Panasonic Urban Multi MX1R Series Service Manual page 65

Function
Discharge Super
(DSH = Td - high pressure condensation saturation temperature)
Heating (DSH) During both the inverter and standard compressors are running, when the injection valve for either one
Control
goes OFF and discharge super heating (DSH) continues for 10 minutes at temperature difference of less
than 10°C, the inverter+standard compressor are controlled at 76 Hz or less+OFF for 3 minutes.
Control According
If the outdoor temperature exceeds 23°C when heating, forced thermostat OFF is carried out in order to
to Outdoor
prevent a safety device from being tripped or a sensor malfunction.
Temperature
44 Function Urban Multi "MX1, ME1 Series" Using R-22
PACD011001C2