Brief Description Of Modes And Functions - Gree Dettson LOMO 19 Installation Manual

Service Manual

6.4 Brief Description of Modes and Functions

1. Basic function of system
(1) Cooling mode
(1) Under this mode, fan and swing operates at setting status.
Temperature setting range is 60.8~86.0
(2) During malfunction of outdoor unit or the unit is stopped
because of protection, indoor unit keeps original operation status.
(2) Drying mode
(1) Under this mode, fan operates at low speed and swing
operates at setting status. Temperature setting range is
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60.8~86.0 F.
(2) During malfunction of outdoor unit or the unit is stopped
because of protection, indoor unit keeps original operation status.
(3) Protection status is same as that under cooling mode.
(4) Sleep function is not available for drying mode.
(3) Heating mode
(1) Under this mode, Temperature setting range is 60.8~86.0
(2) Working condition and process for heating mode:
When turn on the unit under heating mode, indoor unit enters into
cold air prevention status. When the unit is stopped or at OFF
status, and indoor unit has been started up just now, the unit
enters into residual heat-blowing status.
(4) Working method for AUTO mode:
1. Working condition and process for AUTO mode:
a. Under auto mode set temperature can be adjusted. The unit
switch mode automatically according to ambient temperature.
2. Protection function
a. During cooling operation, protection function is same as that
under cooling mode.
b. During heating operation, protection function is same as that
under heating mode.
3. Display: Set temperature is the set value under each condition.
Ambient temperature is (Tamb.-Tcompensation) for heat pump
unit and Tamb. for cooling only unit.
4. If there's I feel function, Tcompensation is 0. Others are same
as above.
(5) Fan mode
Under this mode, indoor fan operates at set fan speed.
Compressor, outdoor fan, 4-way valve and electric heating tube
stop operation. Indoor fan can select to operate at high, medium,
low or auto fan speed. Temperature setting range is 60.8~86.0
2. Other control
(1) Buzzer
Upon energization or availably operating the unit or remote
controller, the buzzer will give out a beep.
Technical Information
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(2) Auto button
If press this auto button when turning off the unit, the complete
unit will operate at auto mode. Indoor fan operates at auto fan
speed and swing function is turned on. Press this auto button at
ON status to turn off the unit.
(3) Auto fan
Heating mode: During auto heating mode or normal heating ode,
auto fan speed will adjust the fan speed automatically according
to ambient temperature and set temperature.
(4) Sleep function
After setting sleep function for a period of time, system will adjust
set temperature automatically.
(5) Timer function
General timer and clock timer functions are compatible by
equipping remote controller with different functions.
(6) Memory function
Memorize compensation temperature, off-peak energization
value.Memory content: mode, up&down swing, light, set
temperature, set fan speed, general timer (clock timer can't be
memorized). After power recovery, the unit will be turned on
automatically according to memory content.
(7) Health function
During operation of indoor fan, set health function by remote
controller. Turn off the unit will also turn off health function.
Turn on the unit by pressing auto button, and the health is
defaulted ON.
(8) I feel control mode
After controller received I feel control signal and ambient
temperature sent by remote controller, controller will work
according to the ambient temperature sent by remote controller.
(9) Compulsory defrosting function
a. Start up compulsory defrosting function
Under ON status, set heating mode with remote controller
and adjust the temperature to 60.8
(▲,▼,▲,▼,▲,▼,)" button successively within 5s and the
complete unit will enter into compulsory defrosting status.
Meanwhile, heating indicator on indoor unit will ON 10s and OFF
0.5s successively. (Note: If complete unit has malfunction or
stops operation due to protection, compulsory defrosting function
can be started up after malfunction or protection is resumed.
b. Exit compulsory defrosting mode
After compulsory defrosting is started up, the complete unit will
exit defrosting operation according to the actual defrosting result,
and the complete unit will resume normal heating operation.
(10) Refrigerant recovery function:
a. Enter refrigerant recycling function
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F. Press "+, -, +, -, +,-
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