37MGHAQ: Installation Instructions
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
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Step 1 - Select the Installation Location
Before Installing the Outdoor Unit
The following are standards that will help choose an appropriate location for the unit.
NOTE: Before installing the outdoor unit, select an appropriate location. The following details are standards designed to help select an
appropriate location for the unit. Install the unit by following local codes and regulations, there may be differ slightly between
different regions. Install the unit in accordance with the local codes and regulations.
Step 2 - Install the Drain Joint
NOTE: Before bolting the outdoor unit in place, you must install the drain joint at the bottom of the unit. For units with a base pan built-in
(with multiple holes for proper draining during defrost), the drain joint is not needed to be installed.
1. Locate the outdoor unit’s base pan hole.
Fig. 11 — Base pan hole
2. Fit the rubber seal on the end of the drain joint that connects to the outdoor unit.
Fig. 12 — Fit the rubber seal
3. Insert the drain joint into the hole in the base pan of the unit. The drain joint “clicks” into place.
4. Connect a drain hose extension (not included) to the drain joint to redirect water from the unit during the HEATING mode.
NOTE: In cold climates, ensure the drain hose is as vertical as possible to ensure swift water drainage. If water drains too slowly, it can freeze
in the hose and flood the unit.
Proper installation locations meet the following standards:
Firm and solid—the
location can support the
unit and will not vibrate.
Protected from prolonged periods
of direct sunlight or rain.
Where snowfall is anticipated, take
appropriate measures to prevent
ice buildup and coil damage.
Good air circulation
and ventilation.
Meets all spatial requirements shown in Installation
Clearance Requirements above.
Noise from the unit
will not disturb other
people.
Long-term
4in(100mm)
or more
20in(500mm) or more when front
and sides of the unit are clear
14in(350mm)
or more
4in(100mm)
or more
20in(500mm)
or more
when any 2
sides of left, right
and rear of the unit
are clear
outdoor unit
Base pan hole
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