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General Installation Guidelines
Due to our policy of continuous product innovation, some specifications may change without notification.
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GENERAL INSTALLATION GUIDELINES
Planning for Snow and Ice, continued.
The indoor unit may take longer to provide heat, or heating performance will be reduced in winter if the unit is installed in the following locations:
Choose an area where run-off water from defrost cycle will not accumulate and freeze on sidewalks or driveways. Properly install and insulate any
drain hoses to prevent the hose from freezing, cracking, leaking, and damaging the outdoor unit.
• In a narrow, shady location.
• Near a location that has a lot of ground moisture.
• In a highly humid environment.
• In an area in which condensate does not drain properly.
Outdoor Unit Location Selection
When deciding on a location to place the outdoor unit, be sure to choose an area where run-off water from defrost cycle will not accumulate and
freeze on sidewalks or driveways, which may create unsafe conditions. Properly install and insulate any drain hoses to prevent the hose from freez-
ing, cracking, leaking, and causing unsafe conditions from frozen condensate.
Tie-Downs and Lightning Protection
Tie-Downs
• The strength of the roof must be checked before installing the
outdoor units.
• If the installation site is prone to high winds or earthquakes, when
installing on the wall or roof, securely anchor the mounting base
using a field-provided tie-down configuration approved by a local
professional engineer.
• The overall tie-down configuration must be approved by a local
professional engineer.
Always refer to local code when using a wind restraint system.
Lightning Protection
• To protect the outdoor unit from lightning, it must be placed within
the specified lightning safety zone.
• Power cable and communication cable must be installed five (5) feet away from lightning rod.
• A high-resistance ground system must be included to protect against induced lightning or indirect strike.
Building Height (feet)
66
98
148
197
Protection Angle (˚)
55
45
35
25
If the building does not include lightning protection, the outdoor unit may be damaged from a lightening strike. Inform the customer of this possibility
in advance.
Ground
Safe zone
Lightning rod
Protection Angle (25˚~55˚)
5 feet
Lightning rod
Figure 1: Lightning Protection Diagram.
Table 3: Safety Zone Specifications.
