Keyword Index - Viessmann VITOCAL 300-G Technical Manual

Keyword index

A
Active cooling...................................................................................53
Air separator.....................................................................................12
Application procedure (details).........................................................22
B
Brine accessory pack.......................................................................11
Brine distributor
■ Geothermal collectors...................................................................13
■ Geothermal probes/geothermal collectors....................................14
C
Central heating/central cooling.........................................................46
Connectable components................................................................33
Connections on secondary side (two-stage heat pumps)................31
Connections on the primary side (brine/water)
■ Single stage heat pump................................................................26
■ Two-stage heat pumps.................................................................26
Connections on the primary side (water/water)
■ Single stage heat pump................................................................28
■ Two-stage heat pumps.................................................................29
Contact thermostat...........................................................................65
Cooling
■ Selecting a plate heat exchanger..................................................55
Cooling circuit...................................................................................47
Cooling curve
■ Level.............................................................................................60
■ Slope.............................................................................................60
Cooling function...............................................................................47
■ Natural cooling..............................................................................53
Cooling mode
■ Operating modes..........................................................................47
■ Weather-compensated control......................................................47
Cooling operation.......................................................................47, 53
■ Types and configuration................................................................53
Cooling water...................................................................................45
Cooling with an underfloor heating system......................................54
Cooling with fan convectors.............................................................54
D
Data exchange.................................................................................69
Delivered condition.............................................................................4
DHW cylinder...................................................................................49
DHW demand...................................................................................35
DHW heating
■ Connection on the DHW side........................................................49
■ Selecting a plate heat exchanger..................................................51
■ Selecting a primary store system..................................................51
■ Solar..............................................................................................57
■ Via an external heat exchanger....................................................22
Dimensions........................................................................................7
Diverter valve...................................................................................19
Double U-shaped pipe probe...........................................................39
Dual mode operation........................................................................35
E
Electrical connections......................................................................23
Electrical demand.............................................................................22
Electricity meter................................................................................23
EnEV................................................................................................59
Ethylene glycol.................................................................................36
Expansion vessel
■ Calculating the volume..................................................................58
■ Primary circuit...............................................................................40
■ Solar..............................................................................................58
■ Structure, function, specification...................................................58
External extension H1......................................................................67
External heat source........................................................................35
VITOCAL 300-G
F
Fan convectors...........................................................................19, 54
Federal tariffs [Germany].................................................................22
Fill water...........................................................................................48
Flow rate..........................................................................................44
Frost protection................................................................................36
Frost protection function...................................................................60
Function description
■ DHW heating.................................................................................49
■ Heating circuit...............................................................................46
■ Heating water buffer cylinder........................................................47
■ Instantaneous heating water heater..............................................35
■ Power-OFF...................................................................................24
G
Geothermal collector
■ Manifolds and headers..................................................................36
■ Pressure drop...............................................................................38
■ Sizing............................................................................................38
Geothermal probe
■ Pressure drop...............................................................................40
■ Sizing............................................................................................40
Groundwater....................................................................................43
H
Heat exchanger, primary circuit.......................................................45
Heating circuit and heat distribution.................................................46
Heating curve
■ Level.............................................................................................60
■ Slope.............................................................................................60
Heating lance...................................................................................51
Heating output..................................................................................34
Heating water buffer cylinder...........................................................47
Heating water flow temperature.......................................................46
Heat load..........................................................................................34
Heat pump control unit
■ Functions......................................................................................59
■ Programming unit..........................................................................59
■ Standard unit.................................................................................59
■ Structure.......................................................................................59
Heat pump sizing.............................................................................34
Heat transfer medium.................................................................16, 43
Hydraulic connection
■ Cooling function............................................................................53
■ Primary store system....................................................................50
Hydraulic connections......................................................................26
Hydraulic connection set..................................................................48
I
Immersion thermostat......................................................................65
Installation accessories
■ Primary circuit...............................................................................11
■ Secondary circuit..........................................................................17
Instantaneous heating water heater.................................................35
K
KM BUS distributor...........................................................................67
L
LON..................................................................................................69
LON communication module............................................................69
VIESMANN
71