19
ENGLISH
Installing the drain pipe
Installing the drain pipe
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Use a spirit level to make sure that product is horizontally leveled.
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Choose one of the 2 drain holes on the bottom of the product and insert the provided drain plug, then connect the drain
pipe.
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From the 2 drain holes, block the unused hole with the provided rubber plug.
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Install the drain pipe at the rear side of the unit to get a sufficient space for repairs and service on the front side.
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Do not install a trap on the pipe and install the drain pipe horizontally with a slope of 1/50 or more to prevent water from
flowing backwards.
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For smooth drainage, install an air vent that is open to air.
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Insulate the drain pipe and drain plug with insulation over 10 mm.
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Install self-regulating heat cable on the drain pipe to prevent it from being frozen.
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Install the safety equipment for a heating appliance.
More than
1/50 slope
Open to air
Drain plug
When concentrated drainage is installed
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Install a concentrated drain pipes with an air vent that is open to air.
Open to air
More than 1/50 slope
Drain plug
Checking the water leakage
Prepare about 2 liters of water and pour water into the drain pan of the DVM Hydro unit / Hydro unit HT as shown in the
illustration.
<DVM hydro unit>
<DVM hydro unit HT>
k}tGokyvGo{ptXYWZ`]]hTXluUGGGX`
YWXZTW_TW]GGG㝘㤸G`a[[aY^
