Daikin VRV III REYQ8PY1B Service Manual

Also see for VRV III REYQ10PY1B: Installation manual Operation manual

Contents

Daikin VRV III REYQ8PY1B Service Manual Manual pdf 3 page image

SiBE37-701ii Table of Contents2.3 Electronic Expansion Valve PI Control.................................................1142.4 Step Control of Outdoor Unit Fans .......................................................1142.5 Outdoor Unit Fan Control in Cooling Operation ...................................1152.6 Heat Exchanger Control .......................................................................1163. Special Control....................................................................................1173.1 Startup Control .....................................................................................1173.2 Large Capacity Start Up Control (Heating)...........................................1193.3 Oil Return Operation ............................................................................1203.4 Defrost Operation .................................................................................1243.5 Pump-down Residual Operation ..........................................................1263.6 Standby ................................................................................................1283.7 Stopping Operation ..............................................................................1294. Protection Control ...............................................................................1304.1 High Pressure Protection Control.........................................................1304.2 Low Pressure Protection Control..........................................................1324.3 Discharge Pipe Protection Control .......................................................1344.4 Inverter Protection Control ...................................................................1354.5 STD Compressor Overload Protection.................................................1375. Other Control.......................................................................................1385.1 Backup Operation.................................................................................1385.2 Demand Operation ...............................................................................1385.3 Heating Operation Prohibition ..............................................................1386. Outline of Control (Indoor Unit) ...........................................................1396.1 Operation Flow Chart ...........................................................................1396.2 Thermostat Control...............................................................................1416.3 Drain Pump Control..............................................................................1456.4 Control of Electronic Expansion Valve .................................................1476.5 Freeze Prevention ................................................................................1486.6 Heater Control (Optional PC Board KRP1B...is required.) ...................1496.7 List of Swing Flap Operations ..............................................................1506.8 Hot Start Control (In Heating Operation Only)......................................1516.9 Louver Control for Preventing Ceiling Dirt............................................152Part 5 Test Operation ............................................................... 1531. Test Operation ....................................................................................1541.1 Installation Process ..............................................................................1541.2 Procedure and Outline .........................................................................1551.3 Operation when Power is Turned On ...................................................1872. Outdoor Unit PC Board Layout ...........................................................1883. Field Setting ........................................................................................1893.1 Field Setting from Remote Controller ...................................................1893.2 Field Setting from Outdoor Unit............................................................202Part 6 Troubleshooting ............................................................. 2311. Symptom-based Troubleshooting .......................................................2342. Troubleshooting by Remote Controller ...............................................2372.1 The INSPECTION / TEST Button.........................................................2372.2 Self-diagnosis by Wired Remote Controller .........................................2382.3 Self-diagnosis by Wireless Remote Controller .....................................2392.4 Inspection Mode ...................................................................................242