Daikin RZQ Series FCQ20EVA Service Manual page 39

Heat pump r410a 60hz
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SiME281501E
 Heating
Set temperature (˚C)
30
28
26
24
Suction air thermistor
Suction air thermistor
22
Suction air thermistor
Suction air thermistor
20
18
16
15
12
14
4.1.8 Program Dry Operation Function
According to a difference between the temperature detected when dry operation is started and the actually
detected room temperature (1), the thermostat is turned ON or OFF.
Temperature
Thermostat ON
Thermostat OFF
Tro: Room air temperature detected when dry operation is started
Tr: Room thermistor temperature (detected by room temperature thermistor)
ΔT:
Detected room temperature (Tr) – Room air temperature at the startup (Tro)
∗4: This value varies according to the models.
Note:
1: The thermistor to detect room temperature is as follows according to field setting.
a. Factory setting:
b. When set to remote controller thermistor: Room temperature thermistor in the remote controller
Function and Control
Room temperature
Room temperature
thermistor
thermistor
Room temperature
Room temperature
thermistor
thermistor
16
18
20
22
24
26
Dry operation startup
ΔT
Differential
1.0 or 1.5ºC (∗4)
ΔT < -1.0 or 1.5ºC (∗4)
Dry operation
Suction air
Suction air
thermistor
thermistor
Suction air
Suction air
thermistor
thermistor
28
30
32
34
Suction air temperature (˚C)
(Tro: Room air temperature at the startup)
Tr
∗3
Dry operation
Thermo. OFF
(∗3)
Thermostat OFF
ΔT ≥ 0
(∗2)
Suction air thermistor in the indoor unit
Function Details
∗2
Dry operation
Time
30

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