Abstract: An HVAC system for a work vehicle having an operator compartment for a vehicle operator, the system including a heating system, a compartment pressurizer blower, a compartment recirculation blower, a temperature sensor, and an operating mode switch, each operably coupled to an electronic circuit, wherein the circuit is configured to reduce pressurizer blower output when the operator selects high output from the heating system under certain predetermined temperature and conditions and operating modes to improve HVAC system performance.

Abstract: A method and a device for influencing the temperature of at least one electromechanical component situated in a motor vehicle, in which a transmission situated in the motor vehicle is cooled by a transmission oil flowing in a transmission cooling circuit. A cooling circuit branch is provided for influencing the temperature of the electromechanical component. The transmission oil also flows in the cooling circuit branch as a heat carrier. The flow rate of the transmission oil in the cooling circuit branch is influenced for influencing the temperature of the electromechanical component as a function of the setpoint operating temperature and/or the actual operating temperature of the electromechanical component.

Abstract: A powertrain cooling system includes a coolant pump and coolant flow passages. A first three-position valve is operatively connected with an outlet of the coolant pump and has a first, a second, and a third position to at least partially establish different coolant flow modes through the coolant flow passages. Coolant flow from the coolant pump is blocked from both the cylinder head and the engine block in a first coolant flow mode when the three-position valve is in the first position. Coolant flow from the coolant pump is provided to the cylinder head and is blocked from the engine block in a second coolant flow mode when the three-position valve is in the second position. Coolant flows from the coolant pump to the engine block and from the engine block to the cylinder head in a third coolant flow mode when the three-position valve is in the third position.

Abstract: A cooling system for an internal combustion engine in a vehicle comprises a variable-speed coolant pump and a plurality of heat-transfer nodes coupled in a coolant loop with the pump. Each node generates a flow rate request based on an operating state of the node. A pump controller receives the flow rate requests, maps each respective flow request to a total pump flow rate that would produce the respective pump flow rate request, selects a largest mapped pump flow rate, and commands operation of the pump to produce the selected flow rate.

Abstract: A cooling system for a vehicle includes a flow channel circulating a liquid medium cooling a drive device of the vehicle, a plurality of temperature sensors provided at different positions on the flow channel, a heating element provided on the flow channel and cooled by the liquid medium, and a control device controlling heat generation from the heating element. The control device changes a heat generating state of the heating element, and estimates a flow rate of the liquid medium flowing through the flow channel based on a time lag taken for detecting a temperature change caused by changing the heat generating state by the plurality of temperature sensors. Preferably, the drive device includes a motor, and a power control unit for driving the motor, and the heating element is a power control element in the power control unit.

Abstract: The invention relates to a thermal control device intended to dissipate the heat generated by a payload on a spacecraft, comprising a number of surfaces and including means for circulating a refrigerant. An evaporation zone (Z1) comprises means for circulating the refrigerant, a compression zone (Z2), a condensation zone (Z3) comprising at least one radiating panel, linked to a part of the means for circulating the refrigerant, including several branches and comprising means to allow or inhibit the circulation of the refrigerant within these branches so as to vary the area of the heat exchange surface in the condensation zone, a pressure reduction zone (Z4) comprising means for circulating the refrigerant. Such a device is particularly well adapted to thermal problems encountered in telecommunications satellites.

Abstract: The invention relates to an air-conditioning system for a motor-driven vehicle, having a refrigerant circuit (20) with a plurality of heat exchangers (4, 24) through which a refrigerant can be conducted for an exchange of heat with the air which flows through them, with it being possible for the heat exchangers (4, 24) to be operated as heaters or as evaporators as a function of the operating state of the air-conditioning system, and at least one third heat exchanger (16) is provided in the refrigerant circuit (20), which third heat exchanger (16) serves for an exchange of heat with a coolant circuit (13) which is formed separately from the refrigerant circuit (20). The vehicle can be both a motor vehicle and also a fuel-cell-driven vehicle.

Abstract: A request heat calculation unit calculates a request heat power requested to heat sources to supply. A heat cost calculation unit calculates a relationship between a heat power supplied from each of the heat sources and a heat cost, which is a fuel quantity consumed to supply a unit heat power. An abnormal source detection unit detects an abnormal heat source, which cannot normally supply a heat power, from the heat sources. An abnormal heat calculation unit calculates an abnormal heat power supplied from the abnormal heat source. A determination unit determines distribution of heat power supplied from the heat sources based on both the relationship and the abnormal heat power, such that a sum of the heat power supplied from the heat sources coincides with the request heat power, and the heat cost of all the heat sources is minimized.

Abstract: There is provided an air-cooling structure for a vehicle-mounted object is capable of taking in a sufficient amount of air. The top end of an air suction part 36 is opened extremely near an air deflector 20 behind the air deflector 20. With this, an air flow W4 prevented from flowing to a vehicle compartment space 12 by the air deflector 20 is introduced to the top end of the air suction part 36 and flows into the interior of the air suction part 36. In this manner, the air flow W4 flowing at a speed corresponding to the running speed of a vehicle 10 flows into the interior of the air suction part 36, so that even though the air flow W4 is the outside air, the air flow W4 can effectively air-cool a battery 34 installed in a battery housing part 32.

Abstract: Methods, systems, and vehicles are provided for providing adaptive automatic climate control functionality for a vehicle. A sensor is configured to detect when a manual override of an automatic climate control feature of a vehicle has occurred. A processor is coupled to the sensor, and is configured to initiate the automatic climate control feature for the vehicle and adjust a calibration of the automatic climate control feature when the manual override has been detected.

Abstract: Embodiments of the present disclosure are generally directed to a system for supplying fresh air to the aft compartment of a vehicle, such as a heavy-duty vehicle. The fresh air is not conditioned by heating or cooling prior to providing the fresh air to the cab.

Abstract: A vehicle air conditioning apparatus is provided that can extend the mileage of a vehicle by reducing the power consumed by the operation of a compressor and a heater. When a required quantity of heating Q_req is acquired, the minimum power sharing ratio between quantity of heat release Q_hpof a water-refrigerant heat exchanger 22 and quantity of heat release Q_htrof a water heater 32 is calculated, which allows the power consumption W_total to be minimized, and a compressor 21 and the water heater 32 is operated based on the result of the calculation.

Abstract: A method is provided for monitoring for a clogged or unclogged state of an air filter in an automotive HVAC system. The HVAC system includes a blower having a blower motor providing a driven airflow. A plurality of outlet registers is controllable to provide a plurality of circulation modes. An evaporator selectably cools the driven airflow, and the air filter passes the driven airflow. The method enters a baseline condition, wherein the baseline condition includes applying a moisture purge to the evaporator and selection of a predetermined circulation mode. The blower motor is controlled to maintain a testing speed. An energization of the blower motor is quantified while maintaining the testing speed. The energization is compared to a base value derived according to the baseline condition with the air filter in an unclogged state. A replacement action is triggered when the energization is greater than the base value.

Abstract: A method and a system for changing the power consumption value available for an HVAC unit of a vehicle when an available battery power for batteries of the vehicle is low. A method and a system for non-linearly changing the power consumption value available for the HVAC unit when the available battery power decreases to a power value less than a low power value. The system can be a vehicle including batteries, an HVAC unit, an ECU and a memory. The method may include setting an HVAC power consumption value to a relatively constant power value when the available battery power is greater than a low power value and decreasing the HVAC power consumption value by a non-linear rate of power reduction when the available battery power decreases to a power value less than the low power value.

Abstract: An air conditioner for vehicles having a two layer air flow structure which uses one temperature control door for adjusting the temperature and serving as a partition wall for the two-layer air flow structure.

Abstract: In a vehicular air conditioning apparatus, a first blower unit is connected by a connection duct to a side portion of a casing having respective air passages defined therein, and a second blower unit separate from the first blower unit is connected to a lower portion of the casing. In addition, air is supplied to the interior of the casing from the first blower unit and is cooled by a first cooling section of an evaporator, whereas air that is supplied from the second blower unit is cooled by passing through a second cooling section in the evaporator, which is separated from the first cooling section by a pair of first and second partitioning members.

Abstract: In a method for controlling an aircraft air conditioning system, a heating or cooling demand of an aircraft region to be air conditioned is determined. A volume flow of recirculation air discharged from the aircraft region to be air conditioned and a volume flow of compressed air into a mixing chamber of the aircraft air conditioning system is controlled such that the heating or cooling demand of the aircraft region to be air conditioned is met, while the volume flow of compressed air into the mixing chamber of the aircraft air conditioning system is minimized.

Abstract: A method of conserving energy during a heating event wherein a coolant is heated in a cooling system is disclosed. The method includes establishing a first set point temperature for a first point in the cooling system and establishing a second set point temperature lower than the first set point temperature for a second point in the cooling system. Normally, the coolant is maintained at the second set point temperature at the second set point in the cooling system. During the heating event, the second set point temperature is raised to substantially match the first set point temperature to reduce necessary heating of the coolant at the first point.

Abstract: A climate control system of a vehicle and a method of controlling the climate control system to minimize vehicle energy consumption and maximize occupant comfort. The climate control system includes a main HVAC system for conditioning a fluid discharged into a passenger compartment of the vehicle, an auxiliary HVAC system for conditioning a localized fluid of at least one HVAC zones of the passenger compartment, a seat system, and an HVAC controller. The HVAC controller controls the main HVAC system, the auxiliary HVAC system, and the seat system based upon at least one parameter and condition which pertains to at least one of electrical energy consumption of the vehicle and occupant comfort.

Abstract: A system that supplements the cooling of the power train of the vehicle and maintains the vehicle's cabin temperature. The system includes an processor, a blower, a heater core, and an evaporator. The blower blows air over the heater core so as to make the heater core in essence an auxiliary radiator. The system further includes a first proportioning valve and a second proportioning valve. The proportioning valves are operable by the processor to control the flow of the dissipated heat between the vehicle cabin and a designated location. Specifically, the first proportioning valve is disposed upstream the heater core and is moveable between an open position and a closed position. The second proportioning valve is disposed downstream the heater core and directs airflow from the heater core between the vehicle cabin and the environment.

Abstract: A system and method for determining a climate energy index, comprising: identifying a geographic location; identifying comfort zone criteria; determining a characteristic energy potential associated with the geographic location and the comfort zone criteria, and determining a climate energy index associated with delivered energy based on the characteristic energy potential for the geographic location.

Abstract: A truck includes an alternator having a direct current electrical power output. The truck also includes a combined inverter and charger unit having an alternating current electrical power output, a house battery and a starting battery. The combined inverter and charger unit is configured to charge the house battery and the starting battery. The truck further includes a day cab forming an interior space and a climate control unit for conditioning the interior space of the day cab. The climate control unit is adapted to be powered by an alternating current electrical source. The climate control unit is powered by the alternator through the combined inverter and charger unit when an engine of the truck engine is running, and is powered by the house battery or the starting through the combined inverter and charger unit when the engine is not running.

Abstract: An HVAC system for heating and cooling a passenger compartment of a vehicle includes a first heat exchanger that transfers heat between a primary loop and a secondary loop. The primary loop is a reversible loop and uses high pressure refrigerant. A compressor pressurizes the refrigerant. A second heat exchanger selectively transfers heat energy to and from the passenger compartment. The secondary loop is a low pressure liquid coolant loop that passes through the first heat exchanger. A pump moves fluid through the secondary loop. A third heat exchanger transfers heat to and from an external medium from the fluid passing through the secondary loop. A secondary heat source adds heat to the secondary loop during a heating mode. A bypass means selectively bypasses the secondary heat source during a cooling mode.

Abstract: An air conditioner for a vehicle equipped with a battery includes an air conditioning unit, and a control unit. The air conditioning unit performs air-conditioning of the vehicle compartment and the control unit controls operation of the air conditioning unit. The control unit restricts the operation of the air conditioning unit when the remaining battery capacity is less than or equal to a predetermined value. Thus, it is possible to ensure running safety while passenger thermal comfort can be improved.

Abstract: A thermal control apparatus for a vehicle includes a first circulation circuit provided with an internal heat exchange unit, a cooling heat thermal storage unit, and a warming heat thermal storage unit, a second circulation circuit provided with an external heat exchange unit, and a Peltier element that transfers heat between a thermal medium in the circuit and a thermal medium in the circuit. When a request to cool a vehicle interior can be met by the cooling heat stored in the thermal storage unit, the vehicle interior is cooled using the cooling heat stored therein with the drive of the Peltier element stopped. When a request to heat the vehicle interior can be met by the warming heat stored in the thermal storage unit, the vehicle interior is heated using the warming heat stored therein with the drive of the Peltier element stopped.

Abstract: An air conditioner for an automobile includes a foot door (11) and a mixing area. The foot door has a partition wall, and is movable at least between an advanced position where the partition wall reaches a state of blocking an air flow from a merging area to the downstream side in an air passage, and a retreated position where the partition wall retreats from the advanced position in the air passage. The mixing area is provided in the air passage while the partition wall is located in the advanced position, and is designed to cause the air flowing from a cold air passage and the air flowing from a hot air passage into the merging area to mix up more by using the partition wall to block the air flowing from the merging area to the downstream side. Thus, the air conditioner is designed to cause the air to flow into the discharge passage systems via the mixing area.

Abstract: An air-conditioner conducts an air-conditioning for a passenger compartment of a vehicle, and has an eco-mode to save energy. The air-conditioner includes a seat temperature control system and a controller. The seat temperature control system is configured to operate to heat or cool a seat in the passenger compartment. The controller automatically activates the seat temperature control system when the eco-mode is set.

Abstract: A cold engine lockout CELO method is carried out when cooling water of an engine is not sufficiently warmed upon the startup of a vehicle in the winter according to default levels, wherein the default levels are divided into a total default level, a partial default level and a control level according to inside and outside air temperatures.

Abstract: A thermal management system for an electric vehicle includes a motor circuit for cooling a motor circuit thermal load, a cabin heating circuit for heating a cabin heater and a battery circuit for managing the temperature of a battery circuit thermal load. All of these circuits can fluidically communicate with each other and a single radiator can cool the fluid from all of these circuits.

Abstract: The invention relates to an air-conditioning system (1), especially an automotive air-conditioning system, which comprises a multi-part air conduction housing (1) and components disposed therein, such as at least one heater (H: h). The air conduction housing (1), in the area of at least one component, is configured as a replacement part, especially in the form of a part to be pushed in.

Abstract: An air conditioner for a vehicle equipped with a motor for driving the vehicle has a vehicle speed detecting unit, an electric compressor, an evaporator, an electric compressor rotation speed controlling unit, a controlling unit and a refrigerant pressure detecting unit. The controlling unit calculates a first candidate for a rotation speed upper limit value of the electric compressor based on a vehicle speed detected by the vehicle speed detecting unit, calculates a second candidate for the rotation speed upper limit value of the electric compressor based on a refrigerant pressure detected by the refrigerant pressure detecting unit, and decides a minimum value of the first and second candidates for the rotation speed upper limit value of the electric compressor, as the rotation speed upper limit value of the electric compressor.

Abstract: The proposal is for a heating/cooling device for vehicles, in particular motor vehicles with electric drive, having a refrigerant circuit, which comprises a compressor (3), a gas cooler (5), an evaporator (7) and an expansion valve arranged between the gas cooler (5) and the evaporator (7). The heating/cooling device is characterized in that the gas cooler (5) interacts with a first liquid coolant circuit (9), and the evaporator (7) interacts with a second liquid coolant circuit (11), wherein an interior heat exchanger (17) can be assigned to the first or the second liquid coolant circuit (9, 11), and wherein an external-air heat exchanger (19) can be assigned to the first or the second liquid coolant circuit (9, 11).

Abstract: The present invention relates to a temperature control device with at least one heat source and, additionally or alternatively, a heat sink and with at least one temperature detector for monitoring the temperature of the temperature control device. It is provided that the temperature control device comprises a sensor temperature control device that can be selectably switched on in order to additionally temper the temperature detector at least in some operating stages.

Abstract: In a heater core that constitutes part of a vehicular air conditioning apparatus, a plurality of first and second tubes are provided through which heated water flows through the interior thereof, and fins having louvers therein are disposed between the first and second tubes. Further, the heater core is equipped with a first heating section, which faces toward a first front passage through which air from a first blower unit flows, and a second heating section, which faces toward a first rear passage through which air from a second blower unit flows. Between the first heating section and the second heating section, a partitioning fin is disposed for blocking communication of air mutually between the first and second heating sections. Additionally, the first and second tubes are arranged in parallel to the direction in which the partitioning fin extends.

Abstract: A temperature control apparatus, for radiating heat from a side door to a vehicle interior, includes components which are provided inside each of the vehicle body and side door, respectively. A heat source is disposed within a peripheral edge part of an opening in a vehicle body. A heat pipe is provided in the side door. When the door opening is closed by the side door, the heat source and heat pipe come into contact, and are thermally connected by a heat transmission mechanism.

Abstract: In an evaporator that constitutes part of a vehicular air conditioning apparatus, first fins having louvers therein are arranged between first and second tubes. Together therewith, a second fin, which does not have any louvers therein, is provided at a boundary portion between a first cooling section, which faces toward a first front passage through which air from a first blower unit flows, and a second cooling section, which faces toward a first rear passage through which air from a second blower unit flows. In addition, air is supplied to the interior of a casing from the first blower unit and is cooled by the first cooling section, which is partitioned by the second fin, whereas air supplied from the second blower unit passes through the second cooling section, which is partitioned from the first cooling section by the second fin.

Abstract: A thermal-protection apparatus disposed in a vehicle cabin or storage compartment includes a housing enveloping a chamber in which a thermally-sensitive consumer electronic device is received, a thermoelectric module mounted in a wall of the housing, and a remote electronic controller and power source coupled to the housing via an electrical cable for activating the thermoelectric module, and optionally the consumer electronic device, in a manner to prevent the temperature in the chamber from exceeding a prescribed maximum operating temperature of the consumer electronic device or falling below a prescribed minimum operating temperature of the consumer electronic device.

Abstract: A vehicle heating and air conditioning system basically includes an interior/exterior air introducing structure, a heating device, a driving end time acquiring section and an interior/exterior air switching control section. The interior/exterior air introducing structure switches the flow of cabin intake air between an interior air recirculation mode and an exterior air introducing mode. The heating device heats the cabin intake air being introduced by the interior/exterior air introducing structure. The driving end time acquiring section estimates a driving end time corresponding to a point in time at which driving of a vehicle is predicted to end. The interior/exterior air switching control section switches the interior/exterior air introducing structure from the exterior air introducing mode to the interior air recirculation mode during a period of time from a prescribed point in time until the driving end time to restrict windshield fogging while in the interior air recirculation mode.

Abstract: An air-conditioning unit for a vehicle that has an idling stop function, may include: a blower fan configured to blow air; a first air-outlet port configured to permit air blown from the blower fan toward a first portion of a vehicle cabin; a second air-outlet port configured to permit air blown from the blower fan toward a second portion of the vehicle cabin; and an air-conditioning controller.

Abstract: A temperature control device for a vehicle is provided that includes a first air duct for guiding a first portion of an air flow and a second air duct for guiding a second portion of an air flow. A cooling device is disposed in the first air duct, in order to cool the first portion of the air flow. A mixer device is provided for mixing the first air flow from the first air duct with the second portion of the air flow from the second air duct in order to generate a temperature controlled air flow.

Abstract: A method of heating a cabin of a motor vehicle that includes an internal combustion engine operatively connected to an exhaust system having a catalyst, and a heating, ventilation, and air conditioning (HVAC) system is provided. The method includes detecting a request to increase temperature inside the cabin, supplying fuel and air to the engine, and motoring the engine to pump the fuel and air into the exhaust system. The method also includes heating the catalyst to combust the fuel and air inside the catalyst such that a stream of post-combustion exhaust gas is generated. The method additionally includes channeling the generated stream of post-combustion exhaust gas to the HVAC system such that a temperature of a coolant circulated through the HVAC system is increased to heat the cabin. A system configured to perform the above method is also disclosed.

Abstract: An air intake method and system of an air conditioner for a vehicle may include a temperature measuring step, a speed sensing step, a blower sensing step, and a simultaneous indoor and outdoor air intake step. The air intake system includes a water temperature sensor for measuring the temperature of cooling water of the vehicle, a speed sensor for measuring the speed of the vehicle, a control switch for turning on or off a blower, a control unit and an intake actuator. The control unit receives the temperature measured by the water temperature sensor, the speed measured by the speed sensor and ON/OFF data from the control switch, thus determining whether to simultaneously draw indoor and outdoor air in or not. The intake actuator provides driving force so that an indoor and outdoor air control door simultaneously opens indoor and outdoor air inlets.

Abstract: A vehicle air conditioning system includes a duct, a refrigerant evaporator, an air conditioning cooling flow passage, a heater core, a heater hot fluid flow passage, a heat exchanger, an electric heater, an electrical component cooling flow passage, a communication flow passage, a fluid temperature sensor and a flow passage selector valve. The duct provides air to a vehicle cabin interior. The cooling flow passage provides cooled refrigerant to the evaporator. The hot fluid flow passage provides hot fluid to the heater core. The heat exchanger exchanges heat between the refrigerant and the hot fluid. The heater warms the hot fluid having undergone heat exchange. The cooling flow passage cools an electrical component. The communication flow passage parallely connects the hot fluid and electrical component flow passages. The valve allows hot fluid to flow into the cooling flow passage when the hot fluid has a high temperature.

Abstract: A radiant heating device for a vehicle includes a radiant heater that radiates radiant heat toward a passenger and is provided together with an air-conditioner that selectively introduces air outside a passenger compartment or air inside the passenger compartment and then supplies conditioned air generated from the introduced air into the passenger compartment. The radiant heating device includes a controller that differentiates a radiant energy amount of the radiant heater when the introduced air into the air-conditioner is the air outside the passenger compartment from when the introduced air is the air inside the passenger compartment. According to the radiant heating device, the passenger can be provided with warm comfort feeling both in an outside air intake mode and in an inside air intake mode of the air-conditioner.

Abstract: Certain embodiments are directed to components, subassemblies, systems, and/or methods for auxiliary power units (APU). In one embodiment, the APU is provided with a control system having an automatic start process. The automatic start process enables operation of the APU within a preset range of battery voltage, time, temperature and other parameters. In yet other embodiments, the APU is provided with a control system having a data verification process. The data verification process can be configured to set the operating mode of the APU. In one embodiment, the operating mode of the APU is a “purchase” mode. In other embodiments, the operating mode of the APU is a “lease” mode.

Abstract: A smart HVAC system adapted for selectively regulating fluid flow into a space generally includes an HVAC system including at least one active vent, a preferably variable blower fluidly coupled thereto, and at least one sensor associated with each vent, wherein the sensor is operable to cause the associated vent to shift between opened and closed conditions, and/or preferably the blower output to change, when an occupant is autonomously detected within at least a portion of the space.

Abstract: A passenger aircraft includes a cabin subdivided into a plurality of cabin zones supplied with feed air from respective supply lines, a plurality of temperature sensors, and an electronic control unit coupled to the plurality of temperature sensors. The plurality of temperature sensors measures a plurality of individual ambient temperature values associated with different locations in at least one of the plurality of cabin zones. The electronic control unit derives a derived ambient temperature value for the at least one cabin zone from the plurality of individual ambient temperature values. The electronic control unit then controls a temperature of the feed air supplied to the at least one cabin zone based on the difference between the derived ambient temperature value and a room temperature target value for the at least one cabin zone.

Abstract: An vehicular air-conditioner includes a refrigeration cycle including a compressor, an outside condenser, an interior condenser, an evaporator, an expansion valve, a bypass-path bypassing the outside condenser, a cooling path that circulates refrigerant through the outside condenser, a heating path that circulates refrigerant through the bypass-path, and a changeover valve that changes a refrigerant circulation path to one of the cooling and heating paths, a high-pressure detector that detects a high-pressure-side pressure of the refrigeration cycle, and a controller. The controller controls, upon a changeover command to a heating mode during a cooling mode, the changeover valve to change the refrigerant circulation path from the cooling path to the heating path after the high-pressure-side pressure detected by the high-pressure detector becomes equal-to/lower-than a target pressure.

Abstract: An air conditioning system, which can automatically remove a malodor generated due to condensate water remaining in an evaporator during a predetermined period of time after operation of an air conditioner or turning-off of the air conditioner and control a filtering mode time of a filter to filter an air. The air conditioning system characteristically comprises a shiftable deodorization filter (30 or 40) located on a flow channel of the cool air passageway and operationally moved to a filtering mode position so as to screen the flow channel of the cool air passageway during a predetermined period of time after an air conditioner is turned on or off, whereby the air passing through the cool air passageway C and a malodor contained in the air are filtered.

Abstract: A system for controlling air-conditioning of a vehicle includes an input, an offset generator module, and an evaporator temperature control module. The input receives an input temperature. The offset generator module receives a psychrometric parameter of air inside the vehicle and generates offsets based on the input temperature and the psychrometric parameter. The evaporator temperature control module generates a target evaporator temperature based on the offsets.