Panasonic Urban Multi MX1R Series Service Manual page 6

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1. Test Operation ....................................................................................274
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1. Operation Flowcharts ..........................................................................325
2. Troubleshooting by Remote Controller ...............................................334
Table of Contents
1.6 Equalized Oil Level Operation
(Equalized Oil Level between Twin Compressors)...............................245
1.7 Oil Return Operation ............................................................................246
1.8 Defrost..................................................................................................248
1.9 Pressure Equalization Control (ME1R Series) .....................................251
1.10 Frequency Limit Control by Pressure Equalization (ME1R Series)......252
1.11 HR Changeover Control (ME1R Series) ..............................................253
1.12 Pump Down Residual Operation ..........................................................254
1.13 Step Down / Safety Control → Standby (Forced Thermostat OFF)
→ Stop Due to Malfunction ..................................................................255
1.14 Control During Low Outdoor Air Temperature Cooling ........................258
1.15 Low Noise Control ................................................................................260
1.16 Demand Control ...................................................................................261
1.17 Compressor Capacity Control ..............................................................262
1.18 Te / Tc Setting ......................................................................................263
1.19 Gas Depletion Alarm ............................................................................264
1.20 Drain Pump Control..............................................................................265
1.21 Oil Temperature Sensor (8 and 10 Hp only) ........................................267
1.22 Louver Control for Preventing Ceiling Dirt............................................268
1.23 Thermostat Sensor in Remote Controller.............................................269
1.24 Freeze Prevention ................................................................................271
1.1 Procedure and Outline .........................................................................274
1.2 When Power is Turned On ...................................................................276
1.3 Outdoor Unit PC Board Ass'y...............................................................277
1.4 Setting Modes (MX1R Series)..............................................................281
1.5 Setting Modes (ME1R Series)..............................................................288
1.6 Sequential Start....................................................................................294
1.7 BMS Interface Adaptor for Outdoor Unit (MX1R Series)......................295
1.8 BMS Interface Adaptor for Outdoor Unit (ME1R Series)......................298
1.9 Cool / Heat Mode Selection (MX1R Series) .........................................302
1.10 Cool / Heat Mode Switching (ME1R Series) ........................................309
1.11 Low Noise / Demand Operation (MX1R Series)...................................311
1.12 Low Noise Operation (ME1R Series) ...................................................313
1.13 Demand Control (ME1R Series)...........................................................314
1.14 Wiring Check Operation .......................................................................315
1.15 Indoor Field Setting ..............................................................................316
1.16 Centralised Control Group No. Setting.................................................318
1.17 Setting of Master Remote Controller ....................................................320
1.1 Indoor Unit Operation Flowchart ..........................................................325
1.2 Outdoor Unit Operation Flowchart........................................................330
2.1 The INSPECTION / TEST Button.........................................................334
2.2 Self-diagnosis by Wired Remote Controller .........................................335
2.3 Self-diagnosis by Wireless Remote Controller .....................................336
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