NH₃ ammolite chiller

CONSTRUCTION

• Built with galvanised steel casing and chassis with polyester paint for outdoor installation.

FANS

• FANS Variable-speed EC fan motors for condensing pressure and oil temperature control.

REFRIGERATION CIRCUIT

• Semi-hermetic screw compressors with variable speed permanent magnet motor. Suction filter, oil filter, discharge check valve. Suction and discharge valves integrated in the compressor.
• Low R-717 charge, 70 g/kW.
• Miscible oil.
• High-efficiency vertical oil separator.
• Oil drain valves.
• Electronic expansion valve and electronic liquid injection valve for compressor cooling under extreme conditions.
• Refrigeration circuit per compressor made of stainless steel with settling tank. Service valves, filter, sight glasses, high- and low-pressure switches and transducers.
• Stainless steel brazed plate evaporator with stainless steel brazing.

HYDRAULIC CIRCUIT

• Hydraulic circuit made of stainless steel pipe, with filling/drain valve, air vent, flow switch, inlet and outlet thermometers and pressure gauges.

COIL

• Tropicalised condenser with aluminium microchannel coils, with Polyester Powder Coating treatment.
• Oil cooler with stainless steel tube coils and aluminium fins.

CONTROL

• Power and control electrical panel. Frequency inverter per compressor. Individual residual-current, circuit breaker and thermal protection for compressors and fans.
• Electronic controller with intarNH3 software designed to optimise unit operation, incorporating control and alarms.
• Alarm management with internal storage.

CONSTRUCTION

• Anti-rodent protective panels.
• Bird guards.
• Acoustic enclosure for compressors.
• Silentblocks for unit installation. (Accessory)

FANS

• Axitop diffusers for greater efficiency and reduced sound level.

REFRIGERATION CIRCUIT

• Oil heat recovery.
• Condensation heat recovery.

COIL

• Aqua Aero® anti-corrosion coating for microchannel coil.