–23–
6. Defrost Control
• Defrost control is available 45 minutes later since heating mode operation started, and it will not prolong over
10 minutes.
• Defrost control is carried out when the outdoor pipe temp. falls below -6°C for more than 3 minutes after 45
minutes passed from starting of heating operation.
• Defrost ends after 10 minutes passed from starting of defrost operation or when the outdoor pipe temp. rises
over 12°C after 5 minutes passed from starting of defrost.
7. Self-diagnosis Function
• 'CHECK' will flash in the remote controller display when a problem occurs. Then please contact your dealer.
• Correct the 'FAULT MESSAGES' as shown in the table below before restarting operation.
• During the normal operation 'CHECK' won't be displayed in the remote controller.
Remote controller LCD
FAULT MESSAGES
CH 01
Indoor room temperature thermistor error
CH 02
Indoor piping thermistor error
CH 03
Indoor main body / Remote controller unit communication error
CH 04
(Optional)
Water level float switch error
More than 45 minutes
of heating operation
Within
9min. 45sec.
ON
OFF
ON
ON
ON
OFF
COMPRESSOR
4-WAY VALVE
INDOOR FAN
-6
°
C ON
12
°
C OFF
The outdoor
piping Temp.
More than 10 min.
running of compressor
More than 45 minutes
of heating operation
HOT-
START
ON
Содержание LB-E4880FH
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