48
Multi VRF Indoor
Unit Service Manual
CONTROL
No. Button(s) Function(s)
1 Enter/Cancel
1. Function selection and cancellation
2. Press it for 5s to examine the outdoor ambient temperature.
2
1.Running temperature setting of the indoor unit, range:16~30
2.Timer setting, range:0.5-24HR
3.Switchover between quiet/auto quiet or among sleep1/ sleep2 / sleep3
6
3 Fan Setting of the high/middle/low/auto fan speed
4 Mode Setting of the Cooling/Heating/Fan/Dry mode of the indoor unit
5 Function
Switchover among the functions of Swing/Sleep/Turbo/
Master/Save/E-heater/Blow /Quiet etc.
7 Timer Timer setting
8 On/Off Turn on/off the indoor unit
4 +2
Press them for 5s under off state of the unit to enter/cancel the Memory function
(If memory is set, indoor unit after power failure and then power recovery will resume
the original setting state. If not, the indoor unit is defaulted to be off after power recovery.
Memory Off is factory defaulted.)
3 + 6
By pressing them at the same time under off state of the unit,
will be
displayed on the wired controller for the cooling only unit, while
will be
displayed on the wired controller for the cooling and heating unit.
2 + 6
Upon startup of the unit without malfunction or under off state of the unit, press them
at the same time for 5s to enter the lock state, in which case, any other buttons won’t respond
the press. Repress them for 5s to quit this state.
4 + 5 Mode + Function
1.By pressing them under off state of the unit at the same time, the address of
the wired controller will be displayed at once;
2. By pressing them for 5s under off state of the unit at the same time,
the address setting is available.
1 + 5 Enter/Cancel + Function By pressing them simultaneously, the address of the master wired controller will be displayed.
2 + 5
By pressing them for 5s under off state of the unit at the same time,
the control of the master wired controller can be canceled.
4+6
When the unit is turned off, press them for 5 seconds simultaneously, display panel will switch
between
and .
5+6
In any conditions, press them for 5 seconds to review status. Under reviewing status,
Timer display area will show the serial number of error and error code.
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