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8. Easy maintenance function
Maintenance data, such as the indoor/outdoor unit’s heat exchanger temperature and compressor operation current can be displayed with “Smooth maintenance”.
* This cannot be executed during test operation.
* Depending on the combination with the outdoor unit, this may not be supported by some models.
F1
F2
F3
F4
Check menu
Cursor
Service menu:
Error history
Diagnosis
Smooth maintenance
Request code
Smooth maintenance
Begin:
Smooth maintenance
Exit:
Ref.address
Stable mode
Cursor
Ref.address
Stable mode
Stabilization→Collecting
Cool
/ Heat/ Normal
Address
Cool
/ Heat/ Normal
Smooth maintenance
Return:
Smooth maintenance
Return:
Smooth maintenance
Return:
Page
Page
Page
COMP. current
COMP. run time
COMP. On / Off
COMP. frequency
A
Hz
Hr
times
Hr
Ref. address
Cool
Ref.address
Cool
Ref.address
Cool
Sub cool
OU TH4 temp.
OU TH6 temp.
OU TH7 temp.
IU air temp.
IU HEX temp.
IU filter time
1
2
3
• Select “Service” from the Main menu, and press the [SELECT] button.
• Select “Check” with the [F1] or [F2] button, and press the [SELECT] button.
• Select “Smooth maintenance” with the [F1] or [F2] button, and press the
[SELECT] button.
Select each item.
• Select the item to be changed with the [F1] or [F2] button.
• Select the required setting with the [F3] or [F4] button.
“Ref. address” setting ………. “0” - “15”
“Stable mode” setting……….. “Cool” / “Heat” / “Normal”
• Press the [SELECT] button, fixed operation will start.
* Stable mode will take approx. 20 minutes.
The operation data will appear.
The Compressor-Accumulated operating (COMP. run) time is 10-hour unit, and the
Compressor-Number of operation times (COMP. On/Off) is a 100-time unit (fractions
discarded)
Navigating through the screens
• To go back to the Service menu................[MENU] button
• To return to the previous screen .......... [RETURN] button
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