Viessmann Vitocal 300-G Installation And Service Instructions Manual page 85

Connection of electrical components
Cascade control (lag appliance)
Note
Terminals of the "External
extension H1" (see Fig. on page 86)
Open contact 1X3.10/1X3.11 trig-
gers a fault message (see central
fault message, page 87).
Subject to the lag heat pump, pro-
gram parameters in accordance
with the following table.
Equipment
Cascade control See Fig. on
(lag appliance) page 86.
Connection Comments
ID
7000 System diagram
700A Cascade control
730C set the required value
Installation sequence
(cont.)
Setting parameters (group)
Ó 11 (system definition)
Ó 0 (system definition)
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