Lennox LNINVE052 Service Manual page 30

Service Manual
◆ Timer ON: If timer ON is set during operation of the unit, the unit will continue to operate. If timer ON is set at unit OFF, upon ON
time reaches the unit will start to run according to previous setting status.
◆ Timer OFF: if timer OFF is set at unit OFF, the system will keep OFF status. If timer OFF is set at unit ON, upon OFF time reaches
the unit will stop operation.
◆ Timer change:
Although timer has been set, the unit still can be turned on/off by pressing ON/OFF button of the remote controller. You can also reset
the timer.
If timer ON and timer OFF are set at the same time during ON status, the unit will keep running at current status. When OFF time
reaches, the unit will stop operation. Then upon ON time reaches, the unit will start operation automatically. The unit will operate circu-
larly like this every day.
If timer ON and timer OFF are set at the same time during OFF status, the unit will keep OFF status. When ON time reaches, the unit
will start operation. Then upon OFF time reaches, the unit will stop operation automatically. The unit will operate circularly like this
every day.
(2) Emergency operation switch
If pressing this button in OFF status, the unit will operate in AUTO mode and IDU fan motor will operate at auto speed; meanwhile, the
swing motor operates. Press this button again to turn off the unit.
(3) Sleep function
In this mode, the unit will automatically select appropriate sleep curve to operate according to different set temperature.
① If sleep function is set in cooling, the system will increase set temperature automatically for operation in a certain degree.
② If sleep function is set in heating mode, the system will decrease set temperature automatically for operation in a certain degree.
(4) Turbo function
This function can be set in cooling or heating mode. When turbo function is set, the system will operate in the highest fan speed.
(5) X-FAN function
This function can be set in cooling or dry mode. When X-FAN function is set, fan motor will run for a while and then stop operation
after the unit is turned off. During X-FAN operation, press X-FAN button on remote controller again to exit X-FAN function.
(6) Indoor fan speed control
Indoor fan speed can be set in super-high, high, medium and low speed through remote controller; auto fan speed can also be set
in cooling, heating and fan mode. In auto fan speed mode, the IDU fan motor will automatically select high, medium or low speed
according to the change of ambient temperature. (Note: super-high speed is only available in cooling and heating mode).
(7) Up & down swing
① After energizing, up & down swing motor will firstly have the horizontal louver rotate anticlockwise to position 0 to close air outlet. If
swing function has not been set after turning on the unit, the horizontal louver will turn clockwise to position D in heating mode, or turn
clockwise to level position L in other modes.
② If swing function is set when starting up the unit, the horizontal louver will swing between L and D.
There are 7 swing status of horizontal louver:
◆ Positions L: corresponding setting on the remote controller:
◆ Positions A: corresponding setting on the remote controller:
◆ Positions B: corresponding setting on the remote controller:
◆ Positions C: corresponding setting on the remote controller:
◆ Positions D: corresponding setting on the remote controller:
◆ Swing between L and D, corresponding setting on the remote controller:
◆ Stop at any position between L and D (angles between L and D are equiangular); corresponding setting on the remote controller:
without display
③ Upon turning off the unit, the horizontal louver will close at position 0.
Technical Information
Emergency
Press
OFF status
operation switch
，
ON status(Auto mode)
Press
， ，
O
27