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BACnet for MIXIT

Functional profile and user manual

GRUNDFOS

INSTRUCTIONS

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Summary of Contents for BACnet IP

Page 1: ...BACnet for MIXIT Functional profile and user manual GRUNDFOS INSTRUCTIONS...

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Page 3: ...BACnet for MIXIT English GB Installation and operating instructions 4 3 Table of contents...

Page 4: ...T unit was stopped from BACnet command but it has started again 22 9 6 The MIXIT unit does not start the pump when a start signal is given in BO 1 22 9 7 The MIXIT unit does not stop the pump when a s...

Page 5: ...via fieldbus BACnet or Modbus and gives access to Grundfos BuildingConnect Professional The DYNAMIC and CONNECT upgrades can be combined 1 4 BACnet bus topology BACnet MS TP is a multi master system...

Page 6: ...32 This number can be increased using repeaters Grundfos BACnet vendor ID 227 BACnet segmentation support No Character set support ANSI X3 4 Base definition for the widely used character code known as...

Page 7: ...00 meters 2 3 Device Object Instance Number The Device Object Identifier value consists of two components a 10 bit Object Type bits 22 to 31 a 22 bit Instance Number bits 0 to 2 The Object Type is fix...

Page 8: ...B 5 3 1 11 9 7 L N NC1 NO1 C1 NC2 NO2 C2 A Y B 5 3 1 11 9 7 TM071470 Pos Description 1 Ethernet RJ45 BACnet IP Modbus TCP 2 Configurable I O 3 Configurable I O 4 RS485 transceiver BACnet MS TP Modbus...

Page 9: ...nsceiver Follow the instructions in Grundfos GO Remote See also 2 2 Cables 5 Cut in the termination resistor for line termination if the unit is set as the last station on the network Set the DIP swit...

Page 10: ...the valve opening This can be useful when you want to degas the system or for other service purposes Control the valve opening via MO 1 ID Object name R W Description MO 1 Set Manual Valve Function W...

Page 11: ...via fieldbus Enabling Set MV 0 Config Temp Setpoint Source Enum to 3 Set BO 0 Set Control Source to 1 AO 1 Set Outdoor Temperature Remote C W Outdoor temperature value via fieldbus Enabling Set MV 0...

Page 12: ...s Supply flow limit Return temperature limit Thermal power limit Differential power limit Energy monitor Related information 7 2 Temperature controller 7 3 Underfloor overheat protection 7 4 Coil preh...

Page 13: ...er The gain Kp and integral time Ti are preset from factory However if the factory setting is not the optimum setting you can change the gain and integral time 1 Set the gain Kp within the range from...

Page 14: ...verheat protection 8 Shut down due to removal of start signal 9 Auto tuner on 10 Valve 100 open for backup 11 Return temperature control 7 4 2 Setting frost protection The function can be active only...

Page 15: ...trol modes AV 9 Config Pump Speed Duty Point R W Desired speed for constant speed control mode Depending on pump model the minimum speed may be larger than the minimum accepted speed at data point lar...

Page 16: ...head where the proportional pressure curve crosses the pump curve for maximum speed 7 5 5 Setting the duty point for constant flow control mode The duty point is set via AV 8 flow duty point In this...

Page 17: ...k temperature setpoint By default it is 40 C It can be changed via AV 6 If no outdoor temperature source is connected the product will give the warning code 125 in AI 0 except if the temperature sourc...

Page 18: ...bottom of the screen Days are chosen when they are shown as green You can insert up to four time periods per day Delete a time period by holding and dragging it to the wastebin in the top left corner...

Page 19: ...he MIXIT unit or the unit must be a MIXIT DYNAMIC See 7 1 Functions overview All limiters can run simultaneously The actual temperature setpoint can be monitored via AI 2 ID Object name R W Descriptio...

Page 20: ...he product If the differential temperature limit is surpassed the MIXIT unit gives a notification by setting BI 9 to 1 All limiters can run simultaneously ID Object name R W Description BV 3 Config Pr...

Page 21: ...slope Use the temperature buttons to adjust the offset and use the Up and Down buttons to adjust the slope of the curve Press Next or customise the heat curve see step B b Customised heat curve option...

Page 22: ...hat the actual setpoint in AI 2 is the same as the registered remote setpoint in AI 0 2 Check if one or more limit functions are active Check if BV 0 BV 1 BV 2 and BV 3 are set to 1 If one or more lim...

Page 23: ...ature sensor fault 127 System pressure sensor fault 157 Real time clock battery fault 169 Flow sensor fault 175 Supply forward temp sensor fault 176 Return temperature sensor fault 211 System pressure...

Page 24: ...ter string Software build date DD MM YYYY R Location Character string The user can enter a location here maximum 200 characters R W Description Character string The user can enter a description here m...

Page 25: ...Source R 0 Local control 1 Bus control Is 1 if the bus control is activated Activation of bus control is done via BO 0 10 2 2 System Start Stop and Status ID Object name R W Description BO 1 Set Start...

Page 26: ...ote C R Actual value of remote temperature setpoint AO 1 Set Outdoor Temperature Remote C W Outdoor temperature value via fieldbus Enabling Set MV 0 Config Temp Setpoint Source Enum to 5 Set BO 0 Set...

Page 27: ...alarms and warnings The data point is rising edge triggered 10 2 6 Date and time ID Object name R W Description AV 1 Config Product time and date R W Product time and date in Unix format seconds since...

Page 28: ...simulation ID Object name R W Description AV 2 Set Simulation Event Code Enum R W Set alarm warning code to simulate AV 3 Set Simulation Event Sub Code Enum R W Set sub error code to simulate BO 5 Se...

Page 29: ...he limit in AV 11 for extended time 3600 s The notification is not resettable but it will reset itself The supply flow limiter function is enabled and disabled with Grundfos GO Remote or BV 1 Config T...

Page 30: ...ing energy in total lifetime Reset by BO 6 Reset Accumulated Counters AI 10 Data Cooling Power kW R Current thermal power for product running in cooling mode AI 11 Data Heat Temp Difference C R Numeri...

Page 31: ...p C R Outdoor temperature measured at analog input The outdoor temperature sensor configuration is done via Grundfos GO Remote AI 27 Data Zone Air Temp C R Air temperature measured at analog input The...

Page 32: ...a not expecting reply Used for data transmission where no reply is expected 07 Reply postponed Used by master devices to defer sending a BACnet data reply 12 Supported services BACnet Interoperability...

Page 33: ...DM DDB B The MIXIT unit can provide information about its device attributes and respond to requests to identify itself I Am Who Has DM DOB B The MIXIT unit can provide address information about their...

Page 34: ...a Ltd 6th Floor Aju Building 679 5 Yeoksam dong Kangnam ku 135 916 Seoul Korea Tel 82 2 5317 600 Fax 82 2 5633 725 Latvia SIA GRUNDFOS Pumps Latvia Deglava biznesa centrs Augusta Deglava iel 60 LV 103...

Page 35: ...demarks displayed in this material including but not limited to Grundfos the Grundfos logo and be think innovate are registered trademarks owned by The Grundfos Group All rights reserved 2020 Grundfos...

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