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ESIE09-08A
iv
Table of Contents
Board199
3.49 “
LH
” Indoor Unit: Converter Error ...................................................................200
3.50 “
P1
” Outdoor Unit: High Voltage of Capacitor in Main Inverter Circuit .........201
3.51 “
P1
” Indoor Unit: High Voltage of Capacitor in Main Inverter Circuit............202
3.52 “
PJ
” Indoor Unit: Faulty Combination of PCB ...............................................203
3.53 “
U0
” Low Pressure Drop Due to Refrigerant Shortage or Electronic Expansion
Valve Failure204
3.54 “
U2
” Power Supply Insufficient or Instantaneous Failure................................206
3.55 “
U2
” Power Supply Insufficient or Instantaneous Failure................................208
3.56 “
U4
” Malfunction of Transmission between Indoor Unit and Outdoor Unit ...210
3.57 “
U4
” Malfunction of Transmission Indoor Unit...............................................212
3.58 “
U5
” Malfunction of Transmission between Remote Control and Indoor Unit .....
213
3.59 “
U7
” Indoor Unit: Malfunction of Transmission Outdoor Unit........................214
3.60 “
U8
” Malfunction of Transmission between Main and Sub Remote Controls.215
3.61 “
UA
” Communication Error between Outdoor Unit and Indoor Unit...............216
3.62 “
UF
” System is not Set yet ................................................................................217
3.63 “
UH
” Malfunction of System, Refrigerant System Address Undefined ...........218
Part 8 - Appendix ........................................................................ 223
3. Thermistor Resistance / Temperature Characteristics .................................... 251
4. Pressure Sensor ............................................................................................... 254
5. Method of Replacing the Inverter’s Power Transistors Modules ................... 255
6. External Backup Heater Kit ............................................................................ 258
Troubleshooting by Indication on the Remote Controller ................................265
Troubleshooting: General Symptoms ...............................................................266
Troubleshooting Overview 3-Way Valve.........................................................274
How to Verify If 3-Way Valve is Installed Correctly ......................................275
Part 9- Precautions for New Refrigerant (R-410A) ....................279
1. Precautions for New Refrigerant (R-410A) .................................................... 280
1.2
Summary of Contents for ALTHERMA HT ERSQ 011 AA
Page 2: ......
Page 7: ...ESIE09 08A Table of Contents v 1 3 Service Tools 283 Index i Drawings Flow Charts iii...
Page 16: ...Model Names of Indoor Outdoor Units Tanks ESIE09 08A 4 General Information...
Page 28: ...Refrigerant Circuit ESIE09 08A 16 Refrigerant Circuit EKHBRD 011 014 016 AB AC V1 Y1...
Page 40: ...Functional Parts Layout ESIE09 08A 28 Refrigerant Circuit...
Page 63: ...ESIE09 08A PCB Layout for EKHBRD 011 014 016 AA AB AC V1 Y1 Refrigerant Circuit 51...
Page 64: ...PCB Layout for EKHBRD 011 014 016 AA AB AC V1 Y1 ESIE09 08A 52 Refrigerant Circuit...
Page 125: ...ESIE09 08A Field Setting Test Operation 113...
Page 232: ...Troubleshooting by Indication on the Remote Controller ESIE09 08A 222 Troubleshooting...
Page 237: ...ESIE09 08A Piping Diagrams Appendix 227 EKHBRD 011 014 016 AB AC V1 Y1...
Page 250: ...Wiring Diagrams ESIE09 08A 240 Appendix EKHBRD 011 014 016 AB AC V1...
Page 251: ...ESIE09 08A Wiring Diagrams Appendix 241...
Page 256: ...Wiring Diagrams ESIE09 08A 246 Appendix EKHBRD 011 014 016 AB AC Y1...
Page 257: ...ESIE09 08A Wiring Diagrams Appendix 247...
Page 260: ...Wiring Diagrams ESIE09 08A 250 Appendix...