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General| Brand | Mitsubishi Electric |
|---|---|
| Model | PUZ-A12NKA7 |
| Category | Air Conditioner |
| Language | English |
Lists indoor unit models, service references, and manual numbers.
Essential safety rules for repair and maintenance procedures.
Precautions for using R410A refrigerant and required tools.
Guidelines for safe and correct refrigerant piping installation for R410A.
Considerations for operating the unit in low ambient temperatures.
Explanation of the pre-charged refrigerant system and its benefits.
Tables for refrigerant charge amounts and compressor technical specifications.
Sound pressure level data presented as noise criterion curves.
Operating parameters and performance data for standard models.
Physical dimensions, installation space, foundation, and piping/wiring details.
Specifications for power supply, wiring sizes, and ratings for A-control application.
Guidance on diagnosing issues, check codes, and general troubleshooting.
Procedures for performing test runs and checking unit operation.
How to access and perform self-diagnosis using the remote controller.
Procedure for checking the remote controller's operational status and functionality.
Troubleshooting table for issues detected upon initial power supply.
Troubleshooting table for issues occurring while the unit is running.
Diagnostic steps and resistance values for checking various unit components.
Detailed resistance values and formulas for checking thermistors.
Procedures for checking LEV operation and attachment/detachment.
Cautions, procedures for starting, and releasing emergency operation.
Identification of critical test points on the power module for troubleshooting.
Explanation of DIP switch functions, settings, and effective timing.
Details on connector functions, particularly CN31 for emergency operation.
Explanation of special functions like low-noise mode and demand control.
How to use the Smooth Maintenance function to view operational data.
Procedure for initial setup and data reset for leak detection.
Guide to setting unit functions using the remote controller.
Steps for selecting functions using the wired remote controller.
Steps for selecting functions using the IR wireless remote controller.
Explanation of the PAR-32MAA remote controller's buttons and screen functions.
How to change the temperature display unit between Celsius and Fahrenheit.
Steps to monitor unit data, thermistor temps, and error history via remote.
Comprehensive list of request codes and their corresponding operational data.
Steps to remove the outdoor unit's outer panels and the fan motor assembly.
Procedures for removing electrical parts, thermistors, coils, valves, switches, reactor, capacitor, compressor, and power receiver.
