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Soleus Air KFTHP-24 User Manual

Page 6

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TCL Air Conditioner Service Manual

6

Electronic Controller

1. Safety

Control

(1) Time Delay Safety Control

3 minutes delay for compressor---The compressor is ceased for 3minutes to balance the pressure in the

refrigeration cycle in order to protect the compressor.

2 minutes delay for 4-way valve---The 4-way valve is ceased for 2 minutes to prevent the

refrigerant-gas abnormal noise when the HEATING operation is OFF or switch to the other operation
mode.

(2) Indoor Pipe Temperature Sensor Frost Prevention Control

When the indoor pipe temperature sensor reads

32 or below for 5 minutes, the indoor pipe temperature

sensor frost prevention control starts. The compressor and outdoor fan stop and indoor fan operates at high
speed for 3 minutes. After that, if the indoor pipe temperature sensor reads less than

41 this control

prolonged until the indoor pipe temperature sensor reads

41 or more.

(3) High Temperature Protection Control

During HEATING operation, the outdoor fan motor and compressor are controlled by the indoor pipe
temperature to prevent the high temperature of compressor.
Outdoor fan OFF: when the indoor pipe temperature is
Outdoor fan ON: when the indoor pipe temperature is

118.4

Compressor OFF: when the indoor pipe temperature is
Compressor ON: when the indoor pipe temperature is

118.4

2. “I Feel” Mode Operation

(1) When the “I Feel” mode is selected, the operation mode and initial set temperature are determined by the

initial room temperature at start-up of the operation except to turn off the air conditioner and operates it
again.

(2) If the mode is change to “I Feel” mode from other mode, the “I Feel” mode doesn’t operate until compressor

stop for more than 3 minutes.








In the “I Feel” mode , when the controller receives the up or down single of temperature, the set

temperature can adjust by

33.8 upper or lower. The biggest you can adjust by

35.6 upper or lower.

3. “COOLING” Mode Operation

(1) When the COOLING mode is selected without setting temperature, the system will set the set temperature at

automatically with the AUTO FAN speed.

(2)

When selecting the COOLING mode operation, the system will operate according to the setting by the
remote controller and the operation is as following:




Mode

Initial room temperature

COOLING

DRY

HEATING for Heat Pump Type
FAN for Cooling Only Type

or more

to

77

Less than

68

Initial set temperature

73.4

This manual is related to the following products: