4.2 Vitoladens 333-F - Viessmann VITOLADENS 300-W Technical Manual

Installation accessories

4.2 Vitoladens 333-F

Connection set (for upward connection) for installation on fin-
ished walls
Part no. 7351 721
Comprising:
■ Connecting pipes
■ Shut-off valves (R ¾) for heating water flow and return with boiler
drain & fill valve
■ 2 connectors for DHW (R ½)
Connection set (for upward connection) with premounting
bracket for installation on finished walls
Part no. 7354 276
Comprising:
■ Connection panel
■ Connecting pipes
4 ■ Shut-off valves (R ¾) for heating water flow and return with boiler
drain & fill valve
■ 2 connectors for DHW (R ½)
Connection set (for connection to the left or right) for installation
on finished walls
Part no. 7351 715
Comprising:
■ Connecting pipes
■ Shut-off valves (R ¾) for heating water flow and return with boiler
drain & fill valve
■ 2 connectors for DHW (R ½)
Connection set (for connection to the left or right) with premount-
ing bracket for installation on finished walls
Part no. 7356 357
Comprising:
■ Connection panel
■ Connecting pipes
VIESMANN
28
(cont.)
■ Shut-off valves (R ¾) for heating water flow and return with boiler
■ 2 connectors for DHW (R ½)
Connection set (for downward connection) with premounting
bracket for installation on finished walls
Part no. 7354 273
Comprising:
■ Connection panel
■ Connecting pipes
■ Shut-off valves (R ¾) for heating water flow and return with boiler
■ 2 connectors for DHW (R ½)
Note
With this type of installation, a wall clearance of
behind the Vitoladens.
Connection set, DHW circulation pump
Part no. Z007 378
For installation in the Vitoladens.
Comprising:
■ High efficiency DC pump
■ Flow regulating valve
■ Pipe assembly including thermal insulation
■ External extension H2 for connection to the Vitotronic
Connection set DHW expansion vessel
Part no. 7351 854
For installation in the Vitoladens.
Max. operating pressure in the cold water supply line: 3 bar
DHW expansion vessel pre-charge pressure: 3 bar.
Capacity: 4 litres
Comprising:
drain & fill valve
drain & fill valve and air vent valve
VITOLADENS 300-W/VITOLADENS 333-F
≥ 70 mm is required