
Access door with detachableexternal Opening
Body frameAluminum
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GI Steel base frame
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Construction material & partsAIR HANDLING UNIT
Single skin AHU GI steel Panels
Body panel made of GI sheet powder coated with inner insulation bypolystyrene foam 3cm, 5cm.
Base frame, heavy gauge GI sheet construction, powder coated,assembled by self taping screw.
Access doors fixed by self tapping screw.
GI steel heavy gauge welded base frame.
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Construction material & partsAIR HANDLING UNIT
Air Filters
All AHU units are equipped with standard 1" thick Aluminum wash-able filter for re-circulated air and custom made air filters for other fresh air units. Aluminum filters
Synthetic filters
Pleated filters
HEPA filters
Bag filters
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Construction material & partsAIR HANDLING UNIT
Heat Exchanger / Coil
Windmason uses chilled water coils, direct expansion coils, hot water and steam coils as per ARI standards. All coils deliver optimum efficiency of heat transfer. Alu and Cu tubes, 12-13 FPI and fins as per project requirements. Pressure tested 300 psi air pressure under water.with SS drain pan.
SS Drain pan
DX Coil
Chilled watercoil
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Construction material & partsAIR HANDLING UNIT
Air Moving Fans
Air moving fans of backward and forward curves are used to get high efficiency with required static pressure and air flow. all the fans are dynamically balanced, belt drive, direct drive, with high quality bearings for long life. Reinforced with heavy gauge frame. vibration eliminator used to isolate the fans from the body.
Fan arrangements:Side discharge, top discharge, bottom discharge.
Forward fan blower
Forward fan blowerreinforced
Backward fanblowerreinforced
Forward fanblower
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Construction material & partsAIR HANDLING UNIT
Blower Motors
Blower motors are regular induction motors class F insulation -10 to 50C ambient, 1725 RPM, 3phase, IE2. International standard BLDC Motors can be used on customer’s demand. All motors are SASO approved Laboratory tested. Motors are sized with safety factors & mounted with vibration eliminators for longer life.
Standard InductionMotor
Delta Conn.
Start Conn.
StandardMotor Mount
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Construction material & partsAIR HANDLING UNIT
VFD Variable Frequency Drives (DC Inverters)
VFD - Variable frequency drives are used to vary the speed of the motor which drive the blower fan. the variable speed fan can increase or reduce the air flow as required. It can also protect motor from phase failure burn & overload burn. It provides soft start which increases the life of blower assembly. The drives used are easy to configure and work in tough weather conditions. It can be controlled by other external sensing circuits which sense the demand load, temperature & pressure.
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Construction material & partsAIR HANDLING UNIT
Electric Heater
Windmason’s AHUs are equipped with high quality and safe electric heater as per customer’s requirement & consulting engineer’s design. All electric heaters are standalone type with fusible link, with heavy gauge corrosion resistance steel frame & terminal box. The heating wire is composite material of nickel and chrome.
Both open type heater and finned heaters are available to beselected form:
Finned heater
Open wireheater
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Construction material & partsAIR HANDLING UNIT
Air Control Dampers
Low air leakage, smooth blades air modulating dampers are used to control the air flow as per application requirements. It can be manual/motorized. Multi bladed and single bladed with nylon self-lubricated bushes and galvanized steel brackets and frame. It can be provided in stainless steel blades on demand and with a flange for duct connections.
Parts of the damper
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Construction material & partsAIR HANDLING UNIT
Energy Recovery and Fresh air pre cooling
Air is cooled by air to air or air to water heat exchanger before it entering the chilled water or DX cooling coil, which reduce the cooling load and saves more than 50% energy.The air is cooled by water evaporation or with energy of the exhausted air which is recovered by heat exchangers. Energy recovery wheel, plate heat exchanger, fin and tube coil are used for air pre-cooling.
Energy Recovery Wheel
Air to air plate heat exchanger
Run around CoilHeat recovery coil
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Construction material & partsAIR HANDLING UNIT
Air Humidification
The AHUs can be equipped with air humidifiers which can sense the air and control the humidity as per application’s requirement. Steam, water evaporation or water spray method is used to control the humidity of the air.
Water spray humidification
Steam humidifier
Evaporative Humidifier
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Construction material & partsAIR HANDLING UNIT
AHU Control panels
MCC panels are supplied to control the air handling units with fixed and variable speed drive to meet the cooling, heating and humidification require-ments of the building. Which saves the energy and modulate the air flow as required provide signals and input/output for the BMS system & motor safety.
AHU Standard Panel MCC Panels
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