Viessmann VITOCAL 300-G PRO Installation And Service Instructions Manual page 153

Keyword index
A
Adjusting the operating display..........95
Appliance MCB/fuses.......................105
Appliance too noisy..........................106
B
Boiler water temperature sensor
– Curve............................................104
Buffer temperature sensor
– Curve............................................104
C
Cascade
– Control method.........................91, 92
– Number of lag heat pumps.......91, 92
– Use of heat pump...........................92
Central fault message........................89
Charging
– Primary side....................................81
Charging and venting the primary cir-
cuit.....................................................81
Checking
– Sensors........................................104
Checking expansion vessel...............83
Checking MCB/fuses.......................105
Checking pressure.............................83
Checking sensors............................104
Checking system pressure.................83
Checking the refrigerant circuit for
leaks...................................................81
Checking the system pressure...........82
Circulation pump for cylinder heating.87
Circulation pump for DHW reheating. 88
Closing the heat pump.......................77
Coding level 1....................................83
Commissioning..........................80, 149
Commissioning request...................149
Commissioning wizard.......................83
Communication module LON.......36, 71
Connecting sensors...........................68
Connecting temperature sensors.......68
Connecting the secondary circuit.......50
Connections.......................................21
– Hydraulic.........................................45
– Primary circuit.................................48
– Secondary circuit............................50
Connections, main PCB
– 230 V components..........................57
Connection values
– Working components......................58
Controller and sensor PCB..........55, 68
Control parameters reports..............135
Control unit door..............................106
Cooling circuit flow temperature sensor
– Curve............................................104
Curve
– Temperature sensor, type Pt500. .105
– Temperature sensor type Ni500...105
Cylinder loading pump.......................87
Cylinder loading system.....................39
Cylinder temperature sensor
– Curve............................................104
D
Declaration of Conformity........150, 151
DHW circulation pump.......................87
DHW cylinder
– Interface..........................................38
– With cylinder loading system..........39
DHW heating......................................39
Dimensions........................................21
Draining............................................104
Draining the heat pump....................104
E
Electrical components........................99
Electrical connection..................55, 105
– General information........................13
– Heat pump control unit...........54, 105
Electrical connections........................53
– Overview.........................................53
– Routing cables................................51
Electrical installation scheme
– Primary circuit, brine/
water...........29, 30, 32, 33, 35, 38, 40
Keyword index
153