![background image](http://html1.mh-extra.com/html/daikin/ftxg20lv1bw/ftxg20lv1bw_service-manual_4197882055.webp)
SiBE041401E
Control Specification
Function and Control
44
3.10 Defrost Control
Outline
Defrosting is carried out by the cooling cycle (reverse cycle). The defrosting time or outdoor
heat exchanger temperature must be more than a certain value to finish defrosting.
Detail
Conditions for Starting Defrost
The starting conditions are determined with the outdoor temperature and the outdoor heat
exchanger temperature.
The system is in heating operation.
The compressor operates for 6 minutes.
More than
A
minutes of accumulated time have passed since the start of the operation, or
ending the previous defrosting.
Conditions for Canceling Defrost
The judgment is made with the outdoor heat exchanger temperature. (
B
°C)
20/25/35 class
50 class
A
(minutes)
28
44
B
(°C)
4 ~ 18
4 ~ 12
C
(Hz)
76
55
D
(Hz)
86
90
E
(seconds)
50
60
F
(seconds)
60
120
G
(seconds)
480
340
H
(seconds)
60
50
J
(pulse)
450
450
K
(pulse)
350
350
L
(pulse)
450
450
Frequency
Compressor
Four way valve
Fan
ON
OFF
ON
OFF
ON
OFF
0 Hz
0 Hz
C
Hz
D
Hz
5 sec.
K
pulse
L
pulse
J
pulse
Initial opening
PI control
5 sec.
H
sec.
(R19555)
Electronic expansion
valve opening
E
sec.
F
sec.
G
sec.
Содержание FTXG20LV1BW
Страница 12: ...SiBE041401E 1 List of Functions Part 1 List of Functions 1 Functions 2...
Страница 14: ...SiBE041401E 3 Specifications Part 2 Specifications 1 Specifications 4...
Страница 60: ...SiBE041401E 49 Remote Controller Part 5 Remote Controller 1 Remote controller 50...
Страница 113: ...SiBE041401E Check Service Diagnosis 102 50 class Diode bridge R19944...
Страница 127: ...Revision History Month Year Version Revised contents 03 2014 SiBE041401E First edition...