AUX AMCA-H12/4R1A User Manual

AUX AMCA-H12/4R1A

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AUX DC Inverter Free Match 50HZ R410A

1

SERVICE MANUAL

(DC Inverter Free Match R410a)

Questions and Answers:

K
Kevin ByrdAug 3, 2025
Why is my AUX AMCA-H12/4R1A not cooling or heating properly?
- S
  Sean LopezAug 3, 2025
  If your AUX Air Conditioner isn't cooling or heating as expected, several factors could be at play. First, extremely high outside temperatures or too many people in the room can affect performance, but this isn't a malfunction. Ensure the power voltage is between 220V-380V for normal operation; if it's too low, use a power manostat. Also, check that the temperature controller is properly adjusted. If you've selected a high wind speed and the indoor temperature remains high, try removing and washing the filter.
D
David LawsonAug 11, 2025
How to get rid of smelly room caused by AUX Air Conditioner?
- C
  Christopher LewisAug 11, 2025
  If your AUX Air Conditioner has a bad smell, it's unlikely the unit itself. Try cleaning the filter of the indoor unit. This should resolve the issue.
A
Aaron MendozaAug 18, 2025
What to do if AUX AMCA-H12/4R1A Air Conditioner makes noise after stopping?
- S
  Sheila JimenezAug 18, 2025
  The sound you hear when the AUX Air Conditioner stops running is due to the refrigerant flowing contrarily. This is normal.
S
Sharon CooperAug 26, 2025
Why is there no wind when AUX AMCA-H12/4R1A starts heating?
- A
  Angela FranklinAug 26, 2025
  When starting your AUX Air Conditioner in heating mode, there might be no wind at first. Please be patient.

AUX AMCA-H12/4R1A Specifications

General

Cooling Capacity	12000 BTU/h
Cooling Capacity (Ton)	1 Ton
Energy Efficiency Ratio (EER)	3.21
Refrigerant	R410A
Noise Level (Indoor)	38 dB
Noise Level (Outdoor)	52 dB
Power Supply	220-240V, 50Hz
Type	Split
Operating Temperature (Cooling)	18°C to 43°C

Summary

Part 1 General Information

Indoor/Outdoor Unit Combination

Table detailing compatible indoor and outdoor unit models and their capacities.

Part 2 Indoor Unit

Part 3 Free Match Outdoor Unit

Specification

Technical specifications for various outdoor unit models, including capacity, power, and dimensions.

Capacity Amendment

Details on running range and capacity adjustment coefficients based on temperature and height.

Electrical Diagram and connection

Installation

Step-by-step guide and precautions for installing outdoor units, including piping and wiring.

Part 4 Trouble Shooting

Main components of air conditioner

Electrical system main components

Electric components malfunction inspection

Methods for inspecting electrical components like compressor, control board, and motors for malfunctions.

Failure code display

Table of error codes displayed by the unit and their meanings for troubleshooting.

Failure analysis

Flowcharts for analyzing and resolving failures without specific error codes, like communication issues.

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