71
Setting and test values
Setpoint
Commissioning
Maintenance/
Service
Frost protection
(brine medium)
°C
min.
–
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)
Δ
T:
■
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"
con-
stant?
Yes (
±
1 K)
Secondary circuit flow temperature
°C
Rising
From
Open
From
Open
Temperature differential
Δ
T
"Flow temp. secondary"
/
"Return temp.
sec."
K
6 to 8
Control parameter report
Parameter description
"Vitotronic 200" service instructions
System definition
Parameter
Code
Delivered condition Commission-
ing
Maintenance/
service
System scheme (see chapter "Overview of
possible system schemes")
7000
2
Interval for long term average outside tem-
perature
7002
180 min
Temperature differential for calculating the
heating limit
7003
40 (
≙
4 K)
Temperature differential for calculating the
cooling limit
7004
40 (
≙
4 K)
Primary pump for natural cooling
7007
1
Swimming pool
7008
0
Output lag heat pump
700B
Do not adjust!
Commissioning/service reports
Hydraulic parameters report
6153640
Service
