Viessmann PYROMAT ECO, Technical Manual

Page: 24 / 64

Wilo Stratos Para 25/1-7
■ Very economical HE pump (compliant with Energy Label A)
Operating mode: Constant differential pressure
40
0
10
20
30
0
100
200
300
400
0 0.5 1.0 1.5 2.0 2.5
Flow rate in m³/h
Pressure drop/head mbar kPa
50 500
60 600
3.0 3.5 4.0
70 700
Δp-C
Max.
B
A
A Divicon R 1¼ with mixer
B Divicon R 1¼ without mixer
Operating mode: Variable differential pressure
40
0
10
20
30
0
100
200
300
400
0 0.5 1.0 1.5 2.0 2.5
Flow rate in m³/h
Pressure drop/head mbar kPa
50 500
60 600
3.0 3.5 4.0
70 700
Δp-V
max.
B
A
A Divicon R 1¼ with mixer
B Divicon R 1¼ without mixer
Grundfos Alpha 2-60
■ Very economical HE pump (compliant with Energy Label A)
■ With power consumption display
■ With Autoadapt function (automatic matching to the pipework)
■ With night setback function
D
A
B
C
E
F
G
H
K
L
M
40
0
10
20
30
0
100
200
300
400
0 0.5 1.0 1.5 2.0 2.5
Pump rate in m³/h
Pressure drop/head mbar kPa
50 500
60 600
A Divicon R ¾ with mixer
B Divicon R 1 with mixer
C Divicon R 1¼ with mixer
D Divicon R ¾, R 1 and R 1¼ without mixer
E Stage 1
F Stage 2
G Stage 3
H
Min. proportional pressure
K Max. proportional pressure
L Min. constant pressure
M Max. constant pressure
Bypass valve
Part no. 7464 889
To hydraulically balance the heating circuit with mixer. Inserted into
the Divicon.
Installation accessories
(cont.)
24
PYROMAT ECO
4
5822 546 GB