Si18-201
System control
Main Functions
169
3.40
Protection Control of SkyAir Indoor Units
SkyAir Indoor
Unit Peak-Cut
Zone
The zones for SkyAir indoor unit peak-cut control is produced in the BP unit.
Peak-cut control
Based on the heat exchanger temperature information sent from the indoor unit, the zones are
produced to prevent abnormal rise of the high pressure.
Freeze-up prevention control
Based on the freeze-up prevention status information sent from the BP unit (indoor unit), the
zones are produced to prevent freezing-up of the indoor heat exchanger.
Even if the stop zone is reached, the zone remains as the drooping zone for 540 sec.
DCPC5 : 68˚C
DCPC4 : 56˚C
DCPC3 : 54˚C
DCPC2 : 52˚C
DCPC1 : 50˚C
Stop zone
Drooping zone
No-change zone
Increasing zone
Reset zone
(M1053)
Stop zone
Drooping zone
No-change zone
Increase zone
Reset zone
DCTO1 : 11˚C
DCTO2 : 7˚C
DCTO3 : 4˚C
DCTO4 : 2˚C
DCTO5 : 0˚C
(M1054)
Summary of Contents for BPMK928B42
Page 9: ...Si18 201 viii Table of Contents ...
Page 71: ...Specifications Si18 201 58 Specifications ...
Page 206: ...Si18 201 Remote Controller Operations 193 1 1 2 FVX25 35KZ ...
Page 207: ...Remote Controller Si18 201 194 Operations 1 1 3 FTXD25 35KZ ...
Page 208: ...Si18 201 Remote Controller Operations 195 1 1 4 FTK FTX50 60H ...
Page 209: ...Remote Controller Si18 201 196 Operations 1 1 5 FTKD FTXD50 60 71J ...
Page 214: ...Si18 201 Remote Controller Operations 201 ...
Page 216: ...Si18 201 Remote Controller Operations 203 ...
Page 217: ...Remote Controller Si18 201 204 Operations ...
Page 237: ...Method of Field Set Si18 201 224 Operating Test ...
Page 262: ...Si18 201 Troubleshooting SkyAir Indoor Unit Service Diagnosis 249 ...
Page 393: ...Wiring Diagrams Si18 201 380 Appendix FHYC35 50 60 71KVE9 3D005668C ...
Page 394: ...Si18 201 Wiring Diagrams Appendix 381 FHYC35 50 60 71KV1C9 ...
Page 395: ...Wiring Diagrams Si18 201 382 Appendix FDYM60 03FAV1 FDYM60 03FAVAL C 3D019816D OPTION ...
Page 396: ...Si18 201 Wiring Diagrams Appendix 383 FDYM60 03FAV1C ...