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Cambridge

Air

Solutions

10/31/2022

BACnet

Controller

EVAP

Technical

Manual

Version

4.0.2.0002

OPERATING INSTRUCTIONS

BACNET CONTROLLER- EVAP

The BACnet Controller is a native BACnet

, fully programmable, direct digital controller. It provides a

communication link between a BAS (Building Automation System) and the Cambridge unit. The
controller provides precise monitoring and control of connected points.



BACnet

MS/TP compliant operating at up to 76.8 kilobaud



BTL-certified controller



Standard input points for fan status, cooling status, discharge temperature, zone temperature, and
outdoor temperature



Standard output points for fan control, cooling control and fill and drain valves



Selectable operating modes (fan off/on/auto, cooling off/on/auto, heating off/on/auto)



Removable screw terminal blocks



Onboard USB port for firmware upgrades



Local user interface display for commissioning and monitoring

Содержание BACNET EVAP

Страница 1: ...es precise monitoring and control of connected points BACnet MS TP compliant operating at up to 76 8 kilobaud BTL certified controller Standard input points for fan status cooling status discharge temperature zone temperature and outdoor temperature Standard output points for fan control cooling control and fill and drain valves Selectable operating modes fan off on auto cooling off on auto heatin...

Страница 2: ...cal display or MAP gateway Device addresses 4 through 127 are the valid addresses for these controllers The MAC address is set for a default of 4 The baud rate is set for a default of Auto The controller will listen for the bus supervisor to communicate first then automatically set its baud rate to the bus supervisor s baud rate If you anticipate critical peer to peer communication and therefore d...

Страница 3: ...False μS cm 0 10 000 OUTPUT OBJECTS Type Object Output Description Writable Values Binary MV 29564 BO 4 Burner command optional False 0 Off 1 On Binary MV 29516 BO 6 Indirect Pump command optional False 0 Off 1 On Binary MV 29550 BO 8 Direct Pump command optional False 0 Off 1 On Binary MV 29520 BO 10 Supply Fan command False 0 Off 1 On Binary MV 29521 BO 11 Drain Valve 1 command False 0 Open 1 Cl...

Страница 4: ... Auto 2 Close 3 Open MV 29543 Effective Occupancy False 2 Occupied Unoccupied MV 29544 Occupied Fan Mode True 3 1 Auto 2 Off 3 On MV 29545 Unoccupied Fan Mode True 3 1 Auto 2 Off 3 On MV 29546 Occupied Cooling Mode True 3 1 Auto 2 Off 3 On MV 29547 Unoccupied Cooling Mode True 3 1 Auto 2 Off 3 On MV 29548 Occupancy Override True 5 1 Occupied 2 UnOccupied 3 Bypass 4 Standby 5 Not Set MV 29549 Occup...

Страница 5: ... Setpoint True F 40 160 65 F AV 29539 Unoccupied Discharge Air Flow Setpoint True F 40 160 65 F AV 29540 Occupied Discharge Air Flow Setpoint True F 40 160 65 F AV 29541 Occupied Zone Cooling Set Point True F 40 160 75 F AV 29542 Unoccupied Zone Cooling Set Point True F 40 160 85 F AV 29543 Freeze Stat Setpoint True F 40 160 65 F AV 29544 Netsensor Temp False F 32 104 NA AV 29545 Netsensor Humidit...

Страница 6: ... operates continuously Auto Cooling operates if Zone Temperature is above Zone Unoccupied Cooling Set Point HEATING OCCUPIED Off Heating doesn t run On Heating operates continuously Auto Heating operates if Zone Temperature is below Zone Occupied Heating Set Point HEATING UNOCCUPIED Off Heating doesn t run On Heating operates continuously Auto Heating operates if Zone Temperature is below Zone Uno...

Страница 7: ...or editing mode 9 Press or button to change to setting 10 Press ent button Display will stop flashing to indicate value has been saved 11 Press esc button to return to Network level 12 Repeat steps 6 11 to change any other settings 13 When completed continue pressing esc button to return to home screen ZONE TEMPERATURE SETPOINTS 1 Press ent button on the controller to access the menus 2 Press or b...

Страница 8: ...mmunication lost waiting to join Mod Bus Green Blink 2 Hz Blink 2 Hz Data Transmission normal communication Off Steady No Data Transmission Auto baud in progress On Steady Communication lost waiting to join NOTE If the display buttons do not work there is a ribbon cable under the controller cover that may become disconnected Remove the cover and carefully reconnect the ribbon cable ALARM MESSAGES ...

Страница 9: ... access ent Controller Network Communication Status Is the baud rate set the same for all components Default Auto Range Auto 1200 9600 19200 38400 76800 Network setting AV 3007 Keypad access ent Controller Network Baud Rate NOTE For 76800 baud be sure the recommended cable type and maximum length are followed Is the BACnet Encoding Type set the same for all components ISO 10646 USC 2 ANSI X3 4 US ...

Страница 10: ... Event Cooling Disable SUMMARY Inputs Burner Status Supply Fan Status BI Sensor 1 Alarms Sensor 2 Alarms Effective Discharge Air Temperature Water Meter 2 Effective Outdoor Air Temperature Effective Zone Air Temperature Water Meter 1 Outputs Burner Modulation Output Supply Fan Output Burner Command continued from left Pump 1 Pump 2 Pump 3 Pump 4 Supply Fan Command Drain 1 Valve Command Fill Valve ...

Страница 11: ...le 40 0 160 0 F Occupied Discharge Air Setpoint Adjustable 40 0 160 0 F continued from left Htg Config OA Heating Lockout Setpoint Adjustable 0 0 130 0 F Discharge Air High Setpoint Adjustable 40 0 160 0 F Discharge Air Low Setpoint Adjustable 40 0 160 0 F Burner Modulation Mode Automatic Manual Burner Modulation Setpoint Adjustable 0 100 Low Fire Start Output Adjustable 30 100 Low Fire Start Dela...

Страница 12: ...e 0 120 minutes Offsets DAT Sensor Offset Adjustable 10 10 F OAT Sensor Offset Adjustable 10 10 F ZNT Sensor Offset Adjustable 10 10 F Override Supply Fan Control Mode Hand Off Auto Primary Pump Control Hand Off Auto Secondary Pump Control Hand Off Auto Drain 1 Valve Control Mode Auto Closed Open Fill Valve Control Mode Auto Closed Open Drain 2 Valve Control Mode Auto Closed Open continued from le...

Страница 13: ...27 Device Object ID User can select range 0 4 194 302 FC Comm Mode Wired Field Bus Wireless Field Bus N2 Slave Field Bus Modbus Field Bus Ethernet Field Bus Indeterminate FC Bus Mode Communication Status Baud Rate Auto 1200 9600 19200 38400 76800 Operating Baud Rate BACNET Encoding Type ISO 10646 USC 2 ANSI X3 4 US ASCII Microsoft DBCS code page ISO 10646 UTF 8 Misc Language User can select requir...

Страница 14: ...rval Outputs Burner Modulation Output 500 data points at 5 mins interval Supply Fan Output 500 data points at 5 mins interval Burner Command 500 data points at ON OFF ON Transition Pump 1 500 data points at ON OFF ON Transition Pump 2 500 data points at ON OFF ON Transition Pump 3 500 data points at ON OFF ON Transition Pump 4 500 data points at ON OFF ON Transition Supply Fan Command 500 data poi...

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