Daikin SkyAir Service Manual page 122

SiBE28-804
Function details
Field Setting
Compressor control
Freeze protection Start
function
End
Parameters
Test Operation
Factory setting
16(26)-2-01
The compressor frequency is controlled in function of the target evaporating temperature.
The target evaporating temperature is controlled in function of the cooling load.
Minimum target Te = 2°C
See graph 1
Te ≤ -1°C for 40 minutes
accumulated
OR
Te ≤ A°C for 1 minute
continuous
(Indoor decision)
Te > 7°C for 10 minutes
continuously.
(Indoor decision)
FAQ
A -1°C
Low humidity application
setting
16(26)-2-03
Minimum target Te = 0°C
See graph 2
Te ≤ -1°C for 40 minutes
accumulated
OR
Te ≤ -3°C for 1 minute
continuous
(Outdoor decision)
Te > 7°C for 3 minutes
continuously
OR
Te > 4°C for 20 minutes
continuously
(Outdoor decision)
FHQ
-3°C
Field Settings
Low humidity application +
freeze up operation
prevention
16(26)-2-04
Initial minimum target Te =
2°C, but can be changed in
function of actual Te, to avoid
freeze up activation:
Te ≤ -1°C for 20 minutes
accumulated => Change
target Te ≥ 5°C
Te ≤ -1°C for 30 minutes
accumulated => Change
target Te ≥ 8°C
See graph 3
Te ≤ -1°C for 40 minutes
accumulated
OR
Te ≤ A°C for 1 minute
continuous
(Outdoor decision)
Te > 7°C for 3 minutes
continuously
OR
Te > 4°C for 20 minutes
continuously
(Outdoor decision)
All except FAQ & FHQ
-5°C
111