Freeze Prevention - Panasonic Urban Multi MX1R Series Service Manual

Function
1.24

Freeze Prevention

Freeze Prevention

When the temperature detected by liquid pipe temperature thermistor (R2T) of the indoor unit heat
by Off Cycle
exchanger drops too low, the unit enters freeze prevention operation in accordance with the following
(Indoor Unit) conditions, and is also set in accordance with the conditions given below.
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.
58 Function Urban Multi "MX1, ME1 Series" Using R-22
PACD011001C2