Daikin EWYQ230DAYN Сервис мануал онлайн [394/524] 403923

Daikin EWYQ230DAYN Сервис мануал онлайн [394/524] 403923
Functional Control for a Standalone Unit ESIE06-05
2–168 Part 2 – Functional Description
3
1
2
4
5
Defrost start
condition at sensor
failure
When an abnormality occurs concerning the coil sensor, this is defined as Alarm Level. Defrost
conditions will be as stated below.
Defrost STOP
conditions
When one of the below conditions is met, recovery of the defrost cycle will occur:
1 Tr > RESET COIL TEMP (default 20° C, range 3 - 20°C)
2 HP < RESET SET PR (default 25 bar, range 21 - 30 bar)
3 T
leavingwater
< RESET OUTL TEMP (default 4°C, range 3 - 20 °C)
4 In case the defrosting time exceeds 10 min.
Defrost stop
condition at sensor
abnormality
When an abnormality occurs concerning the coil sensor, this is defined as Alarm Level. Defrost
conditions will be as stated below.
TR1
(Coil sensor)
TR 2
(coil sensor)
Defrost start conditions
For 50 ~80 HP Normal opera-
tion
Not present Standard defrost cycle
Abnormality Not present Ta < 7°C
For 30-40-90-100 HP Normal opera-
tion
Normal operation Standard defrost cycle
Normal opera-
tion
Abnormality Ta-Tr1 >= 0.4xTa+A and Tr1<0°C
Abnormality Normal operation Ta-Tr2 >= 0.4xTa+A and Tr2<0°C
Abnormality Abnormality Ta < 7°C
TR1
(Coil sensor)
TR 2
(coil sensor)
Defrost start conditions
For 40 - 80 HP Normal opera-
tion
Not present Tr >= 20°C
Abnormality Not present Timer recovery 10 min.
For 30-90-100 HP Normal opera-
tion
Abnormality Tr1>=20°C
Abnormality Normal operation Tr2>=20°C
Abnormality Abnormality Time recovery 10 min.

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