14_ preparing the installation
preparing the installation
INSTALLING THE DRAIN PIPE
• Insert the provided drain plug at the 2 sides of the bottom of the unit and then connect the drain pipe.
• Install the drain pipe at the rear side of the unit to get a sufficient space for repairs and service.
• Do not install a trap on the pipe.
And, install the drain pipe horizontally with a slope of 1/50 or more.
• Insulate the drain pipe and drain plug with insulation over 10t.
• Install heating device to the drain pipe to prevent it from being frozen.
Install the safety equipment for a heating appliance.
When installing single outdoor unit
Outdoor unit
(Rear side)
More than
1/50 slope
Open to air
Drain
plug
Outdoor unit
(Rear side)
More than 1/50 slope
Open to air
Drain
plug
Outdoor unit
(Rear side)
Outdoor unit
(Rear side)
When installing multiple outdoor units
Outdoor unit
(Rear side)
Drain plug
Drain pipe
DVM PLUS3_IM_E_31180-1.indd 14 2009-10-16 ｿﾀﾈﾄ 2:10:18
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