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

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74
Equipment Connection Comments
ID
Setting parameters (group)
Circulation pump for
cylinder heating (cyl-
inder reheating) When using this pump, immersion
heater EHE cannot be used for DHW
heating.
2X8.13 7B0D
Ó
Yes (ext. heat source)
2x7.1
2x7.2
A
1x3.1
1x2.N
D
C
B
K1
A Heat pump connection: Contact
load 230 V, 4(2) A, zero volt contact
(do not switch low voltage)
B Transfer jumper from 1X3.1 to
2X7.1
C Connection at the external heat
source on the terminals for external
demand
D High limit safety cut-out (STB, set to
70 °C) as heat pump protection
K1 Sizing in accordance with the exter-
nal heat source; observe safety
instructions
Conversion from type BW into type WW
This requires the connection of additional appliances (see the following table).
Equipment Connection Comments
ID
Setting parameters (group)
Flow switch 1X3.3
1X3.4 Remove jumper and connect flow lim-
iter
No parameters need to be set
Frost protection
monitor 1X3.8
1X3.9 Remove jumper and connect frost pro-
tection monitor
No parameters need to be set
Installation sequence
Positioning of all terminals
(cont.)
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