B
Boiler supplement Zk.......................................................................16
C
Calculation of the cylinder loading system.......................................27
Checklist for heat exchanger enquiries/sizing..................................52
Circulation pump for cylinder heating, sizing....................................23
Connected load, calculating.............................................................20
Connection conditions of cylinder loading systems..........................45
Cylinder loading system, calculation................................................27
Cylinder loading system, function description..................................24
Cylinder loading system, installation................................................40
Cylinder loading systems.................................................................24
D
Demand factor N, calculating...........................................................14
DHW circulation pipes......................................................................32
DHW circulation pipe with cylinder banks........................................32
DHW demand in commercial enterprises.........................................17
DHW demand in commercial saunas...............................................18
DHW demand in connection with district heating systems...............19
DHW demand in hotels, guest houses and residential homes.........17
DHW demand in residential buildings..............................................13
DHW demand in sports halls............................................................19
DHW side connection.......................................................................28
DHW side connection in accordance with DIN 1988........................30
DHW side connection of cylinder banks...........................................31
DHW side connection of the Vitotrans 222......................................44
DIN 4708-2.......................................................................................13
District heating water volume, calculating........................................20
Drain valve.......................................................................................29
Draw-off demand..............................................................................14
Drinking water filter..........................................................................29
E
EDIS calculation program................................................................13
F
Flow regulating valve.......................................................................29
Freshwater module................................................................7, 12, 21
H
Heat demand
– For DHW in commercial enterprises.............................................17
– For DHW in commercial saunas...................................................18
– For DHW in connection with district heating systems...................19
– For DHW in hotels, guest houses and residential homes.............17
– For DHW in residential buildings...................................................13
– For DHW in sports halls................................................................19
Heating output, calculating...............................................................17
Heating side connection...................................................................34
Heating water flow rate, calculating.................................................22
Heating water side, flow rate calculation..........................................24
Heating water side, pressure drop calculation.................................22
Heating water side connections of the Vitotrans 222.......................45
Heat-up output, calculating........................................................18, 19
I
Installation of cylinder loading system..............................................40
Installation of DHW cylinders...........................................................28
N
Non-return valve...............................................................................29
O
Occupancy factor p, calculating.......................................................13
Overview of product features.............................................................7
P
Pressure gauge................................................................................29
Pressure reducer..............................................................................29
Product features, overview.................................................................7
Product information............................................................................5
Q
Questionnaire regarding the sizing of DHW cylinders......................50
R
Return temperature limit...................................................................38
S
Safety valve......................................................................................29
Sample applications.........................................................................45
Selection diagrams, DHW cylinder.....................................................9
Selection of DHW cylinder
– According to continuous output.....................................................11
– According to demand factor N........................................................7
Sensor wells.....................................................................................39
Shut-off valves.................................................................................29
Sizing
– according to continuous output.....................................................22
– according to peak flow rate...........................................................20
Sizing DHW cylinders.......................................................................13
Sizing of DHW cylinders, questionnaire...........................................50
V
Vitotrans 353..........................................................................7, 12, 21
Keyword index
DHW heating
VIESMANN
53
5414 646 GB