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Page 11 mrcool.com
Unit Installation
1. Use your hands to bend the line set. Work carefully not to collapse the pipes during bending.
2. If the pipe is repeatedly bent or extended, it will become hard and difficult to manipulate. Avoid bending
or extending the pipe more than 3 times.
DO NOT bend the pipes in at an angle greater than 90°.
DO NOT bend the pipe excessively, otherwise it will break.
Bending Line Set
MINIMUM BEND RADIUS
When bending connective
refrigerant piping, the minimum
bending radius is 4 in (10 cm).
Refer to the illustration below.
Extend the pipe by unwinding it
3. As shown in the illustration to the right, use a sharp cutter
to cut the pipe insulation and bend the pipe after it is
exposed. After bending, place the insulation back on the
pipe and secure it with adhesive tape.
Pipe
Insulation
Pipe
Cutter
Cut line
≥4 in (10 cm)
Radius
The drain pan has a primary and secondary drain connection. Condensate removal is performed by attaching a
3/4 in (19 mm) pipe to the evaporator coil drain pan and is terminated in accordance with local or state plumbing
& HVAC codes. The installation must include a “P” style trap that is located close to the evaporator coil. Please refer
to the guidelines and illustration below to best determine how and where to run the condensate drain pipe.
DO NOT over-tighten the drain connection as this could damage or distort the drain pan
and cause condensate leakage.
DO NOT connect the condensate drain pipe into a waste pipe or other pipelines which are
likely to produce corrosive fumes or an odor. Connecting to these pipes could cause the
fumes or odor to enter indoors and/or corrupt the unit.
DO NOT connect the condensate drain pipe into a rain pipe, as this could cause rain water
to enter the unit and cause property damage and/or personal injury.
The condensate drain pipe should be connected into a drain system specifically for the unit.
3.5 Condensate Removal
.
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