14
Technical Information
Service Manual
5.2 Brief Description of Modes and Functions
A
B
C
B
C
A
1.Cooling Only
(1) Under this mode, fan and swing run at preset status, the temperature setting range is 16-30
ć
.
(2) Under malfunction for outdoor unit and protection stop, the indoor unit runs with the original status, and display malfunction.
(3) The indoor fan stops when the modes conflict with each other.
2. Dry Mode
(1) Under this mode, the indoor fan runs with low speed, and swing runs at preset status, the temperature setting range is 16-30
(2) Under malfunction for outdoor unit and protection stop, the indoor unit runs with the original status, and display malfunction.
3. Heating Mode
(1) Under this mode, the temperature setting range is 16-30
ć
.
(2) Working condition and Process of Heating
When the unit is ON and in heating mode, indoor fan starts cold air prevention operation; when the unit is off and the
indoor fan stopped before, it blows residual heat.
(3) Protection Function. The compressor stops as the malfunction (including any temperature sensor malfunction) in
heating mode, the indoor fan runs with blowing residual heat
(4) Defrosting and Oil Return
Once defrosting singnal of outdoor unit is received,Heating indicator on indoor unit OFF 0.5s and ON 10s.
ć
.
4. Working Methods of Auto Mode
(1) When Tamb.≥26
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, it operates in Cool mode.
(2) For heat pump unit, when Tamb.≤22
ć
, it operates in Heat mode.
(3) When 22
ć
< Tamb.< 26
ć
, it operates in auto fan mode upon initial startup of the unit. When changing to auto mode from
other modes, it will keep the previous operation mode (when it enter Dry mode, it operates in auto fan mode.).
5. Fan Mode
Only indoor fan operates in Fan mode. Under auto fan speed, it runs in cooling auto fan mode.
I. Basic Operation Mode
1. Cool; 2.Dry; 3.Heat; 4.Auto; 5.Fan
II. Basic Functions
indoor temperature---target temperature
target temperature---indoor temperature
With compressor capacity supplied
With no compressor capacity supplied
Cooling
operation
Heating
operation
Cooling
operation
