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Vitodens 200-W B2HA/B2HB, 222-F B2TA/B2TB Operating
Overview of Controls
Controls
On-Board Vitotronic 200, HO1B Control
Modular structure
The control unit is integrated into the boiler. The control
unit comprises a standard unit, electronics modules and
a programming unit.
Standard unit:
■ ON/OFF switch
■ Optolink laptop interface
■ Operating and fault indicators
■ Reset button
■ Fuses
■ Boiler pressure gauge (psi)
Programming unit (HO1B):
■ Easy operation through:
– Plain text display with graphic ability
– Large font and black & white depiction for good
contrast
– Context-sensitive help text
– Removable programming unit; can be mounted
on the wall with separate accessory
■ With digital time switch
■ Control keys for:
– Navigation
– Confirmation
– Help and additional information
– Menu
■ Setting the:
– Room temperature
– Reduced room temperature
– DHW temperature
– Heating program
– Time programs for central heating, DHW heating
and DHW recirculation
– Economy mode
– Party mode
– Holiday program
– Heating curves
– Codes
– Actuator tests
– Test mode
– Zone control temperature setpoint
■ Displaying the:
– Boiler water temperature
– DHW temperature
– Operating details
– Diagnostic details
– Fault messages
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