Specification Vitotronic 100, Type Hc1A; Vitotronic 200, Type Ho1A, For Weather-Compensated Operation - Viessmann VITODENS 200-W Technical Manual

Control units
(cont.)
Permissible ambient temperature
– during operation
– during storage and transport

Specification Vitotronic 100, type HC1A

Rated voltage 230 V~
Rated frequency 50 Hz
Rated current 6 A
Protection class I
Function Type 1 B to EN 60730-1
Permissible ambi-
ent temperature
– during operation 0 to +40 °C
Installation in living spaces or boiler rooms
(standard ambient conditions)
– during storage
and transport –20 to +65 °C

7.2 Vitotronic 200, type HO1A, for weather-compensated operation

Structure and functions
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 display
■ Reset button
■ Fuses
Programming unit:
■ Easy operation through:
– Plain text display with graphic ability
7
– Large font and black/white depiction for good contrast
– Context-sensitive help
– Removable programming unit; can be mounted as option on the
wall with separate accessory
■ With digital time switch
■ Control keys for:
– Navigation
– Confirmation
– Help
– Extended menu
VIESMANN
78
0 to +90 °C
–20 to +70 °C
Electronic tempera-
ture limiter setting
(heating mode)
Setting range for
the DHW tempera-
ture
– Gas combi boilers 10 to 57 °C
– Gas boilers
– Vitodens 222-W
■ Setting the:
■ Displaying:
Functions
■ Weather-compensated control of the boiler water and/or flow tem-
■ Control of one heating circuit without mixer and two heating circuits
■ Electronic maximum and minimum temperature limit
■ Demand-dependent heating circuit pump and burner off control
■ Adjustment of a variable heating limit
■ Anti-seizing pump protection
■ Heating system frost protection
■ Integral diagnostic system
■ Maintenance display
■ Cylinder thermostat with priority
■ Control of solar DHW heating and central heating backup in con-
■ Display of the solar energy yield
■ Auxiliary function for DHW heating (short-term heating to a higher
■ Screed drying program
■ External starting and blocking (in conjunction with extension EA1)
The requirements of DIN EN 12831 for the heating load calculation are
met. To reduce the heat-up load, the reduced room temperature will
be raised in case of low outside temperatures. The flow temperature
will be raised for a limited time to reduce the heat-up time after a set-
back period.
82 °C (change not possible)
10 to 68 °C
10 to 63 °C
– Room temperature
– Reduced room temperature
– DHW temperature
– Heating program
– Time programs for central heating, DHW heating and DHW circu-
lation
– Economy mode
– Party mode
– Holiday program
– Heating curves
– Codes
– Actuator tests
– Test mode
– Boiler water temperature
– DHW temperature
– Information
– Operating details
– Diagnostic details
– Fault messages
perature
with mixer
junction with the solar control module, type SM1
temperature)
VITODENS