Lochinvar SYNC SB 1000 Скачать руководство пользователя страница 12 | Manualshive

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12

4

Wiring Requirements

Figure 4-4

_Control Location

CONTROLLER 1

CONTROLLER 2

MODBUS
COMMUNICATION
BOARD (MTR01)

HEAT EXCHANGER 1

HEAT EXCHANGER 2

Modbus Instructions

Typical Boiler System Wiring

Cascade Daisy Chain Connection

Modbus RS4

8

5 Communication Bus

Modbus RS4

8

5 Po

r

t on Gateway o

r

Buildin

g

System

Physical Configuration: Cascade without Individual Monitoring

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Содержание SYNC SB 1000

Страница 1: ...ing 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 substa...

Страница 2: ...13 5 UNIT OPERATION Unit Operation with Modbus Communications 14 17 6 TROUBLESHOOTING 18 19 7 DIAGRAMS Ladder Diagram Part 1 2 20 21 Wiring Diagram 22 Revision Notes Back Cover Abbreviation or Acronym...

Страница 3: ...128 Any dip switch 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...

Страница 4: ...based on its own inputs Parity Parity is set by the position of Dip switch 10 0 No Parity 1 Odd Parity If No Parity is selected there will be two stop bits otherwise there will be one Data Transmissi...

Страница 5: ...r Counters and Diagnostic 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 Me...

Страница 6: ...expectation of the application 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 occurr...

Страница 7: ...10007 Auto Reset High Limit 1 0 1 ON 0 OFF 0 1 1 10008 Flame 1 0 1 ON 0 OFF 0 1 1 10009 Enable Room Thermostat 1 Stage 1 0 1 ON 0 OFF 0 1 1 10010 Tank Thermostat 0 1 ON 0 OFF 0 1 1 10017 Manual Reset...

Страница 8: ...2 0 0 100 1 30023 Boiler 2 Status Code 0 NA 0 65535 1 30024 Boiler 2 Blocking Code 0 NA 0 65535 1 30025 Boiler 2 Lockout Code 0 NA 0 65535 1 Holding Registers 40001 Configuration 0 NA 0 65535 1 40002...

Страница 9: ...ther of these temperatures is provided by the BAS but any of the other control signals are being provided the BAS will still need to refresh these inputs at least every 4 minutes Physical Wiring Figur...

Страница 10: ...2 INLET TEMPERATURE SENSOR HEAT EXCHANGER 1 HEAT EXCHANGER 2 OUTLET TEMPERATURE SENSOR HEAT EXCHANGER 1 HEAT EXCHANGER 2 FLUE GAS SENSOR HEAT EXCHANGER 1 HEAT EXCHANGER 2 HIGH LIMIT SENSOR FLAME SENS...

Страница 11: ...MARY CONTROL MODULE ALARM BELL RUN TIME CONTACTS SEQUENCER BUILDING MANAGEMENT SYSTEM HEAT EXCHANGER 1 HEAT EXCHANGER 2 BOILER PUMP SYSTEM PUMP HW PUMP IGNITOR BLOWER GAS VALVE PC INTERFACE SECONDARY...

Страница 12: ...US COMMUNICATION BOARD MTR01 HEAT EXCHANGER 1 HEAT EXCHANGER 2 Modbus Instructions Typical Boiler System Wiring Cascade Daisy Chain Connection Modbus RS485 Communication Bus Modbus RS485 Port on Gatew...

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: ...ll 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 longer tha...

Страница 15: ...l 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 or tank temperature sensor w...

Страница 16: ...values are only available through the Modbus communication bus To ensure that the SYNC boiler can properly respond to a call for hot water generation the following holding registers must be set in add...

Страница 17: ...d setpoint the hexadecimal 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 poin...

Страница 18: ...utlet temperature 3 Heat Demand blocked due to high absolute flue temperature 4 Heat Demand blocked due to high absolute Delta T Outlet Inlet 8 Heat Demand blocked due to Low 24 VAC 9 Outdoor shutdown...

Страница 19: ...36 EEPROM code APS active not Open 237 EEPROM code flame out of sequence 239 EEPROM code when gas valve relay test fails 240 EEPROM code MRHL 32767 Code not present Modbus Instructions Installation Re...

Страница 20: ...FLAME ROD SPARK ROD CAUTION HIGH VOLTAGE SPARK LEAD BLOWER X2 2 FLAP VALVE AIR PRESSURE SWITCH FLAP VALVE X5 7 24V X5 7 24V X5 4 X5 4 INLET SENSOR INLET SENSOR OUTLET SENSOR FLUE SENSOR OUTLET SENSOR...

Страница 21: ...SYSTEM PUMP RELAY HEX 1 BOILER PUMP CONTACTS HEX 2 BOILER PUMP CONTACTS SYSTEM PUMP CONTACTS L1 N L2 120 VAC 24 VAC ON OFF SWITCH X1 6 BOILER PUMP RELAY DHW PUMP RELAY SYSTEM PUMP RELAY BLOWER RELAY X...

Страница 22: ...1 12 CN1 15 CN1 16 CN1 8 CN1 7 CONNECTION BOARD JUNCTION BOX RELAY BOARD K1 K2 K3 X8 MOD BUS KIT X4 X6 6 X6 1 LOW WATER CUTOFF BOARD J3 1 J3 2 J3 3 J3 4 J3 5 J3 6 J2 1 J2 2 J2 3 X6 2 X6 9 X6 10 BLOWER...

Страница 23: ...23 Notes...

Страница 24: ...Revision Notes Revision A ECO C04560 initial release SYNC MODB Rev A 10 09...

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