Freeze Prevention - Daikin RXYQ5-48MAY1 Service Manual

Si39-407
6.6

Freeze Prevention

Freeze When the temperature detected by liquid pipe temperature thermistor (R2T) of the indoor unit
heat exchanger drops too low, the unit enters freeze prevention operation in accordance with
Prevention by Off
the following conditions, and is also set in accordance with the conditions given below.
Cycle (Indoor
Unit)
Conditions for starting freeze prevention: Temperature is -1°C or less for total of 40 min., or
temperature is -5°C or less for total of 10 min.
Conditions for stopping freeze prevention: Temperature is +7°C or more for 10 min.
continuously
Ex: Case where temperature is -5°C or less for total of 10 min.
Function
Outline of Control (Indoor Unit)
109