108
Setting and test values
Set value
Commis-
sioning
Frost protection
(brine medium)
°C
–15
Testing external secondary circuit pumps
Circulation pump type
Circulation pump stage
Overflow valve setting
Commissioning, primary circuit
Flow temperature, primary circuit
(
"Diagnosis"
Ó
"System overview"
)
°C
Return temperature, primary circuit
(
"Diagnosis"
Ó
"System overview"
)
°C
Calculated flow rate
kg/h Minimum
flow rate to
specification
Temperature differential (primary circuit flow/
return) ΔT:
■ With secondary circuit flow temperature =
35 °C and primary circuit flow temperature
= 10 °C
K
3 to 5
■ With secondary circuit flow temperature =
35 °C and 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
"Secondary flow temp."
/
"Sec. return
temp."
K
6 to 8
Commissioning/service reports
Hydraulic parameter report
5848 246 GB
