Toshiba RAV-SM561BT-E, RAV-SM1400AT-E, RAV-SM1101BT-E Defrost control, Start of heating operation

11. Defrost control

•In heating operation, defrost operation is performed when TE sensor temperature satisfies any condition in A zone to D zone.

‚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.

ƒAfter defrost operation has finished, the compressor and the outdoor fan start heating operation after stopped for approx. 50 seconds.

Start of heating operation

0	10	15	c	b	a	d [min]
TE [˚C]
–5
						A zone
–10
–13					B zone
–18		*					D zone
					C zone

* The minimum TE value between 10 and 15 minutes after heating operation has started is stored in memory as TE0.

A zone		Defrost operation is performed in this zone when TE0-TE ≥		3 continued for T seconds.
B zone		Defrost operation is performed in this zone when TE0-TE ≥		3 continued for T seconds.
C zone		Defrost operation is performed when this zone continued for T seconds.
D zone		Defrost operation is performed when this zone continued for T seconds.
		SM560	SM800, SM1100, SM1400
a	28		34
b	28		40
c	28		55
d	60		90
T	120		20

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