本标准规定了间接燃气管道空气加热器的特殊要求，该要求是AS/NZS 5263.0《燃气器具》第0部分:一般要求中燃气器具一般要求的补充或替代。

This Standard provides particular requirements for indirect gas-fired ducted air heaters that apply in addition to or in place of the general requirements for gas appliances set out in AS/NZS 5263.0, Gas appliances, Part 0: General requirements.