Daikin FTKS20CVMB(9), Руководство по обслуживанию

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SiENBE04-512A Control Specification
Function and Control 57
3.10 Defrost Control
Outline
Heat Pump Only
Defrosting is carried out by the cooling cycle (reverse cycle). The defrosting time or outdoor
heat exchanger temperature must be more than its fixed value when finishing.
Detail Conditions for Starting Defrost
The starting conditions must be made with the outdoor air temperature and heat exchanger
temperature. Under the conditions that the system is in heating operation, 6 minutes after the
compressor is started and more than 28 minutes of accumulated time pass since the start of the
operation or ending the defrosting.
Conditions for Canceling Defrost
The judgment must be made with heat exchanger temperature. (4°C~22°C)
ARK(X)S models
(A)RK(X)H, R(Y)N models
Fre qu ency
Compre ss or
Fo u r w a y v a lve
F a n
ON
OFF
ON
OFF
ON
OFF
0Hz
5 s ec.
3 50pp s 450pp s 450pp s
Initi a l opening
PI control
5 s ec.
50 s ec. 50 s ec. 600 s ec.
60 s ec.
(R4014)
Electronic exp a n s ion
v a lve opening
Fre qu ency
Compre ss or
Fo u r w a y v a lve
F a n
ON
OFF
ON
OFF
ON
OFF
0Hz
5 s ec.
450pp s 450pp s 450pp s
Initi a l opening
PI control
5 s ec.
45 s ec. 55 s ec. 4 8 0 s ec.
60 s ec.
(R4015)
Electronic exp a n s ion
v a lve opening
SiENBE04-512A.book Page 57 Friday, October 5, 2007 1:49 PM