Commissioning/Service Reports; Hydraulic Parameters Report - Viessmann VITOCAL 350-G Installation And Service Instructions Manual

Hydraulic parameters report

Setting and test values
Frost protection (brine medi-
um)
Testing the external heating circuit pumps
Circulation pump type
Circulation pump stage
Overflow valve setting
Commissioning, primary circuit
Primary circuit flow tempera-
ture
("Diagnosis" Ó "System over-
view")
Primary circuit return tempera-
ture
("Diagnosis" Ó "System over-
view")
Temperature differential (pri-
mary circuit flow/return) ΔT:
■ If secondary circuit flow tem-
perature = 35 °C primary cir-
cuit flow temperature = 10 °C
■ If secondary circuit flow tem-
perature = 35 °C primary cir-
cuit flow temperature = 0 °C
Testing the mixer, heat pump and cylinder heating
Checked under the following conditions:
Room temperature
Outside temperature
Temperature "Cylinder temp.
top" constant?
Secondary circuit flow tempera-
ture
Temperature differential ΔT
"Flow temp. secondary" / "Re-
turn temp. sec."

Commissioning/service reports

Setpoint
°C –19
°C
°C
K 3 to 5
K 2 to 4
°C
°C
Yes (±1 K)
°C Rising
K 6 to 8
Commis- Mainte-
sioning nance/Serv-
ice
From Open From Open
115