Daikin FFA25A2VEB Installation And Operation Manual

Contents

Daikin FFA25A2VEB Installation And Operation Manual Manual pdf 8 page image

5 InstallationInstallation and operation manual8FFA25~60A2VEBSplit system air conditioners4P456960-1 – 2017.03g gbdfa hi e e bf d cP1 P2 TRANSM.WIRINGF1 F2OFFFORCEDT1 T2RCa Control box coverb Inter-unit wiringc Earth cabled Terminal block for power supplye Clampf Terminal board for transmission wiringg Opening for cablesh Wiring diagram label (on the back of the control box lid)i Remote controller wiring2 Turn ON the power.3 Start cooling operation (see "7.4 To perform a test run" onpage 12).4 Gradually pour approximately 1 l of water through the airdischarge outlet, and check for leaks.≥100 mmedcbaa Plastic watering canb Service drain outlet (with rubber plug). Use this outlet todrain water from the drain pan.c Drain pump locationd Drain pipe connectione Drain pipe5 Turn OFF the power.6 Disconnect the electrical wiring.▪ Remove the control box cover.▪ Disconnect the power supply and earth.▪ Reattach the control box cover.When electrical wiring is finished already1 Start cooling operation (see "7.4 To perform a test run" onpage 12).2 Gradually pour approximately 1 l of water through the airdischarge outlet, and check for leaks (see When electricalwiring is not finished yet).5.2 Connecting the refrigerant pipingDANGER: RISK OF BURNING5.2.1 About connecting the refrigerant pipingBefore connecting the refrigerant pipingMake sure the outdoor and indoor unit are mounted.Typical workflowConnecting the refrigerant piping involves:▪ Connecting the refrigerant piping to the outdoor unit▪ Connecting the refrigerant piping to the indoor unit▪ Insulating the refrigerant piping▪ Keeping in mind the guidelines for:▪ Pipe bending▪ Flaring pipe ends▪ Brazing▪ Using the stop valves5.2.2 Precautions when connecting therefrigerant pipingINFORMATIONAlso read the precautions and requirements in thefollowing chapters:▪ General safety precautions▪ PreparationDANGER: RISK OF BURNING5.2.3 Guidelines when connecting therefrigerant pipingTake the following guidelines into account when connecting pipes:▪ Coat the flare inner surface with ether oil or ester oil whenconnecting a flare nut. Tighten 3 or 4 turns by hand, beforetightening firmly.▪ Always use 2 wrenches together when loosening a flare nut.▪ Always use a spanner and torque wrench together to tighten theflare nut when connecting the piping. This to prevent nut crackingand leaks.a bcda Torque wrenchb Spannerc Piping uniond Flare nut