122
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 273 GB
Содержание BW 351.A07
Страница 28: ...28 Removing the top panel 1 Installation sequence Siting the heat pump cont 5546 273 GB ...
Страница 88: ...88 Opening the casing door Troubleshooting Repairs cont 5546 273 GB ...
Страница 90: ...90 D C Q R S V K X P F J U T X Q S T R D Y W Type BWC 351 A07 Troubleshooting Repairs cont 5546 273 GB ...