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GB 31459-2015 English PDF

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GB 31459-2015: [GB/T 31459-2015] Safety requirements for temperature control systems for floor heating for household and similar use
Status: Valid

GB 31459: Historical versions

Standard IDUSDBUY PDFLead-DaysStandard Title (Description)Status
GB 31459-2015519 Add to Cart 4 days [GB/T 31459-2015] Safety requirements for temperature control systems for floor heating for household and similar use Valid
GB/T 31459-2015379 Add to Cart 4 days Safety requirements for temperature control systems for floor heating for household and similar use Valid

Similar standards

GB/T 22685   GB/T 22683   GB/T 36049   GB/T 14536.12   GB/T 14048.9   

Basic data

Standard ID: GB 31459-2015 (GB31459-2015)
Description (Translated English): [GB/T 31459-2015] Safety requirements for temperature control systems for floor heating for household and similar use
Sector / Industry: National Standard
Classification of Chinese Standard: K32
Classification of International Standard: 97.120
Word Count Estimation: 20,275
Date of Issue: 2015-05-15
Date of Implementation: 2016-06-01
Quoted Standard: GB/T 2423.1; GB/T 2423.2; GB/T 2423.3; GB/T 2423.22; GB 4208; GB 4343.1-2009; GB 4343.2-2009; GB 14536.1-2008; GB 14536.10-2008; IEC 60536
Regulation (derived from): National Standard Announcement 2015 No. 15
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This Standard specifies the safety requirements for machinery, electronic household and similar equipment to warm temperature control system. This Standard contains the control room interior warm temperature control system requirements, but also contains the pipeline pumps, water heaters, central air-conditioning systems and building automation systems, such as supporting the use of floor heating thermostat system, further comprises a remote control and intelligent control functional requirements to warm temperature control system. This Standard does not contain requirements for warm radiating portion. This Standard applies to the rated voltage not exceeding 690 V, rated current not exceeding 63 A, to be converted into heat (often called electric heating) or by hot fluid medium diffusion of heat (often called the water to warm) in the living room by the electric power, requiring single or dual temperature control to warm temperature control system.

GB 31459-2015: [GB/T 31459-2015] Safety requirements for temperature control systems for floor heating for household and similar use


---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Safety requirements for temperature control systems for floor heating for household and similar use ICS 97.120 K32 National Standards of People's Republic of China Household and similar floor heating temperature Safety requirements for control systems Published 2015-05-15 2016-06-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China issued

Table of Contents

Preface Ⅰ Introduction Ⅱ 1 Scope 1 2 Normative References 1 Terms and definitions 1 3 4 Test General Description 2 Rating 3 5 6 Category 4 7 Data 4 8 Functional safety requirements 5 9 6 protection against electric shock 10 ground protection measures 6 Terminal 11 and the end head 7 Structure of claim 7 12 13 moisture and dust 7 14 electrical strength and insulation resistance 8 15 8 fever 16 manufacturing variations 8 Environmental stress 9 17 18 Endurance 10 10 19 Mechanical strength 20 creepage distance and clearance distance through solid insulation 11 21 heat, fire resistance and tracking 11 22 corrosion 11 23 Electromagnetic compatibility (EMC) requirements 11 24 11 Components The electronic controller 25 requires 11 Appendix A wiring (informative) with floor heating temperature control system schematic 12

Foreword

All technical contents of this standard is mandatory. This standard was drafted in accordance with rules GB/T 1.1-2009 given. The standard proposed by China Electrical Equipment Industrial Association. This standard by the National Standardization Technical Committee home automation controller (SAC/TC212). Drafted by. China Electric Apparatus Research Institute Co., Man Ruide Automation System (Yueqing) Co., Ltd., Zhejiang shield the artificial Environment Co., Ltd., Ningbo Ou Electrical Technology Co., Ltd., Ningbo Branch of the IC Design Center Co., Ltd., Daikin (China) Investment Co., Ltd. Shanghai Branch, Ningbo City, North Lun Haibo fine Machinery Manufacturing Co., Ltd. Shenzhen Extension state, Zhuhai Gree Electric Co., Ltd., Jiangsu Changheng automatic controller Group Co., Ltd., Hisense Kelon Electrical Holdings Company Limited, Guangdong Entry-Exit Inspection Quarantine Bureau Inspection and Quarantine Technology Center, CVC Technology Limited. The main drafters. Lin Yongming, Chen Linan, Wang Xiangrong, thanks Ke Long, Huang Chao, Zhang Jianqiang, He Dingfang, Lai Chi, Fan Lingyun, Du Li, Luo Hui, Feng Da, Qian Feng.

Introduction

Household and similar floor heating temperature control system is widely used in hot water or heat medium heating cables, electric film is applied Temperature of the radiation heating elements of the thermal engineering system for controlling an electric valve, electric valve, electric valve and heating equipment and other equipment to control and display System, is involved in product safety, energy conservation and environmental protection of critical infrastructure pieces for pressure, cold and corrosion and other areas have higher requirements. This standard provides the corresponding safety and performance evaluation based on the temperature control system for the warm household and similar equipment, to the industry Designers and provides a reference design platform, the safety design of the end product is more standardized. Household and similar floor heating temperature Safety requirements for control systems

1 Scope

This standard specifies the safety requirements of mechanical, electronic and similar household apparatus to warm to a temperature control system. This standard contains Requirements for a temperature control system controls the warm interior of the room, and also includes pipeline pumps, water heaters, central air conditioning system and building automation systems, etc. Matching requirements warm temperature control system used, further comprising temperature control system is required to warm with remote control and intelligent control functions. this Standard does not include requirements for warm radiating portion. This standard applies to not more than the rated voltage 690V, rated current not exceeding 63A, for converting electrical energy into heat in the room (often called power Warm) or by thermal diffusion of heat a fluid medium (often referred to warm water), the temperature control system requires warm single or dual temperature control.

2 Normative references

The following documents for the application of this document is essential. For dated references, only applies to the version dated paper Pieces. For undated references, the latest edition (including any amendments) applies to this document. GB/T 2423.1 electric and electronic products Environmental testing - Part 2. Test methods Test A. Cold GB/T 2423.2 electric and electronic products Environmental testing - Part 2. Test Test Method B. High Temperature GB/T 2423.3 electric and electronic products environmental testing - Part 2. Test Method Test Cab. Damp heat, GB/T 2423.22 Environmental testing for electric and electronic products - Part 2. Test Test Method N. temperature GB 4208 shell protection (IP code) GB 4343.1-2009 electromagnetic appliances, electric tools and similar apparatus compatible Part 1. emission GB 4343.2-2009 household appliances, electric tools and similar apparatus electromagnetic compatibility requirements - Part 2. Immunity GB 14536.1-2008 household and similar use automatic controller Part 1. General Requirements GB 14536.10-2008 Particular requirements for household and similar use automatic control temperature sensing controls Protection against electric shock IEC 60536 electrical and electronic sorting equipment (Classificationofelectricalandelectronicequipment withregardtoprotectionagainstelectricshock)

3 Terms and Definitions

The following terms and definitions apply to this document. 3.1 Warm floorheating Electricity or hot water as heat medium or heat source, the heating member tube or the like electric heating device embedded in the ground in the building, a heat-conducting Floor heating mode, the heat exchange surface of the radiation and convection heat of the indoor heating mode. 3.2 Water to warm waterfloorheating Also known as the low temperature hot water floor radiant heating. Hot water temperature is not higher than 60 ℃ of heating medium in the heating pipe of the floor heating circulating Heating mode. 3.3 Electricity to warm electricalfloorheating Use energy directly into electrical energy, electrical heating member is laid under the floor, the entire ground-based heat radiation and warm to the room heating mode. Note. electric floor heating, the heat generating element, the temperature control system consists of a core part of the power supply. 3.4 The temperature control system temperaturecontrolsystem Medium temperature or a portion of the wall temperature or environmental control system to ensure a space (floor heating) in a predetermined range, to meet UN Room or other space regions required thermal regulation device sets. Note. including thermostat, temperature limiter, the temperature sensor. The temperature control system wiring schematic Appendix A. 3.5 Thermostat thermostat A cyclical temperature sensitive controller that the temperature was maintained between two particular values under normal operating conditions. And where can With means to be set by the user. 3.6 Room thermostat roomthermostat Independently mounted or built-in type for controlling the temperature of the living space thermostat. 3.7 Temperature limiter temperaturelimiter A temperature-sensitive control that causes the temperature under normal operating conditions is kept below a certain value. And wherein there may be from the use of Performed by means of setting. 3.8 Set temperature settingtemperature Temperature control system for obtaining a temperature over the set temperature value. 3.9 Frost protection temperature frostprotectiontemperature Frost protection thermostat having a temperature set value control mode in antifreeze. 3.10 Deviation control switch controlswitchbias When the temperature control system is set to a certain temperature, maximum temperature or minimum temperature and when the set floor heating system output excitation Temperature The absolute value of the difference value. 3.11 Periods feature timesettingfunction Automatically operating thermostat set temperature corresponding to the time period set in advance. 3.12 Electric heating equipment heatingconductor In the heating for the purpose of heat after the power cable can. 3.13 Key lock function keylockedfunction To prevent unauthorized persons or children, by mistake, the wrong press is free to modify, you can lock the keys by the operation of the thermostat. General Description 4 Test 4.1 Test conditions 4.1.1 Test is carried out according to the standard type tests. 4.1.2 Unless otherwise specified, the provisions shall be the manufacturer's specimen mounted delivery status test, but in the most unfavorable state tests have When significance, press worst state test. 4.1.3 If the test result of the influence by the room temperature, unless otherwise specified, should be maintained at room temperature for 20 ℃ ± 5 ℃, if the test results suspect , The temperature should be maintained at 23 ℃ ± 2 ℃. 4.1.4 unless otherwise indicated in particular in clauses, the starting element should be positioned in the most unfavorable position, intermediate position or position set by the user. 4.1.5 Unless otherwise specified, this standard should in general be reg test sequence. 4.1.6 In all experiments, measuring instruments or measuring devices should not significantly affect the measured values. 4.2 Sample Requirements Chapter 5 - Chapter 7, Chapter 9 - Chapter 12 - Chapter 19 second test of Clause 23 with a sample; Chapter 8, Chapter 13 to Chapter 17, Chapter 24 of the test with a group of three specimens; chapter 18 of the test with a group of three trials. Some samples may need to increase the destructive test. 4.3 Test Description 4.3.1 not a predetermined nominal frequency AC power controller, whichever is most unfavorable test frequency of 50Hz or 60Hz. A rated frequency It ranges, but not 50Hz ~ 60Hz controller, the subject with a predetermined frequency or range of frequencies in the most unfavorable test. 4.3.2 Unless otherwise specified, the one or more predetermined voltage range of the controller, the most unfavorable voltage into the specified range should be used in Line test, and this voltage is multiplied by the corresponding coefficients indicated clauses. 4.3.3 more than a rated voltage or rated current controller for a predetermined or indicated, the test Chapter 15, Chapter 18 in several samples should Group on each test composition by the rated voltage and rated current. Note. the test selection mechanism, can reduce the number of tests, but includes various ratings. 4.3.4 for only a predetermined voltage range of the controller, a set of samples tested in each of the voltage limit range, if the limit The difference does not exceed 10% of the average value of the voltage range, then use a set of samples to be tested upper limit voltage. 4.3.5 intended by the controller in special operating power, special power application test. 4.3.6 controller should be consistent, but the setting of the manufacturer, or to meet the requirements of this standard, used in the manufacturing stage element or portion Difference member, resulting in different values of operation, operating time or operating procedures, this time should generally be treated as a batch. Under normal circumstances, the The controller is set under the most severe conditions is sufficient. But if it is clearly shown that needs to be set to other values in order to meet the entire range Wai, then the test may require additional means for setting the sample at other values. 4.3.7 In these cases should be noted that the value of any operation, the operation time of manufacturing variation or change in operating procedures and drift; for sensitive A controller should also be noted applicable ranges corresponding to different portions of the starting amount of the minimum and maximum acceptable rate of rise and fall.

5 Ratings

5.1 The maximum rated voltage The maximum rated voltage of AC to 690V. 5.2 The maximum rated current The maximum rated current of 63A. Operating current to warm the temperature controller not exceed the rated current, when the operating current control loop is greater than the nominal operating temperature Current, other control devices can be employed and the contact temperature or the like incorporated in the form of control functions. 5.3 Eligibility Meets the requirements of 5.1, 5.2, check the information required in accordance with Chapter 7. Category 6 6.1 Press the control object classification 6.1.1 electric floor heating thermostat Temperature control target is heated cables, electric film electric heating device. 6.1.2 warm water temperature 1) 1) This class includes a frost protection thermostat. Thermostat control target to control the water valve switch. 6.2 classified according to the temperature sensing element --- mechanical thermostat; --- electronic thermostat. 6.3 Classification according to the control mode 6.3.1 room thermostat It is capable of sensing the temperature of the room air, an automatic control device for adjusting the desired temperature in the room. 6.3.2 the thermostat thermostat Is capable of sensing the temperature of the floor, be an automatic control device controls the adjustment. 6.3.3 dual temperature thermostat Simultaneously sensing the room air temperature and the floor temperature, control means to be an automatic adjustment control. 6.4 Classification according to protection against electric shock --- Class Ⅰ; --- Ⅱ class; --- Ⅲ class. NOTE. Ⅰ type, Ⅱ class that defines the device type Ⅲ see IEC 60536.

7 Data

7.1 Basic requirements This information is part of the basic requirements refer to Chapter 7 GB of 14536.1-2008. 7.2 Technical Documentation The following information should be provided in the technical documentation. --- Technical Specifications; --- user instructions; ---installation instruction; --- operating instructions. Additional requirements 7.3 marks At least the following markings on the sensor and the controller. --- manufacturing trademarks; --- model specification. The following should be attached to the controller Specifications. --- rated voltage, power and power consumption; --- each terminal wiring diagram; --- serial number and factory years. Terminal wiring diagram should be permanently marked on the controller. The required control flag shall be marked on the body of the controller, it can also be marked on a non-detachable member. Shall be required to sign and legible Durable. By observing and GB 14536.1-2008 Appendix A test to check the.

8 Functional safety requirements

8.1 Basic requirements Electric floor heating temperature control system should have temperature control function and a limiting temperature protection, in accordance with the manufacturer requires the installation regulations, which can be achieved A predetermined function. 8.2 The maximum set temperature Electric floor heating with a maximum temperature and a set temperature limit temperature, respectively, and should not exceed 50 ℃ for 60 ℃. 8.3 frost protection Warm water with a frost protection thermostat should have the function to prevent the warm water temperature controller in the standby state results in freezing temperature is too low. Anti Freeze protection temperature should be 5 ℃. Frost protection control switch temperature deviation ≤2K. The room temperature sensor is extended to about 1m, the sensor probe in a convection air oven or a thermostatic bath, temperature control Is placed outside the box, power, temperature control operation is allowed under the frost protection state; the fine wire thermocouple 0.25mm fixed sensor When adjacent oven or bath temperature is lowered to a temperature below the frost protection, labeling observed at this time the output temperature, the heating temperature should output Signal, oven or bath temperature rises above the frost protection temperature, the heating temperature should stop signal is output. 8.4 power data retention function Data storage function with temperature control system, operating in accordance with the operating method of the manufacturer and the charging time (if required), 72h after power failure data should not be lost. Each data read by the temperature should be consistent with the previous power-off. 5min continuous operation in the normal operation state temperature controller, the temperature controller set temperature recorded, data such as the operating mode, if having There thermostat time programming function, further comprising a period of time, a period corresponding to the set temperature. Then cut off the power supply, through the re-72h Electrical inspection records and test cases immediately. 8.5 Timing Function 8.5.1 Timing Accuracy Temperature controller with timer switch function, the timing resolution set ≤30min timing time error ≤ ± 0.5%. In the normal operation state of the temperature controller, the temperature setting operation start timings t0 hours, and temperature control in the standby state. Seconds Table start timing simultaneously set the time, temperature controller regularly check time display. When recording actual response time interval t1, then the timer The relative error between Δt by the formula (1). Δt = t1-t0 t0 × 100% (1) Where. Relative to the timing error [Delta] T ---; --- thermostat T1 stopwatch actual response time of reading; --- temperature T0 timing time. 8.5.2 programming period Temperature programming function having a period of 24h should have at least four per period may be set, the period control accuracy ≤1min. Following the procedure set period as specified by the manufacturer using test method 8.5.1. 8.6 Key lock function Temperature control with key lock function, according to the method specified by the manufacturer operation, the lock button, each operation button data to be thermostat You can not be modified, in order to restore data modification only after unlocking. According to the method specified by the manufacturer operation, the temperature controller locking sequentially operating each of the keys, to observe whether the temperature controller of each data is changed; Control After warming unlock sequentially operating each of the keys, to observe whether there is a change of data of each thermostat. 8.7 Exception Handling sensor 8.7.1 When the thermostat when the temperature sensor can not normally short or open, the heating temperature should stop outputting signals, having a display function Temperature should alert symbol displayed on the display screen. When the sensor is normal, temperature controller should resume normal operation. 8.7.2 When the limit temperature when the temperature sensor can not normally short or open, the output of the temperature limited heating should be stopped, when the sensor is normal, Temperature limiter should resume normal operation. Heating signal indicati......
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