CN111795524A - Heat pump system control method - Google Patents
Heat pump system control method Download PDFInfo
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- CN111795524A CN111795524A CN202010594485.7A CN202010594485A CN111795524A CN 111795524 A CN111795524 A CN 111795524A CN 202010594485 A CN202010594485 A CN 202010594485A CN 111795524 A CN111795524 A CN 111795524A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B47/00—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
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Abstract
The embodiment of the invention provides a heat pump system control method, which comprises a parameter query and modification control scheme, wherein the parameter query and modification control scheme comprises a parameter query control logic and a parameter modification control logic, and specifically comprises the following steps: entering a parameter query mode by successively pressing a setting key of the touch screen twice, and then selecting parameters to be checked by pressing an add-subtract key; after entering the parameter query mode, the setting key is pressed once again to enter the parameter setting mode, then the parameters can be set by pressing the plus-minus key, and finally the confirmation is completed by pressing the setting key. The parameter query and parameter setting operation under different modes of the heat pump can be executed through the setting key and the plus-minus key, the specific operation process is completed only by short pressing or long pressing, the operation process is not complex, the man-machine interaction mode is straightforward, and the use experience of a user can be met to the maximum extent.
Description
Technical Field
The invention relates to the technical field of heat pump systems, in particular to a heat pump system control method.
Background
Under the current situation that the energy supply is becoming tight and the requirement for environmental protection is increasing, people are continuously seeking new energy which is energy-saving and environment-friendly, and a heat pump is one of the new energy. The heat pump can realize the transmission of low-temperature heat energy to high-temperature heat energy, can greatly utilize the heat in natural resources and waste heat resources, and effectively saves primary energy required by civil and industrial use, wherein the heat pump control system is a system capable of controlling the operation process of the heat pump and equipment thereof.
The heat pump system is provided with a touch screen which is an induction type liquid crystal display device capable of receiving input signals such as a contact, and a user can operate the system host machine by lightly touching an icon on the touch screen with a finger. The key signals generated by pressing the touch screen are sent to the CPU, and then the CPU sends various commands to various parts of the heat pump system according to the signals, so that the parts cooperate to complete corresponding operations. However, the heat pump system has a plurality of operation modes, each operation mode corresponds to different operations such as inquiry or setting, and in order to comprehensively control the operations such as inquiry and setting of each mode, the operation needs to be achieved by setting more keys on a touch screen or by a complex key combination mode.
Disclosure of Invention
The invention provides a heat pump system control method, aiming at solving the problems that the man-machine interaction mode of the existing heat pump system is inconvenient and direct and the use experience of a user is difficult to meet.
A heat pump system control method comprising a parameter query and modification control scheme, wherein the parameter query and modification control scheme comprises the steps of:
s110: pressing a setting key of the touch screen to enter a parameter query and modification interface, after entering the parameter query and modification interface, long-pressing the setting key to enter a parameter query mode, then pressing an add-subtract key to check the parameters of the heat pump system forwards or backwards, and when the parameters need to be set, entering step S120;
s120: and for the parameters to be set, firstly pressing the setting key to enter a parameter setting mode, then setting the parameters by pressing the addition and subtraction key, pressing the setting key again to finish final confirmation after the parameter setting is finished, and if the setting key is not pressed, the parameter setting is invalid.
Further, the step of pressing the setting key for a long time in S110 to enter the parameter query mode includes: pressing the setting key for more than 6S, and entering the parameter query mode after the buzzer rings for two times;
after the parameter setting is completed in S120, pressing the setting key again to complete final confirmation includes: and after the setting key is pressed again, the main control board or the wire controller completes the modification and recording of the parameters in 10S.
Further, the method also comprises a clock and timing control scheme, wherein the clock and timing control scheme comprises the following steps:
s210: a mode key of the touch screen is pressed for a long time to enter a clock setting mode, the mode key is pressed for a long time again after the mode key enters the clock setting mode, the step S220 is entered, if the mode key is not pressed for a long time, a clock can be set by pressing the add-subtract key, after the clock setting is finished, the setting key or the switch key is pressed to exit the clock setting mode, or after 20 seconds, the clock setting mode is automatically exited;
s220: pressing the mode key for a long time again and then entering a timing setting mode, wherein the timing setting mode comprises a timing opening mode and a timing closing mode, after entering the timing setting mode, pressing the setting key can switch the timing opening mode and the timing closing mode, then pressing the addition and subtraction key can set the timing opening time of the timing opening mode or the timing closing time of the timing closing mode, after finishing the timing setting, pressing the setting key again to finish the final confirmation and quit the timing setting mode, and after finishing the confirmation, if needing to cancel the timing setting, then entering step S230;
s230: and long pressing the mode key to enter the clock setting mode, long pressing the mode key again to enter the timing setting mode, then pressing the addition and subtraction key to select a timing period to be cancelled, pressing the setting key after selecting the timing period, and then confirming to complete the cancellation of the timing period.
Further, the entering the clock setting mode by pressing the mode key of the touch screen for a long time in S210 includes: pressing the mode key for more than 6S, and entering the clock setting mode after the buzzer rings for two times;
in S220, entering the timing setting mode after long pressing the mode key again includes: pressing the mode key for more than 6 seconds again, and entering the timing setting mode after the buzzer rings for two times;
in S230, the long pressing of the mode key to enter the clock setting mode, and the long pressing of the mode key again to enter the timing setting mode includes: and after the mode key is pressed for more than 6S and the buzzer rings for two sounds, the clock setting mode is entered, and after the mode key is pressed for more than 6S and the buzzer rings for two sounds, the clock setting mode is entered.
Further, a target water temperature setting control scheme is also included, the target water temperature setting control scheme comprising the steps of:
s310: pressing the add-subtract key to enter a target water temperature setting mode, and after entering the target water temperature setting mode, selecting an operation mode to be set through pressing a mode key, so as to set target water temperatures in different operation modes;
s320: after the operation mode needing to be set is selected, the target water temperature can be set by pressing the plus-minus key, and after the target water temperature is set, the switch key is pressed to exit the target water temperature setting mode, or after 20 seconds, the target water temperature setting mode is automatically exited.
Further, the method also comprises a fault inquiry control scheme, wherein the fault inquiry control scheme comprises the following steps:
s410: when the heat pump system has a fault, the fault display area of the touch screen displays a fault code, different fault codes can be checked by pressing the add-subtract key, and after the check is finished, the on-off key is pressed to return to the main interface.
Further, a forced defrost control scheme is included, the forced defrost control scheme including the steps of:
s510: entering a defrosting mode after the setting key is pressed for a long time, after entering the defrosting mode, carrying out defrosting operation by the heat pump system according to actual conditions, and executing a shutdown command after the defrosting operation is finished even if the touch screen controller is shut down;
s520: and automatically exiting the defrosting mode when the defrosting exit condition is met, and entering a heating mode.
Further, the entering the defrost mode after long pressing the set key at S510 includes: and pressing the setting key for more than 6 seconds, and entering the defrosting mode after the buzzer rings for two times.
Further, a heat pump mode selection control scheme is included, the heat pump mode selection control scheme including the steps of:
s610: entering an operation mode selection interface after the mode key is pressed, wherein the operation modes comprise a refrigeration mode, a heating mode, a water heating mode, a refrigeration + water heating mode and a heating + water heating mode
The heat pump system control method provided by the invention comprises a parameter query and modification control scheme, wherein the parameter query and modification control scheme comprises a parameter query control logic and a parameter modification control logic, and specifically comprises the following steps: entering a parameter query mode by successively pressing a setting key of the touch screen twice, and then selecting parameters to be checked by pressing an add-subtract key; after entering the parameter query mode, the setting key is pressed once again to enter the parameter setting mode, then the parameters can be set by pressing the plus-minus key, and finally the confirmation is completed by pressing the setting key. Parameter inquiry and parameter setting operation under the different modes of heat pump can be carried out through setting up two kinds of buttons of key and add and subtract key, and its specific operation process is accomplished for the collocation that only presses for a short time or press for a long time, and the operation process is not complicated, and the man-machine interaction mode is straightforward, can satisfy user's use experience at the at utmost, has thoroughly solved current heat pump system man-machine interaction mode and is convenient and direct not difficult to satisfy user's use experience's problem.
Drawings
FIG. 1 is a schematic diagram of a parameter query and modification control scheme of the present invention;
FIG. 2 is a schematic diagram of the clock and timing control scheme of the present invention;
FIG. 3 is a schematic illustration of a target water temperature setting control scheme of the present invention;
FIG. 4 is a schematic diagram of a fault query control scheme of the present invention;
FIG. 5 is a schematic diagram of the forced defrost control scheme of the present invention;
FIG. 6 is a schematic diagram of a heat pump mode selection control scheme of the present invention;
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Referring to fig. 1, a heat pump system control method according to an embodiment of the present invention includes a parameter query and modification control scheme, the parameter query and modification control scheme including the steps of:
s110: pressing a setting key of the touch screen to enter a parameter query and modification interface, after entering the parameter query and modification interface, long-pressing the setting key to enter a parameter query mode, then pressing an add-subtract key to check the parameters of the heat pump system forwards or backwards, and when the parameters need to be set, entering step S120;
s120: and for the parameters to be set, firstly pressing a setting key to enter a parameter setting mode, then setting the parameters by pressing an addition and subtraction key, after the parameter setting is finished, pressing the setting key again to finish final confirmation, and if the setting key is not pressed, the parameter setting is invalid.
The parameter query mode is entered by pressing the set key for a short time first and then pressing the set key for a long time, and the parameter set mode is entered by pressing the set key for a short time again in the parameter query mode, so that the setting of the parameters is completed.
The existing heat pump system is provided with different keys for parameter query and setting respectively, and is provided with different keys for matching to complete corresponding execution operation, the number of the keys is more, the matching among the keys is complex, and the man-machine interaction mode is inconvenient and direct. The parameter query and modification control scheme of the invention only executes to enter or exit the parameter query mode and the parameter modification mode through the pressing times and the pressing time of one setting key, and executes the query of different parameters and the setting of specific parameters through pressing the addition and subtraction keys, so the operation process is very simple, the man-machine interaction mode is straightforward, and the use experience of a user can be met to the greatest extent.
Further, the entering of the long-press setting key into the parameter query mode described in S110 specifically includes: pressing the setting key for more than 6S, and entering a parameter query mode after the buzzer rings for two sounds; after the parameter setting described in S120 is completed, pressing the setting key again to complete the final confirmation specifically includes: after the set key is pressed again, the main control board or the line controller completes the modification recording of the parameters in 10S.
The setting key is pressed for more than 6S, so that misoperation such as continuous short pressing of the setting key by a user is prevented, the parameter query mode is prevented from being entered by mistake, the buzzer is set to sound two sounds, the operation warning effect is provided, and the condition that the user presses the setting key by mistake is further avoided.
Referring to fig. 2, according to an embodiment of the present invention, the heat pump system control method further includes a clock and timing control scheme, the clock and timing control scheme including the steps of:
s210: the method comprises the following steps that a mode key of a touch screen is pressed for a long time to enter a clock setting mode, the mode key is pressed for a long time again to enter a step S220 after the mode key enters the clock setting mode, if the mode key is not pressed for a long time, a clock can be set by pressing an add-subtract key, after the clock setting is finished, a setting key or a switch key is pressed to exit the clock setting mode, or after 20 seconds, the clock setting mode is automatically exited;
s220: entering a timing setting mode after long-time pressing of the mode key, wherein the timing setting mode comprises a timing opening mode and a timing closing mode, switching the timing opening mode and the timing closing mode by pressing the setting key after entering the timing setting mode, setting the timing opening time of the timing opening mode or the timing closing time of the timing closing mode by pressing the addition and subtraction key, finishing final confirmation by pressing the setting key again after the timing setting is finished, exiting the timing setting mode, and entering step S230 if the timing setting is required to be cancelled after the confirmation is finished;
s230: and the long-time pressing of the mode key enters a clock setting mode, the long-time pressing of the mode key again enters a timing setting mode, then a timing period needing to be cancelled is selected by pressing the addition and subtraction key, and the cancellation of the timing period is completed after the timing period is selected and the setting key is pressed for confirmation.
The clock setting mode can be entered by long-time pressing of the mode key, and the clock can be exited by pressing of the mode key after the clock setting is finished; and the timing setting mode can be entered by continuously pressing the mode key twice for a long time, and then the timing opening mode and the timing closing mode can be freely switched by pressing the setting key, thereby completing the operation of timing opening or timing closing.
Similarly, the existing heat pump system sets the clock and the timing control in different keys respectively, and assists other keys with different settings to complete corresponding execution operations, the number of keys is more, the matching among the keys is complex, and the man-machine interaction mode is inconvenient and direct. The clock and timing control scheme of the invention respectively executes the entering of the clock setting mode and the timing setting mode only by the pressing times and the pressing time length of one mode key, executes the setting of the clock and the setting and cancellation of different timing periods by pressing the addition and subtraction keys, and finally finishes exiting by the setting key. The operation process is very simple, the man-machine interaction mode is straightforward, and the use experience of the user can be met to the maximum extent.
Further, the step of entering the clock setting mode by pressing the mode key of the touch screen for a long time in S210 is specifically: the mode key is pressed for more than 6S, and the buzzer sounds for two times, and then the clock setting mode is entered; the specific step of entering the timing setting mode after long-pressing the mode key again in S220 is: pressing the mode key for more than 6S again, and entering a timing setting mode after the buzzer rings for two times; entering the clock setting mode by long-pressing the mode key described in S230, and entering the timing setting mode by long-pressing the mode key again includes: and after the mode key is pressed for more than 6S and the buzzer rings for two sounds, the clock setting mode is entered, and after the mode key is pressed for more than 6S and the buzzer rings for two sounds, the timing setting mode is entered.
The same principle as the parameter query and modification control scheme is that the pressing of the setting key exceeds 6S, so that the misoperation that a user continuously presses the setting key for a short time and the like is prevented, the parameter query mode is mistakenly entered, the buzzer is set to sound for two times, the operation warning effect is provided, and the condition that the user mistakenly presses the setting key is further avoided.
Referring to fig. 3, according to an embodiment of the present invention, the heat pump system control method further includes a target water temperature setting control scheme including the steps of:
s310: pressing an add-subtract key to enter a target water temperature setting mode, and after entering the target water temperature setting mode, selecting an operation mode to be set through pressing a mode key, so as to set target water temperatures in different operation modes;
s320: after the operation mode needing to be set is selected, the target water temperature can be set by pressing the plus-minus key, and after the target water temperature is set, the switch key is pressed to quit the target water temperature setting mode, or after 20 seconds, the target water temperature setting mode is automatically quitted.
The water temperature setting mode is entered by directly pressing the plus-minus key, the operation mode is switched by the mode key, and then the water temperature setting is completed by pressing the plus-minus key again.
Similarly, in the conventional heat pump system, the water temperature settings in different modes are respectively set in different buttons, for example, the water temperature of the heating water needs to be set, and the corresponding water temperature setting mode can be entered only by pressing the button in the heating water mode. The target water temperature setting control scheme of the invention can execute the water temperature setting of all the operation modes only by combining the addition and subtraction keys and the mode key, and finally finishes exiting by the on-off key. The operation process is very simple, the man-machine interaction mode is straightforward, and the use experience of the user can be met to the maximum extent.
Referring to fig. 4, according to an embodiment of the present invention, the heat pump system control method further includes a fault-query control scheme including the steps of:
s410: when the heat pump system has a fault, the fault display area of the touch screen displays a fault code, different fault codes can be checked by pressing the add-subtract key, and after the check is finished, the on-off key is pressed to return to the main interface.
The main interface of the touch screen is provided with a fault display area, and when the heat pump system breaks down, the fault display area displays a corresponding fault code. When a plurality of faults occur, all fault codes are displayed by the fault display area, each fault corresponds to different fault codes and is distributed on different pages, and each page of fault codes can be checked by turning up and down pages through the addition and subtraction keys.
Referring to fig. 5, according to an embodiment of the present invention, the heat pump system control method further includes a forced defrost control scheme including the steps of:
s510: entering a defrosting mode after a setting key is pressed for a long time, after entering the defrosting mode, carrying out defrosting operation by the heat pump system according to actual conditions, and executing a shutdown command after the defrosting operation is finished even if the touch screen controller is shut down;
s520: and automatically exiting the defrosting mode when the defrosting exit condition is met, and entering the heating mode.
The defrosting mode is directly entered by long pressing a set key, and after the defrosting mode is entered, the heat pump system carries out defrosting operation according to parameters preset by a user or adaptively adjusts defrosting temperature and defrosting time according to working condition parameters such as environment temperature and the like. And the defrosting operation can be exited only when the defrosting exit condition is met, and even if the touch screen is locked or shut down, the shutdown command is executed after the defrosting operation is finished, so that the defrosting command executed by a user is ensured to be finished.
Further, the entering of the defrosting mode after long pressing of the set key described in S510 specifically includes: and after the setting key is pressed for more than 6 seconds and the buzzer rings for two times, entering a defrosting mode.
Similarly, the pressing of the setting key exceeds 6S, so that the misoperation that the user continuously presses the setting key for a short time and the like is prevented from entering the parameter query mode by mistake, the buzzer is set to sound two sounds, the operation warning effect is provided, and the condition that the user presses the setting key by mistake is further avoided.
Referring to fig. 6, according to an embodiment of the present invention, the heat pump system control method further includes a heat pump mode selection control scheme, which is described as including the steps of:
s610: and entering an operation mode selection interface after the mode key is pressed, wherein the operation modes comprise a refrigeration mode, a heating mode, a water heating mode, a refrigeration + water heating mode and a heating + water heating mode.
The user can directly select different operation modes of the heat pump system through the mode key, and the system executes the corresponding command after the selection.
In summary, the heat pump system control method provided by the present invention includes a parameter query and modification control scheme, a clock and timing control scheme, a target water temperature setting control scheme, a fault query control scheme, a forced defrosting control scheme, and a heat pump mode selection control scheme. Wherein, the parameter inquiry and modification control scheme completes the control logic through the collocation of the setting key and the addition and subtraction key; the clock and timing control scheme completes the control logic through setting keys, mode keys and add-subtract keys; the target water temperature setting control scheme completes the control logic through an add-subtract key, a mode key and an on-off key; the fault inquiry control scheme completes the control logic through an add-subtract key and an on-off key; the forced defrost control scheme completes its control logic via the mode key.
The control schemes cover operations such as inquiry, modification and the like under each operation mode of the heat pump system, each control scheme can execute corresponding operations under different modes only by different combinations of one or more keys among a setting key, an addition-subtraction key, a mode key and an on-off key, a man-machine interaction mode is straightforward, and the use experience of a user can be met to the greatest extent.
Of course, the above is a preferred embodiment of the present invention. It should be noted that, for a person skilled in the art, several modifications and refinements can be made without departing from the basic principle of the invention, and these modifications and refinements are also considered to be within the protective scope of the invention.
Claims (9)
1. A heat pump system control method comprising a parameter query and modification control scheme, wherein the parameter query and modification control scheme comprises the steps of:
s110: pressing a setting key of the touch screen to enter a parameter query and modification interface, after entering the parameter query and modification interface, long-pressing the setting key to enter a parameter query mode, then pressing an add-subtract key to check the parameters of the heat pump system forwards or backwards, and when the parameters need to be set, entering step S120;
s120: and for the parameters to be set, firstly pressing the setting key to enter a parameter setting mode, then setting the parameters by pressing the addition and subtraction key, pressing the setting key again to finish final confirmation after the parameter setting is finished, and if the setting key is not pressed, the parameter setting is invalid.
2. The heat pump system control method according to claim 1, wherein said entering the parameter query mode by long pressing the set key in S110 includes: pressing the setting key for more than 6S, and entering the parameter query mode after the buzzer rings for two times;
after the parameter setting is completed in S120, pressing the setting key again to complete final confirmation includes: and after the setting key is pressed again, the main control board or the wire controller completes the modification and recording of the parameters in 10S.
3. The heat pump system control method of claim 1, further comprising a clock and timing control scheme, the clock and timing control scheme comprising the steps of:
s210: a mode key of the touch screen is pressed for a long time to enter a clock setting mode, the mode key is pressed for a long time again after the mode key enters the clock setting mode, the step S220 is entered, if the mode key is not pressed for a long time, a clock can be set by pressing the add-subtract key, after the clock setting is finished, the setting key or the switch key is pressed to exit the clock setting mode, or after 20 seconds, the clock setting mode is automatically exited;
s220: pressing the mode key for a long time again and then entering a timing setting mode, wherein the timing setting mode comprises a timing opening mode and a timing closing mode, after entering the timing setting mode, pressing the setting key can switch the timing opening mode and the timing closing mode, then pressing the addition and subtraction key can set the timing opening time of the timing opening mode or the timing closing time of the timing closing mode, after finishing the timing setting, pressing the setting key again to finish the final confirmation and quit the timing setting mode, and after finishing the confirmation, if needing to cancel the timing setting, then entering step S230;
s230: and long pressing the mode key to enter the clock setting mode, long pressing the mode key again to enter the timing setting mode, then pressing the addition and subtraction key to select a timing period to be cancelled, pressing the setting key after selecting the timing period, and then confirming to complete the cancellation of the timing period.
4. The heat pump system control method according to claim 3, wherein the entering of the clock setting mode by the mode key of the long-press touch screen in S210 includes: pressing the mode key for more than 6S, and entering the clock setting mode after the buzzer rings for two times;
in S220, entering the timing setting mode after long pressing the mode key again includes: pressing the mode key for more than 6 seconds again, and entering the timing setting mode after the buzzer rings for two times;
in S230, the long pressing of the mode key to enter the clock setting mode, and the long pressing of the mode key again to enter the timing setting mode includes: and after the mode key is pressed for more than 6S and the buzzer rings for two sounds, the clock setting mode is entered, and after the mode key is pressed for more than 6S and the buzzer rings for two sounds, the clock setting mode is entered.
5. The heat pump system control method according to claim 1, further comprising a target water temperature setting control scheme, the target water temperature setting control scheme including the steps of:
s310: pressing the add-subtract key to enter a target water temperature setting mode, and after entering the target water temperature setting mode, selecting an operation mode to be set through pressing a mode key, so as to set target water temperatures in different operation modes;
s320: after the operation mode needing to be set is selected, the target water temperature can be set by pressing the plus-minus key, and after the target water temperature is set, the switch key is pressed to exit the target water temperature setting mode, or after 20 seconds, the target water temperature setting mode is automatically exited.
6. The heat pump system control method of claim 1, further comprising a fault-query control scheme, the fault-query control scheme comprising the steps of:
s410: when the heat pump system has a fault, the fault display area of the touch screen displays a fault code, different fault codes can be checked by pressing the add-subtract key, and after the check is finished, the on-off key is pressed to return to the main interface.
7. The heat pump system control method according to claim 1, further comprising a forced defrost control scheme, the forced defrost control scheme comprising the steps of:
s510: entering a defrosting mode after the setting key is pressed for a long time, after entering the defrosting mode, carrying out defrosting operation by the heat pump system according to actual conditions, and executing a shutdown command after the defrosting operation is finished even if the touch screen controller is shut down;
s520: and automatically exiting the defrosting mode when the defrosting exit condition is met, and entering a heating mode.
8. The heat pump system control method of claim 7, wherein entering the defrost mode after the long press of the set key at S510 comprises: and pressing the setting key for more than 6 seconds, and entering the defrosting mode after the buzzer rings for two times.
9. The heat pump system control method of claim 1, further comprising a heat pump mode selection control scheme, the heat pump mode selection control scheme comprising the steps of:
s610: and entering an operation mode selection interface after the mode key is pressed, wherein the operation mode comprises a refrigeration mode, a heating mode, a water heating mode, a refrigeration + water heating mode and a heating + water heating mode.
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| CN203310103U (en) * | 2013-04-16 | 2013-11-27 | 金华市阳帆科技有限公司 | Novel heat-pump water heater system control device |
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