Function PACD011001C2
44 Function Urban Multi “MX1, ME1 Series” Using R-22
Discharge Super
Heating (DSH)
Control
(DSH = Td - high pressure condensation saturation temperature)
During both the inverter and standard compressors are running, when the injection valve for either one
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
to Outdoor
Temperature
If the outdoor temperature exceeds 23°C when heating, forced thermostat OFF is carried out in order to
prevent a safety device from being tripped or a sensor malfunction.
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