GB/T 38603-2020Safety and control devices for gas burners and gas-burning appliances—Particular requirements—Electronic controller (English PDF)

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.

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

6.1 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.

7.1 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. […]

8.1 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.

9.1 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."