Viessmann Vitocal 300-G BW, Инструкция по установке и обслуживанию

Страница: 137 / 216

137
Access
■ " Device settings "
■ " Programming "
■ " System definition "
■ y to "Op. mode change time"
■ l
or
m
Standard setting 8 h
Setting range 0 to 12 h
Settings explained:
0
No specified duration; change-
over takes place as long as the
changeover contact remains
closed.
1 - 12 Duration of the changeover start-
ing with the activation of the oper-
ating mode changeover.
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
Standard setting 4
Setting range 0 to 7
Note
■ The parameter "Ext. Blocking" takes
higher priority than "External
demand" (see page 138 : Parameter
7015).
■ See also parameter 730C: "Set flow
temperature external demand",
page 155.
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
System definition control settings
External operating mode changeover duration
(cont.)
5368 522 UAE
Service