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5.14 Field Functions
Under off-state of the unit, press Function and Timer buttons continuously for 5s to go to the
debugging menu. Press Mode button to adjust the setting items and ▲ or ▼ button to set the actual
value.
5.14.1 Ambient Temperature Sensor Setting
In field setting mode, press Mode button to adjust the temperature displayed location displaying 00,
and press ▲ or ▼ button to adjust setting state at timer displayed location. There are 3 types for
selection:
⑴ Indoor ambient temperature is that at return air inlet (01 is displayed at timer displayed location)
⑵ Indoor ambient temperature is that at the place of screen (02 is displayed at timer displayed location)
⑶ Return air inlet temperature sensor shall be selected for cooling, dry and fan modes and wired
controller temperature sensor (03 is displayed at timer displayed location) shall be selected for heating
and auto modes.
5.14.2 Three Grades of Speed for Indoor Fan
In field setting mode, press Mode button to adjust the temperature displayed location displaying 01
and press ▲ or ▼ button to adjust setting state at timer displayed location. There are 2 types for
selection:
⑴ 3 low grades (LCD displays 01)
⑵ 3 high grades (LCD displays 02)
Three low grades indicate high, medium and low grades and 3 high grades indicate super-high,
high and medium grades.
Press Enter/Cancel button to save the setting and quit after setting. If there is not any operation
within 20s after the system responds to the last button operation in this interface, the system will quit
this menu and display normal off-state; meanwhile, current setting won’t be saved.
5.15 Other Functions
5.15.1 Lock Function
Upon startup of the unit without malfunction or under off-state of the unit, press ▲ and ▼buttons
at the same time for 5s till the wired controller enters lock state. In this case, LCD displays:
.
After
that, repress these two buttons at the same time for 5s to quit lock state.
Under lock state, any other buttons won’t give any response to the press.
5.15.2 Memory Function
Memory switchover: Under off-state of the unit, press Mode and ▲ buttons at the same time for
5s to switch memory modes. During setting memory mode, Memory will be displayed. If this function
is not set, the unit will be under off state after power failure and then power recovery.
Memory recovery: If memory mode has been set for wired controller, the wired controller after
power failure will resume its original running state upon power recovery.
Note:
It will take about 5 seconds to save all the information, therefore, please do not cut down the power
at this time, or it may fails.
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