Mitsubishi Electric PUHY-P200 Manuals

8

Chapter 1 Check before Servicing

• 2

  Safety Precautions
• 8

  Table of Contents
• 12

  Preparation for Piping Work
• 12

  Read before Servicing
• 13

  Tool Preparation
  • 14

    Handling and Characteristics of Piping Materials, Refrigerant, and Refrigerant Oil
• 14

  Piping Materials
• 16

  Pipe Processing
• 16

  Storage of Piping Materials
• 17

  Characteristics of the New and Conventional Refrigerants
• 18

  Refrigerant Oil
  • 19

    Working with Refrigerant Piping
• 19

  Pipe Brazing
• 20

  Air Tightness Test
• 21

  Vacuum Drying
• 22

  Refrigerant Charging
  • 23

    Precautions for Wiring
  • 25

    Cautionary Notes On Installation Environment and Maintenance

26

Chapter 2 Restrictions

• 28

  System Configurations
• 29

  Types and Maximum Allowable Length of Cables
• 30

  Switch Settings
• 31

  Address Settings List
• 31

  M-NET Address Settings
• 32

  Outdoor Unit Centralized Controller Switch Setting
• 32

  Outdoor Unit Power Jumper Connector Connection
• 32

  Room Temperature Detection Position Selection
• 33

  Miscellaneous Settings
• 33

  Start/Stop Control of Indoor Units
• 34

  Various Control Methods Using the Signal Input/Output Connector On Outdoor Unit
• 37

  Demand Control Overview
• 39

  System Connection Example
• 41

  Example System with an MA Remote Controller
• 41

  Single Refrigerant System (Automatic Indoor/Outdoor Address Startup)
• 43

  Single Refrigerant System with Two or More LOSSNAY Units
• 45

  Grouped Operation of Units in Separate Refrigerant Circuits
• 47

  System with a Connection of System Controller to Centralized Control Transmission Line
• 49

  System with a Connection of System Controller to Indoor-Outdoor Transmission Line
• 51

  Example System with an ME Remote Controller
• 51

  System with a Connection of System Controller to Centralized Control Transmission Line
• 53

  Example System with an MA and an ME Remote Controller
• 53

  System with a Connection of System Controller to Centralized Control Transmission Line
• 55

  2-10 Restrictions On Refrigerant Pipes
• 55

  Restrictions On Refrigerant Pipe Length
• 58

  Restrictions On Refrigerant Pipe Size

60

Chapter 3 Major Components, Their Functions and Refrigerant Circuits

• 62

  External Appearance and Refrigerant Circuit Components of Outdoor Unit
• 62

  External Appearance of Outdoor Unit
• 65

  Outdoor Unit Refrigerant Circuits
• 68

  Outdoor Unit Refrigerant Circuit Diagrams
• 70

  Functions of the Major Components of Outdoor Unit
• 73

  Functions of the Major Components of Indoor Unit

74

Chapter 4 Electrical Components and Wiring Diagrams

• 76

  Outdoor Unit Circuit Board Arrangement
• 76

  Outdoor Unit Control Box
• 79

  Fan Box
• 80

  Control Board
• 80

  Outdoor Unit Circuit Board Components
• 81

  M-NET Board (Transmission Power Supply Board)
• 82

  INV Board
• 84

  Fan Board
• 85

  Noise Filter
• 87

  Capacitor Board
• 88

  Connect Board
• 89

  Outdoor Unit Electrical Wiring Diagrams
• 91

  Transmission Booster Electrical Wiring Diagrams

92

Chapter 5 Control

• 94

  Dipswitch Functions and Factory Settings
• 94

  Outdoor Unit Switch Functions and Factory Settings
• 98

  Indoor Unit Switch Functions and Factory Settings
• 100

  Remote Controller Switch Functions and Factory Settings
• 102

  Initial Control
• 102

  Outdoor Unit Control
• 102

  Overview
• 102

  Rotation Control
• 102

  Startup Control
• 103

  Refrigerant Bypass Control
• 104

  Frequency Control
• 105

  Defrost Operation Control
• 106

  Continuous Heating Mode Control
• 107

  Refrigerant Recovery Control
• 108

  Control at Initial Startup
• 108

  Outdoor Unit Fan Control
• 108

  Refrigerant Flow Control (Linear Expansion Valves 2A and 2B)
• 108

  Subcool Coil Control (Linear Expansion Valve 1)
• 111

  Emergency Operation Mode
• 114

  Compressor Heater Control (P450 and P500 Models)
• 114

  Control of IH Energization Without the Compressor in Operation (Not Applicable to the P450 and P500 Models)
• 114

  Demand Control
• 114

  Operation Mode
• 115

  Operation Flowcharts
• 115

  Operation Sequence Flowchart
• 117

  Actions Performed in Different Modes

120

Chapter 6 Test Run

• 122

  Read before Test Run
• 123

  Function/Specification Comparison
• 123

  Local Remote Controller Selection Tips
• 123

  MA and ME Remote Controller Functions and Specifications
• 124

  Address Registration
• 124

  Making the Group and Interlock Settings From an ME Remote Controller
• 124

  Overview
• 126

  Address Search
• 127

  Address Deletion
• 127

  Making Group and Interlock Settings From Another Remote Controller
• 128

  Selecting Remote Controller Functions From an ME Remote Controller
• 130

  MA Remote Controller (PAR-31MAA)
• 130

  Making Interlock Settings From an MA Remote Controller
• 131

  MA Remote Controller (PAR-21MAA)
• 133

  MA Simple Remote Controller
• 136

  Changing the Room Temperature Detection Position
• 137

  MA Remote Controller (PAR-31MAA)
• 137

  Test Run Method
• 139

  MA Remote Controller (PAR-21MAA)
• 140

  Checking the Refrigerant Charge During Operation
• 140

  Evaluating and Adjusting Refrigerant Charge
• 140

  Operation Characteristics and Refrigerant Charge
• 140

  Refrigerant Overcharge and Undercharge
• 141

  The Amount of Refrigerant to Be Added
• 144

  Refrigerant Charge Adjustment Mode
• 146

  6-10 the Following Symptoms Are Normal
• 147

  Single Unit (Standard)
• 147

  Standard Operation Data (Reference Data)
  • 148

    Cooling Operation
  • 148

    Heating Operation
• 151

  Dual Unit Combination (Standard)
• 162

  Triple Unit Combination (Standard)

172

Chapter 7 Troubleshooting Using Error Codes

• 174

  Error Code and Preliminary Error Code Lists
• 178

  Error Code Definitions and Solutions: Codes [0 - 999]
• 178

  Error Code [0403]
• 179

  Error Code [0404]
• 180

  Error Code Definitions and Solutions: Codes [1000 - 1999]
• 180

  Error Code [1102]
• 181

  Error Code [1301]
• 182

  Error Code [1302] (During Operation)
• 183

  Error Code [1302] (At Startup)
• 183

  Error Code [1500]
• 184

  Error Code Definitions and Solutions: Codes [2000 - 2999]
• 184

  Error Code [2500] (Models with a Drain Sensor)
• 185

  Error Code [2500] (Models with a Float Switch)
• 186

  Error Code [2502] (Models with a Drain Sensor)
• 187

  Error Code [2502] (Models with a Float Switch)
• 188

  Error Code [2503]
• 189

  Error Code [2600]
• 189

  Error Code [2601]
• 190

  Error Code Definitions and Solutions: Codes [3000 - 3999]
• 190

  Error Code [3121]
• 191

  Error Code Definitions and Solutions: Codes [4000 - 4999]
• 191

  Error Code [4102]
• 192

  Error Code [4106]
• 192

  Error Code [4109]
• 193

  Error Code [4115]
• 193

  Error Code [4116]
• 194

  Error Code [4121]
• 195

  Error Code [4124]
• 196

  Error Codes [4220, 4225, 4226] Detail Code 108
• 197

  Error Codes [4220, 4225, 4226] Detail Code 109
• 198

  Error Code [4220] Detail Code 110
• 198

  Error Codes [4220, 4225, 4226] Detail Code 111, 112
• 199

  Error Code [4220] Detail Code 123
• 199

  Error Code [4220] Detail Code 124
• 200

  Error Code [4230] Detail Code 125
• 200

  Error Codes [4220, 4225, 4226] Detail Code 131
• 201

  Error Code [4230] Detail Code 126
• 202

  Error Code [4240]
• 203

  Error Codes [4250, 4255, 4256] Detail Code 101
• 204

  Error Codes [4250, 4255, 4256] Detail Code 104
• 205

  Error Code [4250] Detail Codes 106 and 107
• 205

  Error Codes [4250, 4255, 4256] Detail Code 105
• 206

  Error Code [4250] Detail Codes 121, 128, and 122
• 206

  Error Code [4260]
• 207

  Error Code Definitions and Solutions: Codes [5000 - 5999]
• 207

  Error Codes [5101, 5102, 5103, 5104]
• 208

  Error Codes [5102,5103,5104,5105,5106,5107,5109,5111]
• 209

  Error Code [5110]
• 210

  Error Code [5120]
• 210

  Error Code [5201]
• 211

  Error Code [5301] Detail Code 115
• 211

  Error Code [5301] Detail Code 117
• 212

  Error Code [5301] Detail Code 119
• 212

  Error Code [5301] Detail Code 120
• 213

  Error Code [5301] Detail Code 127
• 213

  Error Codes [5305, 5306] Detail Code 132
• 214

  Error Code [5701]
• 214

  Error Codes [5305, 5306] Detail Code 133
• 214

  Error Codes [5305, 5306] Detail Code 134
• 215

  Error Code Definitions and Solutions: Codes [6000 - 6999]
• 215

  Error Code [6201]
• 215

  Error Code [6202]
• 216

  Error Code [6600]
• 216

  Error Code [6601]
• 217

  Error Code [6602]
• 218

  Error Code [6603]
• 218

  Error Code [6606]
• 219

  Error Code [6607] Error Source Address = Outdoor Unit (OC)
• 220

  Error Code [6607] Error Source Address = Indoor Unit (IC)
• 221

  Error Code [6607] Error Source Address = LOSSNAY (LC)
• 222

  Error Code [6607] Error Source Address = ME Remote Controller
• 223

  Error Code [6607] Error Source Address = System Controller
• 224

  Error Code [6607] All Error Source Addresses
• 225

  Error Code [6607] No Error Source Address
• 226

  Error Code [6608]
• 227

  Error Code [6831]
• 228

  Error Code [6832]
• 229

  Error Code [6833]
• 230

  Error Code [6834]
• 231

  Error Code [6840]
• 231

  Error Code [6841]
• 232

  Error Code [6842]
• 233

  Error Code [6843]
• 234

  Error Code [6846]
• 235

  Error Code Definitions and Solutions: Codes [7000 - 7999]
• 235

  Error Code [7100]
• 236

  Error Code [7101]
• 237

  Error Code [7102]
• 238

  Error Code [7105]
• 238

  Error Code [7106]
• 239

  Error Code [7110]
• 239

  Error Code [7111]
• 240

  Error Code [7113]
• 241

  Error Code [7117]
• 242

  Error Code [7130]

244

Chapter 8 Troubleshooting Based On Observed Symptoms

• 246

  MA Remote Controller Problems
• 246

  The LCD Does Not Light Up
• 247

  The LCD Momentarily Lights Up and Then Goes Off
• 248

  HO" and "PLEASE WAIT" Do Not Go Off the Screen
• 249

  Air Conditioning Units Do Not Operate When the ON Button Is Pressed
• 250

  ME Remote Controller Problems
• 250

  The LCD Does Not Light Up
• 251

  The LCD Momentarily Lights Up and Then Goes Off
• 252

  HO" Does Not Go Off the Screen
• 253

  88" Appears On the LCD
• 254

  Refrigerant Control Problems
• 254

  Units in the Cooling Mode Do Not Operate at Expected Capacity
• 256

  Units in the Heating Mode Do Not Operate at Expected Capacity
• 258

  Outdoor Units Stop at Irregular Times
• 259

  Checking Transmission Waveform and for Electrical Noise Interference
• 259

  M-Net
• 261

  MA Remote Controller
• 262

  Comparing the High-Pressure Sensor Measurement and Gauge Pressure
• 262

  High-Pressure Sensor Configuration (63HS1)
• 262

  Pressure Sensor Circuit Configuration and Troubleshooting Pressure Sensor Problems
• 263

  Comparing the Low-Pressure Sensor Measurement and Gauge Pressure
• 263

  Low-Pressure Sensor Configuration (63LS)
• 264

  Troubleshooting Solenoid Valve Problems
• 266

  Troubleshooting Outdoor Unit Fan Problems
• 267

  General Overview On LEV Operation
• 267

  Troubleshooting LEV Problems
• 270

  Possible Problems and Solutions
• 271

  Coil Removal Instructions
• 273

  Inverter-Related Problems and Solutions
• 273

  Troubleshooting Inverter Problems
• 275

  Checking the Compressor for Ground Fault and Coil Resistance Problems
• 275

  Checking the Inverter Board Error Detection Circuit
• 275

  Checking the Inverter for Damage at No-Load
• 276

  Checking the Inverter for Damage During Compressor Operation
• 278

  Checking the Converter for Damage During Compressor Operation
• 278

  Checking the Fan Board Error Detection Circuit at No Load
• 278

  Checking the Fan Motor for Ground Fault and Coil Resistance Problems
• 279

  Checking the Fan Inverter for Damage at No Load
• 280

  Checking the Fan Inverter for Damage with Load
• 280

  Checking the Installation Conditions
• 281

  Solutions for the Main Earth Leakage Breaker Trip
• 281

  Solutions for the Main No-Fuse Breaker Trip
• 282

  Simple Check On Inverter Circuit Components
• 282

  Troubleshooting Problems with IGBT Module
• 285

  8-10 Control Circuit
• 285

  Control Power Supply Function Block
• 286

  Indoor Unit
• 287

  Troubleshooting Problems with Outdoor Unit Transmission Power Supply Circuit
• 290

  8-11 Measures for Refrigerant Leakage
• 292

  8-12 Compressor Replacement Instructions
• 294

  Troubleshooting Problems Using the LED Status Indicators On the Outdoor Unit

296

Chapter 9 Led Status Indicators On the Outdoor Unit Circuit Board

• 298

  How to Read the LED
• 298

  LED Status Indicators
• 299

  Initial LED Display
• 300

  Clock Memory Function
  • 301

    LED Status Indicators Table

• 2

  Table of Contents
• 3

  Safety Precautions
• 5

  Before Installing the Unit

8

1 Read before Servicing

• 8

  Items to Be Checked
• 9

  Necessary Tools and Materials
• 10

  Piping Materials
• 12

  Storage of Piping Material
• 13

  Piping Machining
• 14

  Brazing
• 15

  Airtightness Test
• 15

  Vacuuming
• 16

  Vacuum Drying
• 17

  Changing Refrigerant
• 17

  Remedies to Be Taken in Case of a Refrigerant Leak
• 18

  Characteristics of the Conventional and the New Refrigerants
• 19

  Notes On Refrigerating Machine Oil

20

2 Restrictions

• 20

  Electrical Work & M-NET Control
• 21

  Types of Switch Setting and Address Setting
• 23

  Examples of System Connection
• 37

  Restrictions On Refrigerant Piping Length

39

3 Components of the Outdoor Unit

• 39

  Appearance of the Components and Refrigerant Circuit
• 45

  Control Box
• 47

  Circuit Board

51

4 Remote Controller

• 51

  Functions and Specifications of MA and ME Remote Controllers
• 52

  Group Setting and Interlocking Settings That Are Made On the ME Remote Controller
• 55

  Interlocking Setting That Is Made On the MA Remote Controller
• 56

  Switching to the Built-In Thermo On the Remote Controller

57

5 Electrical Wiring Diagram

• 57

  Puhy-P200, P250, P300, P350, P400Ygm-A / Puy-P200, P250, P300, P350Ygm-A
• 58

  Puhy-P450, P500, P550, P600, P650Ygm-A
• 59

  Power Dispatching Extension Unit for the Transmission Lines

60

6 Refrigerant Circuit

• 60

  Refrigerant Circuit Diagram
• 64

  Functions of Principal Parts

66

7 Control

• 66

  Dip Switch Functions and Their Factory Settings
• 71

  Controlling the Outdoor Unit
• 78

  Operation Flow Chart

83

8 Test Run

• 83

  Check Items before Test Run
• 83

  Test Run Method
• 84

  Operating Characteristics and Refrigerant Amount
• 84

  Adjustment and Judgment of Refrigerant Amount
• 86

  Refrigerant Volume Adjustment Mode Operation
• 88

  Symptoms That Do Not Signify Problems
• 89

  Standard Operation Data (Reference Data)

97

9 Troubleshooting

• 97

  Check Code List
• 100

  Responding to Error Display On the Remote Controller
• 133

  Investigation of Transmission Wave Shape/Noise
• 136

  Troubleshooting of Principal Parts
• 153

  Refrigerant Leak
• 155

  Compressor Replacement Instructions (Only P450-P650 Types)
• 156

  Collecting the Cooling Liquid From the Accumulator (Only P450-P650 Types)

157

LED Display

• 157

  LED Monitor Display