Haier D Series User Manual

Functions and control
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Domestic air conditioner
When heating, it is needed to satisfy
F-MIN-r (compressor’s Min_hz)< F<F-MAX-r (compressor’s Max_hz)
7.1.2 The outdoor fan control (Exchange fan)
When the fan is changed among every airflow speed (including stop blowing), in order to avoid the
airflow speed from skipping frequently, it must be kept under each mode for over 30 seconds, and then
it can be changed to another mode (when refrigerating, the time is changed to 15 seconds).
7.1.2.1 The outdoor DC fan control
During the compressor is started for 3 seconds, the outdoor fan is controlled the airflow speed
according to the temperature conditions of the outdoor environment.
Tao˄ć˅ Tao<ć ćTaoć Taoı29ć
Cool/Dry Level3 Level5 Level7
Tao˄ć˅ Tao<ć ćTaoć Taoıć
Heat Level7 Level5 Level3
After the compressor is started for 3 seconds, the outdoor fan is controlled the airflow speed
according to the temperature conditions of the outdoor environment and frequency of compressor.
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Frequency of cooling mode˄Hz˅
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51ī70 ı70
Tao˄ć˅
İ
Level3 Level5 Level6
22ī
Level4 Level6 Level7
ı
Level7
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Frequency of heat mode˄Hz˅
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51ī90 ı
Tao˄ć˅
İ
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Level5 Level7 Level7
10
ī
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Level4 Level5 Level5
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Level2
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7.1.3 Four way control
For the details of defrosting four-way valve control, see the defrosting process.
Four way working in other ways:
Under the mode of heating, open the four-way valve, when the compressor is not started or
changed to non-heating mode, make sure the compressor is stoped for 2 minutes, and then close the
four-way valve.
7.1.4Protection function
7.1.4.1 TTC high temperature-preventing protection
Once the machine is started, it can run TTC(air-blowing temp) overheating protection of
air-blowing, but air-blowing sensor malfunction must alarm after 4 minutes during which the
compressor is started (during the course of self-detection, there’s no such limitation)
Sensor detection methods: 100 times (one cycle of procedure run is one time, and about 5ms,
detection method for each time: continuously sampling for 8 times, then order them and take the mean

Haier D Series Specifications

General

Brand	Haier
Model	D Series
Category	Air Conditioner
Language	English