Haier HSU-09HS03/R2DB, HSU-12HS03/R2DB service manual Slo

Domestic Air Conditioner	HSU-12HS03/R2(DB)
	Model: HSU-09HS03/R2(DB)

The maximum frequency value refers to the max value listed above.

The maximum and minimum values for cooling and heating are the maximum and minimum values for correspondent items.

2.4.7 Controlled frequency for the same level

The indicated frequency when a level remains unchanged after the compressor operates with the same frequency for 3 minutes.

The timing will start again when there is a different frequency input. If the temperature level remains unchanged for 3 minutes, the indicated frequency will change again (add FQUPH or FQUPL)

Controlling form for the same level

		Levels of temperature change
A B	C	D	E	F	G	H
Heating
Cooling
moisture
removing

2-4-8. Select the wind volume when it is set automatic

When the wind volume is automatic, it can be switched between strong, medium and weak according to the temperature adjusting levels.

Wind volume under the automatic wind volume mode

			Temperature adjusting levels
	A	B	C	D	E	F	G	H	I
Heating	Str	Stro	Stro	Stro	Stron	Med	Wea	Wea	SLO
	on	ng	ng	ng	g	ium	k	k
	g
cooling		Stro	Stro	Stro	Medi	Med	Wea	Wea	Weak
		ng	ng	ng	um	ium	k	k
Moisture		Stro	Med	Med	Medi	Wea	Wea	SLO	SLO
removing		ng	ium	ium	um	k	k

2-5. Frost removing

Under the intensive-running protection mode, the protection control will be in priority

The compressor does not stop

Under heating operation mode, the outdoor unit sends a frost-removing signal (I21=10) and the indoor unit will start the frost-removing control until the outdoor unit transmits the signal to end the frost-removing. Then the indoor unit starts the heating operation, indication levels and wind volume control will operate following the heating temperature levels.

2-6. Wind volume limit

. When the compressor is working and the max setting for indoor blower fan is medium , the upper limit of indicated frequency is as follows:

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