– 64 –
8. Defrost control
Q
In heating operation, defrost operation is performed when TE sensor temperature satisfies any
condition in A zone to D zone.
R
The defrost operation is immediately finished if TE sensor temperature has become 12°C or more, or
it also is finished when condition of 7°C
≤
TE < 12°C has continued for 1 minute. The defrost operation
is also finished when defrost operation has continued for 10 minutes even if TE sensor temperature
has become 7°C or lower.
S
After defrost operation has finished, the compressor and the outdoor fan start heating operation after
stopped for approx. 50 seconds.
Start of heating operation
a
b
c
d
T
SM560
28
28
28
60
120
A zone
B zone
C zone
D zone
Defrost operation is performed in this zone when TE0-TE
≥
3 continued for T seconds.
Defrost operation is performed in this zone when TE0-TE
≥
3 continued for T seconds.
Defrost operation is performed when this zone continued for T seconds.
Defrost operation is performed when this zone continued for T seconds.
0
10
15
c
b
a
d
[min]
*
TE [ºC]
–5
–10
–13
–18
A zone
B zone
C zone
D zone
A zone
B zone
C zone
D zone
* The minimum TE value between 10 and 15 minutes after heating operation has started is stored in memory as TE0.
SM800
34
40
55
90
120
Summary of Contents for RAV-SM560AT-E
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