Viessmann Vitodens 200 Technical Manual page 30

1.2 Specification
Vitotronic 333 cascade control unit for multi-boiler systems
Specification
Rated voltage: 230 V~
Rated frequency: 50 Hz
Rated current: 6 A
Power consumption: 10 W
Safety class: I
Protection: IP 20 D to
EN 60 529;
safeguard through
1
design/installation
Function: Type 1 B to
EN 60 730 1
Permissible ambient
temperature
H in operation: 0 ºC to +40 ºC
Use in the living
space (standard
ambient conditions)
H during storage
and transport: 20 ºC to +65 ºC
Relay output rating for
H Heating circuit pumps
or
Heat exchanger
set sÖ: 4 (2) A 230 V~
H Cylinder primary
pump sA: 4 (2) A 230 V~
H DHW circulation
pump sK: 4 (2) A 230 V~
H Distribution
pump sG: 4 (2) A 230 V~
H Central fault
message gÖ: 4 (2) A 230 V~
H Motor
Three way mixing valve
Cylinder storage system
or
Mixer motor gS: 0.2 (0.1) A 230 V~
*1
Total max. 6 A 230 V~.
Dimensions
584
A Vitotronic 333
B Mounting panel
30
Plug connection chamber
External equipment is connected via
system plugs.
Plug the connectors directly into the front
(control unit open).
Connect three-phase consumers via
additional contactors.
Programming unit
H User interface identical to that of the
Vitotronic boiler control units
H With digital time switch
H Illuminated plain text display
H Temperature and fault message display
H Setting of codes via the programming
unit display
H All adjustments and the most important
codes as plain text
*1
*1
*1
*1
*1
*1
172
A
B
108
A
B
VITODENS