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Need help?Do you have a question about the KeepRite N4A3 and is the answer not in the manual?
Explains the use of signal words like WARNING and CAUTION within the manual for hazard communication.
Describes signal word integration with colors/pictures on product labels for hazard identification.
Details on creating a stable, level base for ground-level unit placement using permanent materials.
Considerations for roof-top installations, including structural support and noise implications.
How to secure the unit in place using tie-down bolts if required by codes or conditions.
Emphasizes matching R-410A outdoor units with specific R-410A indoor coils and TXV requirements.
Illustrates the typical installation of a hard shut-off TXV on an indoor coil, showing key components.
A table detailing recommended suction and liquid line diameters based on model size and line set length.
Diagram and recommendation for installing oil traps every 20 feet of vertical suction line riser.
A diagram showing the correct placement and orientation of the liquid line filter-drier near the indoor coil.
Critical warning about removing refrigerant and oil before brazing to prevent ignition and burns.
Caution to braze with appropriate alloys and protect components like TXV with a wet cloth.
Warning against using the outdoor unit compressor as a vacuum pump, as it can cause damage.
A graph illustrating how vacuum gauge readings indicate system conditions like leaks or moisture.
A flowchart outlining the steps for the triple evacuation process, including evacuation and nitrogen purging cycles.
Emphasizes turning off all power sources before performing any electrical work to prevent electrocution.
Details on wiring power supply, conduit requirements, and grounding connections per codes.
Diagrams illustrating common wiring configurations for thermostats connected to the HVAC system.
A chart correlating liquid line pressure, subcooling temperature, and required liquid line temperature for charge adjustment.
Overview of the Comfort Alert device, its function in monitoring system faults, and LED indicators.
Instructions for checking and cleaning the condensate drain to ensure proper water removal during operation.
Tips for maintaining the unit's exterior and coil, emphasizing airflow and avoiding moisture-trapping covers.
Provides specific troubleshooting steps correlated with different LED status codes for diagnosing system faults.
Highlights that R-410A operates at higher pressures and requires specific equipment and POE oils.
Lists essential service equipment ratings, leak detection, and safety measures like using dry nitrogen.
General| Refrigerant | R-410A |
|---|---|
| Power Supply | 208/230V, 1 Phase, 60Hz |
| Stages | Single-Stage |
| Operating Temperature Range (Cooling) | 62°F to 115°F |
| Air Flow (High) | 700 CFM |
| Noise Level (High) | 54 dB |
| Dimensions (H x W x D) | 21.5 x 31.5 x 31.5 inches |
