Abstract:
Described herein are technologies for an enclosed, modular multi-zone variable refrigerant flow air conditioning system. In some implementations, the enclosed, modular multi-zone variable refrigerant flow air conditioning system may include a housing. The housing may have enclosed therein a variable refrigerant flow cooling/heating unit, a mode control unit, a return/exhaust fan, and a supply fan. The enclosed, modular multi-zone variable refrigerant flow air conditioning system may further include one or more units to receive a heating or cooling medium from the variable refrigerant flow cooling/heating unit to cool or heat air going to two or more zones. The enclosed, modular multi-zone variable refrigerant flow air conditioning system may be a modular unit transportable and installable as a single unit.
Abstract:
A smoking room (1) in which the room air can be maintained clean by means of a purification system in such a way that the particles present in the air and tobacco smoke discharging from the smoking room will adhere to a filter unit (4) belonging to the purification system, the unit having a eurovent-classified filter EU4-EU5 (5), followed by an activated-carbon filter (7) and, for example, aluminum oxide saturated with potassium permanganate, i.e. PURAFILR filter material (8), which is a broadaction oxidizing agent and removes impurities from the air by adsorption, absorption, and chemical oxidation. Between the EU4-EU5 filter (5) and the activated-carbon filter (7) there is a second eurovent-classified filter EU9-EU10 (6), and the purification system includes an odor filter (10), which is, for example, a chemically modified copolymer of polypropylene and styrene.
Abstract:
Systems and methods for modulation of airflow within an existing air conditioning system are described. The existing system includes an air conditioning or HVAC unit coupled with air supply and return ducts. Motorized dampers can be controlled by a controller that receives information about various rooms and areas from temperature and occupancy sensors within those rooms or areas. In this manner, conditioned air can be directed to those rooms that are occupied and whose temperature needs correction based on a thermostat setting.
Abstract:
A system for distributing conditioned air to a plurality of zones. The system includes an indoor heat transfer unit for thermally conditioning air and a plurality of fans which are operably connected to the indoor heat transfer unit to draw a volume of thermally conditioned air from the indoor heat transfer unit and direct the volume of the thermally conditioned air to a plurality of zones. The plurality of fans continuously monitor and control the volume of thermally conditioned air directed to each of the plurality of zones. Each of the plurality of fans are independently operable.
Abstract:
A method of operating a building environment management system (BEMS) is disclosed along with a system to perform the same. The method comprises: a) obtaining zone environmental sensor data and zone set-points for two or more zones in a building; b) computing, for each zone, a request for a minimum cooling/heating air supply rate to meet the zone set-points; c) communicating the request for each zone to a scheduler; d) receiving, at the scheduler, the requests for each zone and energy efficiency data on one or more components of the BEMS; e) calculating an air supply strategy comprising a cooling/heating air supply allocation for each zone to minimise energy consumption of the one or more components, while aiming to satisfy all zone set-point requirements; and f) controlling the BEMS to deliver the allocation of step e) to each zone.
Abstract:
The invention concerns a method and arrangement for air-conditioning and heating room space, air being sucked from room space (1) and conducted through heating and cooling radiators (6, 7) to an intake air blower (8), by which the air is blown back into the room space (1). To eliminate the uneconomic load peaks of the district heating network, at least part of the air sucked from the room (1) is first conducted, in series, through an air outlet radiator (12') and an air inlet radiator (12'') of the heat recovery means and then to the heating and cooling radiators (6, 7).