초록 ▼

A multi-stage cooling system is disclosed. The multi-stage cooling system is capable of providing a plurality of cooling capacities. The cooling system has a plurality of independently operable compressors. A control system operates the compressors to provide a cooling capacity corresponding to the

A multi-stage cooling system is disclosed. The multi-stage cooling system is capable of providing a plurality of cooling capacities. The cooling system has a plurality of independently operable compressors. A control system operates the compressors to provide a cooling capacity corresponding to the heat load of a space to be cooled. A condenser structure of the cooling system has a plurality of individual condenser coils. Each condenser coil has an independent refrigerant path receiving compressed refrigerant from one of the compressors. An evaporator structure of the cooling system has a plurality of individual evaporator coils. Each evaporator coil has an independent refrigerant path receiving condensed refrigerant from a corresponding condenser coil via an expansion mechanism and returning refrigerant to an input of a corresponding compressor.

대표청구항 ▼

A multi-stage cooling system is disclosed. The multi-stage cooling system is capable of providing a plurality of cooling capacities. The cooling system has a plurality of independently operable compressors. A control system operates the compressors to provide a cooling capacity corresponding to the

A multi-stage cooling system is disclosed. The multi-stage cooling system is capable of providing a plurality of cooling capacities. The cooling system has a plurality of independently operable compressors. A control system operates the compressors to provide a cooling capacity corresponding to the heat load of a space to be cooled. A condenser structure of the cooling system has a plurality of individual condenser coils. Each condenser coil has an independent refrigerant path receiving compressed refrigerant from one of the compressors. An evaporator structure of the cooling system has a plurality of individual evaporator coils. Each evaporator coil has an independent refrigerant path receiving condensed refrigerant from a corresponding condenser coil via an expansion mechanism and returning refrigerant to an input of a corresponding compressor. ng a water intake control valve in fluid communication with said dilution manifold and said source of pressurized water, said water intake control valve operable in response to an activating signal from said dispensing system central processor for discharging into said dilution manifold. 4. The media dispensing system of claim 3 wherein said source of pressurized water coupled to said dilution manifold includes a check valve and pressure sensor, said pressure sensor being coupled to said dispensing system central processor for providing a control signal thereto in response to said water pressure input. 5. The media dispensing system of claim 1 wherein said air stream sensor means includes at least one of: a temperature sensor for generating a control signal responsive to the air stream temperature, a humidity sensor for generating a control signal responsive to the air stream relative humidity, or an air pressure/air flow sensor for generating a control signal responsive to the air stream air pressure/air flow. 6. The media dispensing system of claim 1 wherein each one of said plurality of dispensing media containing reservoirs includes a media reservoir sensor coupled to said dispensing system central processor for generating a signal thereto responsive to the amount of media contained therein. 7. A user-programmable media dispensing system for use in a central or zoned forced-air heating, ventilating and air-conditioning system comprising: dispensing means actuable in response to a dispenser activating control signal to discharge a quantity of a medium into an air stream of a central or zoned forced-air heating, ventilating and air-conditioning system; a dispensing system central processor coupled to said dispensing means and generating a dispenser activating control signal to said dispensing means in response to instruction input signals coupled to said dispensing system central processor from user-programmable data entry; said dispensing means including a plurality of dispensing media containing reservoirs coupled in fluid communication with a media dispenser; said media dispenser being positioned in the air stream of a central or zoned forced-air heating, ventilating and air-conditioning system for dispensing the media contained in at least one of said dispensing media containing reservoirs into said air stream in response to said dispenser activating control signal generated by said dispenser system central processor; each one of said plurality of dispensing media containing reservoirs includes a media reservoir sensor coupled to said dispensing system central processor for generating a signal thereto responsive to the amount of media contained therein; user-programmable data entry coupled to said dispensing system central processor for entry of user-generated instructions and coupling said user-generated instructions as instruction input signals to said dispensing system central processor for generating said dispenser activating control signals to actuate said dispensing means; air stream sensor means positioned in the air stream of a central or zoned forced-air heating, ventilating and air-conditioning system and coupled to said dispensing system central processor for generating ambient-air-determined control signals to said dispensing system central processor to control the generation of said dispenser activating control signals to actuate said dispensing means; and each of said media reservoir sensors generating a signal to said dispensing system control processor responsive to the presence of said media contain reservoir in the dispensing system and the identity of the particular medium contained therein. 8. The media dispensing system of claim 1 wherein said user-programmable data entry keypad-display couples user-generated instruction input signals to said dispensing system central processor to control and display the temperature at said keypad-display. 9. The media dispensing system of cla