Si33-105
138
Troubleshooting R407C PLUS Series Heat Recovery System
3.28 Malfunction of Transmission
Between Remote Controller and Indoor Unit........................................184
3.29 Malfunction of Transmission Between Outdoor Units ..........................185
3.30 Malfunction of Transmission
Between Master and Slave Remote Controllers ..................................186
3.31 Malfunction of Transmission
Between Indoor and Outdoor Units in the Same System.....................187
3.32 Excessive Number of Indoor Units .......................................................188
3.33 R22 & R407C Indoor Unit - mixed Connection.....................................189
3.34 Address Duplication of Central Remote Controller...............................190
3.35 Refrigerant System not Set, Incompatible Wiring/Piping......................191
3.36 Malfunction of System, Refrigerant System Address Undefined..........192
4. Failure Diagnosis for Inverter System .................................................193
How to Use The Monitor Switch on The Inverter PC Board .................194
5. Troubleshooting (Inverter)...................................................................195
Outdoor Unit: Inverter Instantaneous Over-Current .............................196
Outdoor Unit: Inverter Thermostat Sensor, Compressor Overload ......197
Outdoor Unit: Inverter Stall Prevention, Compressor Lock ..................198
Power Supply Insufficient or Instantaneous Failure .............................201
Outdoor Unit: Inverter Over-Ripple Protection .....................................202
6. Troubleshooting (OP: Central Remote Controller) ..............................204
Address Duplication, Improper Setting.................................................208
7. Troubleshooting (OP: Schedule Timer)...............................................209
Address Duplication, Improper Setting.................................................213
8. Troubleshooting (OP: Unified ON/OFF Controller) .............................214
Operation Lamp Blinks .........................................................................214
Summary of Contents for R407C PLUS
Page 1: ...System R407C PLUS Series Heat Recovery System Si33 105 Service Manual ...
Page 11: ...Introduction Si33 105 x ...
Page 41: ...Specifications Si33 105 30 Specifications R407C PLUS Series Heat Recovery System ...
Page 147: ...Test Operation Si33 105 136 Test Operation R407C PLUS Series Heat Recovery System ...
Page 263: ...Si33 105 iv Index ...