Appendix
54
Installation and maintenance instructions auroCOMPACT 0020233500_01
7
Heating flow temperature sensor
8
Heating return temperature sensor
9
Fan
10
Venturi
11
Gas valve assembly
12
Temperature sensor in the cylinder
13
3-port valve
14
Pressure sensor
15
Volume flow sensor
16
Domestic hot water temperature sensor at the cylin-
der outlet
17
Heating pump
18
Domestic hot water pump
19
Main power supply
20
Ignition electrode
21
On/off button
22
Solar electronics PCB
23
Additional solar pump (as an option)
H
Gas adjustment values as set at the factory
Settings
Unit
G20 natural
gas
G25 natural
gas
G31
propane
CO
₂
after 5 minutes in full load mode with front casing closed
Vol.
9.2
±
1.0
9.1
±
1.0
10.4
±
0.5
CO
₂
after 5 minutes in full load mode with front casing removed
Vol.
9.0
±
1.0
8.9
±
1.0
10.2
±
0.5
Set for Wobbe index W
₀
kWh/m
³
14.09
11.53
21.41
O
₂
after 5 minutes in full load mode with front casing closed
Vol.
4.5
±
1.8
4.3
±
1.8
5.1
±
0.8
I
Technical data
Technical data
–
Heating
VSC D 146/4-5
150
VSC D 146/4-5
150 (LL)
VSC D 146/4-5
190
VSC D 206/4-5
150
VSC D 206/4-5
150 (LL)
Maximum heating flow
temperature
80
℃
80
℃
80
℃
80
℃
80
℃
Max. flow temperature ad-
justment range (default
setting: 75 °C)
30 … 80
℃
30 … 80
℃
30 … 80
℃
30 … 80
℃
30 … 80
℃
Maximum permissible
pressure
0.3 MPa
0.3 MPa
0.3 MPa
0.3 MPa
0.3 MPa
Maximum heat output
(factory setting
–
D.000)
10 kW
10 kW
10 kW
15 kW
15 kW
Nominal water flow
(
Δ
T = 20 K)
603 l/h
603 l/h
603 l/h
861 l/h
861 l/h
Nominal water flow
(
Δ
T = 30 K)
402 l/h
402 l/h
402 l/h
574 l/h
574 l/h
Approximate value for the
condensate volume (pH
value between 3.5 and 4.0)
at 50/30 °C
1.467 l/h
1.467 l/h
1.467 l/h
1.82 l/h
1.82 l/h
Δ
P heating at nominal flow
(
Δ
T = 30 K)
0.035 MPa
0.035 MPa
0.035 MPa
0.029 MPa
0.029 MPa
VSC D 206/4-5
190
Maximum heating flow
temperature
80
℃
Max. flow temperature ad-
justment range (default
setting: 75 °C)
30 … 80
℃
Maximum permissible
pressure
0.3 MPa
Maximum heat output
(factory setting
–
D.000)
15 kW
Nominal water flow
(
Δ
T = 20 K)
861 l/h
Nominal water flow
(
Δ
T = 30 K)
574 l/h
