Daikin VRV R-407C PLUS Series Service Manual page 5

7. Troubleshooting (OP: Schedule Timer)...............................................171
8. Troubleshooting (OP: Unified ON/OFF Controller) .............................175
Part 6 Special Service Mode R-407C PLUS Series...................179
1. Backup and Emergency Operation............................................................... 180
2. Pump Down Operation ................................................................................. 182
Part 7 Appendix R-407C PLUS Series .......................................183
1. Piping Diagram....................................................................................184
2. Wiring Diagram ...................................................................................187
3. Characteristics .............................................................................................. 201
4. Precautions in Servicing The Models with New-type Refrigerant ................. 207
Index .............................................................................................i
Drawings & Flow Charts ................................................................ v
iv
7.1 Malfunction of Transmission
Between Central Remote Controller and Indoor Unit .......................... 171
7.2 PC Board Defect.................................................................................. 172
7.3 Malfunction of Transmission
Between Optional Controllers for Centralized Control......................... 172
7.4 Improper Combination of Optional Controllers
for Centralized Control......................................................................... 173
7.5 Address Duplication, Improper Setting ................................................ 174
8.1 Operation Lamp Blinks ........................................................................ 175
8.2 Display "Under Host Computer Integrate Control" Blinks
(Repeats Single Blink) ......................................................................... 176
8.3 Display "Under Host Computer Integrate Control" Blinks
(Repeats Double Blink)........................................................................ 178
1.1 Backup and Emergency Operation...................................................... 180
2.1 Pump Down Operation ........................................................................ 182
1.1 Outdoor Unit ........................................................................................ 184
1.2 Indoor Unit ........................................................................................... 186
2.1 Outdoor Unit ........................................................................................ 187
2.2 Indoor Unit ........................................................................................... 189
3.1 R-407C Characteristics ....................................................................... 201
3.2 Thermistor Resistance / Temperature Characteristics ........................ 202
3.3 Pressure Sensor.................................................................................. 204
3.4 Method of Replacing The Inverter's Power Transistors
and Diode Modules.............................................................................. 205
4.1 Tools Required .................................................................................... 207
4.2 Notes for Work Procedures ................................................................. 208
SiE 00-07
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