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General| Brand | North American |
|---|---|
| Model | MSV1I-09HRDN1-M |
| Category | Air Conditioner |
| Language | English |
Details indoor unit features, controls, sensors, fan speed, and air vane.
Covers anti-freezing, time delay, and independent dehumidification for cooling.
Describes Sleep mode, Auto mode, air flow control, and temp compensation.
Includes Tele Remote, Self-diag, Anti-cold, Auto-defrost, Auto-restart.
Focuses on features enhancing outdoor unit efficiency and noise reduction.
Highlights features for longevity like anti-rust cabinet and discharge pipe protection.
Provides dimensional data for 9K and 12K Vertu Series indoor units.
Specifies dimensions for M2OC-18HRDN1-M and M3OC-27HRDN1-M outdoor units.
Presents dimensional drawings for the M4OC-36HRDN1-M outdoor unit.
Illustrates refrigeration circuits for quadplex and trinary inverter systems.
Details the refrigeration circuit for binary inverter systems.
Further details on the binary system's refrigeration circuit.
Specifies temperature limits for cooling, heating, and dry modes.
Lists compatible indoor unit combinations for M2OC-18HRDN1-M.
Lists compatible indoor unit combinations for M3OC-27HRDN1-M.
Lists compatible indoor unit combinations for M4OC-36HRDN1-M.
Important advisory on exceeding standard capacity mixes.
Detailed wiring diagram for 9k and 12k indoor units.
Explanation of symbols used in the wiring diagrams.
Wiring diagram for M2OC-18HRDN1-M outdoor unit.
Wiring diagram for M3OC-27HRDN1-M outdoor unit.
Wiring diagram for M4OC-36HRDN1-M outdoor unit.
Electrical requirements and explanation of indoor display icons.
Meanings of indicators like OPERATION, AUTO, TIMER, IONIZER, TURBO, FREQUENCY, TEMPERATURE.
FAN SPEED indicators and control of the indoor unit's LED display.
Information on the outdoor unit's digital display tube and its functions.
Guide on using the SW1 switch for unit diagnostics and data display.
Data tables for compressor frequency and running mode displays.
Tables for displaying indoor unit count and outdoor ambient temperature.
Data for outdoor unit current and electronic expansion valve opening.
Details protections for discharge temp, voltage, current, and driving.
Covers protections for sensors, fan speed, zero-crossing signals, and condenser temp.
Explains pressure protection and compressor pre-heating function.
Introduction to Fan-only, Cooling, and Heating modes.
Details auto fan operation and anti-freezing control in cooling mode.
Specifics of indoor fan, low temp protection, and anti-freezing in dehumidifying.
Covers fan actions, anti-cold wind, and auto fan in heating mode.
High-temp protection in heating, and defrost conditions/actions.
Explains auto mode, manual switch, and timer functions.
Details sleep mode operation and the auto restart function.
Specifics of sleep mode in cooling, heating, and auto modes.
Handling of conflicting operation modes and unit actions.
Highlights safety measures for capacitors and high voltage.
Lists LED status codes (E0-E6, P0-P4) for indoor unit faults.
Lists LED status codes (E0-E7, P0-P7, PF) for outdoor unit faults.
Steps for diagnosing and resolving indoor unit issues like EEPROM errors.
Guides for resolving zero-crossing and fan speed control errors.
Steps for troubleshooting indoor/outdoor temperature sensor faults (E5, E6).
Guidance for resolving inverter module protection faults (P0).
Steps for resolving outdoor voltage and compressor temperature protections (P1, P2).
Guides for resolving compressor current and drive protection issues (P3, P4).
Troubleshooting for outdoor EEPROM errors (E0) and sensor faults (E1).
Steps for resolving sensor errors on indoor units 2, 3, and 4.
Guides for resolving outdoor sensor (E4) and compressor voltage (E5) issues.
Steps to check power supply and transformer voltage for faults.
Steps for resolving outdoor unit communication protection errors.
Verifying +5V, +3.3V, and IC6/IC7 on outdoor PCBs.
Resolving compressor temperature (P0) and current (P3) protection issues.
Diagnosing compressor drive malfunction (P4) via resistance and pressure checks.
Verifying U,V,W connections and inverter compressor resistance.
Resolving compressor drive module protection faults.
Steps to resolve condenser high-temperature protection.
Verifying outdoor pipe temperature sensor accuracy and function.
Table correlating temperature sensor resistance with temperature values.
Reference voltage data for rectifier and inverter modules.
Instructions for checking the diode bridge component for abnormalities.
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