122
Operation: water/water with intermediate circuit
Type BW
Two-stage
Three-stage
352.A
353.A
114 /
SA
132 /
SA
156 /
SA
172 /
SA
198 /
SA
Output data
to EN 14511
(W10/W35, 5 K spread)
Rated heating output
kW
158.0
181.9
214.4
237.0
274.2
Cooling capacity
kW
129.0
148
173.8
193.5
222.8
Power consumption
kW
29.0
34.1
40.7
44.2
52
Coefficient of performance
ε (COP)
5.4
5.3
5.3
5.4
5.3
Brine
(intermediate circuit
-5 °C
Content
l
22
33
39
42
50
Nominal flow rate (spread
3 K)
m
3
/h
40.7
46.7
54.8
61.1
70.1
Pressure drop
mbar
324
324
324
336
336
Max. flow temperature
°C
25
25
25
25
25
Min. flow temperature
°C
-7
-7
-7
-7
-7
Heating water
(secondary
circuit)
Content
l
15
17
20
23
28
Nominal flow rate (spread
5 K)
m
3
/h
27.2
31.3
36.8
40.8
46.4
Pressure drop (at min. flow
rate)
mbar
288
312
360
360
390
Max. flow temperature
°C
73
73
73
73
73
Min. flow temperature
*2
°C
30
30
30
30
30
*2
Operation with ice stores including external demand requires an adjustment of
parameters. Make such adjustments exclusively after reference to KWT or
Viessmann.
Specification
(cont.)
5848 449 GB