Tank Connections - Viessmann VITOCELL 300 EVI Series Installation Instructions Manual

Set-up and Connections

Tank Connections

Supplied adaptor sizes
Part Size
B Brass cap 1 in.
A Brass adaptor 1 in.
C Brass tee 1 in.
D Reducer hex bushing 1 in. x c in.
1 in. + gasket
F Brass adaptor
B Brass cap 1a in.
A Brass adaptor
1a in.
C Brass tee
1a in.
D Reducer hex bushing 1a in. x c in.
c in.
E Temperature and
pressure relief valve
6
Legend
DHW
RT
TS/AQ DHW temperature sensor or aquastat of boiler
BWS
BWR
DCW
*1
Vitocell 300-V
53/79 USG 120 USG
(200/300 L) (450 L)
1 --
3 --
1 --
1 --
2 --
-- 1
-- 5
-- 1
-- 1
1 1
Vitocell 300-V Installation Instructions
Domestic hot water supply
Recirculation tapping
control (upper indirect coil)
Boiler water supply *
Boiler water return *
Domestic cold water supply
The upper indirect coil is provided for connection
to a boiler or a heat pump.
1
1