Viessmann VITOTRONIC 100 GC1B Operations Instructions download pdf (Page 180)

180

AC burner...........................................92

Adaptive cylinder heating.................134

Auxiliary function for DHW heating..133

Boiler blocking....................................91

Boiler coding card..............................67

Boiler in the boiler sequence..............92

Boiler sequence.................................92

Boiler temperature sensor................169

Boiler water temperature control......125

Boiler water temperature sensor........71

Brief scan.........................................109

Burner

■ Base load......................................150

■ Connecting.....................................92

■ Maximum output...........................150

■ Minimum runtime..........................151

■ Offset............................................151

■ Shutdown differential....................151

■ Switching hysteresis.....................131

Butterfly valve........................87, 89, 91

Central fault message facility.............74

Checking actuators..........................105

Checking sensors............................105

Code 1

■ Calling up......................................137

■ Coding addresses.........................138

Code 2

■ Calling up......................................143

■ Coding addresses.........................144

Coding addresses, matching...........103

Commissioning................................103

Components.....................................169

Connecting a third party control unit

■ Single boiler system.......................78

Connecting mixing valve....................73

Connecting servomotors....................73

Connecting the external safety equip-

ment...................................................74

Connection 0 – 10 V....................79, 85

Connection and wiring diagram.......163

Controlled external shutdown..........172

Control unit

■ Assembling...................................101

■ Matching to modulating burner.....104

■ Matching to two-stage burner.......104

■ Opening........................................102

Cylinder priority control....................133

Cylinder temperature control............133

Cylinder temperature sensor......71, 169

DHW heating....................................133

Electrical connections, overview........65

Emergency mode.............................176

Enable boiler..........................87, 89, 91

ERB50 function................................132

ERB80 function................................132

Extension EA1.................................173

External blocking................................76

External burner

start......................80, 82, 83, 87, 89, 90

External changeover of multi stage/mod-

ulating burners...................................78

External connections....................78, 84

External starting subject to load.........80

Fault codes......................................114

Fault display.....................................113

Fault memory...................................113

Fault messages, calling up..............113

Flow temperature sensor.................169

Flue gas/water heat exchanger

■ With boiler circuit pump..................62

■ With shunt pump.............................60

Flue gas temperature sensor.....71, 170

Frost protection function..................133

Fuel consumption.............................153

Keyword index

5600 634 GB

1 2 ... 175 176 177 178 179 180 181 182 183 184

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Viessmann VITOTRONIC 100 GC1B Operations Instructions Page 180

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