125
Type AWT-AC
221.B10
221.B13
221.B16
Integral DHW cylinder
Capacity
l
170
170
170
Continuous output for DHW
heating from 10 to 60 °C
l/h
306
357
380
Performance factor N
L
to
DIN 4708
1.3
1.4
1.4
Max. draw-off rate at the speci-
fied performance factor N
L
and
DHW heating from 10 to 45 °C
l/min
15.9
16.5
16.9
Max. permissible DHW tempera-
ture
°C
95
95
95
External unit dimensions
Total length
mm
340
340
340
Total width
mm
975
975
975
Total height
mm
1255
1255
1255
Internal unit dimensions
Total length
mm
680
680
680
Total width
mm
600
600
600
Total height
mm
1829
1829
1829
Total weight
External unit
kg
113
113
121
Internal unit
kg
197
197
197
Permiss. operating pressure
■
Secondary side
bar
3
3
3
MPa
0.3
0.3
0.3
■
DHW side
bar
10
10
10
MPa
1
1
1
Connections
Heating water flow
mm
Cu 28 x 1
Cu 28 x 1
Cu 28 x 1
Heating water return
mm
Cu 28 x 1
Cu 28 x 1
Cu 28 x 1
Cold water
Rp
¾
¾
¾
DHW
Rp
¾
¾
¾
DHW circulation
G
1
1
1
Liquid line
■
Pipe
7
mm
10 x 1
10 x 1
10 x 1
■
Internal unit
UNF
⅝
⅝
⅝
■
External unit
UNF
⅝
⅝
⅝
Hot gas line
■
Pipe
7
mm
16 x 1
16 x 1
16 x 1
■
Internal unit
UNF
⅞
⅞
⅞
■
External unit
UNF
⅞
⅞
⅞
Max. line length, liquid line, hot
gas line
m
30
30
30
Specification
Specification
(cont.)
5700 562 GB
Appendix