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Acson RCM 50 DR - User Manual

Acson RCM 50 DR
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Ceiling Exposed
Split Systems
ISO 9002
REGISTERED
RCM-2004
RCM20 D/DR
RCM25 D/DR
RCM30 D/DR
RCM40 D/DR
RCM50 D/DR
RCM61 C/CR
RCM62C/CR
Models:
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Summary

1. SPECIAL FEATURES

Ultra Slim Design Profile

Unit has a slim, round profile and compact design, adding elegance.

Ceiling and Floor Convertible Installation

Unit is designed for ceiling or floor installation, saving space and cost.

Strong and Robust Construction

Built with strong casing material and robust parts for reliable service.

Friendly Serviceability

Air filter, electrical parts, fan accessible from bottom for inspection/replacement.

Microcomputer Remote Controller Features

Microprocessor offers accurate control with features like adjustable fan speed and timer.

Wireless Remote Controller

Compact wireless remote allows operation from anywhere in the room.

Vertical Airflow Control

Louver swings automatically for optimal air distribution; manual control available.

2. SPECIFICATIONS COOLING ONLY (R22)

HEAT PUMP (R22)

HEAT PUMP (R407 C)

COOLING ONLY (R407 C)

3. NOISE LEVEL

4. OPERATION RANGE

5. REFRIGERANT CIRCUIT

6. PERFORMANCE TABLE

7. OUTLINES AND DIMENSIONS

Indoor Unit Dimensions: RCM - D Series

Displays dimensions for RCM-D series indoor units (RCM 20D/DR to RCM 50D/DR).

Indoor Unit Dimensions: RCM 61 C;CR & RCM 62 C;CR

Displays dimensions for RCM 61C/CR and RCM 62C/CR indoor units.

Outdoor Unit Dimensions

Shows installation dimensions for ALC/A4LC series outdoor units.

Outdoor Unit Dimensions: ALC; A4 LC 61 C;CR

Displays dimensions for ALC/A4LC 61 C/CR outdoor units.

8. WIRING DIAGRAMS

Wiring Diagram: Cooling Only Indoor Units (RCM Series)

Wiring diagrams for RCM series indoor units in cooling only mode.

Wiring Diagram: Cooling Only Outdoor Units (ALC;A4 LC Series)

Wiring diagrams for ALC/A4LC series outdoor units in cooling only mode.

Wiring Diagram: Heat Pump Indoor Units (RCM Series)

Wiring diagrams for RCM series indoor units in heat pump mode.

Wiring Diagram: Heat Pump Outdoor Units (ALC;A4 LC Series)

Wiring diagrams for ALC/A4LC series outdoor units in heat pump mode.

9. SPECIAL PRECAUTIONS FOR R407 C

What is new refrigerant R407 C?

Explains R407C is a zeotropic mixture with zero ODP, requiring POE oil.

R407 C Components and Characteristic

Details R407C composition and its zeotropic nature affecting performance if leaked.

Precaution for R407 C Handling

Lists checks before installation/servicing, including tubing, oil, and tools.

R407 C Handling and Installation Guidelines

Emphasizes moisture/dirt control, clean brazing, leak checks, and vacuuming for R407C.

R407 C Charging Precautions

Advises liquid withdrawal from cylinders and avoiding top-up for leaks due to composition changes.

10. INSTALLATION

Preliminary Site Survey

Covers electrical supply, voltage fluctuations, and location convenience for wiring/piping.

Standard Mounting

Details positioning hanger rods, checking alignment, and leveling the unit.

Ceiling Exposed Type Installation

Step-by-step guide for installing indoor units in ceiling exposed configuration.

Semi-Enclosed Mounting

Instructions for recessing the unit into false ceilings, ensuring alignment.

Floor Standing Type Installation

Steps for installing indoor units as floor standing units.

Outdoor Unit Installation Requirements

Location requirements for outdoor units to ensure proper cooling capacity and ventilation.

Installation Clearance

Specifies minimum distances for air intake, discharge, and service space around outdoor units.

Refrigerant Piping Connection

Guidelines on pipe length, bends, sizes, and connection procedures for refrigerant piping.

Electrical Wiring Connections

Electrical connection rules, voltage ratings, power outlets, grounding, and wiring precautions.

Vacuuming and Charging Procedures

Procedures for vacuuming the system and charging with R22/R407C, including cautions for R407C.

Additional Refrigerant Charge

Information on additional refrigerant charge based on piping length and charging method.

Overall Checking After Installation

Final checks including mounting, leaks, wiring, drainage, and test run.

11. REMOTE CONTROL OPERATION GUIDE

G6 Remote Controller Functions

Explains functions of G6 remote controller like fan speed, mode, timer, sleep, swing.

SLM Remote Controller Functions

Details operation of SLM remote control for Cooling/Heatpump models.

AC-5300 Remote Controller Functions

Describes functions of AC-5300 optional remote controller.

G8 Remote Controller Functions

Explains functions of G8 remote controller, including clock and turbo functions.

12. SERVICE AND MAINTENANCE

Air Filter Maintenance

Procedures for cleaning the air filter, including warnings about chemicals.

Indoor Unit Cleaning

Instructions for cleaning the indoor unit grille and panel, avoiding harsh chemicals.

Condensate Drain Pan & Pipe Maintenance

Checking cleanliness and condensate water flow of the drain pan and pipe.

Indoor Fan and Coil Maintenance

Checking for abnormal noise and cleaning indoor/outdoor coils and removing obstacles.

Power Supply and Wiring Check

Checking running current/voltage and tightening electrical wiring.

Compressor and Fan Motor Oil

Notes on compressor oil (factory charged) and fan motor lubrication (sealed).

13. TROUBLESHOOTING

Troubleshooting Common Faults and Causes

Lists common faults like fan not working, insufficient airflow, bad odor, and their causes.

Diagnosis Flow Chart: No Cooling

Flow chart for diagnosing issues when the unit has no cooling.

Diagnosis Flow Chart: Insufficient Cooling

Diagnostic steps for insufficient cooling, covering pressure and airflow issues.

Diagnosis Flow Charts: Pressure and Noise Issues

Troubleshooting guides for high/low suction pressure and noisy operation.

Diagnosis Charts: Heat Pump Pressure & Electrical Issues

Uses pressure readings for heat pumps and flow charts for electrical circuit faults.

Diagnosis Flow Chart: Refrigerant Circuit;Application

Diagnoses issues related to refrigerant circuit and application for cooling/heating.

14. PARTS LIST

Summary

1. SPECIAL FEATURES

Ultra Slim Design Profile

Unit has a slim, round profile and compact design, adding elegance.

Ceiling and Floor Convertible Installation

Unit is designed for ceiling or floor installation, saving space and cost.

Strong and Robust Construction

Built with strong casing material and robust parts for reliable service.

Friendly Serviceability

Air filter, electrical parts, fan accessible from bottom for inspection/replacement.

Microcomputer Remote Controller Features

Microprocessor offers accurate control with features like adjustable fan speed and timer.

Wireless Remote Controller

Compact wireless remote allows operation from anywhere in the room.

Vertical Airflow Control

Louver swings automatically for optimal air distribution; manual control available.

2. SPECIFICATIONS COOLING ONLY (R22)

HEAT PUMP (R22)

HEAT PUMP (R407 C)

COOLING ONLY (R407 C)

3. NOISE LEVEL

4. OPERATION RANGE

5. REFRIGERANT CIRCUIT

6. PERFORMANCE TABLE

7. OUTLINES AND DIMENSIONS

Indoor Unit Dimensions: RCM - D Series

Displays dimensions for RCM-D series indoor units (RCM 20D/DR to RCM 50D/DR).

Indoor Unit Dimensions: RCM 61 C;CR & RCM 62 C;CR

Displays dimensions for RCM 61C/CR and RCM 62C/CR indoor units.

Outdoor Unit Dimensions

Shows installation dimensions for ALC/A4LC series outdoor units.

Outdoor Unit Dimensions: ALC; A4 LC 61 C;CR

Displays dimensions for ALC/A4LC 61 C/CR outdoor units.

8. WIRING DIAGRAMS

Wiring Diagram: Cooling Only Indoor Units (RCM Series)

Wiring diagrams for RCM series indoor units in cooling only mode.

Wiring Diagram: Cooling Only Outdoor Units (ALC;A4 LC Series)

Wiring diagrams for ALC/A4LC series outdoor units in cooling only mode.

Wiring Diagram: Heat Pump Indoor Units (RCM Series)

Wiring diagrams for RCM series indoor units in heat pump mode.

Wiring Diagram: Heat Pump Outdoor Units (ALC;A4 LC Series)

Wiring diagrams for ALC/A4LC series outdoor units in heat pump mode.

9. SPECIAL PRECAUTIONS FOR R407 C

What is new refrigerant R407 C?

Explains R407C is a zeotropic mixture with zero ODP, requiring POE oil.

R407 C Components and Characteristic

Details R407C composition and its zeotropic nature affecting performance if leaked.

Precaution for R407 C Handling

Lists checks before installation/servicing, including tubing, oil, and tools.

R407 C Handling and Installation Guidelines

Emphasizes moisture/dirt control, clean brazing, leak checks, and vacuuming for R407C.

R407 C Charging Precautions

Advises liquid withdrawal from cylinders and avoiding top-up for leaks due to composition changes.

10. INSTALLATION

Preliminary Site Survey

Covers electrical supply, voltage fluctuations, and location convenience for wiring/piping.

Standard Mounting

Details positioning hanger rods, checking alignment, and leveling the unit.

Ceiling Exposed Type Installation

Step-by-step guide for installing indoor units in ceiling exposed configuration.

Semi-Enclosed Mounting

Instructions for recessing the unit into false ceilings, ensuring alignment.

Floor Standing Type Installation

Steps for installing indoor units as floor standing units.

Outdoor Unit Installation Requirements

Location requirements for outdoor units to ensure proper cooling capacity and ventilation.

Installation Clearance

Specifies minimum distances for air intake, discharge, and service space around outdoor units.

Refrigerant Piping Connection

Guidelines on pipe length, bends, sizes, and connection procedures for refrigerant piping.

Electrical Wiring Connections

Electrical connection rules, voltage ratings, power outlets, grounding, and wiring precautions.

Vacuuming and Charging Procedures

Procedures for vacuuming the system and charging with R22/R407C, including cautions for R407C.

Additional Refrigerant Charge

Information on additional refrigerant charge based on piping length and charging method.

Overall Checking After Installation

Final checks including mounting, leaks, wiring, drainage, and test run.

11. REMOTE CONTROL OPERATION GUIDE

G6 Remote Controller Functions

Explains functions of G6 remote controller like fan speed, mode, timer, sleep, swing.

SLM Remote Controller Functions

Details operation of SLM remote control for Cooling/Heatpump models.

AC-5300 Remote Controller Functions

Describes functions of AC-5300 optional remote controller.

G8 Remote Controller Functions

Explains functions of G8 remote controller, including clock and turbo functions.

12. SERVICE AND MAINTENANCE

Air Filter Maintenance

Procedures for cleaning the air filter, including warnings about chemicals.

Indoor Unit Cleaning

Instructions for cleaning the indoor unit grille and panel, avoiding harsh chemicals.

Condensate Drain Pan & Pipe Maintenance

Checking cleanliness and condensate water flow of the drain pan and pipe.

Indoor Fan and Coil Maintenance

Checking for abnormal noise and cleaning indoor/outdoor coils and removing obstacles.

Power Supply and Wiring Check

Checking running current/voltage and tightening electrical wiring.

Compressor and Fan Motor Oil

Notes on compressor oil (factory charged) and fan motor lubrication (sealed).

13. TROUBLESHOOTING

Troubleshooting Common Faults and Causes

Lists common faults like fan not working, insufficient airflow, bad odor, and their causes.

Diagnosis Flow Chart: No Cooling

Flow chart for diagnosing issues when the unit has no cooling.

Diagnosis Flow Chart: Insufficient Cooling

Diagnostic steps for insufficient cooling, covering pressure and airflow issues.

Diagnosis Flow Charts: Pressure and Noise Issues

Troubleshooting guides for high/low suction pressure and noisy operation.

Diagnosis Charts: Heat Pump Pressure & Electrical Issues

Uses pressure readings for heat pumps and flow charts for electrical circuit faults.

Diagnosis Flow Chart: Refrigerant Circuit;Application

Diagnoses issues related to refrigerant circuit and application for cooling/heating.

14. PARTS LIST

Acson RCM 50 DR Specifications

General IconGeneral
BrandAcson
ModelRCM 50 DR
CategoryAir Conditioner
LanguageEnglish

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