73
Settings and test values
Set value
Commissioning
Maintenance/
service
Frost protection
(brine medium)
°C
–
19
Testing the external heating circuit pumps
Circulation pump type
Circulation pump stage
Overflow valve setting
Primary circuit commissioning
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:
■
At secondary circuit flow temperature =
35 °C and primary circuit flow tempera-
ture = 10 °C
K
4 to 6
■
At secondary circuit flow temperature =
35 °C and primary circuit flow tempera-
ture = 0 °C
K
3 to 5
Checking 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
From
To
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)
Swimming pool
7008
0
"Cascade control"
700A
0
"Use of heat pump in cascade"
700C
2
Commissioning/service reports
Hydraulic parameter report
5855006
Appendix
