Functions for FTXR Series
SiUS092230EA
46
Part 4 Functions and Control
Reference
2.5 Thermostat
Control
Outline
Thermostat control is based on the difference between the room thermistor temperature and the
target temperature.
Details
Thermostat OFF Conditions
The temperature difference is in the zone A.
Thermostat ON Conditions
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: 10 minutes, Heating: 10 seconds)
Cooling
Heating
Refer to Temperature Control on page 40 for details.
Zone B
Zone B
Zone A
Zone A
OFF
OFF
ON
ON
Zone C
Zone C
Room thermistor temperature – target temperature
–1.0°C (–1.8°F)
–2.0°C (–3.6°F)
(R24031)
–0.5°C (–0.9°F)
–1.5°C (–2.7°F)
Zone B
Zone B
Zone A
Zone A
OFF
OFF
ON
ON
Zone C
Zone C
1.5°C (2.7°F)
0.5°C (0.9°F)
0°C (0°F)
1.0°C (1.8°F)
Room thermistor temperature – target temperature
(R24032)
Summary of Contents for RX-W Series
Page 1: ... Applied Models Inverter Pair Heat Pump Service Manual SiUS092230EA Inverter Pair RX W Series ...
Page 207: ...SiUS092230EA Check Part 6 Service Diagnosis 201 15 18 24 class R25105 1 2 3 4 Multimeter ...
Page 209: ...SiUS092230EA Check Part 6 Service Diagnosis 203 15 18 24 class R20704 W V U DC_P1 DC_N1 ...
Page 239: ...SiUS092230EA Piping Diagrams Part 8 Appendix 233 RX24WMVJU9 3D141502 ...
