3WAY VRF SYSTEMOutdoor Unit Maintenance Remote Controller3 - 101234567894. Monitoring OperationsDisplay of unit No. 1 (main unit)RemarksDescriptionDN°C°C°C°C°C°C°C°C°C°C°C°C°C°C°C°C°C°CIndoor unit intake temp. (TA)Indoor unit heat exchanger temp. E1 (E1)—Indoor unit heat exchanger temp. E3 (E3) Indoor unitDischarge air temp. (BL)Discharge air temp. settingIndoor unit MOV pulse (MOV) STEP1st compressor discharge temp. (DISCH1)2nd compressor discharge temp. (DISCH2)High-pressure sensor temp.Heat exchanger gas 1 (EXG1)Heat exchanger liquid 1 (EXL1)Heat exchanger gas 2 (EXG2)Heat exchanger liquid 2 (EXL2)Outdoor air temp. (TO)1st compressor secondary currentAA1st compressor primary currentAA2nd compressor primary current Outdoor unitSTEPMOV pulse 1 (MOV1)STEPMOV pulse 2 (MOV2)—2nd compressor secondary current1st compressor actual operating frequencySTEPHzMOV pulse 4 (MOV4)——Low-pressure sensor temp.Suction temp. (SCT)1st compressor detected oil temp. (OIL1)2nd compressor detected oil temp. (OIL2)—2nd compressor actual operating frequencyTemp. sensor at refrigerant gas outlet of dual-tube temp. (SCG)HzNOTE0A and subsequent items are outdoor unit data. 0A – 24 are for unit No. 1.2A – 44 are for unit No. 2. 4A – 64 are for unit No. 3.
