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1 . Specification ....................................................................................................................................................................
2 . Dimension .......................................................................................................................................................................
3 . Piping diagram ..............................................................................................................................................................
4 . Wiring diagram ..............................................................................................................................................................
5 . Performance cure ..........................................................................................................................................................
6 . Capacity compensation rate for pipe length and height difference ...............................................................................
7 . Installation ....................................................................................................................................................................
8 . Indoor ....................................................................................................................................................................................
...................................................................................................................................................................................128
10 . Failure code ...............................................................................................................................................................
11 . Sensor code and B&R value .....................................................................................................................................
CONTENTS
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Dimension
2.1 Dimension -4MXC6518G1000AA
Provides dimensional drawings for the 4MXC6518G1000AA model.
2.2 Dimension -4MXC6524G1000AA
Provides dimensional drawings for the 4MXC6524G1000AA model.
2.3 Dimension -4MXC6536G1000AA
Provides dimensional drawings for the 4MXC6536G1000AA model.
2.4 Dimension -4MXC6548G1000AA
Provides dimensional drawings for the 4MXD6548G1000AA model.
2.5 Dimension -4MXC6560G1000AA
Provides dimensional drawings for the 4MXC6560G1000AA model.
2.6 Dimension -4MXD6512G1000AA
Provides dimensional drawings for the 4MXD6512G1000AA model.
2.7 Dimension -4MXD6518G1000AA
Provides dimensional drawings for the 4MXD6518G1000AA model.
2.8 Dimension -4MXD6524G1000AA
Provides dimensional drawings for the 4MXD6524G1000AA model.
2.9 Dimension -4MXD6536G1000AA
Provides dimensional drawings for the 4MXD6536G1000AA model.
2.10 Dimension -4MXD6548G1000AA
Provides dimensional drawings for the 4MXD6548G1000AA model.
2.11 Dimension4MXD6560G1000AA
Provides dimensional drawings for the 4MXD6560G1000AA model.
2.12 Dimension4MXX6518G1000AA
Provides dimensional drawings for the 4MXX6518G1000AA model.
2.13 Dimension4MXX6524G1000AA
Provides dimensional drawings for the 4MXX6524G1000AA model.
2.14 Dimension4MXX6536G1000AA
Provides dimensional drawings for the 4MXX6536G1000AA model.
2.15 Dimension4MXX6548G1000AA
Provides dimensional drawings for the 4MXX6548G1000AA model.
2.16 Dimension4MXX6560G1000AA
Provides dimensional drawings for the 4MXX6560G1000AA model.
2.17 Dimension4TXK6512G1000AA
Provides dimensional drawings for the 4TXK6512G1000AA model.
2.18 Dimension4TXK6518G1000AA
Provides dimensional drawings for the 4TXK6518G1000AA model.
2.19 Dimension4TXK6524G1000AA
Provides dimensional drawings for the 4TXK6524G1000AA model.
2.20 Dimension4TXK6536G1000AA
Provides dimensional drawings for the 4TXK6536G1000AA model.
2.21 Dimension4TXK6548G1000AA
Provides dimensional drawings for the 4TXK6548G1000AA model.
2.22 Dimension4TXK6560G1000AA
Provides dimensional drawings for the 4TXK6560G1000AA model.
Piping diagram
4TXK6512G1000AA 4TXK6518G1000AA 4TXK6524G1000AA
Piping diagrams for 4TXK6512G1000AA, 4TXK6518G1000AA, and 4TXK6524G1000AA models.
4TXK6536G1000AA 4TXK6548G1000AA 4TXK6560G1000AA
Piping diagrams for 4TXK6536G1000AA, 4TXK6548G1000AA, and 4TXK6560G1000AA models.
Wiring diagram
4.1 4MXC6518G1000AA
Wiring diagram for the 4MXC6518G1000AA model.
4.2 4MXC6524G1000AA 4MXC6536G1000AA 4MXC6548G1000AA 4MXC6560G1000AA
Wiring diagrams for 4MXC6524G1000AA, 4MXC6536G1000AA, 4MXC6548G1000AA, 4MXC6560G1000AA.
4.3 4MXX6518G1000AA 4MXX6524G1000AA 4MXX6536G1000AA 4MXX6548G1000AA
Wiring diagrams for 4MXX6518G1000AA, 4MXX6524G1000AA, 4MXX6536G1000AA, 4MXX6548G1000AA.
4.4 4MXD6512G1000AA 4MXD6518G1000AA 4MXD6524G1000AA 4MXD6536G1000AA 4MXD6548G1000AA 4MXD6560G1000AA
Wiring diagrams for 4MXD6512G1000AA, 4MXD6518G1000AA, 4MXD6524G1000AA, 4MXD6536G1000AA, 4MXD6548G1000AA, 4MXD6560G1000AA.
4.5 4MXD6536G1000AA 4MXD6548G1000AA
Wiring diagrams for 4MXD6536G1000AA and 4MXD6548G1000AA models.
4.6 4MXD6536G1000AA 4MXD6548G1000AA
Wiring diagrams for 4MXD6536G1000AA and 4MXD6548G1000AA models.
4.7 4TXK6512G1000AA 4TXK6518G1000AA 4TXK6524G1000AA 4TXK6536G1000AA 4MXC6548G1000AA 4MXC6560G1000AA
Wiring diagrams for multiple models including 4TXK, 4MXD, 4MXC series.
4.8 4TXK6518G1000AA
Wiring diagram for the 4TXK6518G1000AA model.
4.9 4TXK6512G1000AA 4MXD6518G1000AA 4MXD6524G1000AA
Wiring diagrams for 4TXK6512G1000AA, 4MXD6518G1000AA, and 4MXD6524G1000AA models.
4.10 4TXK6524G1000AA
Wiring diagram for the 4TXK6524G1000AA model.
4.11 4TXK6548G1000AA 4TXK6560G1000AA
Wiring diagrams for 4TXK6548G1000AA and 4TXK6560G1000AA models.
4.12 4TXK6560G1000AA
Wiring diagram for the 4TXK6560G1000AA model.
Performance cure
5.1 4TXK6512G1000AA
Performance data for the 4TXK6512G1000AA model under heating conditions.
5.2 4TXK6518G1000AA
Performance data for the 4TXK6518G1000AA model under heating conditions.
4TXK6518G1000AA---Cooling
Cooling performance data for the 4TXK6518G1000AA model.
5.3 4TXK6524G1000AA
Performance data for the 4TXK6524G1000AA model under heating conditions.
4TXK6524G1000AA---cooling
Cooling performance data for the 4TXK6524G1000AA model.
5.4 4TXK6536G1000AA
Performance data for the 4TXK6536G1000AA model under heating conditions.
5.5 4TXK6548G1000AA
Performance data for the 4TXK6548G1000AA model under heating conditions.
5.6 4TXK6560G1000AA
Performance data for the 4TXK6560G1000AA model under heating conditions.
4TXK6536G1000AA---Cooling
Cooling performance data for the 4TXK6536G1000AA model.
4TXK6548G1000AA cooling
Cooling performance data for the 4TXK6548G1000AA model.
4TXK6560G1000AA cooling
Cooling performance data for the 4TXK6560G1000AA model.
5.4 4TXK6536G1000AA
Performance data for the 4TXK6536G1000AA model under heating conditions.
5.5 4TXK6548G1000AA
Performance data for the 4TXK6548G1000AA model under heating conditions.
5.6 4TXK6560G1000AA
Performance data for the 4TXK6560G1000AA model under heating conditions.
4TXK6536G1000AA---Cooling
Cooling performance data for the 4TXK6536G1000AA model.
4TXK6548G1000AA---Cooling
Cooling performance data for the 4TXK6548G1000AA model.
4TXK6560G1000AA cooling
Cooling performance data for the 4TXK6560G1000AA model.
4TXK6548G1000AA cooling
Cooling performance data for the 4TXK6548G1000AA model.
4TXK6560G1000AA cooling
Cooling performance data for the 4TXK6560G1000AA model.
4TXK6536G1000AA cooling
Cooling performance data for the 4TXK6536G1000AA model.
4TXK6548G1000AA cooling
Cooling performance data for the 4TXK6548G1000AA model.
4TXK6560G1000AA cooling
Cooling performance data for the 4TXK6560G1000AA model.
Capacity compensation rate for pipe length and height defference
4TXK6512G1000AA cooling
Capacity compensation rates for pipe length and height difference for cooling.
4TXK6512G1000AA heating
Capacity compensation rates for pipe length and height difference for heating.
4TXK6518G1000AA cooling
Capacity compensation rates for pipe length and height difference for cooling.
4TXK6518G1000AA heating
Capacity compensation rates for pipe length and height difference for heating.
4TXK6524G1000AA cooling
Capacity compensation rates for pipe length and height difference for cooling.
4TXK6524G1000AA heating
Capacity compensation rates for pipe length and height difference for heating.
4TXK6536G1000AA cooling
Capacity compensation rates for pipe length and height difference for cooling.
4TXK6536G1000AA cooling
Cooling performance data for the 4TXK6536G1000AA model.
4TXK6548G1000AA cooling
Cooling performance data for the 4TXK6548G1000AA model.
4TXK6548G1000AA cooling
Cooling performance data for the 4TXK6548G1000AA model.
4TXK6560G1000AA cooling
Cooling performance data for the 4TXK6560G1000AA model.
Installation
7.1 Cassette
Installation procedures for cassette type indoor units.
Parts and Functions - Indoor Unit
Overview of indoor unit parts and their functions.
Installation Procedure
Step-by-step instructions for installing the indoor unit.
Cautions for the installation personnel
Important precautions for personnel performing installation.
SELECTION OF INSTALLATION PLACE
Guidelines for selecting the appropriate installation location.
(4) Selection of installation location of outdoor
Criteria for selecting the outdoor unit installation site.
General
General considerations for outdoor unit installation site selection.
Precautions on installation
Important precautions to consider during the installation process.
Drilling the holes and attaching the suspension bolts
Instructions for drilling holes and attaching suspension bolts.
If using anchor bolts
Procedure for installing anchor bolts.
Installing the indoor unit
Steps for lifting and securing the indoor unit.
Adjusting to levelness
Procedure for ensuring the unit is level and correctly adjusted.
Installing the coupler heat insulation
Instructions for applying heat insulation to the coupler.
Installing The Drain Hose
Guidance on installing the drain hose for proper water drainage.
Install insulation for the drain pipe
How to cut and apply insulation material to the drain pipe.
Electrical Wiring
Comprehensive guide to electrical wiring for the unit.
A. Connect wiring to the terminals
Steps for connecting wires to the unit's terminals.
B. For solid core wiring (or F-cable)
Procedure for connecting solid core wiring or F-cable.
C. For strand wiring
Procedure for connecting strand wiring.
Fix connection cord and power cable at the cord clamp
Securing connection cords and power cables using a cord clamp.
Electrical requirement
Specifications for wire sizes and circuit protection for electrical connections.
Connect indoor unit and outdoor unit
Instructions for connecting indoor and outdoor unit power and control cables.
Connecting power supply and inter-unit wiring
Guidance on connecting power supply and inter-unit wiring.
7.4 ODU-EN
Selecting installation site
Guidance on selecting the optimal installation site for the outdoor unit.
General
General considerations for outdoor unit installation site selection.
Selecting the mounting position to install the indoor units
Criteria for selecting indoor unit mounting positions for optimal performance.
Installation Site Selection Conditions
Conditions for satisfactory installation site selection, considering user consent.
Steps to follow after selecting the unit installation location
Steps to follow after selecting the unit installation location.
Installation Procedure
General procedure for installing the unit.
Building roof of installation
Considerations for installing the unit on a building roof.
1. Installation of air sending duct
Instructions for installing the air sending duct.
Installation
2. Installation of air return duct
Instructions for installing the air return duct.
7.2 Convertible - EN
Parts and Functions - Indoor Unit
Overview of indoor unit parts and their functions.
Installation Procedure
Step-by-step instructions for installing the indoor unit.
Installation
Cautions for the installation personnel
Important precautions for personnel performing installation.
Selecting the mounting position to install the indoor units
Criteria for selecting indoor unit mounting positions for optimal performance.
Installation Site Selection Conditions
Conditions for satisfactory installation site selection, considering user consent.
Installation
Accessorles For lnstallatlon
List of optional parts provided for installation.
Malntenance Space Dlmenslon
Required clearance dimensions for unit maintenance.
For ceiling installation
Maintenance space requirements for ceiling-mounted installations.
For half concealed installation
Maintenance space requirements for half-concealed installations.
Installing The Indoor Unit
Steps for installing the indoor unit.
Connection pipe requirement
Specifications for refrigerant pipe diameter, length, and height.
Installation
Install the room air conditioner as follows
General procedure for installing the room air conditioner.
Installation
Open the intake grill
Instructions for opening the intake grill.
Remove the Side cover
Procedure for removing the side cover.
Installation
Cut intake grill for drain pipe
How to cut the intake grill for drain pipe installation.
Installing the drain pipe and the connecting pipe
Steps for installing the drain pipe and connecting pipe.
Installation
Location of ceiling supension bolts
Information on the placement of ceiling suspension bolts.
For half-concealed installation
Installation details for half-concealed unit configurations.
Installation
Drilling the holes and attaching the suspension bolts
Instructions for drilling holes and attaching suspension bolts.
If using anchor bolts
Procedure for installing anchor bolts.
Installing the indoor unit
Steps for lifting and securing the indoor unit.
Adjusting to levelness
Procedure for ensuring the unit is level and correctly adjusted.
Installation
Foundation work
Instructions and requirements for foundation work for outdoor units.
Installation
Selection of installation location of outdoor
Guidelines for selecting the optimal installation site for the outdoor unit.
1 . Single-unit installation (unit: mm)
Installation dimensions for single outdoor unit setups.
Installation
2 . Multi-unit installation (unit: mm)
Installation dimensions for multi-unit outdoor configurations.
3 . Multi-unit installation in front and back (unit: mm)
Installation dimensions for multi-unit front and back setups.
Drain pipe disposal
Proper methods for managing drain pipe installation and disposal.
Installation
Refrigerant pipe size and allowable pipe length
Critical technical information regarding refrigerant pipe specifications.
Danger
Safety warning regarding refrigerant piping and pressure.
Information
Important information regarding refrigerant handling and regulations.
Notice
Notice for persons in charge of piping work.
Installation
Necessary Tools and Materials
List of required tools and materials for installation and servicing.
Installation
Tools and materials that may be used with R410 with some restrictions
List of tools and materials compatible with R410A, with applicable restrictions.
Tools and materials that are used with R22 or R407C that can also be used with R410A
Tools and materials compatible with R22/R407C that can also be used with R410A.
Tool and materials that must not used with R410A
List of tools and materials that are incompatible with R410A.
Piping Materials
Reference information on types of copper pipes used.
Installation
Piping Materials/Radial Thickness
Details on pipe material and radial thickness requirements.
Flare Machining (type-O and OL only)
Flare machining dimensions for R410A units to ensure air tightness.
Flare Nut
Information on type-2 flare nuts used for increased strength.
Installation
Notice
Important notices regarding piping installation and usage.
Cautions on handling the stem cap
Precautions for handling the stem cap on stop valves.
Cautions on handling the service port
Precautions for handling the service port on Schrader type valves.
Installation
Refrigerant piping
Piping diagram for single split systems.
Piping size for single split
Specifications for refrigerant pipe sizes in single split systems.
Limitations for one way piping length and vertical height difference for single split
Limits on piping length and vertical height difference for single split systems.
Installation
Precautions for refrigerant piping
Important precautions for refrigerant piping installation and bending.
Piping connection method
Methods for connecting refrigerant pipes, including oil application and tightening.
Installation
Preventing foreign objects from entering
Measures to prevent foreign objects and animals from entering the unit.
Installation
Preventing foreign objects from entering
Measures to prevent foreign objects and animals from entering the unit.
Cautions for necessity of a trap
Guidance on installing traps to prevent oil return issues in riser piping.
Leak test and vacuum drying
Procedures for performing leak tests and vacuum drying on the refrigerant piping.
General guidelines
General guidelines for refrigerant system servicing and handling.
Installation
Leak test
Detailed procedure for performing leak tests on the refrigerant system.
Vacuum drying
Procedure for removing moisture from the refrigerant system.
Charging refrigerant
Important information and procedures for charging refrigerant.
Installation
Complete recharging
Instructions for complete refrigerant recharging after installation.
Installation
Total charging weight of the refrigerant (after a leak, etc.)
Calculation of total refrigerant charging weight based on piping length.
Add oil instruction
Instructions for adding oil to the refrigerant system.
Installation
Electrical wiring work
Guidance and precautions for performing electrical wiring work.
Danger:High Voltage
Safety warning regarding high voltage during electrical work.
Notice
Important notice for personnel involved in electrical wiring work.
Precautions on electrical wiring work
Safety precautions for electrical wiring work.
Danger
Safety warning regarding electrical connections and earthing.
Installation
Connecting power supply and inter-unit wiring
Instructions for connecting power supply and inter-unit wiring.
Installation
Outdoor-indoor unit connection cable
Details on outdoor-indoor unit connection cable specifications.
Power supply cable
Details on power supply cable specifications.
Indoor
8.1 Indoor unit
Information on indoor unit models and their main control PCB spare part codes.
Indoor unit dip switch setting
SW1-1 SW1-2 SW1-3 SW1-4 SW1-5 SW1-6 SW1-7 SW1-8 Description
Description of SW1 dip switch settings for indoor unit configuration.
SW3(1-ON,0-OFF) indoor unit address No. in group controller
SW3 dip switch settings for indoor unit address in group controller.
Indoor unit dip switch setting
SW1-1 SW1-2 SW1-3 SW1-4 SW1-5 SW1-6 SW1-7 SW1-8 Description
Description of SW1 dip switch settings for indoor unit configuration.
SW3(1-ON,0-OFF) indoor unit address No. in group controller
SW3 dip switch settings for indoor unit address in group controller.
Indoor unit dip switch setting
SW1-1 SW1-2 SW1-3 SW1-4 SW1-5 SW1-6 SW1-7 SW1-8 Description
Description of SW1 dip switch settings for indoor unit configuration.
SW3(1-ON,0-OFF) Indoor unit address No. in group controller
SW3 dip switch settings for indoor unit address in group controller.
Indoor unit dip switch setting
SW01(1-ON,0-OFF)
SW01 dip switch settings for various functions.
SW03(1-ON,0-OFF) Indoor unit address No.in group controller
SW03 dip switch settings for indoor unit address in group controller.
Indoor unit dip switch setting
SW01(1-ON,0-OFF)
SW01 dip switch settings for various functions.
SW03(1-ON,0-OFF) Indoor unit address No.in group controller
SW03 dip switch settings for indoor unit address in group controller.
Indoor unit function
1. Dry mode Operation
Operation details for the dry mode of the indoor unit.
2. auto mode
Explanation of auto mode operation for cooling and heating.
3. Abnormal Operation
Conditions and behavior during abnormal operation scenarios.
4. Room Card Function
Details on the room card function for ON/OFF control and its logical relationship.
Indoor unit function
6. water pump and flow switch control
Control logic for the water pump and flow switch.
7. Timer operation
Explanation of timer operation for wired and remote control types.
8. Sleep Function
Details on the sleep function for cooling and heating modes.
9. Auto-Restart Function
Configuration and behavior of the auto-restart function.
10. Compulsory Defrosting Operation
Procedures for compulsory and manual defrosting operations.
Outdoor
9.1 Outdoor unit PCB
List of outdoor unit PCB models and their corresponding part codes.
9.2 Outdoor Unit PCB photo
Photographic reference of the outdoor unit PCB.
Outdoor dip swith setting
MODEL Main Control PCB Power module
Table listing models, main control PCB, and power module part codes.
4TXK6512G1000AA
SW1 dip switch settings for the 4TXK6512G1000AA model.
4TXK6518G1000AA
SW1 dip switch settings for the 4TXK6518G1000AA model.
4TXK6536G1000AA
SW1 dip switch settings for the 4TXK6536G1000AA model.
SW01(1-ON,0-OFF)
SW01 dip switch settings for various functions.
SW03(1-ON,0-OFF) Description
SW03 dip switch settings for indoor unit address in group controller.
Outdoor unit function
9.4.1 Compressor discharge temp. (TD) high temp. protection function.
Protection function based on compressor discharge temperature.
9.4.2 Condenser overheat protection
Protection function for condenser overheat during cooling operation.
Outdoor unit function
9.4.3 Condenser overheat protection
Protection function for condenser overheat during cooling and heating.
Outdoor unit function
9.4.4 Oil return control
Control logic for ensuring regular oil return to the compressor.
Outdoor unit function
9.4.5 Control of operating EEV
Control logic for the Electronic Expansion Valve (EEV).
Outdoor unit function
4. The limitation of the EEV opening
Limitations on EEV opening based on unit state and operating mode.
9.4.6 Control of shutdown
Control logic for unit shutdown modes, including initiative and passive.
9.4.7 Defrosting control in heating mode
Conditions and control logic for defrosting in heating mode.
Outdoor unit function
9.4.8 Four way valve control:
Control logic for the four-way valve in different operating modes.
Failure code
10.1 4MXC6518G1000AA failure code
Failure codes and possible reasons for the 4MXC6518G1000AA model.
Failure code
10.2 4MXC6524G1000AA 4MXC6536G1000AA 4MXC6548G1000AA 4MXC6560G1000AA failure code
Failure codes and possible reasons for multiple 4MXC/4MXX models.
Failure code
10.6 4TXK6512G1000AAfailure code
Failure codes and diagnosis for the 4TXK6512G1000AA model.
Failure code
10.8 4TXK6524G1000AA failure code
Failure codes and diagnosis for the 4TXK6524G1000AA model.
Failure code
10.7 4TXK6518G1000AA failure code
Failure codes and diagnosis for the 4TXK6518G1000AA model.
Failure code
10.9 4TXK6536G1000AA 4TXK6548G1000AA 4TXK6560G1000AA failure code
Failure codes and diagnosis for 4TXK6536G, 4TXK6548G, 4TXK6560G models.

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