System Overview (Function Groups) - Viessmann vitocal 300-g Operating Instructions Manual

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Operating conditions in system overview

System overview (function groups)

1 2 3 4 5 6 7 8 9
1
-10 14
2
10 65 40
wW
-10 40
wQ
10
10
70
wP qO qI
Note
Actual value: Dark number on a light background.
Set value: Light number on a dark background.
1 Outside temperature sensor
2 Compressor stage 1
3 Solar heating circuit
4 DHW
5 Heating water buffer cylinder
6 Heating circuit A1 (without mixer)
7 Heating circuit M2 (with mixer)
8 Heating circuit M3 (with mixer)
9 Separate cooling circuit
qP Current time
qQ Annual performance factor (SPF =
"seasonal performance factor")
qW Message symbol (flashes when a
message is available)
qE Active Cooling function (AC)
48
A1 M2M3
40 30 20 20 20 20
30 20 20 20 20
40 65 40 40 40
40 65 40 40 40 40
10
1
qU qZ qT qR qE qW
qR Cooling directly affects the next
heating circuit / separate cooling cir-
cuit
qT Natural Cooling function (NC)
qZ System flow
qU Swimming pool
qI Cylinder reheating through external
heat source
qO External heat source demand
(active if point in the symbol
flashes)
wP Geothermal probe
wQ Primary return temperature
wW Primary flow temperature
(cont.)
qP
21:01
SPF:
qQ
4.6
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