Low Indoor Room Temperature Protection; Enter Forced Operation Function; Forced Operation Function; Timer Function - Kaisai KFU-09HRDN1-QRC8W Service Manual

Kaisai 12f inverter series split type air conditioners
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8.4.5.3

Low indoor room temperature protection

In drying mode, if room temperature is lower than 10℃, the compressor will stop and not resume until
room temperature exceeds 12℃.
8.4.5.4
Evaporator anti-freezing protection, condenser high temperature protection and outdoor unit
frequency limit are active and the same as that in cooling mode.
8.4.5.5
The outdoor fan operates the same as in cooling mode.
8.4.6

Forced operation function

8.4.6.1

Enter forced operation function:

When the machine is off, pressing the touch button will carry the machine to forced auto mode. If
pressing the button once again within 5 seconds, the machine will turn into forced cooling mode.
In forced auto, forced cooling or any other operation mode, pressing touch button will turn off the
machine.
8.4.6.2
In forced operation mode, all general protections and remote control are available.
8.4.6.3
Operation rules:
Forced cooling mode:
The compressor runs at F2 frequency and indoor fan runs as breeze. After running for 30 minutes. the
machine will turn to auto mode as 24℃ setting temperature.
Forced auto mode:
The action of forced auto mode is the same as normal auto mode with 24℃ setting temperature.
8.4.7

Timer function

8.4.7.1
Timing range is 24 hours.
8.4.7.2
Timer on. The machine will turn on automatically when reaching the setting time.
8.4.7.3
Timer off. The machine will turn off automatically when reaching the setting time.
8.4.7.4
Timer on/off. The machine will turn on automatically when reaching the setting "on" time, and
then turn off automatically when reaching the setting "off" time.
8.4.7.5
Timer off/on. The machine will turn off automatically when reaching the setting "off" time, and
then turn on automatically when reaching the setting "on" time.
8.4.7.6
The timer function will not change the AC current operation mode. Suppose AC is off now, it
will not start up firstly after setting the "timer off" function. And when reaching the setting time, the
timer LED will be off and the AC running mode has not been changed.
8.4.7.7
The setting time is relative time.
T1-Ts
2.5
F7
2.0
1.5
F5
1.0
0.5
F3
0.0
F1
49

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