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Regarding the remote controller check, refer to the Reference Materials.

For information on the procedures for replacing the nonvolatile memory (EEPROM) of the indoor unit and/or replacing the

indoor unit’s control board, refer to the manual that is packaged with the indoor unit service board.

TERMINAL EEPROM EEPROMTERMINAL

TERMINAL EEPROM TERMINAL EEPROM

EEPROM TEST pin RC

OPTION CHK pin

TEST pin RC

OPTION CHK pin

EEPROM

Outdoor Unit Control PCB

A746894 : (U-60PE1R5, U-71PE1R5)

(for single-phase outdoor unit PCB)

A746844 : (U-100PE1R5)

(for single-phase outdoor unit PCB)

A746845 : (U-125PE1R5, U-140PE1R5)

(for single-phase outdoor unit PCB)

A746967 : (U-100PE1R8, U-125PE1R8, U-140PE1R8)

(for 3-phase outdoor unit PCB)

Indoor Unit Control PCB

A746802 : 4-way Cassette Type A746803 : Duct Type

Sec5.indd14Sec5.indd14 2012/03/0920:43:322012/03/0920:43:32

Technical Data1
Service Manual1
Please Read before Starting2
When Wiring2
When Installing2
When Connecting Refrigerant Tubing2
When Servicing3
Others3
- Check of Density Limit4
- Table of Contents5
- Specifications5
- Single-Type6
Unit Specifications6
- 4-Way Cassette Type S-60PU1R5/U-60PE1R56
- 4-Way Cassette Type S-71PU1R5/U-71PE1R57
- 4-Way Cassette Type S-100PU1R5/U-100PE1R58
- 4-Way Cassette Type S-125PU1R5/U-125PE1R59
- 4-Way Cassette Type S-140PU1R5/U-140PE1R510
- Ducted Type S-60PE1R5/U-60PE1R511
- Ducted Type S-71PE1R5/U-71PE1R512
- Ducted Type S-100PE1R5/U-100PE1R513
- Ducted Type S-125PE1R5/U-125PE1R514
- Ducted Type S-140PE1R5/U-140PE1R515
- Single Split Type S-100PU1R5/U-100PE1R816
- Single Split Type S-125PU1R5/U-125PE1R817
- Single Split Type S-140PU1R5/U-140PE1R818
- Indoor Units: S-60PU1R5/71PU1R519
Dimensional Data19
- Indoor Units: S-100PU1R5/125PU1R5/140PU1R520
- Indoor Units: Ducted Type S-60PE1R5/S-71PE1R5/S-100PE1R5/S-125PE1R5/S-140PE1R521
- Outdoor Units: U-60PE1R5/U-71PE1R522
- Outdoor Units: U-100PE1R5/U-125PE1R5/U-140PE1R5; U-100PE1R8/U-125PE1R8/U-140PE1R823
Refrigerant Flow Diagram24
- (A) Indoor Units24
- (B) Outdoor Units24
Operating Range25
- Heating Capacity Ratio (Maximum Capacity)26
- U-60PE1R5 (for 50 Hz)26
- Cooling Capacity Ratio (Maximum Capacity)26
Capacity Correction Graph According to Temperature Condition26
- U-71PE1R5 (for 50 Hz)27
- U-100PE1R5 (for 50 Hz)28
- U-125PE1R5 (for 50 Hz)29
- U-140PE1R5 (for 50 Hz)30
- Indoor Units31
- 4 Way Cassette Type31
Noise Criterion Curves31
Outdoor Units33
Indoor Fan Performance36
4-Way Cassette Type37
Airflow Distance Chart37
- Intaking Fresh Air of 4 Way Cassette Type39
- Precautions Regarding External Air Intake39
- Flexible Cylindrical Duct39
- With the External Air Intake Flange Attached40
- External Air Intake Volume and Resistance and Operation Noise Characteristics Within the Unit40
- When an External Air Intake Flange (100) Is in Use40
- Electrical Wiring41
- General Precautions on Wiring41
- Recommended Wire Length and Wire Diameter for Power Supply System41
- Wiring System Diagrams42
- How to Connect Wiring to the Terminal43
- For Stranded Wiring43
- Examples of Shield Wires43
- Wiring Samples43
- Installation Instructions44
- Tubing Length44
- Single Type44
- Check of Limit Density45
- Minimum Indoor Volume & Fl Oor Area Relative to the Amount of Refrigerant Are Roughly as Given in the Following Table45
- Selecting the Location for Installation Service46
- Selecting the Installation Site46
- Select the Outdoor Unit Installation Location46
- Accessories Supplied with Outdoor Unit46
- How to Install the Outdoor Unit48
- Transporting48
- Installation48
- Refrigerant Installation49
- Precautions During Refrigerant Installation49
- The Local Pipes Can Protrude from any Four Directions49
- Precautions When Operating the 3-Way Valve for Piping Installation50
- Precautions for Handling the Valve Cap50
- Precautions for Handling the Service Ports50
- Precautions for Insulation Installation50
- Precautions for Flare Nut Installation51
- Vacuum Purging51
- Regarding Refrigerant Filling51
- Charging with Refrigerant51
Electrical Wiring52
- Check before Test Run54
- Precautions Regarding Test Run54
- Test Run Procedure54
- Checks after Installation Have Completed55
- Regarding Delivery to the Customer55
- 4-Way Cassette Type (U1 Type)56
- Electing the Installation Site (U1 Type)56
- How to Install the Indoor Unit56
- Indoor Unit56
- Placing the Unit Inside the Ceiling57
- Before Performing the Installation Drain Piping58
- Ceiling Surface58
- Installing the Drain Pipe58
- Checking the Drainage60
- How to Install the Ceiling Panel61
- Accessories61
- Preparation for Ceiling Panel Installation61
- Installing the Ceiling Panel62
- Table for DC Fan Motor Tap Setting64
- Stop the System before Performing These Steps64
- Selecting the Installation Site (E1 Type)65
- Selecting the Location for the Indoor Unit66
- Installation of Indoor Unit66
- Position of Suspension Bolt66
- Suspending the Indoor Unit67
- Connecting Duct to Indoor Unit68
- Connection for Demand and Forced Stop69
- Connection Procedure69
- When Connection to the Forced Stop Input70
- When Connecting the Demand Controller Input70
- When Connecting to the Next System Unit71
- Wiring Procedure72
- Cz-Fdu273
- Filter Chamber for Indoor Unit73
- Optional Parts73
Installation Instructions73
- Air Intake Kit for Chamber74
- Cz-Atu274
- Air Intake Kit for Unit75
- Cz-Bcu275
- Air Cut Insulation76
- Applicable Model & Use76
- Cz-Cfu276
- List of Parts76
- Test Run79
- Electrical Data82
- 4-Way Cassette Type S-60PU1R5/S-71PU1R5/S-100PU1R5/S-125PU1R5/S-140PU1R583
- Indoor Units (Electric Wiring Diagram)83
  - Ducted Type S-60PE1R5/S-71PE1R5/S-100PE1R5/S-125PE1R584
  - Ducted Type S-140PE1R585
  - Electric Wiring Diagram U-60PE1R5/U-71PE1R586
- Outdoor Units (Electric Wiring Diagram)86
  - Electric Wiring Diagram U-100PE1R5/U-125PE1R5/U-140PE1R587
  - Electric Wiring Diagram U-100PE1R8/U-125PE1R8/U-140PE1R888
  - Control Functions90
  - Cooling Temperature Correction91
  - Heating Temperature Correction91
- Room Temperature Control91
- Heating Standby93
- Automatic Fan Speed Control94
- Drain Pump Control95
- Automatic Heating/Cooling Control96
- When Setting Temperature in Remote Controller Is 20 C in the Cooling Mode96
- Automatic Flap Control97
- Filter Sign97
- Fan Control During Dry Mode98
- T10 Terminal98
- Ventilation Fan Output98
- Parameter99
- Cr-Pcb A746894 (U-60Pe1R5, U-71Pe1R5)100
- Outdoor Units Control PCB (CR-PCB, HIC-PCB)100
  - Single-Phase Unit100
  - Cr-Pcb A746844 (U-100Pe1R5)101
  - Cr-Pcb A746845 (U-125Pe1R5, U-140Pe1R5)102
  - Hic-Pcb A746895 (U-60Pe1R5, U-71Pe1R5)103
  - Hic-Pcb A746846 (U-100Pe1R5)104
  - Hic-Pcb A746847 (U-125Pe1R5, U-140Pe1R5)105
  - 3-Phase Unit106
  - Cr-Pcb A746967 (U-100Pe1R8, U-125Pe1R8, U-140Pe1R8)106
  - Hic-Pcb A746969 (U-100Pe1R8, U-125Pe1R8, U-140Pe1R8)107
- Functions of Outdoor Unit PCB108
- Setting the System Address (S002: Rotary Switch (Yellow), S003: 2P DIP (Black))110
- Self-Diagnostics Function Table111
  - Trouble Diagnosis114
  - Contents of Alarm Display on Remote Controller (Only Outdoor Unit)115
- Contents of Remote Controller Switch Alarm Display115
- Contents of LED Display on Outdoor Unit Control PCB117
- Outdoor Unit Control Panel LED Display117
- Alarms for Outdoor Units118
- PAC-I System Alarm Codes118
  - Symptoms and Parts to Inspect119
  - Check Prior to Auto Address Setting120
  - E01 Remote Controller Reception Error121
  - Error Detection Method121
  - Error Diagnosis121
  - A746802122
  - A746803122
  - E02 Remote Controller Transmission Error123
  - E03 Error in Indoor Unit Receiving Signal from Remote Controller (Central)124
  - E04 Error in Indoor Unit Receiving Signal from the Outdoor Unit126
  - Indoor Unit Control PCB127
  - Outdoor Unit Control127
  - E05 Error in Indoor Unit Transmitting Signal to the Outdoor Unit128
- Setting no128
  - E06 Outdoor Unit Failed to Receive Serial Communication Signals from Indoor Unit129
  - E07 Outdoor Unit Sending Failure to Indoor Unit130
  - E08 Duplicate Indoor Unit Address Settings Error131
  - E09 more than One Remote Controller Set to Main Error132
  - Wireless Remote Controller132
  - E12 Automatic Address Setting Start Is Prohibited While Auto-Address Setting in Progress133
  - E13 Error in Indoor Unit Transmitting Signal to Remote Controller133
  - E14 Main Unit Duplication in Simultaneous-Operation Multi Control (Detected Outdoor Unit)134
  - E15 Automatic Address Alarm (Capacity too Low)135
  - E16 Automatic Address Alarm (Capacity too High)136
  - E18 Faulty Communication in Group Control Wiring137
  - E20 no Indoor Units Connected138
  - F04 Compressor Discharge Temperature Sensor (TD) Trouble139
  - F06 Inlet Temperature Sensor (C1) in Heat Exchanger Trouble140
  - F07 Intermediate Temperature (C2) in Heat Exchanger Trouble141
  - F08 Outdoor Air Temperature Sensor (TO) Trouble142
  - F12 Compressor Inlet Suction Temperature Sensor (TS) Trouble143
  - F31 Outdoor Unit Nonvolatile Memory (EEPROM) Trouble144
  - H01 Primary (Input) Overcurrent Detected145
  - H02 PAM Trouble (Single-Phase Only)146
  - H03 Primary Current CT Sensor (Current Sensor) Failure147
  - H05 Sensor Failure, Compressor Discharge Temperature Sensor (TD) Disconnected148
  - H31 HIC Trouble149
  - HIC Board IPM Pass/Fail Tests149
  - Outdoor Unit Control HIC PCB151
  - Outdoor Unit Control PCB151
  - L04 Outdoor Unit Address Duplication152
  - L10 Outdoor Unit Capacity Not Set153
  - L13 Indoor Unit Type Setting Error154
  - L18 4-Way Valve Operation Failure155
  - P03 Compressor Discharge Temperature Trouble156
  - P04 High Pressure Trouble157
  - P05 AC Power Supply Trouble159
  - P13 Alarm Valve Open160
  - P14 O2 Sensor Detect161
  - Check of Content163
  - Meaning of Alarm163
  - P16 Compressor Overcurrent Trouble163
  - P22 Outdoor Unit Fan Motor Trouble167
  - P29 Lack of INV Compressor Wiring, INV Compressor Actuation Failure (Including Locked) Due to DCCT Failure168
  - P31 Group Control Error169
  - Electronic Control Valve (MOV1)171
- Inspection of Parts (Outdoor Unit)171
- How to Detect Abnormality172
- Symptom: Thermostat in off Continues or Cycles off & on too Frequently172
- Outdoor Unit Maintenance Remote Control174
- Functions175
- Overview175
  - System Diagram175
  - What Is the Outdoor Unit Maintenance Remote Controller?175
  - All Units Start/Stop176
  - All Units Test Run176
- Normal Display Operations and Functions176
  - Switching between Cooling/Heating176
  - Display (Functions)177
  - 2: 7-Segment, 4-Digit Display for Remote Controller Timer Display178
  - 3: the Total Compressor Operating Time Is Displayed178
- Monitoring Operations: Display of Indoor Unit and Outdoor Unit Sensor Temperatures179
- Monitoring the Outdoor Unit Alarm History: Display of Outdoor Unit Alarm History180
- Settings Modes: Setting the Outdoor Unit EEPROM180
  - List of Item Codes181
  - Remote Controller Functions Section184
- Controller Display185
- If Group Control Is in Effect, Press the185
- Press and Hold the and Buttons185
- Press the Button185
- Press the Button to Return to Normal Remote185
- Press the Timer Time / Buttons to Select the Desired Setting Data185
- Simple Settings Function185
- Simultaneously for 4 Seconds or Longer185
- List of Simple Setting Items186
- Detailed Settings Function187
- List of Detailed Setting Items188
- Filter Sign on Times for each Model192
- Simple Setting Items192
- Detaild Setting Items194
  - DC Fan Tap Change Procedure197
  - List of Servicing Functions198
- Remote Controller Servicing Functions198
- Test Run Function198
  - Sensor Temperature Display Function (Displayed Regardless of Whether Unit Is Operating or Stopped)199
  - How to Install the Wireless Remote Controller Receiver200
- Warning about Installation of Receivers201
- Warning about Installing Remote Controls201
- Names and Functions202
- Optional Controller (Remote Controller)202
  - Remote Controller202
  - Wireless Remote Controller CZ-RWSU2/CZ-RWST2 /CZ-RWSL2/CZ-RWSC2/CZ-RWSY2/CZ-RWSK2202
  - Receiver203
  - How to Remove Batteries204
- Installing Batteries204
- Setting the Current Time204
  - Auto Operation205
  - Dry Operation205
  - Checking the Timer Setting206
- Timer Operation206
  - Using the same Timer Setting Every Day206
  - Using the Timer206
- Adjusting the Wind Direction207
- CZ-RWSU2/CZ-RWST2/CZ-RWSL2/CZ-Rwsy2/Indoor Unit (K1 Type)207
- Operating Multiple In/Outdoor Units Simultaneously (Group Control)207
- Checking Addresses208
- For Best Results208
- Using the Remote Control208
  - Matching up Addresses209
  - Setting Addresses (CZ-RWSY2/K1 Type)209
  - Cz-Rwsc2/Cz-Rwsl2210
  - CZ-RWSU2/CZ-RWST2/CZ-Rwsy2/Indoor Unit (K1 Type)210
- Emergency Operation210
- How to Operate211
- Miscellaneous Settings211
- Before Requesting Service212
- Common to All Models213
- How to Install the Wireless Remote Controller Receiver213
  - Things to Remember When Wired and Wireless Remotes Are Installed at the same Time213
  - Warnings about Installation of Receivers213
  - Warnings about Installing Remote Controls213
- Cz-Rwsc2214
- Cz-Rwsl2214
- Cz-Rwst2214
- Cz-Rwsu2214
  - Cz-Rwsu2215
  - Installing the Receiver215
  - Implementing a Test Run216
  - Setting Address Switches216
  - Test Operation216
  - Wiring the Receiver216
  - Ceiling Suspended Model217
  - Cz-Rwst2217
  - Unidirectional Cassette Model for High Ceilings/Unidirectional Ceiling Cassette Model218
  - Cz-Rwsl2220
  - Installing the Display/Operation Panel220
  - Resin Panel220
  - Installing the Display221
  - Installing the Operation Panel221
  - Metal Panel221
  - Wiring Diagram221
  - Cz-Rwsc2223
  - If to be Used as an Embedded Model225
  - If It Is to be Used as an Exposed Model226
- Cz-Rwsy2227
- Installing the Receiver Unit227
- The Self-Diagnosis Function Display and What Is Detected229
- When Using CZ-RWSC2229
- Room Temperature Sensor Settings229
- Setting up Remote Control Functions230
- Making Settings (Do with Unit Stopped)230
- Operation Mode Setting Screen230

Brand	Panasonic
Model	R410A
Category	Air Conditioner
Language	English

Panasonic R410A User Manual

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