During the second cleaning phase (mechanical cleaning with water injection), the two-way solenoid valve V2 (equipped with check valve) is opened
injecting water from the water mains. In order to perform an effective cleaning, a minimum dynamic pressure of 3 bar must be guaranteed during
washing and the installation of an anti-backflow system is mandatory to protect the aqueduct network (apply according to local regulations in force).
At the same time the shaft on which the filtering discs are clamped is rotated by means of the motor M1, in order to allow the fixed brushes to clean
their surface and to clean the magnets.
Caleffi S.p.A.
S.R. 229 no. 25
28010 Fontaneto d’Agogna
Italy
579 series
Supply: 230V (ac) ±10%
Power: xxx VA
PMAX: 10 bar (1 MPa)
TMAX: 90°C
TMIN: 5°C
TROOM: 5-50 °C
IP 42
H0004833
4
Caleffi S.p.A.
S.R. 229 no. 25
28010 Fontaneto d’Agogna
Italy
579 series
Supply: 230V (ac) ±10%
Power: xxx VA
PMAX: 10 bar (1 MPa)
TMAX: 90°C
TMIN: 5°C
TROOM: 5-50 °C
IP 42
H0004833
4
Caleffi S.p.A.
S.R. 229 no. 25
28010 Fontaneto d’Agogna
Italy
579 series
Supply: 230V (ac) ±10%
Power: xxx VA
PMAX: 10 bar (1 MPa)
TMAX: 90°C
TMIN: 5°C
TROOM: 5-50 °C
IP 42
H0004833
4
V1
Air vent valve
V2
M1
V3
V1
V1
M1
V3
Caleffi S.p.A.
S.R. 229 no. 25
28010 Fontaneto d’Agogna
Italy
579 series
Supply: 230V (ac) ±10%
Power: xxx VA
PMAX: 10 bar (1 MPa)
TMAX: 90°C
TMIN: 5°C
TROOM: 5-50 °C
IP 42
H0004833
4
V1
M1
V3
V3
Vacuum breaker valve
Clapet check valve
V2
V2
Filling with system water
Filling with mains water
4.4 Circuit filling and operating conditions restoring
At the end of the cleaning phase the initial conditions are restored, in order to continue with the normal filtration. The drain valve V3 is closed and
the rotation of the motor M1 is stopped. The strainer can be filled in two ways: with mains water through the solenoid valve V2 or using the system
circuit through the valve V1. This second option is preferable when the water in the heating circuit is treated and contains additives. The filling action
is gradual until the pressure detected in the system is reached. During this phase the air vent valve starts to expel the air in the tank and allows
optimal filling.
Caleffi S.p.A.
S.R. 229 no. 25
28010 Fontaneto d’Agogna
Italy
579 series
Supply: 230V (ac) ±10%
Power: xxx VA
PMAX: 10 bar (1 MPa)
TMAX: 90°C
TMIN: 5°C
TROOM: 5-50 °C
IP 42
H0004833
4
Caleffi S.p.A.
S.R. 229 no. 25
28010 Fontaneto d’Agogna
Italy
579 series
Supply: 230V (ac) ±10%
Power: xxx VA
PMAX: 10 bar (1 MPa)
TMAX: 90°C
TMIN: 5°C
TROOM: 5-50 °C
IP 42
H0004833
4
Caleffi S.p.A.
S.R. 229 no. 25
28010 Fontaneto d’Agogna
Italy
579 series
Supply: 230V (ac) ±10%
Power: xxx VA
PMAX: 10 bar (1 MPa)
TMAX: 90°C
TMIN: 5°C
TROOM: 5-50 °C
IP 42
H0004833
4
V1
Air vent valve
V2
M1
V3
V1
V1
M1
V3
Caleffi S.p.A.
S.R. 229 no. 25
28010 Fontaneto d’Agogna
Italy
579 series
Supply: 230V (ac) ±10%
Power: xxx VA
PMAX: 10 bar (1 MPa)
TMAX: 90°C
TMIN: 5°C
TROOM: 5-50 °C
IP 42
H0004833
4
V1
M1
V3
V3
Vacuum breaker valve
Clapet check valve
V2
V2
Filling with system water
Filling with mains water
8
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