U-Match Series DC Inverter Service Manual
20
3.2 Operation View
3.2.1 Silk Screen of Buttons
Figure 2-3-3 Silk screen of buttons
3.3.2 Instruction to Function of Buttons
Table 2-3-2 Instruction to buttons of wired controller
(1)Function selection and canceling;
(2)Press it for 5s to view the ambient temperature; press Mode button to select
viewing outdoor ambient temperature or indoor ambient temperature.
(1) Running temperature setting range of indoor unit: 16-30℃;
(2) Timer setting range: 0.5-24hr;
(3) Setting of air function level;
(4) Setting of energy-saving temperature;
(5) Setting of cleaning class.
Setting of high/medium high/medium/medium low/low/auto fan speed.
Setting of auto/cooling/heating/fan/dry mode of indoor unit.
Switch over among these functions of swing/ air/ sleep/ health/ I-Demand/
out/turbo/ save/ e-heater/ X-fan/ clean/ quiet.
Press Mode and ▲ buttons at the same time for 5s under off state of the unit to
enter/cancel memory function (If memory function is set, indoor unit will resume
original setting state after power failure and then power recovery. If not, indoor
unit is defaulted to be off after power recovery. Ex-factory setting of memory
function is on).
Upon startup of the unit without malfunction or under off state of the unit, press
▲ and ▼ buttons at the same time for 5s to enter lock state. In this case, any
other buttons won‟t respond when pressing. Repress ▲ and ▼ buttons for 5s to
quit lock state.
Enquiry and setting
of address of wired
controller
Under off state of the unit, press Mode and Function buttons at the same time for
5s to set the address. (More details please refer to project debugging)
Setting of project
parameters (More
details please refer
to the Notes)
Under off state of the unit, press Function and Timer buttons at the same time for
5s to go to the debugging menu. Press Mode button to adjust the setting items
and press ▲ or ▼ buttons to set the actual value.
Switch between
Fahrenheit and
Centigrade
Under off state of the unit, press Mode and ▼ buttons at the same time for 5s to
switch between Fahrenheit and Centigrade.
Viewing historical
malfunction
Continuously press Function and ▼ buttons for 5s to view historical malfunction.
Then press ▲ and ▼ buttons to adjust displayed contents. The timer displaying
position displays the sequence of malfunction and the detailed error code. The
5th displayed malfunction is the last malfunction.
1 Enter/
Cancel and 4
Mode
Setting of master
and slave wired
controller
Under off state of the unit, press Enter/Cancel and Mode buttons at the same
time for 5s to set master and slave wired controller. Press ▲ or ▼ button to
adjust. (More details please refer to project debugging)