Thermostat Control - Daikin 2MXS-W Series Service Manual

Functions for Wall Mounted / Floor Standing Type
FVXS Series
Ex: When the target temperature is 25°C (77°F)
Cooling → 23°C (73.4°F): Thermostat OFF → 22°C (71.6°F): Switch to heating
Heating → 26.5°C (79.7°F): Thermostat OFF → 27.5°C (81.5°F): Switch to cooling
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
Heating
CTXS, FTXS Series
60
Target temperature – 2.0°C (–3.6°F)
= Thermostat OFF
Target temperature – 3.0°C (–5.4°F)
(Cooling: 10 minutes, Heating: 10 seconds)
Zone C Zone C
–1.0°C (–1.8°F)
Zone B Zone B
–2.0°C (–3.6°F)
Zone A Zone A
Zone A Zone A
2.0°C (3.6°F)
Zone B Zone B
1.5°C (2.7°F)
Zone C Zone C
Cooling Operation
Heating Operation
Room thermistor temperature – target temperature
ON ON
–0.5°C (–0.9°F)
–1.5°C (–2.7°F)
OFF OFF
Room thermistor temperature – target temperature
OFF OFF
2.0°C (3.6°F)
1.0°C (1.8°F)
0.5°C (0.9°F)
ON ON
SiUS122226E
Target temperature + 2.5°C (+4.5°F)
Target temperature + 1.5°C (+2.7°F)
= Thermostat OFF
(R22000)
(R24031)
(R24033)
Part 4 Functions and Control