Appendix
44
Installation and maintenance instructions ecoTEC pure 0020258016_01
VC 146/7-2 (E-DE)
VCW 206/7-2 (E-DE)
Heat output range
–
domestic hot wa-
ter or cylinder reheating (P)
6.5 … 18.2 kW
6.6 … 24.3 kW
Maximum heat input
–
heating (Q
max.)
13.8 kW
18.7 kW
Minimum heat input
–
heating (Q min.)
6.6 kW
6.6 kW
Maximum heat input
–
Domestic hot
water or cylinder reheating (Q max.)
18.4 kW
24.4 kW
Minimum heat input
–
Domestic hot
water or cylinder reheating (Q min.)
6.6 kW
6.6 kW
Technical data
–
Domestic hot water
VC 146/7-2 (E-DE)
VCW 206/7-2 (E-DE)
Minimum water flow
–
1.7 l/min
Specific flow rate (D) (
Δ
T = 30 K) in
accordance with EN 13203
–
11.5 l/min
Specific flow rate (
Δ
T = 35 K)
–
9.9 l/min
Minimum permissible pressure
0.03 MPa
(0.30 bar)
0.03 MPa
(0.30 bar)
Maximum permissible pressure
(PMW)
1 MPa
(10 bar)
1 MPa
(10 bar)
Temperature range
45 … 60
℃
35 … 60
℃
Flow rate limiter for cold water
–
8.0 l/min
Hot water comfort in accordance with
the standard EN 13203
–
**
Technical data
–
General
VC 146/7-2 (E-DE)
VCW 206/7-2 (E-DE)
Gas category
II2ELL3P
II2ELL3P
Diameter of the gas pipe
1/2"
1/2"
Diameter of the heating pipe
3/4"
3/4"
Diameter of the domestic hot water
pipe
3/4"
3/4"
Expansion relief valve connector
(min.)
15.0 mm
15.0 mm
Condensed water discharge pipe
(min.)
21.5 mm
21.5 mm
G20 gas supply pressure
2.0 kPa
(20.0 mbar)
2.0 kPa
(20.0 mbar)
G25 gas supply pressure
2.0 kPa
(20.0 mbar)
2.0 kPa
(20.0 mbar)
G31 gas supply pressure
3.7 kPa
(37.0 mbar)
3.7 kPa
(37.0 mbar)
CE number (PIN)
CE-0063CR3775
CE-0063CR3775
Released system types
B23, B33, B53,
C13(x), C33(x),
C43(x), C53(x),
C83(x), C93(x) ,
B23(P), B53(P)
B23, B33, B53,
C13(x), C33(x),
C43(x), C53(x),
C83(x), C93(x) ,
B23(P), B53(P)
Min. flue gas temperature
44
℃
44
℃
Max. flue gas temperature
85
℃
85
℃
Nominal efficiency at 80/60 °C
97.2 %
98.9 %
Nominal efficiency at 50/30 °C
107.0 %
107.5 %
Partial load nominal efficiency (30%)
105.7 %
107.4 %
NOx class
6
6
Product dimensions, width
440 mm
440 mm
Product dimensions, depth
337 mm
337 mm
