5. Function Menu Screen Display
34
A16381H9HL
5.12 FrostWash
Frostwash is a function that freezes and frosts the heat exchanger inside the air conditioner, then rapidly melts
degradation due to dust clogs. (*)
FrostWash can only operate when all air conditioning are stopped. As a feature, Auto-FrostWash or Manual
FrostWash are selectable.
(*)FrostWash may not eliminate all dirt, mold, or similar substances.
NOTES:
•
This function cannot be set when the indoor unit and the outdoor unit do not support this function.
•
When the air conditioner system supports FrostWash function and the function selection F1 of outdoor unit
is set, then the FrostWash is automatically enabled.
•
Depending on the outdoor unit, the settings on the outdoor unit may be required.
•
Cracking noise may be heard during freezing or defrosting phase due to temperature change. Refrigerant
recommended to set "Auto-FrostWash Schedule" when room is not occupied.
•
In humid environments, it is possible that during the FrostWash cycle mist may be discharged from the
supply air grille. This is normal.
•
The FrostWash cycle can operate only when the outdoor temperature is between 1°C and 43°C and the indoor
temperature is between 15°C and 30°C.
•
The level of dust removed depends on usage environment. In dusty environments, the FrostWash cycle may
need to be run more frequently.
•
Limitations and settings are required when using this feature in a VRF system. For more information, please
refer to the outdoor unit service manual for FrostWash function.
5.12.1 Function
(1) [Function 1] Auto-FrostWash
Auto-FrostWash Flow
FrostWash
preparation
. . .
Cooling or
other mode
Operate Stop Operate Stop
Start FrostWash
FrostWash
last FrostWash
FrostWash Completed
Stop Automatically
Approx. 3 min.*
*2: Change according
to the outdoor unit.
*3: Change according to
indoor temperature
and outdoor temperature.
*1: Advanced wired controller can set 50-400 hours.
Approx. 10 min. to 35 min.*
The total operating time is 100 hours*
(Default setting)
Cooling or
other mode
•
Auto-FrostWash is initially disabled in the default setting. To enable this feature, follow the outdoor unit
•
If the Auto-FrostWash is interrupted, the total operating time will be reset.
(2) [Function 2] Manual FrostWash
This function allows the FrostWash feature to be run at any time.
5.12.2 Advanced Wired Remote Controller Setting Item
•
Start FrostWash ( Page 35 )
This item is selected when performing [Function 2] Manual FrostWash.
Manual FrostWash can be performed even if Auto-FrostWash is enabled.
•
Enable/Disable Auto-FrostWash (Page 36 )
[Function 1] This is a setting to enable or disable Auto-FrostWash.
○
"Enable": FrostWash is performed automatically.
○
"Disable": The function does not work (the default setting).
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