Thermostat Control - Daikin FTXS30HVJU Service Manual

SiUS04-924
1.6

Thermostat Control

Thermostat control is based on the difference between the room temperature and the set point.
Thermostat OFF Condition
 The temperature difference is in zone A.
Thermostat ON Condition
 The temperature difference is above zone C after being in 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 zone B.
Cooling / Dry
Heating
18
(Cooling / Dry : 10 minutes, Heating : 10 seconds)
–2.7˚F(–1.5˚C)
2.7˚F(1.5˚C)
ON
C
B
A
OFF
OFF
A
B
C
ON
Room temperature – set point
Cooling : –0.9˚F(–0.5˚C)
Dry : –0.9˚F(–0.5˚C)
Cooling : –3.6˚F(–2.0˚C)
Dry : –4.5~–3.6˚F(–2.5~–2.0˚C)
(R9857)
Room temperature – set point
3.6˚F(2.0˚C)
0.9˚F(0.5˚C)
(R9858)
Function and Control
Main Functions