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General Functions
SiBE04-101
22
Main Function
Time Chart
Stop Conditions
Defrost control is ended by the conditions as follows:
When the maximum time elapses.
T
[heat exchanger]
≥
(-1˚C
×
T
[ambient outdoor]
) + 18, or T
[heat exchanger]
≥
20˚C.
Compressor
operation
frequency
4-way
valve
Cool
Warm
Fan
EVpulse
ON
OFF
Defrost
OFF
Defrost
ON
A Hz
B Hz
C Hz
76Hz
80Hz
90Hz
108Hz
35min.
3sec.
3sec.
450Pls
400Pls
450Pls
50sec.
60sec. 60sec.
280sec.
80sec.
60sec.
180sec.
300sec.
150min.
(R1016)
Minimum time
Maximum time
(including stop time)
Compressor frequency in defrosting
Class
A
B
C
T [ambient
outdoor]
≥
0˚C
2 min.
approx. 9 min.
50
74
84
90
60
66
74
78
70
58
66
72
T [ambient
outdoor] < 0˚C
2 min.
approx. 11 min.
50
78
88
94
60
70
78
82
70
62
70
76
SiBE04-101.book Page 22 Monday, October 15, 2001 3:08 PM