Combining air cleaning methods for improved anti-contaminant efficacy and air cleaning arrays

Abstract

Methods and systems described perform air cleaning and/or sanitization in a heating, ventilation, air conditioning, and/or refrigeration (HVACR) system by detecting a concentration of airborne contaminants in a space serviced by the HVACR system. The detected concentration of airborne contaminants is determined whether it exceeds a threshold relative to a capacity of a first air cleaner. When the detected concentration of airborne contaminants exceeds the threshold, a second air cleaner is selected and enabled to be activated in the space. When the detected concentration of airborne contaminants does not exceed the threshold, the first air cleaner is selected and enabled to be activated in the space. The first air cleaner has a cleaning material different from the second air cleaner, and the first air cleaner, relative to the second air cleaner, treats the space at a lower concentration of airborne contaminants. The second air cleaner includes specifically designed cleaner modules.

1 .- 16 . (canceled) 
     
     
         17 . A system for air cleaning and/or sanitization in a heating, ventilation, air conditioning, and/or refrigeration (HVACR) system, comprising:
 a compressor;   a condenser;   an expander;   an evaporator,   the compressor, condenser, expander, and evaporator arranged as a fluidly connected circuit to heat and/or cool a space serviced by the HVACR system;   an air flow path, the air flow path to deliver air to the space serviced by the HVACR system;   a fan within the air flow path,   one or more of the condenser and evaporator of the fluidly connected circuit in a heat exchange relationship with the air flow path;   a first air cleaner having a capacity, the first air cleaner within the air flow path;   a second air cleaner, the second air cleaner within the air flow path;   a controller to control activation of the first air cleaner and the second air cleaner; and   a sensor to detect a concentration of airborne contaminants in the space serviced by the HVAC system,   the controller to receive the detected concentration of airborne contaminants in the space serviced by the HVAC system, and to determine whether the detected concentration of airborne contaminants exceeds a threshold relative to the capacity of the first air cleaner;   when the detected concentration of airborne contaminants exceeds the threshold, the controller selects the second air cleaner, and enables the second air cleaner to be activated in the space serviced by the HVACR system; and   when the detected concentration of airborne contaminants does not exceed the threshold, the controller selects the first air cleaner, and enables the first air cleaner to be activated in the space serviced by the HVACR system,   the first air cleaner having a cleaning material different from the second air cleaner, and the first air cleaner, relative to the second air cleaner, to treat the space serviced by the HVACR system at a lower concentration of airborne contaminants,   the HVAC system is configured in one of a transport system or a ducted system,   the second air cleaner comprising:
 one or more cleaner modules, each of the one or more cleaner modules mounted within a frame, the frame being a four sided parallelogram with a right angle; 
 an electrical connector mounted on each of the one or more cleaner modules, the electrical connector to connect the second air cleaner to power and to a control, 
 each of the one or more cleaner modules includes four cells, 
 the one or more cleaner modules consisting of one to six, eight, or twelve cleaner modules, 
 the electrical connector including at least three wiring connections, 
 the at least three wiring connections having a first and a second wiring location on opposing ends relative to each other, the first and second wiring locations configured to serially connect one of the one or more cleaner modules to another cleaner module, and 
 a third wiring location being on a side that is the same as one of the first or second wiring locations and at an opposite end from the one of the first or second wiring location, and the third wiring location located on a different side than the other of the first or second wiring location, the third wiring location configured to allow rotation of the module and to serially connect the one of the one or more cleaner modules to another cleaner module, and 
 the second air cleaner being housed in a ducted system and within the air flow path; or 
 an array of cleaner modules, each of the cleaner modules in the array having a frame, the frame being a four sided parallelogram with a right angle; and 
 an electrical connector mounted on the frame, the electrical connector to connect the second air cleaner to power and to a control 
 the cleaner modules including two cells, 
 the array of cleaner modules consisting of four to six cleaner modules, 
 the frame being a dimension of at or about 165 mm×535 mm×25 mm, or being at a dimension of at or about 6.5 in×21 in×1 in, 
 the frame having mounting locations, the mounting locations being bi-directional, the frame being mounted together with the evaporator, 
 the electrical connector mounted on the frame at about a midpoint of the dimension at or about 165 mm, and 
 the second air cleaner being housed in a transport system and within the air flow path. 
   
     
     
         18 . The system of  claim 17 , wherein the capacity of the first air cleaner being a number of molecules of cleaning material the first air cleaner can generate, and the threshold being a stoichiometric ratio of the molecules of cleaning material to molecules of the airborne contaminants. 
     
     
         19 . The system of  claim 17 , wherein the first air cleaner including a gaseous hydrogen peroxide generator. 
     
     
         20 . The system of  claim 17 , wherein the second air cleaner being a photocatalytic oxidation air cleaner. 
     
     
         21 . An air cleaning apparatus for an HVACR system, comprising:
 one or more cleaner modules, each of the one or more cleaner modules mounted within a frame, the frame being a four sided parallelogram with a right angle;   an electrical connector mounted on each of the one or more cleaner modules, the electrical connector to connect the air cleaning apparatus to power and to a control,   each of the one or more cleaner modules consists of four cells,   the one or more cleaner modules consisting of one to six, eight, or twelve cleaner modules,   the electrical connector including at least three wiring connections,   the at least three wiring connections having a first and a second wiring location on opposing ends relative to each other, the first and second wiring locations configured to serially connect one of the one or more cleaner modules to another cleaner module, and   a third wiring location being on a side that is the same as one of the first or second wiring locations and at an opposite end from the one of the first or second wiring location, and the third wiring location located on a different side than the other of the first or second wiring location, the third wiring location configured to allow rotation of the module and to serially connect the one of the one or more cleaner modules to another cleaner module, and   the one or more cleaner modules being configured to be housed in a ducted system and within an air flow path.   
     
     
         22 . The air cleaning apparatus of  claim 21 , wherein each frame being a dimension of at or about 11⅜ in×23⅜ in×1¾ in, at or about 19⅜ in×19⅜ in×1¾ in, at or about 19⅜ in×23⅜ in×1¾ in, or at or about 23⅜ in×23⅜ in×1¾ in.