Function of CTXS, FTXS, CDXS, FDXS, FVXS Series SiUS121502E42 Function and Control1.7 Thermostat ControlOutline Thermostat control is based on the difference between the room thermistor temperature and thetarget temperature.Detail Thermostat OFF Condition The temperature difference is in the zone A.Thermostat ON Condition The temperature difference returns to the zone C after being in the zone A. The system resumes from defrost control in any zones except A. The operation turns on in any zones except A. The monitoring time has passed while the temperature difference is in the zone B.(Cooling / Dry: 10 minutes, Heating: 10 seconds)CTXS, FTXS seriesCDXS, FDXS, FVXS seriesRefer to Temperature Control on page 34 for detail.Zone BZone AOFFONZone CRoom thermistor temperature – target temperature–1.5˚C (–2.7˚F)(R22426)Cooling : –0.5˚C (–0.9˚F)Dry : –0.5˚C (–0.9˚F)Cooling : –2.0˚C (–3.6˚F)Dry : –2.5 ~ –2.0˚C (–4.5 ~ –3.6˚F)Zone BZone BZone AZone AOFFOFFONONZone CZone C2.0˚C (3.6˚F)0.5˚C (0.9˚F)1.5˚C (2.7˚F)Room thermistor temperature – target temperature(R22427)Zone BZone AOFFONZone C1.5˚C (2.7˚F)Room thermistor temperature – target temperature0˚C (0˚F)(R22428)1.0˚C (1.8˚F)