27
Service Manual
Technical Information
When 9
ć
˘
Tindoor amb.
˘
11
ć
, indoor unit will operate at medium speed;
When Tindoor amb.≥11
ć
ˈ
indoor fan will operate at low speed;
When changing among low high, medium, and low speeds, the minimum operation time is 210 seconds.
2.6.5 If the unit has memory function, 8
ć
heating function will be memorized.
2.7 Energy-saving Function
2.7.1 In cooling mode, when receiving command of energy-saving sent by remote control, the controller enters energy-saving mode; If
the unit is under energy-saving mode already, such command will not be executed.
2.7.2 When remote control is set to display set temperature, “dual 8”nixie tube displays “SE”.
2.7.3 In this mode, when compressor operates, fan speed will be adjusted according to auto fan mode under energy-saving operation;
when compressor stops operation, indoor fan will operate at low speed.
a. When Tamb.≥31
ć
, indoor fan will operate at super high speed;
b. When 31
ć
˚
Tamb.≥T 3
ć
, indoor fan will operate at high speed;
c. When 1
ć
˘
Tamb.
˘
T 3
ć
ˈ
indoor fan will operate at medium speed;
d. When Tamb.≤T 1
ć
ˈ
indoor fan will operate at low speed;
Note: The switchover among superhigh speed, high speed, medium speed and low speed requires minimum 210seconds of operation.
2.7.4 In this mode, set temperature will be automatically adjusted according to actual operation conditions.
3 Other Control
3.1 Timer function
General timer and clock timer functions are compatible by equipping remote controller with different functions.
3.1.1 General Timer
Timer ON can be set at unit OFF. If selected ON time is reached, the unit will start to operate according to previous setting status. Time
setting range is 0.5-24hr in 30-minute increments.
Timer OFF can be set at unit ON. If selected OFF time is reached, the unit will stop operation. Time setting range is 0.5-24hr in
30-minute increments.
3.1.2 Clock Timer
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 operate according to previous setting status.
Timer OFF
If timer OFF is set at unit OFF, the system will keep standby status. If timer OFF is set at unit ON, upon OFF time reaches the unit will
stop operation.
Tamb.
Fan speed
Low
Med.
High
Tamb.
T 3
ć
31
℃
11
℃
9
℃
Tp
ć
Fan speed
Super high
High
Med.
Low
reset + 1
