Specification Guidelines

Air to air reverse cycle split air conditioning system.

The systems shall operate at out door ambient temperatures as high as

The system shall have a total cooling capacity of

kW or greater with an indoor air quantity of L/s

DB and

WB entering indoor coil temperature with a

temperature entering the outdoor coil.

The system shall have a sensible heat capacity of

kW or greater with a room DB temperature of

The total heating capacity (without electric element heaters) shall be

kW or greater at

DB,

WB outdoor air conditions, with

of indoor air entering indoor coil at

DB.

The compressors shall be a welded high efficiency hermetic type with internal vibration isolation and be equipped with a crankcase heater.

Coils shall be of non-ferrous construction with mechanically bonded aluminum plate fins Outdoor coils shall be made, of 9.52mm OD, 0.35mm thick formless copper tubes mechanically bonded to 0.12mm thick aluminum plate fins.

Face area of the coil shall not be less than m2 The coil shall be factory pressure and leak tested at 3.3 MPa pressure. The indoor coil face area shall be not less than m2.

Multi-wing propeller type fans shall be fitted at the condenser and shall be dynamically balanced, to ensure smooth airflow and shall discharge vertically and be direct driven by a weatherproof three phase squirrel cage kW induction motor.

The system shall be factory wired and all electrical wiring must comply with the Local wiring code (Controls and control wiring shall be supplied by the contractor). Compressors and fan motors shall have both internal and current sensitive overload devices.

An automatic defrost control shall be included to accomplish defrosting (only if required) every				minutes
for a period of		minutes.

High pressure switch (pre-set) shall be factory installed.

The enclosure is weatherproof casing constructed of phosphatized, zinc coated steel with powder coating.

(OUTDOOR UNIT)

The unit shall be provided with hoisting plates for rigging and hoisting the unit. The hoisting plates shall

be located in the pillars. (OUTDOOR UNIT)

The unit shall have a drain connection provided (25mm BSP:male thread).

The enclosure shall have openings provided for power connections.

Access for both service and installation shall be provided to compressors, control wiring, and fans.

Side panels and top panels shall be removable for easy service access.

The unit maximum dimensions shall be : height:	mm, width:		mm and depth:	mm (INDOOR UNIT )
: height:		mm, width:	mm and depth:	mm (OUTDOOR UNIT)
: height:		mm, width:	mm and depth:	mm (OUTDOOR UNIT)

Due to continuous product development, these guidelines are subject to change.

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