Delivered Condition - Viessmann VITOCROSSAL 200 Type CM2 Technical Manual

Control units
(cont.)

Delivered condition

■ Control with integral programming unit
■ Outside temperature sensor
■ Boiler water temperature sensor
■ Cylinder temperature sensor
■ Bag with technical documentation
Heating system with DHW cylinder
Order separately:
■ Circulation pump with check valve for regulating the cylinder tem-
perature
or
9
■ Vitotrans 222 cylinder loading system with mixer assembly
9.7 Vitotronic 300, type GW4B, part no. 7441 813
Specification
Design
The control unit comprises a standard unit, electronics modules and a
programming unit.
Standard unit:
■ ON/OFF switch
■ Emissions test switch
■ Optolink laptop interface
■ Fuses
■ Operating and fault display
■ Plug connection chamber:
– Connection of external equipment via system plug
– Connection of three-phase consumers via additional contactors
■ Temperature controller/high limit safety cut-out, integrated into the
burner control unit:
EN 14597 and EN 60730-2-5
programming unit
■ Straight forward operation:
– Plain text display with graphic ability
– Large font and black/white depiction for good contrast
– Context-sensitive help
■ Operating keys:
– Navigation
– Confirmation
– Help and additional information
– Menu
■ Settings:
– Set room temperatures
– DHW temperature
– Operating program
– Time programs for central heating, DHW heating and DHW circu-
lation pump
– Economy mode
– Party mode
– Holiday program
– Heating curves
– Codes
– Actuator tests
VIESMANN
64
Heating system with heating circuit with mixer
A mixer extension kit (accessories) is required for each heating circuit
with mixer.
Communication
The LON communication module (accessories) is required for com-
munication with other control units.
■ Indicators:
– Boiler water temperature
– DHW temperature
– Operating data
– Diagnostic details
– Maintenance and fault messages
■ Available languages:
– German
– Bulgarian
– Czech
– Danish
– English
– Spanish
– Estonian
– French
– Croatian
– Italian
– Latvian
– Lithuanian
– Hungarian
– Dutch
– Polish
– Russian
– Romanian
– Slovenian
– Finnish
– Swedish
– Turkish
Functions
■ Weather-compensated control of the boiler water temperature
(= system flow temperature) and flow temperature.
■ Electronic maximum and minimum limitation of the flow temperature
in heating circuits with mixer.
■ Demand-dependent heating circuit pump and burner shutdown.
■ Setting of a variable heating limit.
■ Pump anti-seizing protection.
■ Integral diagnostic system.
■ Flue gas temperature monitoring in conjunction with flue gas tem-
perature sensor, integrated into the burner control unit.
■ Maintenance display.
■ Adaptive cylinder temperature control with priority control (heating
circuit pump OFF, mixer closed).
■ Auxiliary function for DHW heating (short term heating to a higher
temperature).
■ Control of solar DHW heating and central heating backup plus
graphic illustration of the solar yield in conjunction with the solar
control module type SM1.
■ Control of a cylinder loading system with mixer assembly.
■ External fault message facility can be connected.
■ Screed drying program for the heating circuits with mixer.
Gas condensing boilers