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Technical data – Heating
Maximum flow temperat-
ure
Max. flow temperature
adjustment range (default
setting: 75 °C)
Permissible total over-
pressure
Minimum pressure for
full operation
Expansion vessel capa-
city
Circulation water volume
(with reference to
ΔT= 20 K)
Approx. condensate rate
(pH value 3.5 to 4.0) in
50/30 °C heating mode
Remaining feed head of
pump (at nominal circula-
tion water volume)
Technical data – Hot water handling
Lowest water volume
Water volume (at
ΔT = 30 K)
Permitted overpressure
Required connection
pressure
Hot water output temper-
ature range
Technical data – Electrics
Electric connection
Permissible connected
voltage
Built-in fuse (slow-blow)
Min. electrical power con-
sumption
Max. electrical power
consumption for heat-
ing mode (nominal heat
loading)
Max. electrical power
consumption for cylinder
charging
Electrical power con-
sumption, standby
0020189875_01 ecoTEC exclusive Installation and maintenance instructions
VCW 266/5‑7
(N-DE)
ecoTEC
exclusive
85 ℃
30 ... 80 ℃
0.3 MPa
(3.0 bar)
0.08 MPa
(0.80 bar)
10 l
1,058 l/h
2.48 l/h
0.025 MPa
(0.250 bar)
VCW 266/5‑7
(N-DE)
ecoTEC
exclusive
1.5 l/min
14.4 l/min
1.0 MPa
(10.0 bar)
0.035 MPa
(0.350 bar)
35 ... 65 ℃
VCW 266/5‑7
(N-DE)
ecoTEC
exclusive
230 V/50 Hz
190 ... 253 V
2 A
41 W
79 W
89 W
< 1.9 W
Appendix
47
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