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Daikin RZQ125B7W1B [135/326] Suction pipe superheat protection control heating mode
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ESIE05-03 Outdoor Unit Functional Concept
Part 2 – Functional Description 2–51
3
2
4
5
1
3.3.6 Suction Pipe Superheat Protection Control (Heating Mode)
Outline In case the suction superheat value in heating mode is too high, the oil return to the compressor will
be insufficient. In order to avoid that the compressor oil will be accumulated in the outdoor unit heat
exchanger, the upper limit frequency will be decreased.
Flow chart
Normal operation
Lowering upper limit
frequency for 1-step
every 20 seconds
Raising upper limit
frequency for 1-step
every 20 seconds
• Suction SH > 12°C
• Suction SH > 10°C
• EV opening degree = 480pls
• Suction SH > 12°C
• Suction SH > 10°C
• EV opening degree = 480pls
• Suction SH < 10°C
• EV opening degree < 450pls
• Suction SH < 8°C
• Suction SH < 6°C
• Suction SH < 6°C
• Upper limit frequency = Maximum frequency
• Suction SH < 8°C
• Suction SH < 10°C
• EV opening degree < 450 pls
OR
OR
OR
OR
&
&
&
•&
•OR
•&
ESIE05-03.book Page 51 Wednesday, April 6, 2005 4:09 PM
Содержание
- Service manual 1
- Functional diagrams 3
- General outline outdoor units 3
- Introduction 3
- Part 1 system outline 3
- Specifications 3
- Switch box layout 3
- Table of contents 3
- Pcb layout 4
- Wiring diagrams 4
- General functionality 5
- Indoor unit functional concept 5
- Outdoor unit functional concept 5
- Part 2 functional description 5
- Error codes indoor units 6
- Part 3 troubleshooting 6
- Troubleshooting 6
- Additional checks for troubleshooting 7
- Error codes outdoor units 7
- Error codes system malfunctions 7
- Field settings 8
- Part 4 commissioning and test run 8
- Pre test run checks 8
- Test run and operation data 8
- Disassembly and maintenance outdoor units 9
- Part 5 disassembly and maintenance 9
- About this manual 11
- Introduction 11
- Part 0 11
- Combination overview 12
- Introduction esie05 03 12
- Model name 12
- Rzq71 140 the table below contains the possible combinations between indoor units and outdoor units of the sky air rzq series 12
- Outline 14
- Precautions on handling new refrigerants 14
- Esie05 03 book page v wednesday april 6 2005 4 09 pm 15
- Esie05 03 introduction 15
- Thermodynamic characteristic of r410a 15
- Refrigerant cylinders 16
- Service tools 17
- Part 1 system outline 23
- General outline outdoor units 25
- Part 1 25
- What is in this chapter 25
- Rzq71 outlook and dimensions 26
- Rzq100 140 outlook and dimensions 28
- Rzq71 140 installation and service space 30
- Part 1 33
- Specifications 33
- What is in this chapter 33
- 12 part 1 system outline 34
- Esie05 03 book page 12 wednesday april 6 2005 4 09 pm 34
- Rzq71 100 and 125 single phase 34
- Specifications esie05 03 34
- Technical specifications the table below contains the technical specifications 34
- Equivalent refrigerant piping 7 m 35
- Esie05 03 book page 13 wednesday april 6 2005 4 09 pm 35
- Esie05 03 specifications 35
- Indoor temperature 20 c db 35
- Indoor temperature 27 c db 19 c wb 35
- Level difference 0 m 35
- Nominal cooling capacities are based on 35
- Nominal heating capacities are based on 35
- Notes 1 35
- Outdoor temperature 35 c db 35
- Outdoor temperature 7 c db 6 c wb 35
- Part 1 system outline 1 13 35
- 14 part 1 system outline 36
- Electrical data 36
- Electrical specifications the table below contains the electrical specifications 36
- Esie05 03 book page 14 wednesday april 6 2005 4 09 pm 36
- Specifications esie05 03 36
- Esie05 03 book page 15 wednesday april 6 2005 4 09 pm 37
- Esie05 03 specifications 37
- Fla full load amps 37
- Ifm indoor fan motor 37
- Indoor temp cooling 27 c db 19 c wb 37
- Indoor temp heating 20 c db 37
- Kw fan motor rated output 37
- Maximum allowable voltage variation between phases is 2 37
- Mca min circuit amps 37
- Mca represents maximum input current mfa represents capacity which may accept mca next lower standard fuse rating minimum 15a 37
- Mfa is used to select the circuit breaker and the ground fault circuit interruptor earth leakage circuit breaker 37
- Mfa max fuse amps see note 7 37
- Msc max current during the starting compressor 37
- Notes 1 37
- Ofm outdoor fan motor 37
- Outdoor temp cooling 35 c db 37
- Outdoor temp heating 7 c db 6 c wb 37
- Part 1 system outline 1 15 37
- Power supply 50hz 230v 37
- Rla is based on the following conditions 37
- Rla rated load amps 37
- Select wire size based on the larger value of mca or toca 37
- Symbols 37
- Toca means the total value of each oc set 37
- Toca total over current amps 37
- Voltage range units are suitable for use on electrical systems where voltage supplied to unit terminals is not below or above listed range limits 37
- 16 part 1 system outline 38
- Esie05 03 book page 16 wednesday april 6 2005 4 09 pm 38
- Rzq100 125 and 140 three phase 38
- Specifications esie05 03 38
- Technical specifications the table below contains the technical specifications 38
- Equivalent refrigerant piping 7 m 39
- Esie05 03 book page 17 wednesday april 6 2005 4 09 pm 39
- Esie05 03 specifications 39
- Indoor temperature 20 c db 39
- Indoor temperature 27 c db 19 c wb 39
- Level difference 0 m 39
- Nominal cooling capacities are based on 39
- Nominal heating capacities are based on 39
- Notes 1 39
- Outdoor temperature 35 c db 39
- Outdoor temperature 7 c db 6 c wb 39
- Part 1 system outline 1 17 39
- 18 part 1 system outline 40
- Electrical data 40
- Electrical specifications the table below contains the electrical specifications 40
- Esie05 03 book page 18 wednesday april 6 2005 4 09 pm 40
- Specifications esie05 03 40
- Esie05 03 book page 19 wednesday april 6 2005 4 09 pm 41
- Esie05 03 specifications 41
- Fla full load amps 41
- Ifm indoor fan motor 41
- Indoor temp cooling 27 c db 19 c wb 41
- Indoor temp heating 20 c db 41
- Kw fan motor rated output 41
- Maximum allowable voltage variation between phases is 2 41
- Mca min circuit amps 41
- Mca represents maximum input current mfa represents capacity which may accept mca next lower standard fuse rating minimum 15a 41
- Mfa is used to select the circuit breaker and the ground fault circuit interruptor earth leakage circuit breaker 41
- Mfa max fuse amps see note 7 41
- Msc max current during the starting compressor 41
- Notes 1 41
- Ofm outdoor fan motor 41
- Outdoor temp cooling 35 c db 41
- Outdoor temp heating 7 c db 6 c wb 41
- Part 1 system outline 1 19 41
- Power supply 50hz 230v 41
- Rla is based on the following conditions 41
- Rla rated load amps 41
- Select wire size based on the larger value of mca or toca 41
- Symbols 41
- Toca means the total value of each oc set 41
- Toca total over current amps 41
- Voltage range units are suitable for use on electrical systems where voltage supplied to unit terminals is not below or above listed range limits 41
- Functional diagrams 43
- Part 1 43
- What is in this chapter 43
- 22 part 1 system outline 44
- Functional diagrams esie05 03 44
- Pair system 44
- Esie05 03 functional diagrams 45
- Part 1 system outline 1 23 45
- Rzq100 140 45
- 24 part 1 system outline 46
- Functional diagrams esie05 03 46
- Twin system 46
- Esie05 03 functional diagrams 47
- Part 1 system outline 1 25 47
- Rzq100 140 47
- 26 part 1 system outline 48
- Functional diagrams esie05 03 48
- Rzq100 140 48
- Triple system 48
- Double twin system 49
- Esie05 03 functional diagrams 49
- Part 1 system outline 1 27 49
- Rzq100 140 49
- Pipe connection diameters 50
- Allowed 51
- Caution 51
- Esie05 03 functional diagrams 51
- Existing 51
- How to re use existing piping 51
- If copper piping is corroded existing piping re use is not allowed 51
- In all circumstances where these conditions can not be fully met new piping has to be installed 51
- Introduction when installing a system using an rzq outdoor unit existing or pre installed piping can be used according to below specified conditions 51
- Notes oil contamination can be checked using the daikin oil checker card 51
- Part 1 system outline 1 29 51
- Re using existing field piping 51
- See further notes in this section for twin triple and double twin applications 51
- Single side thermal insulation is not allowed for re use 51
- A dimensions for processing flares mm flare shape 55
- After completing the installation carry out an inspection of the piping connections by pressure test using nitrogen 55
- Caution for flare connections 55
- Esie05 03 functional diagrams 55
- Flare nut tightening torque 55
- Part 1 system outline 1 33 55
- Piping size 55
- Refer to below table for correct flare dimensions and tightening torques 55
- Too high tightening force may cause refrigerant leak because of flare cracking 55
- When connecting the flare nut apply refrigerating machine oil to the flare inside and outside and first screw the nut 3 or 4 turns by hand coat the indicated surfaces using ether or ester oil 55
- Components the table below contains the different components of the functional diagrams 57
- Esie05 03 57
- No component function remark 57
- Part 1 57
- Part 1 system outline 1 35 57
- Piping components 57
- Part 1 59
- Switch box layout 59
- What is in this chapter 59
- Rzq71b8v3b 60
- Rzq100 125b8v3b 61
- Rzq100 140b7w1b 62
- Part 1 63
- What is in this chapter 63
- Wiring diagrams 63
- 42 part 1 system outline 64
- Rzq71b8v3b 64
- Wiring diagram the illustration below shows the wiring diagram of the unit 64
- Wiring diagrams esie05 03 64
- Esie05 03 wiring diagrams 65
- Part 1 system outline 1 43 65
- 44 part 1 system outline 66
- Rzq100 125b8v3b 66
- Wiring diagram the illustration below shows the wiring diagram of the unit 66
- Wiring diagrams esie05 03 66
- Esie05 03 wiring diagrams 67
- Part 1 system outline 1 45 67
- 46 part 1 system outline 68
- Rzq100 140b7w1b 68
- Wiring diagram the illustration below shows the wiring diagram of the unit 68
- Wiring diagrams esie05 03 68
- Esie05 03 wiring diagrams 69
- Part 1 system outline 1 47 69
- Part 1 71
- Pcb layout 71
- What is in this chapter 71
- Rzq71b8v3b 72
- Rzq100 125b8v3b 76
- Rzq100 140b7w1b 80
- Part 2 functional description 85
- General functionality 87
- Part 2 87
- What is in this chapter 87
- Functions of thermistors 88
- Forced operating mode emergency operation 90
- Outdoor unit identification function 92
- Simulated operation function 93
- 10 part 2 functional description 94
- A minutes 94
- General functionality esie05 03 94
- Outline to prevent the compressor from frequently turning on and off and allow pressure equalization forced thermostat off will be conducted after compressor stopping compressor guard timer 94
- Parameters 94
- Restart standby 94
- Rzq100 140 3 minutes 94
- Rzq71 2 minutes 94
- Automatic restart 95
- 12 part 2 functional description 96
- Applicable the remote control thermostat is only available in wired remote controls 96
- Condition the remote controller thermostat is not used when 96
- Conditions the table below contains the condition in which the remote control thermostat is not used 96
- Cooling the diagram below shows the operation range of the set temperature air suction temperature combination in cooling operation 96
- Esie05 03 book page 12 wednesday april 6 2005 4 09 pm 96
- General functionality esie05 03 96
- Group control is used 96
- Method the remote control sensor is standard disabled for sky air units the use of the remote control sensor can be enabled by changing field setting 10 20 2 02 to 10 20 2 01 96
- The remote controller thermostat malfunctions 96
- The set temperature air suction temperature combination is out of range see below graph 96
- Using conditions for remote controller thermostat 96
- A b c d 97
- Esie05 03 book page 13 wednesday april 6 2005 4 09 pm 97
- Esie05 03 general functionality 97
- Heating the diagram below shows the operation range of the set temperature air suction temperature combination in heating operation 97
- Part 2 functional description 2 13 97
- When heating the hot air rises to the top of the room resulting in the temperature being lower near the floor where the occupants are when controlling by body thermostat sensor only the unit may therefore be turned off by the thermostat before the lower part of the room reaches the preset temperature the temperature can be controlled so the lower part of the room where the occupants are doesn t become cold by widening the range in which thermostat sensor in remote controller can be used so that suction temperature is higher than the preset temperature 97
- Forced thermostat off 98
- Test run control 99
- 4 way valve control 100
- Way valve control 100
- Pump down residual operation 101
- Pump down operation 102
- Defrost operation 103
- 20 part 2 functional description 104
- A hz 162 hz 155 hz 104
- A pls 300 pulses 250 pulses 104
- B hz 122 hz 155 hz 104
- C hz 48 hz 72 hz 104
- Defrost control 104
- General functionality esie05 03 104
- Parameters 104
- Rzq71 rzq100 140 104
- Freeze prevention function 106
- Pmv control 107
- Preheating operation control 108
- Crankcase heater control 109
- Indoor unit functional concept 111
- Part 2 111
- What is in this chapter 111
- Thermostat control 112
- Drain pump control 113
- Condensation avoidance control 115
- 32 part 2 functional description 116
- Defrosting the time chart below illustrates the draft avoidance control 1 in defrosting 116
- Draft avoidance control 1 116
- Heating thermostat off the time chart below illustrates the draft avoidance control 1 in heating thermostat off 116
- Indoor unit functional concept esie05 03 116
- Input connection on indoor pcb connection on outdoor pcb 116
- Limit switch for flap 33s 116
- No of fan turns x26a 116
- Outdoor heat exchanger thermistor defrost control r2t 116
- Purpose avoid draft for the customer by delaying transfer of the flap to the po0 horizontal position for a certain amount of time when defrosting and in heating thermostat off 116
- Used inputs the draft avoidance control 1 uses the following inputs 116
- Draft avoidance control 2 117
- Fan and flap operations 118
- Indoor unit fan control 119
- Outdoor unit functional concept 121
- Part 2s 121
- What is in this chapter 121
- Function outline 122
- Esie05 03 outdoor unit functional concept 123
- Flow chart cooling dry operation 123
- Function outline in cooling mode 123
- Part 2 functional description 2 39 123
- 40 part 2 functional description 124
- Flow chart heating operation 124
- Function outline in heating mode 124
- Outdoor unit functional concept esie05 03 124
- Frequency regulating functions 125
- Starting frequency control 126
- General frequency control 129
- A hz 128 hz 131
- B hz 67 hz 131
- C hz 38 hz 131
- Esie05 03 outdoor unit functional concept 131
- Flow chart 131
- Low pressure protection control rzq71 131
- Outline in order to prevent abnormal low pressures in the system the below control function will be activated low pressure is measured by the low pressure sensor 131
- Parameters 131
- Part 2 functional description 2 47 131
- Rzq71b 131
- When cooling operation when heating operation 131
- 48 part 2 functional description 132
- A hz 123 hz 132
- B hz 72 hz 132
- C hz 41 hz 132
- Flow chart 132
- Low pressure protection control rzq100 140 132
- Outdoor unit functional concept esie05 03 132
- Outline in order to prevent abnormal low pressures in the system the below control function will be activated low pressure is detected by the low pressure switch 132
- Parameters 132
- Rzq100 140b 132
- When cooling operation when heating operation 132
- A hz 79 hz 58 hz 133
- B hz 62 hz 58 hz 133
- C bar 35 bar 35 bar 133
- D bar 36 bar 36 bar 133
- Details the high pressure value will be calculated from the low pressure power input and compressor frequency in case of rzq100 140 low pressure is a calculated value 133
- E bar 38 bar 38 bar 133
- Esie05 03 outdoor unit functional concept 133
- F bar 34 bar 34 bar 133
- Flow chart 133
- G bar 32 bar 32 bar 133
- H bar 33 bar 33 bar 133
- High pressure protection control 133
- Hps closes at 30 bar tolerance 0 5 133
- Hps opens at 40 bar tolerance 0 0 5 133
- I bar 38 bar 38 bar 133
- Outline in order to prevent abnormal high pressures in the system and hence avoiding activation of the high pressure safety device the below control function will be activated 133
- Parameters 133
- Part 2 functional description 2 49 133
- Rzq71b rzq100 140b 133
- When cooling operation when heating operation 133
- Discharge pipe temperature control 134
- Esie05 03 outdoor unit functional concept 135
- Flow chart 135
- Lowering upper limit frequency for 1 step every 20 seconds 135
- Normal operation 135
- Outline in case the suction superheat value in heating mode is too high the oil return to the compressor will be insufficient in order to avoid that the compressor oil will be accumulated in the outdoor unit heat exchanger the upper limit frequency will be decreased 135
- Part 2 functional description 2 51 135
- Raising upper limit frequency for 1 step every 20 seconds 135
- Suction pipe superheat protection control heating mode 135
- Inverter current protection control 136
- Input current control 137
- Inverter cooling fin temperature control 138
- Cooling in cooling low ambient conditions the outdoor fan speed and compressor frequency will be adapted to secure the differential pressure between high and low pressure 139
- Esie05 03 outdoor unit functional concept 139
- Fan control in cooling 139
- Outline to ensure the compression ratio pressure difference between high and low pressure at low outdoor temperature conditions in cooling mode and high outdoor temperature conditions in heating mode the outdoor fan and target compressor frequency may be varied 139
- Parameters 139
- Part 2 functional description 2 55 139
- Pressure difference control 139
- Rzq71b8v3b rzq100 125b8v3b rzq100 140b7w1b 139
- T c 79 c 71 c 68 c 139
- 56 part 2 functional description 140
- Frequency restriction in cooling 140
- Heating high outdoor ambient overload conditions 140
- In heating overload conditions the outdoor fan speed will be adapted to secure the differential pressure between high and low pressure 140
- Only the fan speed will be adapted in heating overload conditions no adjustments to the compressor frequency will be made 140
- Outdoor unit functional concept esie05 03 140
- Oil recovery operation 141
- Expansion valve regulating functions 142
- Expansion valve control at startup 143
- General expansion valve control 144
- Discharge pipe temperature control 145
- Outdoor unit fan speed control 146
- Outdoor unit fan speed control 147
- Part 3 troubleshooting 149
- Part 3 151
- Troubleshooting 151
- What is in this chapter 151
- 4 part 3 troubleshooting 152
- Ask for the character code of the malfunction code 152
- Cooling starts but stops right away 152
- Doesn t run 152
- Find out the situation according to the following procedure when there is a request for service from the customer 152
- General troubleshooting flowchart 152
- Heating 152
- Is the operation lamp of the indoor unit s signal receiving section blinking 152
- Is the remote controller s operation lamp blinking 152
- Is there a power failure doesn t run at all the power supply switch is off or the switch s fuse is burnt 152
- Measure the suction discharge temperature 152
- Measure the suction disharge temperature 152
- No cooling 152
- No no no 152
- No yes 152
- Ok we ll be right over 152
- Operation is normal 152
- Refer to remote controller display malfunction code and contents 152
- Service work required 152
- Set the remote controller s temperature setting to 1 when cooling minimum 2 when heating maximum 152
- Temperature differential is 14 30 c 152
- Temperature differential is 8 18 c 152
- The fan comes on but the compressor doesn t run 152
- The unit runs but doesn t cool the room 152
- The unit won t run again for a while after stopping 152
- The units runs but doesn t heat the room 152
- Troubleshooting by remote controller malfunction code 152
- Troubleshooting esie05 03 152
- Try turning the operation switch off and on 152
- Turn the power supply switch on or replace the fuse 152
- Wait until power failure is over 152
- Yes runs 152
- Overview of general problems 153
- Equipment does not operate 154
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 155
- Check electric system 155
- Diagnose based on error code on remote controller 155
- Esie05 03 troubleshooting 155
- Normal equipment starts operation 3 minutes later 3 min standby 155
- Part 3 troubleshooting 3 7 155
- Remote controller flashing 155
- Repeatedly 155
- Troubleshooting 155
- Indoor fan operates but compressor does not 156
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 157
- Esie05 03 troubleshooting 157
- Part 3 troubleshooting 3 9 157
- Troubleshooting 157
- Cooling heating operation starts but stops immediately 158
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 159
- Controller flashing 159
- Esie05 03 troubleshooting 159
- Heating indoor unit cooling outdoor unit 159
- Part 3 troubleshooting 3 11 159
- Soiled 159
- Troubleshooting 159
- Wireless 159
- After unit shuts down it cannot be restarted for a while 160
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 161
- Check compressor 161
- Contact power company 161
- Electric system 161
- Esie05 03 troubleshooting 161
- Expansion valve malfunction 161
- Four way valve malfunction 161
- Normal unit is in 3 min standby mode 161
- Not so hot no 161
- Part 3 troubleshooting 3 13 161
- Refrigerant circuit 161
- Replace power cable 161
- Troubleshooting 161
- Equipment operates but does not provide cooling 162
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 163
- Esie05 03 troubleshooting 163
- Part 3 troubleshooting 3 15 163
- Troubleshooting 163
- Equipment operates but does not provide heating 164
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 165
- Esie05 03 troubleshooting 165
- Part 3 troubleshooting 3 17 165
- Troubleshooting 165
- 18 part 3 troubleshooting 166
- Applicable model all models of skyair series 166
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 166
- Clogged air filter 166
- Equipment discharges white mist 166
- Error detection method 166
- Error generating condition 166
- Humid installation site 166
- Installation site is dirty and with dense oil mists 166
- Malfunction of fan motor 166
- Possible cause 166
- Soiled heat exchanger 166
- Troubleshooting 166
- Troubleshooting esie05 03 166
- Equipment produces loud noise or shakes 167
- 20 part 3 troubleshooting 168
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 168
- Troubleshooting 168
- Troubleshooting esie05 03 168
- Equipment discharges dust 169
- Remote controller lcd displays 88 170
- Swing flap does not operate 171
- 24 part 3 troubleshooting 172
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 172
- Troubleshooting 172
- Troubleshooting esie05 03 172
- Esie05 03 troubleshooting 173
- Inspection mode 173
- Local setting mode 173
- Normal mode 173
- Part 3 troubleshooting 3 25 173
- Procedure of self diagnosis by remote controller 173
- Service mode 173
- Test operation mode 173
- The following modes can be selected by using the inspection test operation button on the remote control 173
- The inspection test button 173
- Fault diagnosis by wired remote controller 174
- Fault diagnosis by wireless remote controller 175
- Overview of error codes 179
- Troubleshooting by led indications 181
- Troubleshooting by led on the indoor unit s 181
- Remark 182
- Troubleshooting by led on outdoor unit pcb 182
- High probability of malfunction possibility of malfunction low probability of malfunction no possibility of malfunction do not replace 183
- Indoor malfunctions 183
- Led blinks 183
- Led off no connection with troubleshooting 183
- Led on 183
- Troubleshooting by remote controller display led display 183
- Outdoor malfunctions 184
- System malfunctions 185
- Overview of the outdoor safety devices 186
- Overview of the indoor safety devices 187
- Error codes indoor units 189
- Part 3 189
- What is in this chapter 189
- Malfunctioning indoor pcb a1 190
- Malfunction of drain water level system a3 191
- 44 part 3 troubleshooting 192
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 192
- Error codes indoor units esie05 03 192
- Remark if a3 is detected by a pc board which is not mounted with x15a the pc board is defective 192
- Troubleshooting 192
- Causes the possible causes are 193
- Error code 193
- Error generation the error is generated when the float switch changes from on to off while the compressor is off 193
- Error in the drain pipe installation 193
- Esie05 03 error codes indoor units 193
- Led indications the table below shows the led indications 193
- Malfunctioning 193
- Malfunctioning drain system af 193
- Malfunctioning float switch 193
- Malfunctioning indoor unit pcb 193
- Normal 193
- Operation hap green hbp green 193
- Part 3 troubleshooting 3 45 193
- Troubleshooting 193
- Indoor unit fan motor lock a6 195
- 48 part 3 troubleshooting 196
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 196
- Error codes indoor units esie05 03 196
- Troubleshooting 196
- Swing flap motor malfunction lock a7 197
- 50 part 3 troubleshooting 198
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 198
- Error codes indoor units esie05 03 198
- Troubleshooting 198
- Malfunctioning capacity setting aj 199
- 52 part 3 troubleshooting 200
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 200
- Error codes indoor units esie05 03 200
- Troubleshooting 200
- Thermistor abnormality c4 c5 c9 201
- 54 part 3 troubleshooting 202
- C4 indoor liquid pipe thermistor r2t c5 gaspipe thermistor r3t c9 air suction thermistor r1t 202
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 202
- Error codes indoor units esie05 03 202
- Esie05 03 book page 54 wednesday april 6 2005 4 09 pm 202
- Troubleshooting 202
- Malfunctioning remote controller air thermistor cj 203
- Humidity sensor system malfunction cc 204
- Error codes outdoor units 205
- Part 3 205
- What is in this chapter 205
- Failure of outdoor unit pc board e1 206
- Abnormal high pressure detected by the hps e3 207
- Stop valve is left in closed 207
- 60 part 3 troubleshooting 208
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 208
- Error codes outdoor units esie05 03 208
- Troubleshooting 208
- 1 voltage measurement point 209
- Abnormal drop of low pressure lower than 0 5mpa 209
- Actual value of the low pressure is continuously measured using the low pressure sensor 209
- Actuation of low pressure sensor rzq71b8v3b e4 209
- Defect of low pressure sensor 209
- Defect of outdoor unit pc board 209
- Error is generated when the low pressure is dropped under specific pressure 209
- Esie05 03 error codes outdoor units 209
- Malfunction decision conditions 209
- Method of malfunction detection 209
- Part 3 troubleshooting 3 61 209
- Remote controller display 209
- Stop valve is not opened 209
- Supposed causes 209
- Troubleshooting 209
- 2 refer to low pressure sensor check on page 3 115 210
- 62 part 3 troubleshooting 210
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 210
- Error codes outdoor units esie05 03 210
- Actuation of low pressure switch rzq100 140 e4 211
- 64 part 3 troubleshooting 212
- Caution be sure to turn off power switch before connecting or disconnecting the connector or parts damage may occur 212
- Error codes outdoor units esie05 03 212
- Troubleshooting to troubleshoot proceed as follows 212
- Compressor motor lock e5 213
- 66 part 3 troubleshooting 214
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 214
- Error codes outdoor units esie05 03 214
- Troubleshooting 214
- Malfunction of outdoor unit fan motor e7 215
- Malfunction of electronic expansion valve e9 217
- 70 part 3 troubleshooting 218
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 218
- Error codes outdoor units esie05 03 218
- Troubleshooting 218
- Malfunctioning in discharge pipe temperature f3 219
- 72 part 3 troubleshooting 220
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 220
- Error codes outdoor units esie05 03 220
- Troubleshooting 220
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 221
- Disconnected lead wire 221
- Disconnection in high pressure switch harness 221
- Esie05 03 error codes outdoor units 221
- Faulty connection of high pressure switch connector 221
- Faulty outdoor unit pc board 221
- Incomplete high pressure switch 221
- Malfunction decision conditions 221
- Malfunctioning hps system h3 221
- Method of malfunction detection 221
- Part 3 troubleshooting 3 73 221
- Remote controller display 221
- Supposed causes 221
- The protection device circuit checks continuity in the high pressure switch 221
- Troubleshooting 221
- When there is no continuity in the high pressure switch during compressor stops operating 221
- Abnormal low pressure switch h4 222
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 223
- Esie05 03 error codes outdoor units 223
- Part 3 troubleshooting 3 75 223
- Troubleshooting 223
- H9 j3 j5 j6 224
- Malfunction of thermistor system h9 j3 j5 j6 224
- 1 voltage measurement point 225
- 2 refer to pressure sensor pressure voltage characteristics table on page 225
- Connection of high pressure sensor with wrong connection 225
- Defect of low pressure sensor system 225
- Defect of outdoor unit pc board 225
- Esie05 03 error codes outdoor units 225
- Malfunction decision conditions 225
- Malfunction is detected from pressure detected by low pressure sensor 225
- Malfunction of suction pipe pressure sensor jc 225
- Method of malfunction detection 225
- Part 3 troubleshooting 3 77 225
- Remote controller display 225
- Supposed causes 225
- Troubleshooting 225
- When the suction pipe pressure sensor is short circuit or open circuit 225
- Fin temperature detection values 227
- Fin temperature is detected by the thermistor of the radiation fin 227
- Radiation fin temperature increased l4 227
- Dc output overcurrent instantaneous l5 228
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 229
- Esie05 03 error codes outdoor units 229
- Part 3 troubleshooting 3 81 229
- Troubleshooting 229
- Electronic thermal time lag l8 230
- Inverter pc board detects the disorder of position signal 230
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 231
- Esie05 03 error codes outdoor units 231
- Part 3 troubleshooting 3 83 231
- Troubleshooting 231
- Stall prevention time lag l9 232
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 233
- Esie05 03 error codes outdoor units 233
- Part 3 troubleshooting 3 85 233
- Troubleshooting 233
- Malfunction of transmission system between control pcb and inverter pcb lc 234
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 235
- Esie05 03 error codes outdoor units 235
- Part 3 troubleshooting 3 87 235
- Troubleshooting 235
- Open phase or power supply voltage imbalance p1 236
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 237
- Esie05 03 error codes outdoor units 237
- Part 3 troubleshooting 3 89 237
- Troubleshooting 237
- 90 part 3 troubleshooting 238
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 238
- Detection by open or short circuit of the radiator fin temperature thermistor during the compressor stops operating 238
- Error codes outdoor units esie05 03 238
- Faulty outdoor unit pc board 238
- Faulty radiator fin temperature thermistor 238
- Malfunction decision conditions 238
- Malfunction of radiator fin temperature thermistor p4 238
- Method of malfunction detection 238
- Remote controller display 238
- Supposed causes 238
- Troubleshooting 238
- When open or short circuit of the radiator fin temperature thermistor is detected during the compressor stops operating 238
- Failure of capacity setting pj 239
- Gas shortage malfunction u0 240
- Abnormal power supply voltage u2 241
- Remote controller does not decide the abnormality 241
- 94 part 3 troubleshooting 242
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 242
- Error codes outdoor units esie05 03 242
- Troubleshooting 242
- Error codes system malfunctions 243
- Part 3 243
- What is in this chapter 243
- 96 part 3 troubleshooting 244
- Causes the possible causes are 244
- Error code 244
- Error codes system malfunctions esie05 03 244
- Error generation the error is generated when the microprocessor detects that the transmission between the indoor and the outdoor unit is not normal over a certain amount of time 244
- Malfunction of transmission between indoor and outdoor unit u4 or uf 244
- Malfunctioning indoor unit pcb 244
- Malfunctioning outdoor unit pcb 244
- Outside cause noise 244
- Troubleshooting 1 diagnosis of incorrect or broken disconnected wiring if the leds on the indoor unit pc board are off it indicates that the transmission wiring between indoor and outdoor units may be incorrect or broken disconnected 244
- Wiring indoor outdoor transmission wire is incorrect 244
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 245
- Esie05 03 error codes system malfunctions 245
- Part 3 troubleshooting 3 97 245
- Troubleshooting 2 245
- 98 part 3 troubleshooting 246
- Causes the possible causes are 246
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 246
- Connection of two master remote controllers when using two remote controllers 246
- Error code 246
- Error codes system malfunctions esie05 03 246
- Error generation the error is generated when the microprocessor detects that the transmission between the indoor unit and the remote controller is not normal over a certain amount of time 246
- Malfunction of transmission between indoor unit and remote controller u5 246
- Malfunctioning indoor pcb 246
- Malfunctioning remote controller 246
- Outside cause noise 246
- Troubleshooting 246
- Causes the possible causes are 247
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 247
- Connection among sub remote controllers 247
- Error code 247
- Error generation the error is generated when in case of controlling with two remote controllers the microprocessor detects that the transmission between the indoor unit and the remote controllers main and sub is not normal over a certain amount of time 247
- Esie05 03 error codes system malfunctions 247
- Malfunction of transmission between main remote controller and sub remote controller u8 247
- Malfunctioning remote controller pcb 247
- Part 3 troubleshooting 3 99 247
- Transmission error between main remote controller and sub remote controller 247
- Troubleshooting 247
- Malfunctioning field setting switch ua 248
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 249
- Esie05 03 error codes system malfunctions 249
- Part 3 troubleshooting 3 101 249
- Troubleshooting 249
- Centralized address setting error uc 250
- Additional checks for troubleshooting 251
- Part 3 251
- What is in this chapter 251
- 104 part 3 troubleshooting 252
- Additional checks for troubleshooting esie05 03 252
- Checking to check the installation condition proceed as follows 252
- Outdoor unit checking the installation condition 252
- Outdoor unit checking the expansion valve 253
- Checking the thermistors 254
- Resistance conversion table ambient coil fin 255
- R3t resistance conversion table discharge pipe sensor 256
- Evaluation of abnormal high pressure 257
- Evaluation of abnormal low pressure 258
- Checks 259
- Clogged points 259
- Outdoor unit fan motor signal line 260
- Outdoor unit fan speed pulse 261
- Outdoor unit check for power transistor 262
- Esie05 03 additional checks for troubleshooting 263
- Measure the voltage dc between pins 2 and 3 of the connector 263
- Outdoor unit check low pressure sensor 263
- Part 3 troubleshooting 3 115 263
- Part 4 commissioning and test run 265
- Part 4 267
- Pre test run checks 267
- What is in this chapter 267
- Test run checks 268
- Setting the wireless remote controller 269
- Field settings 273
- Part 4 273
- What is in this chapter 273
- How to change the field settings with the wired remote controller 274
- How to change the field settings with the wireless remote controller 276
- Overview of the field settings on the indoor units 277
- Overview of the factory settings on the indoor units 278
- Main sub setting when using two remote controllers 279
- Setting the centralized group no 280
- 18 part 4 commissioning and test run 282
- Field settings esie05 03 282
- Inspection level 282
- Introduction the three field setting levels are 282
- Maintenance mode settings 282
- Monitoring level 282
- The field setting levels 282
- The flow chart below explains the different windows of the inspection level 282
- The inspection level the inspection level is the highest level of the three field setting levels you can change the views in the inspection level by pressing the inspection test button 282
- Overview of the field settings on the outdoor units 285
- Overview of the factory settings on the outdoor units 287
- Silent operation 288
- Silent operation by automatic control 288
- External activation from optional pcb 289
- I demand function 290
- Setting for low humidity application 292
- Defrost start setting 298
- Part 4 299
- Test run and operation data 299
- General operation data 300
- Air flow rate high 303
- Conditions the illustrations in this section are based on the following conditions 303
- Equivalent piping length 7 m 303
- Esie05 03 test run and operation data 303
- Level difference 0 m 303
- Operation range 303
- Operation range cooling the illustration below shows the operation range 303
- Operation range heating the illustration below shows the operation range 303
- Part 4 commissioning and test run 4 39 303
- Part 5 disassembly and maintenance 305
- Disassembly and maintenance outdoor units 307
- Part 5 307
- What is in this chapter 307
- Rzq71 140b 308
- Removal of outside panels 309
- Removal of propeller fan and fan motor 310
- Removal of switch box 311
- Removal of pc board ass y 1 313
- Removal of pc board ass y 2 315
- Removal of low pressure sensor electronic expansion valve and others 316
- For the suction pipe thermistor pull this thermistor frontward and then remove it 317
- Removal of thermistor 317
- Removal of four way valve 318
- Removal of compressor 319
- Esie05 03 321
- Index i 321
- Numerics 321
- Symbols 321
- Esie05 03 322
- Ii index 322
- Esie05 03 323
- Index iii 323
- Esie05 03 324
- Iv index 324
- Esie05 03 325
- Index v 325
- Esie05 03 326
- Vi index 326
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