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General| Model | RX20JV1B |
|---|---|
| Category | Heat Pump |
| Heating Seasonal Performance Factor (HSPF) | 9.0 |
| Refrigerant | R-410A |
| Coefficient of Performance (COP) | 3.5 |
| Cooling Capacity | 20, 000 BTU/hr |
| Power Supply | 208-230V, 1 Phase, 60Hz |
| Stages | Single-stage |
Important warnings and precautions for safe operation and repair.
Explanation of symbols used throughout the manual for clarity.
Detailed list of operational functions categorized by type and model compatibility.
Technical data, capacities, dimensions, and electrical characteristics for various models.
Diagrams showing connections on the indoor unit's control and display PCBs.
Diagrams illustrating connections for the outdoor unit's main and filter PCBs.
Detailed descriptions of core operational modes like temperature, frequency, and fan control.
Details the role and operation of thermistors in system control.
Outlines the system's control logic, mode hierarchy, and frequency management.
Identifies and describes system malfunctions, sensor errors, and protection controls.
Guide to using the remote controller, its buttons, display, and functions.
Using LED indicators on indoor/outdoor units for fault diagnosis.
Common issues and corresponding troubleshooting steps and checks.
Procedures for entering diagnostic modes and interpreting error codes via the remote controller.
Comprehensive list of error codes, their descriptions, and reference pages for detailed troubleshooting.
Essential procedures like pump down, forced cooling, and trial operation for maintenance.
Configuration settings for multi-unit installations and PCB jumper adjustments.
Proper application of silicon grease for heat dissipation on power components.
Visual representations of refrigerant and component piping for indoor and outdoor units.
Electrical connection schematics for indoor and outdoor unit PCBs.
References to specific booklets detailing unit disassembly and reassembly.
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