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