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

Page: 82 / 216

82
Equipment Connection Comments
ID
Setting parameters (group)
Cascade control
(lead appliance) See Fig. on
page 83. The connection on the second, third
and fourth heat pump is made using the
zero volt contact at the "Ext. demand"
terminal.
700A Cascade control
Ó
1 (system definition)
7010 External extension
Ó
Yes (system definition)
700B Output, lag heat pump
Ó
Enter output value (system
definition)
5735 No. of external heat pumps
Ó
1 to 3 (system definition)
Cascade control (lag appliance)
Note
■ Terminals of the "External exten-
sion H1" (see Fig. on page 83)
■ Open contact 1X3.10/1X3.11 triggers
a fault message (see central fault mes-
sage, page 84).
■ Subject to the lag heat pump, program
parameters in accordance with the fol-
lowing table.
Equipment Connection Comments
ID
Setting parameters (group)
Cascade control (lag
appliance) See Fig. on
page 83.
7000 System diagram
Ó
11 (system definition)
700A Cascade control
Ó
0 (system definition)
730C set the required value
Installation sequence
Connection of electrical components
(cont.)
5368 522 UAE