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Installation Precautions
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If the remote sensors are not used with this controller, then do not install this controller...
○ In a room where there is no thermostat.
○ Where the unit is exposed to direct sunshine or direct light.
○ Where the unit is in close proximity to a heat source.
○ Where hot/cold air from the outdoors, or a draft from elsewhere (such as air vents, diffusers, or grilles) can affect air circulation.
○ In areas with poor air circulation and ventilation.
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Perform a test run using the controller to ensure normal operation. Safety guards, shields, barriers, covers, and protective
devices must be in place while the compressor/unit is operating. During the test run, keep fingers and clothing away from any
moving parts.
After installation work for the system has been completed, explain the "Safety Precautions," use, and maintenance of the unit to
the customer according to the information in all manuals that accompanied the system. All manuals and warranty information
must be given to the user or left near the Indoor Unit.
Electrical Precautions
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Only use electrical protection equipment and tools suited for this installation.
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Insulate the wired controller against moisture and temperature extremes.
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Use specified cables between units and the controller.
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Communication cabling must be a minimum of 18-Gauge, 2-Conductor, Stranded Copper.
Shielded cable must be considered for applications and routing in areas of high EMI and other sources of potentially excessive
electrical noise to reduce the potential for communication errors. When shielded cabling is applied, proper bonding and
Take the following precautions to reduce the risk of electric shock, fire, or explosion
resulting in serious injury or death.
Take the following precautions to reduce the risk of electric shock, fire, or explosion
resulting in serious injury or death:
1. Safety Summary
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