Daikin FTXN12KEVJU Installation Manual

Page 1 - Product Identification and Support Information

Identification details for the R410A Split Series Inverter models FTXN09KEVJU and FTXN12KEVJU, along with support resources and registration information.

Page 2 - Safety Precautions for Installation

Safety precautions categorized by DANGER, WARNING, and CAUTION levels concerning refrigerant leaks, grounding, electrical risks, safe installation procedures, and refrigerant handling.

Page 3 - Installation Safety and Accessory Guidelines

Safety warnings regarding refrigerant handling and electrical safety, cautions about gas leaks and improper installation, a list of included accessories, and guidelines for selecting indoor unit installation sites.

Page 4 - Remote Controller Configuration

Instructions for configuring the wireless remote controller, detailing DIP switch settings for cooling-only mode (RKN) and heat pump mode (RXN), accompanied by diagrams.

Page 5 - Pre-installation Preparation

Instructions for preparing the unit before installation, including removing front panels, handling space constraints near the ceiling, and setting addresses for multiple indoor units using address jumpers.

Page 6 - Indoor Unit Mounting and Assembly

Drawings and instructions for mounting and assembling the indoor unit, covering wall attachment, air filter installation, remote controller holder securing, and service lid handling.

Page 7 - Mounting Plate Installation

Steps for installing the indoor unit mounting plate, including temporary and permanent wall attachment, recommended retention spots, dimensions, and locations for pipe ends and drain hose.

Page 8 - Wall-Mounted Unit Installation

Step-by-step instructions for installing a wall-mounted air conditioning unit, covering boring wall holes, installing embedded pipes, specific piping configurations (right-side, right-back, or right-bottom), and installation precautions.

Page 9 - Drainage Piping Installation

Procedure for installing the drain plug and hose for left-side, left-back, or left-bottom piping configurations, including steps for attaching the drain hose, setting the drain plug, securing the unit, and wall-embedded piping installation.

Page 10 - Electrical Wiring and Remote Controller Connection

Procedures for electrical wiring of indoor and outdoor units, matching wire colors to terminals, connecting components, removing parts for wired remote controller connection, and warnings against unsafe electrical methods.

Page 11 - Indoor Unit Accessory Installation

Instructions for installing the indoor unit accessories, securing the electrical component box, attaching the front grille, and service lid, including labeled diagrams for routing cords and securing parts with screws.

Page 12 - Drain and Refrigerant Piping Work

Instructions for installing drain piping and performing refrigerant piping work, including connecting hoses, extending piping, flaring pipe ends, and warnings against mineral oil contamination to prevent system damage.

Page 13 - Refrigerant Piping Safety and Insulation

Safety cautions for flare nut installation, torque specifications, pipe handling precautions, and requirements for selecting and installing thermal insulation for gas and liquid refrigerant pipes.

Page 14 - System Trial Operation and Testing

Steps for trial operation and testing of the heat pump or air conditioner system, including setting temperature modes, initiating trial operation via remote controller, and a table to verify proper installation and function.

Page 15 - Company Contact and Certification Information

Contact details for Daikin AC (Americas), Inc. and Daikin Industries, Ltd., along with certification marks, QR code, and manufacturing codes.