Daikin VRV II RXYQ8MY1K Service Manual

Contents

Daikin VRV II RXYQ8MY1K Service Manual Manual pdf 5 page image

Si39-502Aiv Table of Contents3.46 “U8” Indoor Unit: Malfunction of Transmission BetweenMain and Sub Remote Controllers .......................................................2063.47 “U9” Indoor Unit: Malfunction of Transmission Between Indoor andOutdoor Units in the Same System ......................................................2073.48 “UA” Improper Combination of Indoor and Outdoor Units, Indoor Unitand Remote Controller .........................................................................2093.49 “UC” Address Duplication of Centralized Controller ...............................2103.50 “UE” Malfunction of Transmission Between CentralizedController and Indoor Unit ....................................................................2113.51 “UF” System is not Set yet .....................................................................2133.52 “UH” Malfunction of System, Refrigerant System AddressUndefined .............................................................................................2144. Troubleshooting (OP: Central Remote Controller) ..............................2154.1 “M1” PC Board Defect ............................................................................2154.2 “M8” Malfunction of Transmission Between OptionalControllers for Centralized Control .......................................................2164.3 “MA” Improper Combination of Optional Controllers forCentralized Control...............................................................................2174.4 “MC” Address Duplication, Improper Setting ..........................................2195. Troubleshooting (OP: Schedule Timer)...............................................2205.1 “UE” Malfunction of Transmission Between Centralized Controllerand Indoor Unit.....................................................................................2205.2 “M1” PC Board Defect ............................................................................2225.3 “M8” Malfunction of Transmission Between OptionalControllers for Centralized Control .......................................................2235.4 “MA” Improper Combination of Optional Controllers forCentralized Control...............................................................................2245.5 “MC” Address Duplication, Improper Setting ..........................................2266. Troubleshooting (OP: Unified ON/OFF Controller) .............................2276.1 Operation Lamp Blinks .........................................................................2276.2 Display “Under Centralized Control” Blinks (Repeats Single Blink) .....2296.3 Display “Under Centralized Control” Blinks (Repeats Double Blink) ....232Part 7 Appendix......................................................................... 2351. Piping Diagrams..................................................................................2361.1 Outdoor Unit .........................................................................................2361.2 Indoor Unit............................................................................................2372. Wiring Diagrams for Reference...........................................................2422.1 Outdoor Unit .........................................................................................2422.2 Field Wiring ..........................................................................................2432.3 Indoor Unit............................................................................................2463. List of Electrical and Functional Parts .................................................2633.1 Outdoor Unit .........................................................................................2633.2 Indoor Side ...........................................................................................2644. Option List ...........................................................................................2694.1 Option List of Controllers......................................................................2694.2 Option Lists (Outdoor Unit)...................................................................2715. Piping Installation Point.......................................................................2726. Selection of Pipe Size, Joints and Header ..........................................2757. Thermistor Resistance / Temperature Characteristics........................277