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3.4 Installation Caution
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Since this machine adopts compulsory air inlet and exhaust, it is permissible to be installed in the
bathroom, however, the exit of exhaust system must be extended outdoors, and the distance between
the end of outdoor exhaust pipe and adjacent or other articles must be larger than 600mm.
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This machine is not allowed to be installed outdoors to prevent damage of the heater caused by
freezing of water.
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A water inlet valve shall be installed at the water inlet pipe of the unit, so that the water supply can be
switched off in repair.
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The mounting position of the unit is made of a nonflammable material. If it is made of an inflammable
or flame resistant material, a heatproof plate shall be used for heat insulation, whose distance from the
wall shall be greater than 10mm.
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The lower edge of the unit shall be about 1.5m above the ground, so that its combustion can be easily
observed and its temperature adjusted.
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A LPG user shall select a suitable, high-quality gas relief valve, whose specification shall not be less
than 1.5m³/h to guarantee the gas pressure and flow input into the unit. ``
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Natural gas users shall use a hard metal pipe with the same diameter as the gas inlet of the unit to
reduce gas closure ande pressure loss.
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There should be no inflammable or explosive material around the unit and the fume exhaust port, e.g.,
kerosene, gasoline, alcohol, paints, paper, clothes, etc.
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Do not point the exhaust port directly to a nearby window when install the unit.
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The unit shall not be installed where there is corrosive gas or article, and there should be no exposed
wire, electric appliance or gas pipe above it, or any gas range or baking oven below it.
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