135
Hydraulic parameter report
Setting and test values
Set value
Commis-
sioning
Frost protection
(brine medium)
°C
–15
Testing the external heating circuit pumps
Circulation pump type
Circulation pump stage
Overflow valve setting
Commissioning, primary circuit
Primary circuit flow temperature
(
"Diagnosis"
Ó
"System overview"
)
°C
Primary circuit return temperature
(
"Diagnosis"
Ó
"System overview"
)
°C
Temperature differential (primary circuit flow/
return) ΔT:
■ If secondary circuit flow temperature =
35 °C primary circuit flow temperature
= 10 °C
K
3 to 5
■ If secondary circuit flow temperature =
35 °C primary circuit flow temperature
= 0 °C
K
2 to 4
Testing the mixer, heat pump and cylinder heating
Checked under the following conditions:
Room temperature
°C
Outside temperature
°C
Temperature
"Cylinder temp. top"
constant?
Yes (±1 K)
Secondary circuit flow temperature
°C
Rising
from
to
Temperature differential ΔT
"Flow temp. secondary"
/
"Return temp.
sec."
K
6 to 8
Control parameters report
Parameter description
Service instructions for
"Vitotronic 200 heat pump control
unit"
Commissioning/service reports
Commissioning/service reports
5848 164 GB
Service
Summary of Contents for BW 301.A090
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