Viessmann BW 301.B06, Installation And Service Instructions Manual

Page: 112 / 132

112
Setting and test values Setpoint Commissioning Maintenance/
Service
Frost protection (brine medium) °C
–
19
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 parameters 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
Output lag heat pump 700B Do not adjust
Commissioning/service reports
Hydraulic parameters report
5516461
Appendix