Vaillant atmoTEC exclusive, Installation And Maintenance Instructions Manual

Page: 38 / 48

Appendix
38
Installation and maintenance instructions atmoTEC exclusive, atmoTEC plus 0020214272_04
VC DE 104/4-
7 A-P VCW DE
204/4-7 A-P VCW DE
254/4-7 A-P
Maximum
heating-side
heating load 11.1 kW 20.0 kW 24.4 kW
Minimum
heating-side
heating load 5.3 kW 9.9 kW 12.0 kW
Maximum
heating load
for hot water
generation 11.1 kW 22.2 kW 26.6 kW
Technical data
–
Heating
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
Maximum
flow temper-
ature 75
℃
75
℃
75
℃
75
℃
75
℃
75
℃
75
℃
Max. flow
temperature
adjustment
range (de-
fault setting:
75 °C)
30 … 85
℃
30 … 85
℃
30 … 85
℃
30 … 85
℃
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) 0.3 MPa
(3.0 bar) 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)
430 l/h 430 l/h 430 l/h 860 l/h 860 l/h 860 l/h 860 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) 0.025 MPa
(0.250 bar) 0.025 MPa
(0.250 bar) 0.025 MPa
(0.250 bar) 0.025 MPa
(0.250 bar)
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
Maximum
flow temper-
ature
75
℃
75
℃
75
℃
75
℃
75
℃
75
℃
75
℃
Max. flow
temperature
adjustment
range (de-
fault setting:
75 °C) 30 … 85
℃
30 … 85
℃
30 … 85
℃
30 … 85
℃
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) 0.3 MPa
(3.0 bar) 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 860 l/h 860 l/h 1,030 l/h 1,030 l/h 1,030 l/h 860 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) 0.025 MPa
(0.250 bar) 0.025 MPa
(0.250 bar) 0.025 MPa
(0.250 bar) 0.025 MPa
(0.250 bar)