SiUS121827E
Control Specification
Part 4 Functions and Control
111
4.7 Freeze-up Protection Control
4.7.1 Freeze-up Protection Control (Except FDMQ Series)
Applicable
Models
FTXR09/12/18TVJUW(S)
CTXG09/12/18QVJUW(S)
CTXS07LVJU
FTXS09/12/15/18/24LVJU
FDXS09/12LVJU
CDXS15/18/24LVJU
FVXS09/12/15/18NVJU
FFQ09/12/15/18Q2VJU
Outline
During cooling operation, the signal sent from the indoor unit determines the frequency upper limit
and prevents freezing of the indoor heat exchanger. The signals from the indoor unit is divided into
zones.
Details
The operating frequency limitation is judged with the indoor heat exchanger temperature.
R4003451
Reset zone
Up zone
Keep zone
Dropping zone
Stop zone
13°C (55.4°F)
9.5°C (49.1°F)
5.5°C (41.9°F)
0°C (32°F)
7.5°C (45.5°F)
(Reference)
Indoor heat exchanger
temperature (R2T)
Содержание 4MXL-T Series
Страница 107: ...SiUS121827E SA Indoor Unit Functions Part 4 Functions and Control 101 FFQ Series Emergency operation switch R24077 ...
Страница 182: ...Troubleshooting for RA Indoor Unit SiUS121827E 176 Part 6 Service Diagnosis Reference Check No 11 Refer to P 235 ...
Страница 190: ...Troubleshooting for SA Indoor Unit SiUS121827E 184 Part 6 Service Diagnosis Reference Check No 02 Refer to P 233 ...
Страница 249: ...SiUS121827E Check Part 6 Service Diagnosis 243 R6000583 1 2 3 4 Multimeter Front side Rear side ...
Страница 288: ...Piping Diagrams SiUS121827E 282 Part 8 Appendix 1 2 Outdoor Unit 5MXS48TVJU 4MXL36TVJU 3D117817 3D118311 ...
Страница 298: ...Operation Limit SiUS121827E 292 Part 8 Appendix 4 Operation Limit 5MXS48TVJU 4MXL36TVJU 3D048149D 3D101428 ...