Function Details - Daikin E-Series Service Manual

Indoor Unit (SkyAir Models)
8.3

Function Details

Thermostat
Control
Freeze-up The thermostat turns OFF under the following temperature conditions to prevent freezing of the
indoor unit heat exchanger.
Protection
Control
116
The motorized valve is controlled to maintain the indoor unit heat exchanger temperature
(Te) above 0°C.
The outdoor unit fan speed is reduced to prevent freeze-up protection control from activating
during cooling operation under low outside air temperature. (For details, see the section on
cooling operation under low outside air temperature.)
SiAU18-715
Function