Vaillant atmoTEC exclusive Installation And Maintenance Instructions Manual page 42

Appendix
VCW DE
204/4-7 A-
P
Flue gas 0.0017 kPa
discharge
(0.0170 mbar)
pressure P
W
Boiler dimension,
440 mm
width
Boiler dimension, 800 mm
height
Boiler dimension, 338 mm
depth
Approx. net 44 kg
weight
VCW DE
194/4-5 A-
H
Unit category I
2ELL
Gas connection, 20 mm
boiler side
Flow/return heat- 22 mm
ing connections,
boiler side
Domestic hot and 15 mm
cold water con-
nection, boiler
side
Expansion vessel 12 l
volume
Expansion vessel 0.075 MPa
pre-charge pres-
(0.750 bar)
sure
Flue gas connec- 110 mm
tion
G20 natural gas 2 kPa
flow pressure
G25 natural gas 2 kPa
flow pressure
G31 natural gas 2 kPa
flow pressure
Gas connection
2.35 m³/h
G20,
3
H = 34.02 MJ/m
i
G25 gas 2.73 m³/h
connection,
3
H = 29.25 MJ/m
i
−
G31 gas
connection,
3
H = 88.00 MJ/m
i
Min. flue gas 11.0 g/s
mass flow rate
(G20)
Max. flue gas 13.0 g/s
mass flow rate
(G20)
90 ℃
Min. flue gas tem-
perature
150 ℃
Max. flue gas tem-
perature
NOx emissions 30 mg/kW⋅h
Flue gas
0.0015 kPa
discharge
(0.0150 mbar)
pressure P
W
42
VCW DE VCW DE
204/4-7 A- 204/4-7 A-
L H
0.0017 kPa 0.0017 kPa
(0.0170 mbar) (0.0170 mbar)
440 mm 440 mm
800 mm 800 mm
338 mm 338 mm
44 kg 44 kg
VCW DE VCW DE
244/4-5 A- 244/4-5 A-
L H
I I
2ELL 2ELL
20 mm 20 mm
22 mm 22 mm
15 mm 15 mm
12 l 12 l
0.075 MPa 0.075 MPa
(0.750 bar) (0.750 bar)
130 mm 130 mm
2 kPa 2 kPa
2 kPa 2 kPa
2 kPa 2 kPa
2.81 m³/h 2.81 m³/h
3.27 m³/h 3.27 m³/h
− −
15.0 g/s 15.0 g/s
18.0 g/s 18.0 g/s
90 ℃ 90 ℃
130 ℃ 130 ℃
37 mg/kW⋅h 37 mg/kW⋅h
0.0015 kPa 0.0015 kPa
(0.0150 mbar) (0.0150 mbar)
Installation and maintenance instructions atmoTEC exclusive, atmoTEC plus 0020214272_04
VCW DE VCW DE
254/4-7 A- 254/4-7 A-
P L
0.0015 kPa 0.0022 kPa
(0.0150 mbar) (0.0220 mbar)
440 mm 440 mm
800 mm 800 mm
338 mm 338 mm
44 kg 44 kg
VCW DE VCW DE
254/4-7 A- 194/4-5 A-
H L
0.0022 kPa 0.0015 kPa
(0.0220 mbar) (0.0150 mbar)
440 mm 440 mm
800 mm 800 mm
338 mm 338 mm
44 kg 44 kg