Keyword index
A
Additional functions....................................................................89, 90
Airborne noise attenuation...............................................................48
B
Blocking, external.......................................................................89, 90
Boiler blocking..................................................................................91
Boiler circuit pump............................................................................21
Boiler control units............................................................................50
Boiler sequence...............................................................................91
Boiler water temperature sensor................................................54, 55
Building Regulations Approval [Germany].......................................29
Building Regulations approval procedure........................................95
Butterfly valve.............................................................................92, 93
C
Carbon monoxide.......................................................................18, 20
Certificate.........................................................................................29
CO limiter...................................................................................18, 20
Combustion air.................................................................................19
Condensate......................................................................................50
Connection 0 – 10 V.............................................................88, 89, 91
Constant temperature control
■ Programming unit....................................................................56, 58
Contact temperature controller.........................................................77
Contact temperature sensor.............................................................75
Control panels..................................................................................50
Control units.....................................................................................50
Cylinder temperature sensor............................................................55
D
Delivery............................................................................................19
Design..............................................................................................20
Divicon heating circuit distribution....................................................22
■ Divicon..........................................................................................11
E
Enable boiler..............................................................................92, 93
EnEV................................................................................................65
ENEV...................................................................................60, 62, 67
Expansion vessels...........................................................................20
Extension EA1..................................................................................80
External blocking........................................................................89, 90
External burner start.......................................................86, 87, 92, 93
External changeover of multi stage/modulating burners..................89
External demand........................................................................89, 90
External heating program changeover.......................................89, 90
External load-dependent starting...............................................89, 90
External starting subject to load.......................................................86
F
Fire Regulations ..............................................................................19
Flash trap.........................................................................................23
Flue gas header.........................................................................22, 45
Flue gas temperature sensor...........................................................75
Flue system....................................................................24, 25, 28, 38
Frost protection................................................................................49
Fuels................................................................................................23
G
Gas Appliances Directive.............................................5, 6, 7, 8, 9, 10
H
Handling...........................................................................................19
Heating circuit distribution................................................................22
Heating program changeover.....................................................89, 90
Heating water requirements.............................................................48
Hydraulic system pipes (accessories)..............................................22
VIESMANN
96
I
Immersion temperature controller....................................................76
Installation location...........................................................................19
L
Low-end boiler water temperature...................................5, 7, 8, 9, 10
Low water indicator..........................................................................22
M
Maximum pressure limiter................................................................23
Minimum pressure limiter.................................................................23
Mixer open.................................................................................89, 90
Modulating burner................................................................87, 88, 93
Modulating burner connection....................................................87, 93
Multi boiler systems....................................................................52, 92
Multi stage/modulating burner..........................................................89
N
Neutralisation...................................................................................50
O
On-site control unit.......................................86, 87, 88, 89, 91, 92, 93
Operating conditions....................................................5, 6, 7, 8, 9, 10
Operating temperature.................................................5, 6, 7, 8, 9, 10
Outside temperature sensor.............................................................55
P
Performance limits...........................................................................20
Pipe diameter (flue gas)...................................................................32
Pipe lengths (flue gas).....................................................................32
Plug aVD..............................................................................89, 90, 91
Plug aVH..........................................................................................89
Prefabricated flue gas header..........................................................22
Pressure-jet gas burner....................................................................24
R
Room temperature sensor...............................................................74
S
Safety equipment.............................................................................22
Safety temperature.................................................5, 6, 7, 8, 9, 10, 20
Safety valve......................................................................................23
Single boiler systems.................................................................51, 86
Siting................................................................................................19
Solar control module
■ Specification..................................................................................79
Sound insulation...............................................................................47
Specification
■ Solar control module.....................................................................79
Standard seasonal efficiency [to DIN]..............................5, 7, 8, 9, 10
Starting, load-dependent............................................................89, 90
Starting subject to load.....................................................................86
Switching points...............................................................................54
System accessories.........................................................................22
T
Temperature controller
■ Contact temperature.....................................................................77
■ Immersion temperature.................................................................76
Temperature sensor
■ Contact temperature sensor.........................................................75
■ Room temperature sensor............................................................74
■ Wireless outside temperature sensor...........................................74
Temperature sensors
■ Boiler water temperature sensor.............................................54, 55
■ Cylinder temperature sensor.........................................................55
■ Flue gas temperature sensor........................................................75
■ Outside temperature sensor.........................................................55
Two-stage burner.......................................................................86, 92
Gas condensing boilers