Daikin SkyAir Service Manual page 59

General Functionality
Defrost control
RZQ71C7, RZQS71·100C7
RZQ100~140C7, RZQ125·140C7
Defrost ending Defrosting ends when the following conditions have been realized. Note that defrosting can be
operated for 10 minutes at longest.
conditions
48
RZQ71~140C7, RZQS71~140C7V1B
previous control
Compressor
4-way value
Electronic
expansion valve
Outdoor unit fan
Indoor unit fan
RZQ71~140C7, RZQS71~140C7V1B
Defrost Time>10 sec.
&
Hp>2.45 MPa
Defrost Time>1 min.
OR
&
Hp>12˚C
Defrost Time>9 min.
&
Tb>10˚C
Defrosting complete
Defrosting start
155Hz
ON
OFF
150
A pls
pls
(wet protection control)
0 pls (5~60 sec.) 0 pls (5 sec.)
ON
OFF
ON
OFF
SiBE28-804
0Hz
ON
ON
ON
A pls
480 pls
250 pls
Functional Description