Daikin BRC7E65 Especificações Página 67
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Protection Control Si38-606
56 Function
4.2 Low Pressure Protection Control
This low pressure protection control is used to protect compressors against the transient
decrease of low pressure.
[In cooling operation].
Low pressure not limited
Pe<0.16MPa
Low pressure standby
Low pressure limited
52 Hz + OFF
Pe<0.12MPa
Pe>0.20MPa
Pe<0.01MPa
Pe: LP pressure sensor detection
value
When occurring 3 times within 30 min.,
the malfunction code “ E4 ” is output.
- Cooling Only 1
- R-22 Cooling Only 2
- Table of Contents iii 4
- 1. Introduction 6
- 1.1.3 Inspection after Repair 8
- 1.1.4 Using Icons 9
- 1.1.5 Using Icons List 9
- 1.2 PREFACE 10
- Introduction Si38-606 11
- General Information 12
- Indoor Units 13
- Outdoor Units 13
- 2. External Appearance 14
- 2.2 Outdoor Units 15
- 3. Capacity Range 16
- Capacity Range Si38-606 17
- 6 General Information 17
- Specifications 18
- 1. Specifications 19
- 1.2 Indoor Units 20
- ()()()() 21
- Specifications Si38-606 25
- 14 Specifications 25
- Si38-606 Specifications 26
- Specifications 15 26
- 16 Specifications 27
- Specifications 17 28
- 18 Specifications 29
- Specifications 19 30
- 20 Specifications 31
- Ceiling Mounted Built-in Type 32
- 24 Specifications 35
- Specifications 25 36
- 26 Specifications 37
- Ceiling Mounted Duct Type 39
- Ceiling Suspended Type 40
- Wall Mounted Type 41
- Floor Standing Type 43
- Concealed Floor Standing Type 45
- 36 Specifications 47
- Refrigerant Circuit 48
- 1. Refrigerant Circuit 49
- RXM8, 10M 50
- 2. Functional Parts Layout 51
- Cooling Operation 52
- Cooling Oil Return Operation 53
- Function 54
- 1. Operation Mode 55
- 2. Basic Control 56
- 2.2 Compressor PI Control 57
- Fan Steps 59
- 3. Special Control 60
- 3.2 Oil Return Operation 61
- 3.4 Restart Standby 63
- 3.5 Stopping Operation 64
- 4. Protection Control 66
- [In cooling operation] 67
- Si38-606 Protection Control 68
- Function 57 68
- Protection Control Si38-606 69
- 58 Function 69
- 4.6 Crankcase Heater Control 70
- 5. Other Control 71
- 5.2 Demand Operation 72
- 6.1 Drain Pump Control 73
- Remote Controller: 74
- Function 65 76
- 66 Function 77
- 6.4 Freeze Prevention 78
- 68 Function 79
- Test Operation 80
- 1. Test Operation 81
- 1.1.3 Check Operation 82
- Test Operation Si38-606 83
- 72 Test Operation 83
- Outdoor unit PC board 85
- 3. Field Setting 86
- 76 Test Operation 87
- 78 Test Operation 89
- Test Operation 79 90
- F2 T1 T2 91
- GROUP NO 94
- MODE NO 94
- FIELD SET 94
- 84 Test Operation 95
- (Local Setting) 96
- DS2-2 OFF ON 98
- DS2-3 ON ON 98
- DS2-4 OFF OFF 98
- Si38-606 Field Setting 100
- Test Operation 89 100
- Test Operation 91 102
- Field Setting Si38-606 103
- 92 Test Operation 103
- (1 cycle before) 104
- (2 cycle before) 104
- (Fixed to 0) 104
- Refer page 104
- 9 797997 105
- 977 7979 105
- 977 7997 105
- Test Operation 95 106
- Test Operation 97 108
- : ON 109
- : OFF 109
- Test Operation 99 110
- 100 Test Operation 111
- 8:ON 9:BLINKING 3:OFF) 112
- CHECK OPERATION FUNCTION 112
- 102 Test Operation 113
- Troubleshooting 114
- Si38-606 115
- 104 Troubleshooting 115
- 106 Troubleshooting 117
- Troubleshooting 107 118
- 108 Troubleshooting 119
- Troubleshooting 109 120
- Operation Button 121
- Troubleshooting 111 122
- Troubleshooting 113 124
- 116 Troubleshooting 127
- . : Blink 128
- Controller 129
- Indoor Unit: PC Board Defect 130
- System (S1L, 33H) 131
- 122 Troubleshooting 133
- Troubleshooting 123 134
- Expansion Valve (20E) 136
- Troubleshooting 127 138
- 128 Troubleshooting 139
- Exchanger 140
- 130 Troubleshooting 141
- Suction Air 142
- Remote Controller 143
- Troubleshooting 133 144
- 134 Troubleshooting 145
- Troubleshooting 135 146
- Compressor Motor Lock 147
- Troubleshooting 137 148
- 138 Troubleshooting 149
- 140 Troubleshooting 151
- Temperature 153
- Refrigerant Overcharged 154
- 144 Troubleshooting 155
- Air (R1T) 156
- Current Sensor Malfunction 157
- Thermistor (R31 or 32T) 158
- Suction Pipe 159
- Outdoor Unit Heat Exchanger 160
- 150 Troubleshooting 161
- Troubleshooting 151 162
- 152 Troubleshooting 163
- Temperature Rise 164
- 154 Troubleshooting 165
- Troubleshooting 155 166
- 156 Troubleshooting 167
- Inverter and Control PC Board 168
- Troubleshooting 159 170
- Temperature Rise Sensor 171
- Troubleshooting 161 172
- 162 Troubleshooting 173
- Reverse Phase, Open Phase 174
- 164 Troubleshooting 175
- Check Operation not Executed 177
- Troubleshooting 167 178
- Controller and Indoor Unit 180
- 170 Troubleshooting 181
- SUB Remote Controllers 183
- Troubleshooting 173 184
- Troubleshooting 175 186
- Troubleshooting 177 188
- Troubleshooting 179 190
- Undefined 191
- PC Board Defect 192
- 182 Troubleshooting 193
- Centralized Control 194
- Troubleshooting 185 196
- 186 Troubleshooting 197
- Troubleshooting 189 200
- 192 Troubleshooting 203
- 5.1 Operation Lamp Blinks 204
- Single Blink) 206
- Troubleshooting 197 208
- Double Blink) 209
- Troubleshooting 199 210
- 200 Troubleshooting 211
- Appendix 212
- 1. Piping Diagrams 213
- 1.2 Indoor Unit 214
- 2. Wiring Diagrams 215
- 2.2 Field Wiring 216
- 2.3 Indoor Unit 217
- FXC40L / 50L / 80L / 125LVE 218
- Wiring Diagrams Si38-606 219
- 208 Appendix 219
- FXK25L / 32L / 40L / 63LVE 220
- 210 Appendix 221
- Si38-606 Wiring Diagrams 222
- Appendix 211 222
- 212 Appendix 223
- Appendix 213 224
- 214 Appendix 225
- Appendix 215 226
- FXM200L / 250LVE 227
- FXH32L / 63L / 100LVE 228
- 218 Appendix 229
- Appendix 219 230
- 3.1 Outdoor Unit 231
- 3.2 Indoor Unit 232
- 222 Appendix 233
- Appendix 223 234
- 224 Appendix 235
- Appendix 225 236
- 9.0µF-400V 236
- 226 Appendix 237
- 4. Option List 238
- System Configuration 239
- Building Management System 239
- C : 3D041582A 240
- 5.1 RXM8M, 10M 241
- Characteristics 243
- Outdoor Unit 244
- Thermistors for 244
- Discharge Pipe 244
- 7. Pressure Sensor 245
- Transistors and Diode Modules 246
- 236 Appendix 247
- Index iii 250
- Drawings & Flow Charts 252
- All rights reserved 254
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