When the outdoor unit is surrounded by walls or other obstructions, the installation space of the
unit should be no less than the clearances indicated below. For efficient operation, leave three of
four directions of peripheral constructions open when possible.
WARNING
1. Install the unit on a level surface or on supports that are level.
2. If the location is subject to strong winds, the additional force must be accounted for and the
unit must be fixed securely to the base. Refer to local codes for additional requirements.
＞12(305)
＞20(508)
＞79(2000)
＞12 (305)
＞12(305)
＞20(508)
＞79(2000)
inch(mm)
Installing the Outdoor Unit
Select the installation location that provides easy access to the indoor unit.
1. Make sure the location can support at least four times the weight of the unit.
2. Secure the outdoor unit on the selected base location with expansion screws.
3. The outdoor unit should be installed at least 1 1/4 inch above the ground or base in order to
install a drain pipe and connector (shown below).
At least 1 1/4 inch (31.8mm) clearance
Condensate Management of the Outdoor Unit
1. The outdoor unit(s) should be located where condensate poses no hazard or safety risk. Each
unit is supplied with a drain pipe connector.
2. Before installing the drain pipe fitting, appropriately plug all other base pan holes not used.
3. Install the drain pipe fitting into the appropriate hole located at the base of the unit and then
connect the drain pipe to it.
20 88-M4MHW15-1D-EN
Installer's Guide
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