Daikin RXYQ72 Serivce Manual

Also see for BSVQ36MVJU: Installation manual Serveice manual Service manual Design, Installation & Testing Instruction

Contents

Daikin RXYQ72 Serivce Manual Manual pdf 3 page image

SiUS39-601ii Table of Contents3.7 Pressure Equalization prior to Startup........................................................ 484. Protection Control .....................................................................................494.1 High Pressure Protection Control............................................................... 494.2 Low Pressure Protection Control................................................................ 504.3 Discharge Pipe Protection Control ............................................................. 514.4 Inverter Protection Control ......................................................................... 524.5 STD Compressor Overload Protection....................................................... 535. Other Control.............................................................................................545.1 Outdoor Unit Rotation................................................................................. 545.2 Emergency Operation ................................................................................ 555.3 Demand Operation ..................................................................................... 575.4 Heating Operation Prohibition .................................................................... 576. Outline of Control (Indoor Unit) .................................................................586.1 Drain Pump Control.................................................................................... 586.2 Thermostat Sensor in Remote Controller................................................... 606.3 Freeze Prevention ...................................................................................... 62Part 5 Test Operation .................................................................... 631. Test Operation ..........................................................................................641.1 Procedure and Outline ............................................................................... 641.2 Operation When Power is Turned On ........................................................ 672. Outdoor Unit PC Board Layout .................................................................683. Field Setting ..............................................................................................693.1 Field Setting from Remote Controller ......................................................... 693.2 Field Setting from Outdoor Unit.................................................................. 81Part 6 Troubleshooting ................................................................ 1051. Troubleshooting by Remote Controller ...................................................1081.1 The INSPECTION / TEST Button............................................................. 1081.2 Self-diagnosis by Wired Remote Controller ............................................. 1091.3 Self-diagnosis by Wireless Remote Controller ......................................... 1101.4 Operation of The Remote Controller’s Inspection /Test Operation Button .............................................................................. 1121.5 Remote Controller Service Mode ............................................................. 1131.6 Remote Controller Self-Diagnosis Function ............................................. 1152. Troubleshooting by Indication on the Remote Controller ........................1202.1 “A0” Indoor Unit: Error of External Protection Device ............................... 1202.2 “A1” Indoor Unit: PC Board Defect............................................................. 1212.3 “A3” Indoor Unit: Malfunction of Drain Level Control System (S1L) .......... 1222.4 “A6” Indoor Unit: Fan Motor (M1F) Lock, Overload................................... 1242.5 “A7” Indoor Unit: Malfunction of Swing Flap Motor (MA) ........................... 1252.6 “A9” Indoor Unit: Malfunction of Moving Part ofElectronic Expansion Valve (20E) ............................................................ 1272.7 “AF” Indoor Unit: Drain Level above Limit.................................................. 1292.8 “AJ” Indoor Unit: Malfunction of Capacity Determination Device .............. 1302.9 “C4” Indoor Unit: Malfunction of Thermistor (R2T) for Heat Exchanger .... 131