SiBE01-503
Control Specification
Functions and Control
25
3.8
Defrost Control
Outline
In heating, defrosting is carried out by the cooling cycle (reverse cycle) to prevent the outdoor
heat exchanger being frosted. The defrosting time or outdoor heat exchanger temperature must
be more than its fixed value when finishing.
Detail
Time chart for 35 class
Compressor
Heating
Defrosting
Heating
Four way valve
Outdoor unit fan
Indoor unit fan
ON
OFF
ON
OFF
ON
OFF
ON
OFF
73sec.
86sec.
86sec.
Hot start function
73sec.
(R4734)
Summary of Contents for FTYN25DV3B ATY20DV2
Page 1: ...SiBE01 503 SPLIT Pair D Series Applied Models zNon Inverter Pair Heat Pump...
Page 5: ...SiBE01 503 iv Table of Contents Index i Drawings Flow Charts iii...
Page 10: ...SiBE01 503 List of Function 1 Part 1 List of Function 1 Functions 2...
Page 13: ...Functions SiBE01 503 4 List of Function...
Page 14: ...SiBE01 503 Specifications 5 Part 2 Specifications 1 Specifications 6...
Page 35: ...Control Specification SiBE01 503 26 Functions and Control...
Page 59: ...Instructions SiBE01 503 50 System Configuration...
Page 79: ...Check SiBE01 503 70 Service Diagnosis...
Page 117: ...Others SiBE01 503 108 Others...