Starting The Heating System; Shutting Down The Heating System - Viessmann B2HAH13 Operating Instructions Manual

Vitodens 200-W B2HA/B2HB, 222-F B2TA/B2TB Operating

Starting the Heating System

Legend
A Fault indicator (red)
B ON indicator (green)
C Reset button (R)
D ON/OFF switch " 8 "
E Pressure gauge (psi)

Shutting Down the Heating System

With frost protection monitoring
For every heating circuit, select heating program "Standby
mode".
H No central heating.
H No DHW heating.
H Frost protection for the boiler and the DHW tank
is enabled.
For the heating circuit displayed in the header
Standard menu
1. for the heating program "Standby mode" (frost
protection monitoring)
2. OK
to confirm
For the other heating circuits
Extended menu
1.
2. "Heating"
3. Select the heating circuit if necessary (see page 16)
4. "Heating program"
5. "Standby mode" (frost protection monitoring)
Note: The circulation pumps are briefly started every
24 hours to prevent them from seizing up.
Ending the heating program "Standby mode"
Select another heating program.
1. Check the heating system pressure at the pressure
gauge. The heating system pressure is too low if
the indicator points to the area below 14 psi (1 bar).
In this case, top up with water or notify your local
heating contractor.
2. For open flue operation: Check that the ventilation
apertures of the boiler room are open and unrestricted.
Note: With open flue operation, the combustion air
is drawn from the boiler room.
3. For Vitodens: Open the gas shut-off valve.
Note: Ask your heating contractor to explain the
positioning and handling of these components.
4. Switch ON the power supply, e.g. at a separate MCB/
fuse or a mains isolator.
5. Turn the ON/OFF switch "
the standard menu is displayed (see page 9) and the
green ON indicator illuminates. Your heating system
and, if installed, your remote controls are now ready
for operation.
Without frost protection monitoring
1. Switch the ON/OFF switch OFF.
2. Close the shut-off valves.
3. Isolate the heating system from its main power
supply, e.g. at a separate MCB/fuse or a mains
isolator.
4. Where outside temperatures of below 37°F (3°C)
are anticipated, please take suitable measures to
protect the heating system against frost. If necessary,
contact your heating contractor.
Information on an extended shutdown
H Circulation pumps may seize up if they are not supplied
with power.
H After an extended shutdown, it may be necessary to
reset the date and time (see page 28).
Start-up/Shutdown
8 " ON. After a short time,
15