TCL TAC-07CHSA/XA71 Service Manual page 11

d. auxiliary electric heating is turned off for more than 30s。
e. ST-RT≥0°C;
f. RT﹤25°C;
g. IPT≤43°C;
(3) The conditions of stopping auxiliary electric heating(any one of the following conditions met, the
state stops)
a. the compressor stops
b. RT≥27°C;
c. IPT≥50°C
d. indoor fan stops。
e. running into sleeping function
5. Fan mode
1) Indoor fan motor is running at setting speed (the speed same as heating mode).
2) Vane motor control: running according to the setting condition.
3) The outdoor unit doesn't work under fan mode.
6. Sleeping mode
1) Under sleep mode, the indoor fan motor running at low speed, except the power light and sleep
light are ON, timer lights ON/OFF according to the setting state, running light OFF. LED will be OFF
after displaying 30S.
2) Temperature control:
(1) While changing from Cool mode to Sleep mode, one hour later, the operation Temp.=ST＋1°C，
another one hour later, the operation Temp.=ST＋2°C，after then the temperature has no changed
anymore.
(2) When changing from Heating mode to Sleep mode, one hour later, the operation Temp.= ST-1°C,
another one hour later, the operation Temp.=ST-2°C,after then no changed anymore.
3) The machine will automatically shut up after running 10 hours under sleep mode.
When Timer ON and Sleep mode are implemented at the same time, the Sleep mode can not be
functioned.
7. T imer function
The timer can preset between 10min to 24h, when the time set less than "10" hours, the displayed
time shown by 0.5 hour as the unit, when the time set more than or equal to "10" hours, the
displayed time shown by 1 hour as the unit.
8. Emergenc y switch (ON/OFF)
1) When stand-by, to operate by pressing the emergency switch as follows:
Press the emergency switch within 3 seconds, release emergency switch while the buzzer rings once,
the machine goes into Cooling mode. If the buzzer rings twice while release emergency switch,
Heating mode is selected. To press the Emergency switch while A/C is on, the buzzer rings once and
then A/C will shut down.
2) The machine runs mandatorily as selected mode within 30min when Emergency operated,
meanwhile indoor fan motor runs in high-speed, and stepping vane swinging as well. 30min later
the A/C goes into automatic mode under the same operation manner, the set temperature to be
23°C, and the rotate speed of indoor fan motor automatic control, stepping vane swinging all the way.
3) To press the emergency button when the A/C goes on operation, then the machine runs into
stand-by.
Air Conditioner Service Manual
10