Extension Ea1; Appendix 8.1 Regulations / Directives; Regulations And Directives - Viessmann VITODENS 200-W Technical Manual

Control units
(cont.)
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Extension EA1

Part no. 7429 151
Function extension inside the casing for wall mounting.
Using the inputs and outputs enables up to 5 functions to be achieved:
Function
1 switching output (zero volt changeover contact)
– Central fault message output
– Switching a feed pump to a substation
– Switching the DHW circulation pump (only with the Vitotronic 200, type HO1A)
1 analogue input (0 to 10 V)
– Set boiler water temperature default
3 digital inputs
– External heating program changeover for 1 to 3 heating circuits (only with Vitotronic 200,
type HO1A)
– External blocking
– External blocking with central fault message
– Minimum boiler water temperature demand
– Fault messages
– Brief operation, DHW circulation pump
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Appendix
8.1 Regulations / Directives

Regulations and Directives

The design and operational characteristics of the Vitodens gas con-
densing boilers from Viessmann meet the requirements of EN 297.
They are CE-designated.
They may be installed in sealed heating systems with permissible flow
temperatures (= safety temperatures) up to 100 ºC compliant with
EN 12828. The maximum flow temperature is approx. 15 K below the
safety temperature.
VITODENS
Specification
Rated voltage
Rated frequency
Rated current
Power consumption
Protection class
IP rating
Permissible ambient temperature
– during operation
– during storage and transport
Rated breaking capacity of the relay output
Specification
Rated voltage
Rated frequency
Rated current
Power consumption
Protection class
IP rating
Permissible ambient temperature
– during operation
– during storage and transport
Observe all standards and guidelines applicable to the installation and
operation of this system in your country.
Only qualified contractors must carry out the installation, the mains gas
and flue gas connections, the commissioning, the electrical connection
as well as general maintenance and repair work.
The installation of a condensing boiler may need to be notified to and
approved by your local gas supply utility.
230 V~
50 Hz
4 A
4 W
I
IP 20 D to EN 60529
ensure through appropriate
design/installation
0 to +40 °C
Installation in living spaces or
boiler rooms
(standard ambient conditions)
-20 to +65 °C
2(1) A 250 V~
230 V~
50 Hz
4 A
4 W
I
IP 20 D to EN 60529
ensure through appropriate
design/installation
0 to +40 °C
Installation in living spaces or
boiler rooms
(standard ambient conditions)
-20 to +65 °C
VIESMANN
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