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Idiomas disponibles
Idiomas disponibles
GB
1 GENERAL INFORMATIONS
This instructions describe the function, installation and start up of the hydraulic heating circulation pumps unit.
The instructions aren't a complete description of the hydraulic unit.
Improper usage excludes any liability claims.
2 PRODUCT DESCRIPTION
1. Ball valve with delivery thermometer
2. Pump Wilo or Grundfos (if present)
3. Delivery
4. Return
5. Check valve
6. Return pipe
7. Ball valve with return thermometer
8. Adjustable regulation (optional)
9. Insulation box
9
2.1 FUNCTION
Heating circulation pump unit is used for feeding circuits of heating systems without modify the temperature. The
temperature of delivery and return can be checked using the two thermometers. In the return pipe there is a check valve
that avoids flow return when the pump is off.
2.2 PUMP
Heating circulation pump unit can be provided without pump, with pump Wilo Star-RS 25/6-130 or pump Grundfos UPS
25/65-130. The features of the pumps are reported here.
WILO Star-RS 25/6-130
6
7
6
5
3
2
1
P
=10 bar
max
T
=110° C
max
HYDRAULIC DIAGRAM
1
2
4
3
GRUNDFOS UPS 25/65-130
Heating system
7
8
Boiler/zone manifold side
3
2
1
P
=10 bar
max
T
=110° C
max
1
2
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