Navien Modbus/BACnet Gateway Installation & Operation Manual
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Contents
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25Vendor Information – NavienPoint Name BACnetObject TypeBACnetObject IDMaximum Heat capacity AI 13Total time of CH operation AI 14Number of CH operation AI 15Total time after installation AI 16Maximum outdoor temperature status AI 27Minimum outdoor temperature status AI 28CH supply minimum temperature AI 29CH supply maximum temperature AI 30CH return minimum temperature AI 31CH return maximum temperature AI 32DHW minimum temperature AI 33DHW maximum temperature AI 34SH control method AI 35DHW control method AI 36Gas type AI 38Current amount of gas AI 41Total amount of gas AI 42Boiler On/Off command AV 1SH supply setpoint setting AV 2SH return setpoint setting AV 3DHW setpoint setting AV 4Error reset command AV 5Boiler setpoint in DHW operation AV 7Outdoor reset curve heatload setting AV 9Maximum outdoor temperaturesetting AV 10Minimum outdoor temperature setting AV 11WWSD temperature setting AV 12WWSD On differential setting AV 13Boost interval time setting AV 14Cascade Initial op units setting AV 15CH supply min temperature setting AV 16CH supply max temperature setting AV 17CH return min temperature setting AV 18CH return max temperature setting AV 19Appendix C.1 NFB-C Single Boiler ModbusRTU Mappings to BACnet/IP and BACnet MS/TPPoint Name BACnetObject TypeBACnetObject IDSH operation on/off control BV 1Outdoor reset curve usage enable BV 2WWSD enable BV 3DHW operation ON/OFF control BV 4Burner operation state BI 1SH operation state BI 2DHW tank mode operation state BI 4Error state BI 5Boiler enable status BI 7Boiler pump Operation Status BI 8DHW/Zone1 pump Operation Status BI 9Zone2 pump status Operation Status BI 10System/Zone3 pump Operation Status BI 11SH1 Thermostat input Status BI 12SH2 Thermostat input Status BI 13SH3 Thermostat input Status BI 14DHW call signal BI 15DHW Thermostat input Status BI 16LWCO input status BI 17Frozen protection mode BI 24Main Error code AI 1Sub Error code AI 2Current Heat capacity AI 3Supply temperature AI 4Return temperature AI 5System Supply temperature AI 6System Return temperature AI 7Water pressure AI 8Exhaust temperature AI 9DHW Tank temperature AI 10Outdoor temperature AI 11Boiler Operation Status AI 12Appendix C. Vendor Information – Navien |
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