Panasonic CU-E18CKR Service Manual page 50

4. Auto clean deice time chart
Similar to deice operation 2 except for frequency values.
A. Detection methods
Outdoor heat exchanger temp. sensor, timer, indoor air temp.
sensor.
B. Deice operation control time chart.
Notes
1. During deice operation, the relationship between outdoor pipe
temperature and time T1 is such proceed to next operation.
2. The deice will be performed only after 1 hour from when the
operation has started.
3. When Comp. OFF by the sequence No. 1, 6, 7 compressor can
restart back without 3 minutes waits (immediate restart).
Outdoor heat exchanger pipe temperature