Crest Audio Lochinvar 1.5 Скачать руководство пользователя страница 12 | Manualshive

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Crest Audio Lochinvar 1.5 Скачать руководство пользователя страница 12

12

4

Wiring Requirements

Figure 4-4

_Control Location

MODBUS
COMMUNICATION
BOARD (MTR01)

CONTROLLER

Typical Boiler System Wiring

Cascade Daisy Chain Connection

Modbus RS485 Communication Bus

Modbus RS485 Port on Gateway or Building System

Physical Configuration: Cascade without Individual Monitoring

ModBus Instructions

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Содержание Lochinvar 1.5

Страница 1: ...ding this manual the Installation and Operation Manual and the Service Manual before installing Perform steps in the order given Failure to comply could result in severe personal injury death or subst...

Страница 2: ...9 Typical Boiler System Wiring 12 13 5 UNIT OPERATION Unit Operation with ModBus Communications 14 17 6 TROUBLESHOOTING 18 21 7 DIAGRAMS Ladder Diagram 22 Wiring Diagram 23 Revision Notes Back Cover A...

Страница 3: ...set to 0 has a value equal to 0 Example To set the address of the ModBus board to 50 dip switches 2 5 and 6 have to be set to the 1 position The address is determined by adding the values of all the...

Страница 4: ...inputs Parity Parity is set by the position of Dip switch 10 0 No Parity 1 Even Parity If No Parity is selected there will be two stop bits otherwise there will be one Data Transmission Mode Many ModB...

Страница 5: ...ostic Registers 11 0B Diagnostic Return Bus Message Count 12 0C Diagnostic Bus Communication Error Count 13 0D Diagnostic Bus Exception Error Count 14 0E Diagnostic Return Slave Message Count 15 0F Di...

Страница 6: ...plication program since the MODBUS protocol is unaware of the significance of any particular value of any particular register 04 SLAVE DEVICE FAILURE An unrecoverable error occurred while the server o...

Страница 7: ...ked Drain Switch 0 1 ON 0 OFF 0 1 1 10008 Flame 1 0 1 ON 0 OFF 0 1 1 10009 Enable 0 1 ON 0 OFF 0 1 1 10010 Tank Thermostat 0 1 ON 0 OFF 0 1 1 10011 Blocked Flue 0 1 ON 0 OFF 0 1 1 10013 Blower Proving...

Страница 8: ...NA 0 65535 1 40003 0 10 Volt Input Rate Command Setpoint Command 0 0 100 1 40004 Tank Setpoint 0 Degrees Celsius 0 87 5 0 5 40005 Tank Temperature 0 Degrees Celsius 20 130 0 1 40006 Outdoor Temperatur...

Страница 9: ...other control signals are being provided the BAS will still need to refresh these inputs at least every 4 minutes Physical Wiring Figure 4 1_Terminal Strip Connections 1 2 3 4 5 6 7 8 9 10 11 12 13 1...

Страница 10: ...CONNECTION BOARD INLET TEMPERATURE SENSOR OUTLET TEMPERATURE HI LIMIT SENSOR FLUE GAS SENSOR LOUVER PROVING SWITCH FLAME SENSOR 1 2 LOW WATER CUTOFF BLOCKED DRAIN SWITCH DISPLAY PANEL PC INTERFACE SMA...

Страница 11: ...CONTACTS SEQUENCER BUILDING MANAGMENT SYSTEM BOILER PUMP CONTACTOR SYSTEM PUMP CONTACTOR HWG PUMP CONTACTOR IGNITOR BLOWERS GAS VALVES BOILER RATE OUTPUT DISPLAY PANEL PC INTERFACE 120V SUPPLY SYSTEM...

Страница 12: ...S COMMUNICATION BOARD MTR01 CONTROLLER Typical Boiler System Wiring Cascade Daisy Chain Connection Modbus RS485 Communication Bus Modbus RS485 Port on Gateway or Building System Physical Configuration...

Страница 13: ...us RS485 Port on Gateway or Building System Physical Configuration Direct Control Cascade Daisy Chain Connection Modbus RS485 Communication Bus Modbus RS485 Port on Gateway or Building System Physical...

Страница 14: ...ly it will provide for fail safe operation should ModBus communication be lost This timer will cause the unit to revert back to internal unit controls should the ModBus communication be interrupted lo...

Страница 15: ...stem DHW with direct control and DHW with remote control DHW with direct control This is the typical installation with a hot water generator in close proximity to the boiler with the tank thermostat o...

Страница 16: ...nsors and thermostat values are only available through the ModBus communication bus To ensure that the Crest boiler can properly respond to a call for hot water generation the following holding regist...

Страница 17: ...decimal value must be determined through linear interpolation of programmable parameters on the BMS Setup Menu BMS temperature set point at low analog input BMS temperature set point at high analog in...

Страница 18: ...ly doing This state should be compared to the command issued and what is expected If the boiler state does not agree with the command issued check communication and configuration Status Codes Input Re...

Страница 19: ...Sensor S7 Short 33 System Supply Temperature Sensor S6 Short 34 Tank Sensor S4 Short 35 Flue Sensor S3 Short 36 Inlet Sensor Short 37 Outlet Sensor S1 Short 38 Temperature Measurement Error 2 39 Temp...

Страница 20: ...Speed Low 231 Small Fan Speed High 232 Flame Failure 1 233 Ignition Failure 236 Flue Damper Open 235 Small Blower Proving Switch Not Open 236 Small Blower Proving Switch Not Closed 238 Air Pressure Sw...

Страница 21: ...ontrol boardandsetaside RemovetheMTR01controlboard see FIG 6 2 5 Replace install the new MTR01 control board 6 Replace the four 4 mounting nuts removed in Step 4 7 Reconnect all three 3 wire harnesses...

Страница 22: ...ENSOR 0 10V 0 10V TANK SENSOR OUTDOOR SENSOR 0 10V 0 10V BMS IN SYSTEM PUMP IN SHIELD SHIELD A B CASCADE LARGE CONNECTION BOARD CN6 1 CN3 6 CN3 7 CN3 14 CN3 13 CN3 11 CN3 9 CN3 8 CN3 1 CN3 2 CN3 3 CN3...

Страница 23: ...IL AUX SWITCH 1 AUX SWITCH 2 SHIELD SHIELD A B MODBUS OPTION RATE OUT BOILER PUMP OUT SYSTEM RETURN SENSOR SYSTEM SUPPLY SENSOR 0 10V 0 10V TANK SENSOR OUTDOOR SENSOR 0 10V 0 10V BMS IN SYSTEM PUMP IN...

Страница 24: ...Revision Notes Revision A ECO C08179 initial release Revision B ECO C08542 reflects edits made pages 7 8 and 18 due to changes made by SIT FB MODB Rev B 07 11...

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