GB/T 38603-2020 PDF English
US$555.00 · In stock · Download in 9 secondsGB/T 38603-2020: Safety and control devices for gas burners and gas-burning appliances - Particular requirements - Electronic controller Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedureStatus: Valid
Standard ID | Contents [version] | USD | STEP2 | [PDF] delivery | Name of Chinese Standard | Status |
GB/T 38603-2020 | English | 555 |
Add to Cart
|
0-9 seconds. Auto-delivery
|
Safety and control devices for gas burners and gas-burning appliances - Particular requirements - Electronic controller
| Valid |
Excerpted PDFs (Download full copy in 9 seconds upon purchase)PDF Preview: GB/T 38603-2020
GB/T 38603-2020: Safety and control devices for gas burners and gas-burning appliances - Particular requirements - Electronic controller ---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT38603-2020
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 91.140
P 45
Safety and control devices for gas burners and gas-
burning appliances - Particular requirements -
Electronic controller
Issued on. MARCH 31, 2020
Implemented on. FEBRUARY 01, 2021
Issued by. State Administration for Market Regulation;
Standardization Administration of PRC.
Table of Contents
Foreword... 4
1 Scope... 5
2 Normative references... 5
3 Terms and definitions... 6
3.1 Combustion control... 6
3.2 Circuit structure... 9
4 Categories... 10
5 Structure... 11
5.1 Protection provided by the enclosure... 11
5.2 Structure design of controller... 11
5.3 Circuit structure of internal fault protection... 12
6 Requirements... 12
6.1 Function... 12
6.2 Thermal stress... 13
6.3 Continuous operation performance... 13
6.4 Internal fault protection... 13
6.5 Safety of electrical components... 14
6.6 EMC safety... 14
6.7 Battery-powered controller... 14
7 Test method... 14
7.1 Test conditions and allowable errors... 14
7.2 Function test... 15
7.3 Thermal stress test... 15
7.4 Continuous operation performance test... 16
7.5 Internal fault protection test... 16
8 Inspection rules... 16
8.1 Exit-factory inspection... 16
8.2 Type inspection... 17
9 Signs, installation and operating instructions... 20
9.1 Signs... 20
9.2 Installation and operating instructions... 20
9.3 Warning notice... 21
10 Packaging, transportation, storage... 21
Appendix A (Informative) Correspondence of clauses supporting basic
requirements of GB 16914-2012 in this standard... 22
Appendix B (Normative) Combustion control function module... 24
Appendix C (Normative) Emission function module of combustion product... 29
Appendix D (Normative) Reset function module... 32
Appendix E (Normative) Gas cut-off function module... 35
Appendix F (Normative) Temperature control function module... 37
Appendix G (Normative) Failure control technology and measures for functional
safety-related systems... 40
Appendix H (Normative) EMC safety... 41
Appendix I (Normative) Battery-powered controller... 43
Appendix J (Normative) Failure modes of electrical/electronic components.. 46
References... 49
1 Scope
This standard specifies the terms and definitions, classification, structure,
requirements, test methods, inspection rules, marking, installation and
operating instructions, packaging, transportation and storage, of the electronic
controllers for gas burners and gas-burning appliances, which are used for city
gas, as specified in GB/T 13611.
This standard applies to the electronic controllers for gas burners and gas-
burning appliances, of the gas water heaters, gas heating water heaters, gas
burners/machines, gas steam generators, gas boilers, gas stoves and other
combustion appliances, which have automatic combustion control functions.
2 Normative references
The following documents are essential to the application of this document. For
the dated documents, only the versions with the dates indicated are applicable
to this document; for the undated documents, only the latest version (including
all the amendments) is applicable to this standard.
GB/T 2828.1 Sampling procedures for inspection by attributes - Part 1.
Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot
inspection
GB/T 4208 Degrees of protection provided by enclosure(IP code)
GB/T 6346.14 Fixed capacitors for use in electronic equipment - Part 14.
Sectional specification - Fixed capacitors for electromagnetic interference
suppression and connection to the supply mains
GB/T 13611 Classification and basic characteristics of city gas
GB/T 14004 Fixed capacitors for use in electronic equipment - Part 6.
Sectional specification - Fixed metallized polycarbonate film dielectric d.c.
capacitors (available for certification)
3 Terms and definitions
The terms and definitions as defined in GB/T 30597, GB/T 14536.1, GB/T
14536.6, GB/T 20438.4, as well as the following terms and definitions, apply to
this document. For ease of use, some terms and definitions in GB/T 30597,
GB/T 14536.1, GB/T 14536.6, GB/T 20438.4 are repeatedly listed below.
3.1 Combustion control
3.1.5
Ignition safety time
The time interval, FROM when the gas valve is turned on TO when no flame
signal is detected and the gas valve is turned off.
3.1.6
Safety shut-down
The realization of safety cut-off of gas, through limiter, safety cut-off device
or internal fault detection of the system.
Note. Rewrite GB/T 14536.6-2008, definition 2.3.122.
3.1.7
Non-volatile lock-out
A kind of safe shutdown state of the system, that the system restart can only
be achieved through the system's manual reset device.
3.1.8
Volatile lock-out
A kind of safe shutdown state of the system, that the system restart can only
be achieved through a system's manual reset device or power-off restart.
4 Categories
The controller is divided into three categories. category A, category B, category
C, according to the safety of its control functions. The classification principle
shall comply with the provisions of 4.1.2 in GB/T 30597-2014.
5 Structure
5.1 Protection provided by the enclosure
5.1.1 When the controller is installed and used in the manner, which is declared
by the manufacturer, it shall have a degree of protection, which is suitable for
its use.
5.2 Structure design of controller
5.2.1 The structural appearance requirements of the controller shall comply with
the provisions of Chapter 11 of GB/T 14536.6-2008.
5.2.2 When the controller has two or more control functions, it shall meet the
following requirements.
5.2.3 When the controller is composed of two or more functional modules, it
shall meet the following requirements.
5.3 Circuit structure of internal fault protection
5.3.1 Circuit structure of category A controller
Category A controllers have no circuit structure requirements for internal fault
protection.
5.3.2 Circuit structure of category B controller
The circuit structure of the category B controller shall at least conform to one of
the following structures.
5.3.3 Circuit structure of category C controller
6 Requirements
6.1 Function
When the controller is designed according to function, it can be divided into the
following functional modules; each module shall meet the requirements of
Appendix B ~ Appendix F.
6.2 Thermal stress
6.2.1 Under normal conditions of use, the electronic components of the
controller shall be able to adapt to cyclical changes, between the highest
temperature and the lowest temperature.
Note. The temperature change may be due to changes in the ambient temperature,
6.2.2 Under the load specified by the manufacturer, after the thermal stress test
is carried out, according to the test method in 7.3, the controller shall be able to
work normally AND meet the functional requirements specified in 6.1.
6.3 Continuous operation performance
6.3.1 The controller shall comply with the provisions of D.2.2.3 in GB/T 30597-
2014.It shall complete at least 250000 normal start-up operation cycles, without
failure.
6.5 Safety of electrical components
The controller shall meet the requirements of 6.3.8 in GB/T 30597-2014.
6.6 EMC safety
The electromagnetic compatibility safety of the controller shall meet the
requirements of Appendix H.
6.7 Battery-powered controller
The battery-powered controller shall comply with the provisions of Appendix I.
7 Test method
7.1 Test conditions and allowable errors
7.1.1 Test conditions
The controller shall be tested under the following test conditions.
7.1.2 Tolerance
After the system reaches a stable temperature, the measurement is performed;
the unit measurement error shall meet the following requirements.
7.2 Function test
7.2.1 At ambient temperature
According to the manufacturer's instructions, under the conditions specified in
7.2.2 At low temperatures
Repeat the test of 7.2.1, under the conditions of 0 °C OR the declared lowest
ambient temperature (whichever is smaller).
7.2.3 At high temperatures
Repeat the test of 7.2.1, under the conditions of 60 °C OR the declared highest
ambient temperature (whichever is larger).
7.3 Thermal stress test
The controller is tested, in accordance with the provisions of D.3.2.1 in GB/T
30597-2014.
7.5 Internal fault protection test
The controller is tested, in accordance with the provisions of D.3.3 in GB/T
30597-2014.When the internal fault protection test is performed on the
category C controller, the second fault shall be introduced, under the following
conditions.
8 Inspection rules
8.1 Exit-factory inspection
8.1.3 Judgment rules
According to the provisions of 8.1.2, judge whether the batch of products are
accepted or not. For the unacceptable batch, after the unqualified items are 100%
inspected, the unqualified products shall be rejected or corrected; THEN the
inspection shall be carried out again, according to the provisions of 8.1.2.
8.2 Type inspection
8.2.1 Inspection conditions
Type inspection shall be carried out, in one of the following situations.
8.2.2 Inspection items
Type inspection items are as shown in Table 2.
8.2.3 Type inspection data
The type inspection information, to be provided by the manufacturer, shall at
least include the following.
8.2.4 Evaluation document
The evaluation document, which is provided by the manufacturer, shall include
at least the following contents.
8.2.5 Type inspection specimen
The manufacturer shall provide the simulated load and external components,
which are required to complete each test. Meanwhile, it shall provide at least 4
controller specimens, at the same time. The specimens, which are required by
the main test, are as follows.
8.2.6 Judgment rules
When all the inspection items of the sample meet the requirements, it is judged
as qualified.
9 Signs, installation and operating instructions
9.1 Signs
The signs of the controller shall not only comply with the provisions of 8.1 in
GB/T 30597-2014, but also include at least the rated voltage or voltage range.
9.2 Installation and operating instructions
The installation and operation instructions of the controller shall not only comply
with the provisions of 8.2.1 in GB/T 30597-2014, but also include at least the
following contents.
9.3 Warning notice
The warning notice shall be attached to the packing box of each batch of
controllers; its content is "Please read the instructions carefully before use; the
controller shall be installed in a location, that meets the current requirements."
10 Packaging, transportation, storage
The packaging, transportation, storage of the controller shall comply with the
requirements in Chapter 9 of GB/T 30597-2014.
...... Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
Tips & Frequently Asked QuestionsQuestion 1: How long will the true-PDF of English version of GB/T 38603-2020 be delivered?Answer: The full copy PDF of English version of GB/T 38603-2020 can be downloaded in 9 seconds, and it will also be emailed to you in 9 seconds (double mechanisms to ensure the delivery reliably), with PDF-invoice. Question 2: Can I share the purchased PDF of GB/T 38603-2020_English with my colleagues?Answer: Yes. The purchased PDF of GB/T 38603-2020_English will be deemed to be sold to your employer/organization who actually paid for it, including your colleagues and your employer's intranet. Question 3: Does the price include tax/VAT?Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countriesQuestion 4: Do you accept my currency other than USD?Answer: Yes. www.ChineseStandard.us -- GB/T 38603-2020 -- Click this link and select your country/currency to pay, the exact amount in your currency will be printed on the invoice. Full PDF will also be downloaded/emailed in 9 seconds.
How to buy and download a true PDF of English version of GB/T 38603-2020?A step-by-step guide to download PDF of GB/T 38603-2020_EnglishStep 1: Visit website https://www.ChineseStandard.net (Pay in USD), or https://www.ChineseStandard.us (Pay in any currencies such as Euro, KRW, JPY, AUD). Step 2: Search keyword "GB/T 38603-2020". Step 3: Click "Add to Cart". If multiple PDFs are required, repeat steps 2 and 3 to add up to 12 PDFs to cart. Step 4: Select payment option (Via payment agents Stripe or PayPal). Step 5: Customize Tax Invoice -- Fill up your email etc. Step 6: Click "Checkout". Step 7: Make payment by credit card, PayPal, Google Pay etc. After the payment is completed and in 9 seconds, you will receive 2 emails attached with the purchased PDFs and PDF-invoice, respectively. Step 8: Optional -- Go to download PDF. Step 9: Optional -- Click Open/Download PDF to download PDFs and invoice. See screenshots for above steps: Steps 1~3 Steps 4~6 Step 7 Step 8 Step 9
|