Filling The Siphon With Water - Viessmann Vitodens 200-W B2HE 85 Quick Start Up Manual

Installation
Installation Fittings and Typical Piping Connections Installation Fittings and Typical Piping Connections
3
B2HE 85/120
Legend
A Boiler heating system supply
B Tank heating supply
C DHW connection with pressure relief valve (PRV)
D Gas connection
E DCW connection
F Tank heating return
G Boiler heating system return
Refer to the "Connections" section of the B2HE Installation and
Service Instructions for more detail.
B2HE
Closely spaced
tees (4x the pipe
diameter)(field
supplied)
4
Boiler Condensate Connection Boiler Condensate Connection
Air Gap

Filling the Siphon with Water

Filling the Siphon with Water
5
2
H Boiler pressure relief valve
(PRV and pressure gauge)
I Low loss header (accessory)
J Boiler fill
K Indirect DHW tank
L Expansion tank
B2HE
Low loss header
(Viessmann
optional
accessory)
with or without
Neutralization Unit
Vitodens 200-W, B2HE Quick Start-up Guide
B2HE 150/199
Legend
A Boiler heating system supply
B Tank heating supply
C DHW connection with pressure relief valve (PRV)
D Gas connection
E DCW connection
F Tank heating return
G Boiler heating system return
H Boiler pressure relief valve (PRV and pressure gauge)
I Low loss header (accessory)
J Boiler fill
K Indirect DHW tank
L Expansion tank
Install the flexible condensate discharge tube A onto the boiler syphon
discharge located at the bottom rear of the boiler.
IMPORTANT
Ensure that the condensate line is clear from any blockage and is not exposed to
freezing temperatures at any point in time.
Refer to the "Neutralization Unit" Instructions supplied with the
neutralization unit.
Legend
A Flexible condensate discharge tubing (from boiler).
B Condensate discharge tubing with clamps (field
supplied) if required. For connection to neutralization unit and / or
suitable sewage drain.
C Neutralizer unit (optional) Note: Consult local codes.
D Condensate discharge tubing with clamps (field supplied).
Fill the siphon with 10 fl. oz. (0.3 liters) of water into the boiler adaptor
before start-up.
Refer to the "Connections" section of the B2HE
Installation and Service Instructions for more detail.
Legend
M Safety valve
N Brass adapter
O Retaining clip
P Cable ties
Q Pressure gauge