Viessmann Vitocal 300-G BW, Installation And Service Instructions Manual

Page: 78 / 216

78
Equipment Connection Comments
ID
Setting parameters (group)
External demand See the previous
screen Observe parameter 730C
No parameters need to be set
Function "External
mixer open" See previous illus-
tration and
page 137 Observe parameter 730C
7014 Set external demand/mixer
open
0
Ó
7 (system definition)
External operating
mode changeover See the previous
illustration 137
7011 Changing the operating mode
– heating circuit
0
Ó
11 (system definition)
7012 Effect of operating mode
changeover
0
Ó
3 (system definition)
7013 Duration of operating mode
changeover
0
Ó
720 (system definition)
"Ext. Blocking", "Ext. mixer close"
These functions can also be connected via the "External extension H1". The switching
function via "H1" can only be used for one function at the time (e.g. swimming pool
water heating or "Ext. demand").
Installation instructions "External
extension H1"
Note
Requires a zero volt N/O contact, break-
ing capacity AC 230; 0.1 A
1X3.2
1X3.14
A B
A Terminals on PCB 1
B Zero volt N/O contact
Equipment Connection Comments
ID
Setting parameters (group)
External blocking See the previous
screen Observe parameter 701A
No parameters need to be set
Installation sequence
Connection of electrical components
(cont.)
5368 522 UAE