Carrier 50FF Series Control Manual
Also see for 50FC Series: Installation, operation and maintenance instructionsControls, Start-Up, Operation and TroubleshootingUser manualService and maintenance instructionsInstallation, operation and maintenance instructions
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Contents
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11M(G0)+(G)Tx-GNDTx+120ΩRS485 probes configuration:Tx-GNDTx+M(G0)+(G)1ON5 6 7 82 3 4Dip 1-5 Address On (128-159)Dip 6-7On-On =ModBus 1,8,E,1= 19200 bpsOn = 9600 bpsTx-GNDTx+M(G0)+(G)J10“50FC”GND24 VacM(G0)+(G) M(G0)+(G) +(G) M(G0)+(G)1ON5 6 7 82 3 4 1ON5 6 7 82 3 4 1ON5 6 7 82 3 4 1ON5 6 7 82 3 4 1ON5 6 7 82 3 4 1ON5 6 7 82 3 4M(G0)+(G)Important: It is recommended to insert an electrical resistance of 120Ω, between connectors TX+ and TX- of the μPC MEDIUM output(connector J10) and on the final component of the RS485 network, to avoid potential problems of communication.Tx-GNDTx+Tx-GNDTx+Tx-GNDTx+Tx-GNDTx+Tx-GNDTx+120ΩNo.2 No.3 No.4No.1Temp. orRH+Temp.probeMixing probe(calculationof capacities)Temp. orRH+Temp.probeTemp. orRH+Temp.probeTemp. orRH+Temp.probeSupply probe(calculationof capacities)Ambient probe No.1:Address: 128Modbus 1, 8, N, 29600 bpsAmbient probe No.2:Address: 129Modbus 1, 8, N, 29600 bpsAmbient probe No.3:Address: 130Modbus 1, 8, N, 29600 bpsAmbient probe No.4:Address: 131Modbus 1, 8, N, 29600 bpsMixing enthalpic probe:Address: 132Modbus 1, 8, N, 29600 bpsSupply enthalpic probe:Address: 133Modbus 1, 8, N, 29600 bps3.2. Serial connection of RS485 probes to the Field-bus of the control board (optional)3 - CONNECTIONSThe following serial probes can be connected on the RS485 Field-bus (connector J10), configured with different addresses:- 1 to 4 probes of ambient temperature or temperature + humidity.- Enthalpy probes on the mixing air and the supply air for calculation of the cooling and heating capacities.Connector J7Connection of the Graphic terminalConnector J8Connection of the pLAN networkConnector J10Connection of the RS485 Fieldbus (User terminal, sensors, etc)Connector J11Electronic expansion valve circuit 1Connector J12 (Digital outputs)On/off control of the unit components:NO1: compressor 1 of circuit 1NO2: cycle reversing valve circuit 1NO3: low-speed outdoor fan circuit 1 (optional 2-speed fan)Connector J13 (Digital outputs)On/off control of the unit components:NO4: indoor fanNO5: 1st stage of electrical heater or gas burner or boiler(optionals)NO6: 2nd stage of electrical heaterConnector J14 (Digital outputs)On/off control of the unit components:NO7: alarm signal or pump in the hot water coil circuit or on-offhumidifier or rotary heat exchanger (optionals)Connector J15 (Digital outputs)On/off control of the unit components:NO8: compressor 1 of circuit 2 (units with 2 circuits)NO9: cycle reversing valve circuit 2 (units with 2 circuits)NO10: low-speed outdoor fan circuit 2 (optional 2-speed fan)NO11: compressor 2 of circuit 1NO12: compressor 2 of circuit 2 (units with 2 circuits)Connector J16 (Digital inputs)Safety devices and failure indication:DI8: antifreeze safety for the hot water coilDI9: high pressure pressostat circuit 2 (units with 2 circuits)DI10: compressor and outdoor fan protection circuit 2 (units with2 circuits)Connector J17Electronic expansion valve circuit 2 (units with 2 circuits)Connector J18 (Analog inputs)Temperature, pressure and humidity reading sensors:B8: suction temperature probe circuit 1B9: suction temperature probe circuit 2B10: air quality probe (optionall)B11: low pressure transducer circuit 2B12: high pressure transducer circuit 2 |
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