NH3 ammonia chillers

ammolite | NH3 chillers

Features► 400V 3 50Hz power supply. Available in 60Hz. Other voltages on request.► Semihermetic screw compressors with variable speed permanent magnet motor.Suction filter, oil filter, discharge check valve. Suction and discharge valves integratedin the compressor.► Miscible oil.► High efficiency vertical oil separator.► Tropicalised condenser with aluminium microchannel coils, with Polyester PowderCoating treatment.► Oil cooler with stainless steel tube coils and aluminium fins.► Variable speed EC motor fans for condensing pressure and oil temperature control.► Evaporator with stainless steel welded plates with stainless steel welding.► Electronic expansion valve, and electronic liquid injection valve for compressor coolingin extreme conditions.► Stainless steel refrigeration circuit per compressor with decanter. Filter service valves,sight glasses, pressure switches and high and low pressure transducers.► Stainless steel hydraulic circuit with fill/drain valve, air vent, flow switch, inlet andoutlet thermometers and pressure gauges.► Closed economiser with plate heat exchanger for liquid subcooling and mediumpressure injection (only in negative temperature models).► Electrical control panel. Frequency variator per compressor. Differential protection.Individual magneto-thermal and thermal protection for compressor and fans.► Electronic control with digital control panel, cooling capacity control, condensationcontrol, VI variation, start/stop sequence, compressor, fan and pump safety andstop sequence, compressor/s, fans and pumps safeties. Web interface and externalcommunication.

Options► Multi-tube stainless steel tube evaporator.► Stainless steel tube condenser and aluminium fins.► Variable glycol flow rate.► Condensation heat recovery.► Total heat recovery (80 %).► Hydraulic unit with back-up pump.

ammolite DX | NH3 direct expansion installation.

Features► 400V 3 50Hz power supply. Available in 60Hz. Others voltages by request.► Semihermetic screw compressors with variable speed permanent magnet motor.Suction filter, check valve, suction and discharge valves integrated in the compressor.► Miscible oil with return through suction, no bleeding required.► High efficiency vertical oil separator.► Tropicalised condenser with aluminium microchannel coils, with Polyester PowderCoating treatment.► Oil cooler with stainless steel tube coils and aluminium fins.► Variable speed EC motor fans for condensing pressure and oil temperature control.► Electronic liquid injection valve for compressor cooling in extreme conditions.► Stainless steel cooling circuit with liquid vessel. Filter service valves, sight glasses,pressure switches and high and low pressure transducers.► Closed economiser with plate heat exchanger for liquid subcooling and mediumpressure injection.► Electrical power and control panel. Frequency variator per compressor. Differentialprotection, magneto-thermal and individual thermal protection for compressor andfans.► Electronic control with digital control board, cooling capacity control, condensationcontrol, VI variation by solenoid, start and stop sequence, compressor, and fanssafeties. Web interface and external communication.

Options► Heat recovery for production of hot defrost glycol.► Variable glycol flow rate.► Condensation heat recovery.► Stainless steel tube condenser and aluminium fins.► Hydraulic group for accumulation and pumping of hot glycol.