Boiler Water Connections (Heat Exchanger Connection); Individual Dhw Tank - Viessmann Vitocell-B 100 CVB Series Installation Instructions Manual

Boiler Water Connections
WARNING
The operating aquastat and any
secondary high limit aquastat of the
tank must be set such that the DHW
temperature inside the tank never
exceeds 203°F / 95°C.

Individual DHW tank

DHW
HC
B
Fig. 16
Solar collector
Vitocell-B 100
Filling valve
Manual solar filling pump
Recirculating pump
HC Heating circuit
B Oil/Gas-fired boiler
DCW Domestic cold water
DHW Domestic hot water
T&P Temperature and pressure relief
valve
(heat exchanger connection)
DANGER
Domestic hot water temperatures
over 125°F / 52°C can cause severe
burns instantly or death from scalds.
Children, disabled and elderly are at
highest risk of being scalded.
Feel water before bathing or
showering.
Temperature limiting valves are
available and must be used where
domestic hot water storage tank
temperatures exceed 140°F / 60°C.
T&P
T
Y
T
1. For boiler water supply temperatures
over 203°F / 95°C:
Remove plastic supply and return
grommets (grommets are
left-threaded).
2. Pipe supply line with an incline and
install an air vent valve at the highest
point.
Set-up and Connections
IMPORTANT
Use a Loctite 55 string and pipe dope on
all threaded nipples on tank.
DCW
3. Only for systems with solar heating:
Install an additional high limit safety
cut-out, if per m
area there is...
H less than 12 USG / 45 liters water
volume when using Vitosol 100 flat
plate collectors
H less than 26 USG / 100 liters water
volume heated when using Vitosol
300 tube collectors.
To do this, install the DHW tank
cap with R
Continued on the following page.
T
T T
2
absorber surface
nipple (accessory).
¾"
15