Air Handling Units

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IJD 620
Part No: Various

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IJD 620 Current Range
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IJD 620: View

Furnish and install temperzone air handling units as indicated on the schedule.

Base Unit – The base unit shall be fabricated of galvanised steel and insulated with closed cell foam. The unit shall be complete with water coil, one or more centrifugal fans, condensate drain tray, enclosed electrical box, supply air duct spigot and return air duct spigot. A hinged service access panel with Allen key latches will be provided. The cabinet shall be weatherproofed.

Coils – Coils shall comprise of die formed plate type aluminium fins mechanically bonded to high efficiency seamless inner rifled copper tubing. Water connections shall be BSP male threaded. Cooling and heating coils shall have a manual air vent.

Fan/s – Fans shall be centrifugal, forward curved, belt driven by an TEFV motor with bearings greased for life. Each impeller shall be statically and dynamically balanced. Motors shall be 4 pole type operating off a three phase power supply. Motors shall have an adjustable pulley for fine tuning the fan speed. A soft start facility shall be provided (IJD 2000, 2400 only). 

Electrical Controls  – Fan motors shall be wired through a fan motor contactor. A thermal overload shall be included for protection against excessive current.

Drain Tray – Drain tray shall have a built-in slope for inducing positive drainage when the unit is level. The tray shall project under the entire length and width of the coil including headers and return bends.

Filters – Filters (optional) shall be removable, 50 mm thick, pleated and rated EU4.

Electric Heat - Electric elements (optional) shall be fin-tube constructed of stainless steel and include both a manual and auto reset high temperature cutout switches as well as two contactors (as required by AS/NZS 3350.2.40 1997). Additional safety protection shall be provided by an air pressure switch and circuit breaker control. A fan run-on timer shall be provided for heat dissipation.

IJD Series Info: View

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