Vaillant atmoTEC exclusive, Installation And Maintenance Instructions Manual

Page: 39 / 48

Appendix
0020214272_04 atmoTEC exclusive, atmoTEC plus Installation and maintenance instructions
39
VCW DE
194/4-5 A-H VCW DE
244/4-5 A-L VCW DE
244/4-5 A-H
Maximum
flow temper-
ature 75
℃
75
℃
75
℃
Max. flow
temperature
adjustment
range (de-
fault setting:
75 °C) 30 … 85
℃
30 … 85
℃
30 … 85
℃
Permissible
total over-
pressure 0.3 MPa
(3.0 bar) 0.3 MPa
(3.0 bar) 0.3 MPa
(3.0 bar)
Circulation
water
volume (with
reference to
Δ
T= 20 K)
860 l/h 1,030 l/h 1,030 l/h
Remaining
feed head
of pump (at
nominal cir-
culation wa-
ter volume) 0.025 MPa
(0.250 bar) 0.025 MPa
(0.250 bar) 0.025 MPa
(0.250 bar)
Technical data
–
Domestic hot water mode
VC DE 104/4-
7 A-P VC DE 104/4-
7 A-L VC DE 104/4-
7 A-H VCC 194/4-
5 120 (E-
DE), surface-
mounted VCC 194/4-5
120 (E-DE),
concealed VCC 194/4-
5 120 (LL-
DE), surface-
mounted VCC 194/4-5
120 (LL-DE),
concealed
Water
volume (at
Δ
T = 30 K)
− − −
9.6 l/min 9.6 l/min 9.6 l/min 9.6 l/min
Water
volume (at
Δ
T = 45 K)
− − −
6.4 l/min 6.4 l/min 6.4 l/min 6.4 l/min
Permitted
overpres-
sure 1.0 MPa
(10.0 bar) 1.0 MPa
(10.0 bar) 1.0 MPa
(10.0 bar) 1.0 MPa
(10.0 bar) 1.0 MPa
(10.0 bar) 1.0 MPa
(10.0 bar) 1.0 MPa
(10.0 bar)
Domestic
hot water
output tem-
perature
range 40 … 70
℃
40 … 70
℃
40 … 70
℃
35 … 65
℃
35 … 65
℃
35 … 65
℃
35 … 65
℃
VCW DE
204/4-7 A-P VCW DE
204/4-7 A-L VCW DE
204/4-7 A-H VCW DE
254/4-7 A-P VCW DE
254/4-7 A-L VCW DE
254/4-7 A-H VCW DE
194/4-5 A-L
Water
volume (at
Δ
T = 30 K)
9.6 l/min 10.5 l/min 10.5 l/min 11.5 l/min 12.4 l/min 12.4 l/min 9.6 l/min
Water
volume (at
Δ
T = 45 K)
6.4 l/min 7.0 l/min 7.0 l/min 7.7 l/min 8.3 l/min 8.3 l/min 6.4 l/min
Permitted
overpres-
sure
1.0 MPa
(10.0 bar) 1.0 MPa
(10.0 bar) 1.0 MPa
(10.0 bar) 1.0 MPa
(10.0 bar) 1.0 MPa
(10.0 bar) 1.0 MPa
(10.0 bar) 1.0 MPa
(10.0 bar)
Domestic
hot water
output tem-
perature
range 35 … 65
℃
35 … 65
℃
35 … 65
℃
35 … 65
℃
35 … 65
℃
35 … 65
℃
35 … 65
℃