Viessmann Vitotronic 11 CC1E, Инструкция по установке и обслуживанию

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42
Modulating burner
Low temperature boiler Vitocrossal
Function External burner start
—
base load
Connection Plug
aVD
.1/
aVD
.2 Plug
aVD
.1/
aVD
.2
143
A
B
2 3 1
A
Floating contact
B
To the control unit
143
A
B
2 3 1
A
Floating contact
B
To the control unit
Contact
■
Closed
■
The burner is started with base load.
■
An external modulation controller regu-
lates the load-dependent modulation.
■
The burner is switched to full load to
maintain the minimum temperature.
■
The boiler water temperature is restricted
by the electronic maximum temperature
limiter if this limiter is set below the level
of the mechanical temperature controller.
■
The burner is started with base load.
■
An external modulation controller regu-
lates the load-dependent modulation.
■
The boiler water temperature is restricted
by the electronic maximum temperature
limiter if this limiter is set below the level of
the mechanical temperature controller.
■
Open The burner is switched OFF. The burner is switched OFF.
Hooking up on-site control units via Vitogate
Set parameter "01:1" in the "General" group. Note
For further information on hooking up on-site control
units via Vitogate, see
www.vitogate.info
External functions — single boiler system
Connecting the external control unit
(cont.)
5863679
Installation