128
Setting and test values
Set value
Commission-
ing
Testing the external heating circuit pumps
Circulation pump type
Circulation pump stage
Overflow valve setting
Commissioning, primary circuit
Air intake temperature (
"Diagnosis"
Ó
"System overview"
)
°C
Air discharge temperature (
"Diagnosis"
Ó
"System overview"
)
°C
Temperature differential (air intake/dis-
charge) ΔT:
■ Secondary circuit flow temperature
= 35 °C at air intake temperature ≤ 15 °C
K
4 to 8
■ Secondary circuit flow temperature
= 35 °C at air intake temperature > 15 °C
K
4 to 13
Testing the mixer, heat pump and cylinder heating
Checked under the following conditions:
Room temperature
°C
Outside temperature
°C
Temperature
"Cylinder temp. top"
con-
stant?
Yes (±1 K)
Secondary circuit flow temperature
°C
Rising
from
to
Temperature differential ΔT
"Flow temp. secondary"
/
"Return temp.
sec."
6 to 8 K
Control parameter report
For a description of parameters, see
service instructions for Vitotronic 200
heat pump control unit.
Commissioning/service reports
Hydraulic parameter report
5623 661 GB
Содержание Vitocal 242-S
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Страница 95: ...95 Removing cover from programming unit if necessary 5 4 4x Troubleshooting Repairs cont 5623 661 GB Service ...
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