Panasonic Urban Multi MX1R Series Service Manual page 246

PACD011001C2
1. Function ..............................................................................................226
Function Urban Multi "MX1R, ME1R Series" Using R-407C
1.1 Outdoor Unit Refrigerant System Diagram...........................................226
1.2 List of Safety Devices and Functional Parts Setting Values.................234
1.3 Flow of Refrigerant in Each Operation Mode (ME1R Series)...............236
1.4 Outline of Control (ME1R Series).........................................................241
1.5 Safety for Restart .................................................................................243
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
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