6-1. Defrost operation in heating operation stopped
If the outdoor unit is frosted when stopping the heating operation, it stops after performing the auto-
matic defrosting operation.
In this time, if the indoor unit operation lamp flashes slowly (6 sec on/2 sec off), the outdoor unit al-
low the heat exchanger to defrost, and then stop.
•
Triggering condition
When all of the following conditions are satisfied in heating operation
– Compressor operation integrating time: 30 minutes or more
– Compressor continuous operation time: 10 minutes or more
– Outdoor unit heat exchanger temperature: -4°C or less
•
Release condition
The defrost operation is released when the condition become as shown below.
Outdoor unit heat exchanger temperature
(after 1 minute or later since compressor start)
30 model
+13°C or more
34 model
+12°C or more
Compressor operation time
15 minutes
•
Flowchart
Heating operation stop
Outdoor heat exchanger temperature:
Below
-4°C
Compressor continuous operation:
Over 10 minutes
Compressor integrating operation:
Over 30 minutes
Defrost start
Defrost Indicater:
Operation lamp
7 sec on/ 2 sec off
Outdoor heat exchanger temperature:
Over +
13°C (30), +12°C (34)
or
Compressor on time: Max. 15 minutes
Defrost end
6-1. Defrost operation in heating operation stopped
- (04-19) -
6. Defrost operation control
CONTROL AND
FUNCTIONS
CONTROL AND
FUNCTIONS
Содержание AOTG30KMTC
Страница 4: ......
Страница 5: ...1 GENERAL INFORMATION 2019 06 27 SR_CH01_AS004EF_01 ...
Страница 13: ...2 TECHNICAL DATA AND PARTS LIST 2020 05 12 SR_CH02_AS004EF_05 ...
Страница 35: ...3 TROUBLESHOOTING 2020 05 08 SR_CH03_AS004EF_02 ...
Страница 38: ......
Страница 128: ...6 2 Outdoor unit 03 90 6 Thermistor resistance values TROUBLESHOOTING TROUBLESHOOTING ...
Страница 129: ...4 CONTROL AND FUNCTIONS 2020 05 08 SR_CH04_AS004EF_02 ...
Страница 132: ......
Страница 163: ...5 FILED WORKING 2019 07 24 SR_CH05_AS004EF_01 ...