Viessmann VITOCAL 350-A, Installation And Service Instructions Manual

Page: 241 / 256

241
Setting and test values Set value Commission-
ing
Testing the external heating circuit pumps
Circulation pump type
Circulation pump stage
Overflow valve setting
Primary circuit commissioning
Air inlet temperature °C
Air discharge temperature °C
Temperature differential ΔT:
Secondary circuit flow temperature = 35 °C
at air inlet temperature
≤
15 °C
K 4 to 8
Secondary circuit flow temperature = 35 °C
at air inlet temperature > 15 °C K 4 to 13
Testing the mixer, heat pump and cylinder heating – tested under the following
conditions:
Room temperature
°C
Outdoor temp. °C
" DHW cylinder top " temperature constant? Yes (±1 K)
Secondary circuit flow temperature °C rising from: to:
Temperature differential ΔT
"
Secondary flow " / " Secondary return "
6 to 8 K
Control parameters report
Parameter Page Setting range Delivered
condition
Commission-
ing
System definition
System scheme 169 0 to 11
(page 30) 2
Language 169 Deutsch
Temp. diff. heating 169 0 to 20 K 4 K
Swimming pool 170 Yes/No No
Cascade control: 170
Lead appliance 0 to 2 0
Lag heat pump 0 to 2 0
No. of external heat
pumps 171 1 to 4 0
Output lag heat pump 172 0 to 255 kW 10 kW
External extension 172 Yes/No No
Commissioning/service reports
Hydraulic parameters report
5414 828 GB
Service