External Demand/Mixer Open - Viessmann Vitocal 300-G BW Installation And Service Instructions Manual

External operating mode changeover duration
Access
■ "Device settings"
■ "Programming"
■ "System definition"
■ y to"Op. mode change time"
■ l or m
Standard setting
Setting range

External demand/mixer OPEN

Parameter
■ 7014
Details how the "Ext. demand" or "Mixer
OPEN" functions should affect the heat
pump.
Access
■ "Device settings"
■ "Programming"
■ "System definition"
■ y to"Ext.demand/Miopen"
■ l or m
No. Function of the following system components
0 M2/M3: Heating circuits with mixer – control mode
No heat demand to the heat pump
1 M2: Heating circuit with mixer – moves into the OPEN position
M3: Heating circuit with mixer – control mode
No heat demand to the heat pump
2 M2: Heating circuit with mixer – control mode
M3: Heating circuit with mixer – moves into the OPEN position
No heat demand to the heat pump
3 M2/M3: Heating circuits with mixer – move into the OPEN position
No heat demand to the heat pump
Settings explained:
0
1 - 12 Duration of the changeover start-
8 h
0 to 12 h
Standard setting
Setting range
Note
■ The parameter "Ext. Blocking" takes
■ See also parameter 730C: "Set flow
System definition control settings
(cont.)
No specified duration; change-
over takes place as long as the
changeover contact remains
closed.
ing with the activation of the oper-
ating mode changeover.
higher priority than "External
demand" (see page 138 : Parameter
7015).
temperature external demand",
page 155.
4
0 to 7
137