Rheem RHMV2421MNACJA Service Manual page 142

3. ANTIFREEZING CONTROL (Cooling and Dry mode)
The compressor frequency is decrease on cooling & dry mode when the indoor evaporator coil
temperature sensor detects the temperature lower than Temperature .
Then, the anti-freezing control is released when it becomes higher than Temperature .
RP1724HJVXA
RP1730HJVXA
Anti-freezing protection operation / Release temperature
Outdoor temperature
Over than 50°F (10°C)
or 53.6°F (12°C)
Less than 50°F (10°C)
or 53.6°F (12°C)
*1. When the temperature rises.
*2. When the temperature drops.
RP1736HJVXA
RP1748HJVXA
Anti-freezing protection operation / Release temperature
Outdoor temperature
Over than 50°F (10°C)
or 53.6°F (12°C)
Less than 50°F (10°C)
or 53.6°F (12°C)
*1. When the temperature rises.
*2. When the temperature drops.
4. COOLING PRESSURE OVERRISE PROTECTION
36 and 48 models do not have this control.
RP1724HJVXA
RP1730HJVXA
When outdoor unit condenser coil sensor temperature exceeds 152.6°F (67°C),
a compressor and outdoor fan motor stop and trouble display is performed.
Temperature
*1
*2
39.2°F (4°C)
*1
*2
Temperature
*1
*2
37.4°F (3°C)
*1
*2
04-34
Temperature
44.6°F (7°C)
55.4°F (13°C)
Temperature
44.6°F (7°C)