Pre-Installation With The Sub-Mounting Kit With Mixer – Installation On Finished Walls - Viessmann Vitodens 300-W Technical Manual

Design information
A
Pre-plumbing jig for Vitodens 300-W
A Vitodens
B Pre-plumbing jig
C Compulsory in conjunction with DHW cylinders below the
boiler; otherwise recommended.
E Drain
6
Pre-installation with the sub-mounting kit with mixer – installation on finished walls
Required accessories:
■ Sub-mounting kit with:
– Plate heat exchanger
– Circulation pump
– 3-way mixer
– Bypass
– Mixer PCB
– Flow temperature sensor
– Flashing
– Installation template
■ Installation aid with:
– Fixings
– Valves/fittings
– Gas shut-off valve Rp ½ with integral thermally activated safety
shut-off valve
(Pre-plumbing jig with gas shut-off valve included in standard
delivery of the sub-mounting kit for Vitodens 200-W/222-W)
■ Connection set for DHW cylinders (if installed)
Not in conjunction with the Vitocell 100-W DHW cylinder installed
below the boiler
VIESMANN
62
(cont.)
B
SVL/WW
SRL/KW
E
HR
GA
HV
O K
F F
GA Gas connection R ¼ and G ¾
HR Heating return Rp ¾
HV Heating flow Rp ¾
OKFF Top edge, finished floor
SRL Cylinder return G ¾ (gas boiler)
SVL Cylinder flow G ¾ (gas boiler)
For specification and accessories for the sub-mounting kit, see
page 48.
Install a drain & fill valve on site in the flow of the heating circuit with
mixer (HV2).
VITODENS