Multiple type absorption air conditioning system

A multiple-type air conditioning system comprising:

• an absorption cool/warm water unit in which a weak solution diluted by a refrigerant is heated in a regenerator to generate refrigerant steam, said refrigerant stem is cooled an condensed by a cooling means and is then evaporated in an evaporator to cool a cool/warm water during a cooling operation, or a cool/warm water is heated by said refrigerant steam in said evaporator during a heating operation, the refrigerant from said evaporator is absorbed in or mixed with a strong solution produced when said refrigerant steam is generated in an absorber to said weak solution, and said weak solution is returned to said regenerator;
• a cool/warm water system through which said cool/warm water cooled or heated by said absorption cool/warm water unit flows;
• a plurality of water air heat exchanging means for cooling or heating air by said cool/warm water from said cool/warm water system;
• an air system for blowing said air cooled or heated by said water heat exchanging means into individual rooms;
• means for controlling an operation or a heating absorption cool/warm water unit in a cooling or a heating operation, stoppage thereof and switchover of said cooling and heating operations thereof by controlling pumps and valves of said absorption cool/warm water unit and of said cool/warm water system;
• a controller provided in each of said water air heat exchanging means, said controller having a function of operation and stopping said absorption cool/warm water unit and of selecting the operation modes of said absorption cool/warm water unit;
• and
• means for transmitting an operation signal of said controller to said operation control means to allow said absorption cool/warm water unit is to be controlled by said controller,
• wherein when operation modes of all of said controllers are set in either the cooilng or heating mode while said absoprtion cool/warm water unit is set in the same operation mode and the operation thereof is at a stop, when operations of setting an operation mode different form the set mode are conducted a plurality of times from one of the controllers, said operation control means changes over all of the settings and display of said controllers to said set operation mode, and changes over the operation mode of said absorption cool/warm water unit to said set operation mode.

A multiple-type air conditioning system comprising:

• an absorption cool/warm water unit in which a weak solution diluted by a refrigerant is heated in a regenerator to generate refrigerant steam, said refrigerant steam is cooled and condensed by a cooling means and is then evaporated in an evaporator to cool a cool/warm water during a cooling operation, or a cool/warm water is heated by said refrigerant steam in said evaporator during a heating operation, the refrigerant from said evaporator is absorbed in or mixed with a strong solution produced when said refrigerant steam is generated in an absorber to said weak solution, and said weak solution is returned to said regenerator;
• c cool/warm water system through which said cool/warm water cooled or heated by said absorption cool/warm water unit flows;
• a plurality of water air heat exchanging means for cooling or heating air by said cool/warm water from said cool/warm water system;
• an air system for blowing said air cooled or heated by said water air heat exchanging means into individual rooms;
• means for controlling an operation of said absorption cool/warm water unit in a cooling or a heating operation, stoppage thereof and switchover of said cooling and heating operations thereof by controlling pumps and valves of said absorption cool/warm water unit and of said cool/warm water system;
• a controller provided in each of said water air heat exchanging means, said controller having a function of operating and stopping said absorption cool/warm water unit and of selecting the operation modes of said absorption cool/warm water unit;
• and
• means for transmitting an operation signal of said controller to said operation control means to allow said controller,
• wherein said regenerator includes a high-temperature regenerator and a low-temperature regenerator, strong solution produced by heating a weak solution in said high-temperature regenerator emits a heat in a high-temperature heat exchanger and a low-temperature heat exchanger providing for heat exchanging, and is then led to said absorber, the weak solution produced in said absorber is heated by the emitted heat in said low-temperature heat exchanger and said high-temperature heat exchanger and is then returned to said high-temperature regenerator, and part of the weak solution which is fed out of said low temperature heat exchanger is concentrated by the refrigerant steam generated by said high-temperature regenerator in said low-temperature heat exchanger together with the strong solution which is fed out of said high-temperature heat exchanger.

A multiple-type air conditioning system comprising:

• an absorption cool/warm water unit in which a weak solution diluted by a refrigerant is heated in a regenerator to generate refrigerant steam, said refrigerant steam is cooled and condensed by a cooling means and is then evaporated in an evaporator to cool a cool/warm water during a cooling operation, or a cool/warm water is heated by said refrigerant steam in said evaporator during a heating operation, the refrigerant from said evaporator is absorbed in or mixed with a strong solution produced when said refrigerant steam is generated in an absorber to said weak solution, and said weak solution is returned to said regenerator;
• a cool/warm water system through which said cool/warm water cooled or heated by said absorption cool/warm water unit flows;
• a plurality of water air heat exchanging means for cooling or heating air by said cool/warm water from said cool/warm water system;
• an air system for flowing said air cooled or heated by said water air heat exchanging means into individual rooms;
• means for controlling an operation of said absorption cool/warm water unit in a cooling or a heating operation, stoppage thereof and switchover of said cooling and heating operations thereof by controlling pumps and valves of said absorption cool/warm water unit and of said cool/warm water system;
• a controller provided in each of said water air heat exchanging means, said controller having a function of operating and stopping said absorption cool/warm water unit and of selecting the operation modes of said absorption cool/warm water unit;
• and
• means for transmitting an operation signal of said controller to said operation control means to allow said absorption cool/warm water unit to be controlled by said controller,
• wherein said cool/warm water system has a feed forward cool/warm water pipe through which the cool/warm water flows from said evaporator to each of said water air heat exchanging means, and a return cool/warm water is returned from each of said water air heat exchanging means to said evaporator, and
• wherein an end of said feed forward cool/warm water pipe is connected to an end of said return cool/warm water pipe, the cool/warm water is returned to said evaporator by a cool/warm water pump provided near a connecting point between said feed forward cool/warm water pipe and said return cool/warm water, and the flow rates of the cool/warm water from said feed pipe forward cool/warm water pipe to each of said water air heat exchangers is controlled by the respective pumps.

A multiple-type air conditioning system comprising:

• an absorption cool/warm water unit in which a weak solution diluted by a refrigerant is heated in a regenerator to generate refrigerant steam, said refrigerant steam is cooled and condensed by a cooling means and is then evaporated in an evaporator to cool a cool/warm water during a cooling operation, or a cool/warm water is heated by said refrigerant steam in said evaporator during a heating operation, the refrigerant from said evaporator is absorbed in or mixed with a strong solution produced when said refrigerant steam is generated in an absorber to said weak solution, and said weak solution is returned to said generator;
• a cool/warm water system through which said cool/warm water cooled or heated by said absorption cool/warm water unit flows;
• a plurality of water air heat exchanging means for cooling or heating air by said cool/warm water from said cool/warm water system;
• an air system for blowing said air cooled or heated by said water air heat exchanging means into individual rooms;
• means for controlling an operation of said absorption cool/warm water unit in a cooling or a heating operation, stoppage thereof and switchover of said cooling and heating operations thereof by controlling pumps and valves of said absorption cool/warm water unit and of said cool/warm water system;
• a controller provided in each of said water air heat exchanging means, said controller having a function of operating and stopping said absorption cool/warm water unit and of selecting the operation modes of said absorption cool/warm water unit;
• and
• means for transmitting an operation signal of said controller to said operation control means to allow said absorption cool/warm water unit to be controlled by said controller,
• wherein said system further includes a plurality of absorption cool/warm water units each of which has the operation controlling means, and a unit number control means for gathering operation signals from said controllers and for determining the number of absorption cool/warm water units to be operated, and only the absorption cool/warm water units to which the operation signal is outputted from said unit number control means through signal transmission means are operated.