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General| Brand | Mitsubishi Electric |
|---|---|
| Model | PUY-A18NHA4 |
| Category | Air Conditioner |
| Language | English |
Highlights essential safety rules before accessing terminals and handling refrigerant.
Details safety precautions for R410A refrigerant, including pipe cleaning and handling.
Provides specific guidance on refrigerant piping for R410A, including pipe thickness and flare nut dimensions.
Presents noise level data in octave bands for different operating modes and models.
Provides detailed operational data such as capacity, input, voltage, and refrigerant circuit specs.
Details wiring specifications for systems where the outdoor unit supplies power to the indoor unit.
Details wiring configurations for systems with separate power supplies for indoor and outdoor units.
Specifies wire size and maximum cable length for indoor-outdoor connecting cables.
Covers M-NET wiring, grounding, address setting, and refrigerant address configuration.
Covers general troubleshooting, error code summaries, test run prerequisites, and self-diagnosis procedures.
Details self-diagnosis for normal operation, maintenance, remote controller, and wireless remote controller.
Lists error codes for power-on abnormalities with detection methods, cases, and corrective actions.
Addresses issues like controller errors, abnormal sounds, and performance problems.
Covers common issues reported by customers, such as unit not operating or unusual sounds.
Explains how to switch to and use maintenance mode, including fixed Hz operation and data measurement.
Provides a guide for checking operation conditions and judging unit performance based on temperature differences.
Details procedures for selecting functions like refrigerant address and unit number using the wired remote.
Provides step-by-step instructions for function selection using the wired remote controller.
Explains how to select functions such as temperature display and operational modes using the wireless remote.
Details various function settings configurable via the remote controller, like language and timer.
Describes how to change the temperature display mode from Fahrenheit to Celsius.
Lists request codes for monitoring operation data and provides details on specific data points.
Details model, capacity, and setting information for outdoor and indoor units via request codes.
Explains how to set the wireless pair number for indoor control boards.
Provides steps for removing the service panel, top panel, front panel, and back panel.
Details the procedure for removing the fan motor and the electrical parts box.
Guides the removal of various sensors (thermistors) and valve coils.
Covers the removal procedures for the compressor, accumulator, and reactor.
