<p class="MsoBodyText"><span lang="EN-GB">This document specifies safety, construction, performance and testing requirements of multifunctional controls (MFC) intended for use with gas burners, gas appliances and appliances of similar use.</span></p>
<p class="MsoBodyText"><span lang="EN-GB">This document applies to an MFC with declared maximum inlet pressures up to and including 50 kPa (500 mbar) of nominal connection sizes up to and including DN 150 for use on burners or in appliances using gases such as natural gas, manufactured gas or liquefied petroleum gas (LPG). It is not applicable to corrosive and waste gases.</span></p>
<p class="MsoBodyText"><span lang="EN-GB">An MFC consists of two or more functions, at least one of which is a mechanical control, as specified in the relevant control standards.</span></p>
<p class="MsoBodyText"><span lang="EN-GB">This document is also applicable to construction and performance requirements for components of burner ignition systems as specified in Annex K. The requirements and test methods in Annex K include optional type testing and evaluation of these components.</span></p>
<p class="MsoBodyText"><span lang="EN-GB">This document is applicable to:</span></p>
<p class="ListContinue1" style="mso-list: l0 level1 lfo1;"><!-- [if !supportLists]--><span lang="EN-GB" style="mso-fareast-font-family: Cambria; mso-bidi-font-family: Cambria;"><span style="mso-list: Ignore;">—<span style="font: 7.0pt 'Times New Roman';"> </span></span></span><!--[endif]--><span lang="EN-GB">water-operated gas valves (see Annex I);</span></p>
<p class="ListContinue1" style="mso-list: l0 level1 lfo1;"><!-- [if !supportLists]--><span lang="EN-GB" style="mso-fareast-font-family: Cambria; mso-bidi-font-family: Cambria;"><span style="mso-list: Ignore;">—<span style="font: 7.0pt 'Times New Roman';"> </span></span></span><!--[endif]--><span lang="EN-GB">overheating safety devices (OSDs) (see Annex J); and</span></p>
<p class="ListContinue1" style="mso-list: l0 level1 lfo1;"><!-- [if !supportLists]--><span lang="EN-GB" style="mso-fareast-font-family: Cambria; mso-bidi-font-family: Cambria;"><span style="mso-list: Ignore;">—<span style="font: 7.0pt 'Times New Roman';"> </span></span></span><!--[endif]--><span lang="EN-GB">optional requirements for components of burner control systems (see Annex K).</span></p>
Registration number (WIID)
83563
Scope
<p class="MsoBodyText"><span lang="EN-GB">This document specifies safety, construction, performance and testing requirements of multifunctional controls (MFC) intended for use with gas burners, gas appliances and appliances of similar use.</span></p>
<p class="MsoBodyText"><span lang="EN-GB">This document applies to an MFC with declared maximum inlet pressures up to and including 50 kPa (500 mbar) of nominal connection sizes up to and including DN 150 for use on burners or in appliances using gases such as natural gas, manufactured gas or liquefied petroleum gas (LPG). It is not applicable to corrosive and waste gases.</span></p>
<p class="MsoBodyText"><span lang="EN-GB">An MFC consists of two or more functions, at least one of which is a mechanical control, as specified in the relevant control standards.</span></p>
<p class="MsoBodyText"><span lang="EN-GB">This document is also applicable to construction and performance requirements for components of burner ignition systems as specified in Annex K. The requirements and test methods in Annex K include optional type testing and evaluation of these components.</span></p>
<p class="MsoBodyText"><span lang="EN-GB">This document is applicable to:</span></p>
<p class="ListContinue1" style="mso-list: l0 level1 lfo1;"><!-- [if !supportLists]--><span lang="EN-GB" style="mso-fareast-font-family: Cambria; mso-bidi-font-family: Cambria;"><span style="mso-list: Ignore;">—<span style="font: 7.0pt 'Times New Roman';"> </span></span></span><!--[endif]--><span lang="EN-GB">water-operated gas valves (see Annex I);</span></p>
<p class="ListContinue1" style="mso-list: l0 level1 lfo1;"><!-- [if !supportLists]--><span lang="EN-GB" style="mso-fareast-font-family: Cambria; mso-bidi-font-family: Cambria;"><span style="mso-list: Ignore;">—<span style="font: 7.0pt 'Times New Roman';"> </span></span></span><!--[endif]--><span lang="EN-GB">overheating safety devices (OSDs) (see Annex J); and</span></p>
<p class="ListContinue1" style="mso-list: l0 level1 lfo1;"><!-- [if !supportLists]--><span lang="EN-GB" style="mso-fareast-font-family: Cambria; mso-bidi-font-family: Cambria;"><span style="mso-list: Ignore;">—<span style="font: 7.0pt 'Times New Roman';"> </span></span></span><!--[endif]--><span lang="EN-GB">optional requirements for components of burner control systems (see Annex K).</span></p>
