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Symbols indicate potential death, serious injury, or property damage.
Strict adherence to instructions prevents leaks, shock, fire, and warranty voidance.
Steps for setting thermostat and operating the unit for cooling.
Periodic cleaning of air filters and outdoor coils is required.
Wait before restarting; avoid unauthorized alterations to prevent hazards.
Inspect all packages for damage upon receipt and report immediately.
Unit operates between 65°F and 109°F; low ambient operation needs kits.
Unit compatibility, fan time delay, and thermostat selection importance.
An in-line filter drier is mandatory for system protection and warranty.
Guidelines for unit placement, clearances, pipe lengths, and protection from elements.
Avoid roof water/snow fall areas and drifting snow; consider wind barriers.
Maintain adequate clearances for air inlet/outlet and maintenance access.
Securely anchor the unit with bolts on a rigid surface, especially in high-wind/seismic areas.
All wiring must comply with NEC/local codes; check nameplate for electrical data.
Instructions for accessing the unit, connecting cables, looping, and insulating.
Incorrect wiring causes malfunctions; use qualified electricians and adhere to codes.
Wiring terminal block diagrams for 12K and 18K-48K models.
Refer to thermostat instructions for specific 24V thermostat wiring details.
Detailed circuit diagrams for 12K and 18K models showing component connections.
Diagrams are for reference; always follow the actual wiring diagram on the unit.
Circuit diagrams for 24K, 30K, and 36K models detailing electrical connections.
Diagrams are for reference; always follow the actual wiring diagram on the unit.
Detailed circuit diagram for the 48K model showing electrical component connections.
Diagrams are for reference; always follow the actual wiring diagram on the unit.
Details on refrigerant piping size, max length, elevation, insulation, and installation.
It is illegal to discharge refrigerant; use proper methods and qualified personnel.
Steps for leak testing, evacuating to 500 microns, and checking for moisture/leaks.
Ensure panels, power, and thermostat are correctly installed before operation.
Steps to check thermostat function, fan operation, and compressor engagement.
Proper system charge is vital for performance, efficiency, and unit longevity.
Final visual inspection, cleanup, and homeowner operation review.
Covers 1-year parts, 5-year compressor, with conditions and exclusions.
Instructions for contacting installers or MARS for claims, parts, and support.
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