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INSTALLATION
MANUAL
CEILING CONCEALED
R410A SPLIT TYPE AIR CONDITIONER
(C Series)
MODELS
FDMRN25CXV1
FDMRN35CXV1
FDMRN50CXV1
FDMRN60CXV1
FDMRN71CXV1
FDMRN100CXV1
FDMRN125CXV1
FDMRN140CXV1
FDMQN25CXV1
FDMQN35CXV1
FDMQN50CXV1
FDMQN60CXV1
FDMQN71CXV1
FDMQN100CXV1
FDMQN125CXV1
FDMQN140CXV1
CVR IM-5CCC-0912(0)-DAIKIN-EN.in1 1
CVR IM-5CCC-0912(0)-DAIKIN-EN.in1 1
RN25C(G)XV1
RYN25C(G)XV1
RN35C(G)XV1
RYN35C(G)XV1
RN50C(G)XV1
RYN50C(G)XV1
RN50C(G)XY1
RYN50C(G)XY1
RN60C(G)XV1
RYN60C(G)XV1
RN60C(G)XY1
RYN60C(G)XY1
RR71C(G)XV1
RQ71C(G)XV1
RR71C(G)XY1
RQ71C(G)XY1
RR90D(G)XV1
RQ90D(G)XV1
RR90D(G)XY1
RQ90D(G)XY1
RR100D(G)XV1 RQ100D(G)XV1
RR100D(G)XY1 RQ100D(G)XY1
RR125D(G)XY1 RQ125D(G)XY1
RR140D(G)XY1 RQ140D(G)XY1
Installation Manual
R410A Split Type Air Conditioner
Manuel D'installation
Climatiseurs Split System R410A
Installationshandbuch
Doppelfunktions-Klimagerät
and R410A
Manuale Di Installazione
Condizionatore Split A R410A
Manual De Instalación
Equipo de air Acondicionado de
tipo Dividido de R410A
Руководство по установке
R410A разделить Кондиционер
воздуха типа
Kurulum kılavuzu
R410A Split Tipi Klima
IM-5CCC-0912(0)-DAIKIN
Part No.: R08019038167
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10/9/12 4:11:39 PM
10/9/12 4:11:39 PM

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Table of Contents
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Summarization of Contents

Unit Dimensions and Outline
Indoor Unit Outline and Dimensions
Provides dimensions for FDMRN/FDMQN indoor units across various models.
Refrigerant Information and Handling
R410A Refrigerant Handling and Labeling
Explains R410A properties and required label filling procedures.
Indoor Unit Installation Procedures
Ceiling Concealed Unit Mounting
Guidance on mounting concealed indoor units using supplied hangers.
Concealed Unit Drain Piping Installation
Instructions for proper drain piping installation for concealed indoor units.
Installation Clearance Requirements
Outdoor Unit Condensate Disposal
Procedures for handling condensed water from outdoor units, especially in cold climates.
Refrigerant Piping Installation
Refrigerant Piping Length and Elevation Limits
Specifies maximum pipe lengths and elevation differences for optimal performance.
Refrigerant Piping Works and Flaring
Refrigerant Piping Connection
Details the methods and torque specifications for connecting refrigerant pipes.
Electrical Connection and Wiring
Single-Phase Electrical Wiring Diagrams
Wiring diagrams and specifications for single-phase power supply connections.
System Vacuuming and Refrigerant Charging
System Vacuuming Process
Steps for evacuating the system to remove moisture and air.
Refrigerant Charging Process
Guide for charging the unit with the correct amount of refrigerant.
Additional Refrigerant Charge Calculation
Refrigerant Charge Calculation by Piping Length
Tables and examples for calculating additional refrigerant based on pipe length.
R410A Refrigerant Specific Precautions
Specific safety measures and tool requirements for handling R410A refrigerant.
Scroll Compressor Charging Precautions
Single-Phase Scroll Compressor Charging
Procedures and cautions for charging single-phase scroll compressors.
Faults, Indicators, and Operating Range
Indicator Lights and Fault Code Diagnosis
Explains error codes displayed on the wired controller for fault diagnosis.
Cooling and Heating Operating Range
Defines the cooling and heating operating temperature and humidity ranges.
Final Checks and Phase Protection
Post-Installation Test Run Procedure
Steps for conducting a final test run after installation and charging.
Phase Protector Functionality and Indicators
Details the phase protector's role, LED indicators, and fault actions.
Service, Maintenance, and Troubleshooting
Air Filter and Indoor Unit Cleaning
Procedures for cleaning the air filter and the indoor unit.
Troubleshooting Common Faults
Lists common faults, their causes, and recommended actions.

Table of Contents