3. Defrost Flow Chart
The defrosting shall proceed by the integrating operation time, outdoor temperature
and outdoor heat exchanger temperature as follows.
(Not defrosted for 10 minutes)
Heating operation start : Compressor ON
Outdoor heat exchanger temperature: Over 55
° F(
13
°
C)
or
Compressor ON time: Maximum 15 minutes
Defrost end
Compressor
integrating
operation:
Over 17 minutes
Compressor
integrating
operation:
Over 57 minutes
Tn < 15.8
°F(
- 9
°
C)
Tn < 23
°
F(- 5
°
C)
Compressor
integrating
operation:
Over 35 minutes
2nd and later defrost
Compressor : OFF
Outdoor fan motor : OFF
30 sec later 4-way valve : OFF
35 sec later compressor : ON
Compressor
integrating
operation:
Over 210 minutes
Integrating defrost
Defrost Indicator:
[Operation lamp]
6 sec ON / 2 sec OFF
Defrost start
Tn < 26.6
°F(
- 3
°
C)
(and after 30 minutes
in the 26.6
°F(
- 3
°
C))
Compressor
integrating
operation:
Over 210 minutes
Tn < 23
°F(
- 5
°
C)
Compressor
OFF count :
40 times
(Less than 10 minutes)
1st defrost
(and after 5 minutes
in the 23
°F(
- 5
°
C))
(and after 5 minutes
in the 23
°F(
- 5
°
C))
Integrating defrost
( OFF count defrost )
①
②
③
Tn < -77°F(-25°C)
(and after 5 minutes
in the 41°F(5°C))
Tn - Tn10 < -41°F(5°C)
( Tn < -42.8°F(6°C))
=
Tn - Tnb < -35.6°F(2°C)
( Tn < -42.8°F(6°C))
=
=
=
Ta - Tn > 41°F(5°C)
=
=
Tn10 : Temperature of continuous operation at 10 minutes.
Tnb : Back 5 minutes temperature.
Tn : Outdoor heat exchanger temperature.
Ta : Outdoor temperature.
and
=
01-22
Содержание AOU30RLXEH
Страница 4: ...1 DESCRIPTION OF EACH CONTROL OPERATION R410A WALL MOUNTED type INVERTER ...
Страница 36: ...R410A WALL MOUNTED type INVERTER 2 TROUBLE SHOOTING ...
Страница 89: ...R410A WALL MOUNTED type INVERTER 3 APPENDING DATA ...
Страница 96: ...3 1 3 Procedures to change the Function Setting 03 07 ...
Страница 120: ...3 3 17 Suenaga Takatsu ku Kawasaki 213 8502 Japan Jun 2016 Printed in Japan ...