Viessmann 7514659, Инструкция по установке и обслуживанию

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115
Setting and test values Setpoint Commis-
sioning Mainte-
nance/Serv-
ice
Frost protection (brine medi-
um)
°C –19
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" )
°C
Primary circuit return tempera-
ture
(
"Diagnosis"
Ó
"System over-
view" )
°C
Temperature differential (pri-
mary circuit flow/return) ΔT:
■ If secondary circuit flow tem-
perature = 35 °C primary cir-
cuit flow temperature = 10 °C
K 3 to 5
■ If secondary circuit flow tem-
perature = 35 °C primary cir-
cuit 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 tempera-
ture °C Rising From Open From Open
Temperature differential ΔT
"Flow temp. secondary" / "Re-
turn temp. sec."
K 6 to 8
Commissioning/service reports
Hydraulic parameters report
5546 267 GB
Service