Wilo Star STG
Wilo Star STG
01622 882400 /
 info@atacsolutions.com
                                                                                      15
                                                                                10
                                                                                         /11
                                                                                           15
                                                                                              /9
                                                                                 8
                                                                                       1
                                                                                     (255
                                                                                 6       )/6           25(30
                                                                                             ,5             )/7
                                                                                                                                   25(
                                                                                 4 15(25                                               30 )/8
                                                                                              )/4
                                                                                                                   15(
                                                                                 2                                    25)
                                                                                                                              /6
                                                                                 0
                                                                                  0                1           2         3            4         5 Q/m³/h
Design                                                                        Equipment/function
Glandless circulation pump with threaded connection. Preselectable speed      Operating modes
stages for power adjustment                                                   • Speed-stage switching
                                                                              Manual functions
Application                                                                   • Setting of the speed stages: 3 speed stages
Primary circuits of solar and geothermal systems                              Equipment
                                                                              • Wrench attachment point on pump body (only for nominal diameter
Type key                                                                         DN 25)
 Example:             Star STG 25/6                                           • Cable lead-in possible on both sides
                                                                              • Quick connection with spring clips
                      Standard pump for solar and geothermal energy
 Star-STG                                                                     • Blocking current-proof motor
                      systems
 25/                  Nominal diameter Rp 1                                   Materials
                                                                              • Pump housing: Grey cast iron
 6                    Max. delivery head in m
                                                                              • Impeller: Polypropylene
                                                                              • Shaft: stainless steel
Special features/product advantages                                           • Bearing: Carbon, metal impregnated
 • Special hydraulics for use in solar and geothermal energy systems
 • Pump housing with wrench attachment point                                  Scope of delivery
 • Pump housing with cataphoretic coating for the prevention of                • Pump
   corrosion by condensation formation                                         • Seal
                                                                               • Installation and operating instructions
Technical data
• Permissible temperature range -10 °C to +110 °C, in short-term              Accessories
   operation (2 h) +120 °C (Wilo-Star-STG 25(30)/7 and Wilo-Star-             • Screwed connections
   STG 25(30)/8 +10 °C to +110 °C)                                            • Adapter fittings
• Mains connection 1~230 V, 50 Hz                                             • Thermal insulation shells
• Protection class IP X4D
• Threaded connection Rp ½, Rp 1 and Rp 1¼
• Max. operating pressure 10 bar
 01622 882400 /
 info@atacsolutions.com
                                                                                                                                         Maximum permissible
    0                                                                                                                                                                    Pmax      10 bar
        0            0,5         1,0            1,5              2,0               2,5          3,0          3,5 Q/m³/h                  operating pressure
        0                  0,2                 0,4                      0,6               0,8                  1,0 Q/l/s
                                                                                                                                         Insulation class                          F
                                                          130
             G1                                                               33                 96                                      Power consumption               P1        28 / 38 / 48 W
            (Rp ½)
             92,5                                                                                                                        Current consumption             I         0.13 / 0.17 / 0.21 A
                                                                                                                                         Materials
                                                                                                                                         Pump housing                              Grey cast iron (EN-GJL-200)
Impeller Polypropylene
01622 882400 /
info@atacsolutions.com
Make Wilo
 01622 882400 /
 info@atacsolutions.com
    4                                                ma
                                                       x.                                                                                   Permitted field of application
    3
                                                                                                                                            Temperature range at max. ambient         •
    2                                                                                                                                       temperature +40 °C                        -10 to +110 °C (in short-term
                              m
                                  in
                                       .                                                                                                                                              operation 2 h: +120 °C)
    1
                                                                                                                                            Maximum permissible
    0                                                                                                                                                                       Pmax      10 bar
     0                        1                             2                       3                    4          Q/m³/h                  operating pressure
        0            0,2                       0,4              0,6               0,8         1,0             1,2     Q/l/s
                                                                                                                                            Insulation class                          F
                                                                 130
             G1                                                                   33                97                                      Power consumption               P1        41 / 54 / 63 W
            (Rp ½)
             92,5                                                                                                                           Current consumption             I         0.18 / 0.23 / 0.28 A
                                                                                                                                            Materials
                                                                                                                                            Pump housing                              Grey cast iron (EN-GJL-200)
Impeller Polypropylene
01622 882400 /
info@atacsolutions.com
Make Wilo
 01622 882400 /
 info@atacsolutions.com
80 max. Thread G1
   0
       0           0,5         1,0              1,5             2,0              2,5          3,0         3,5 Q/m³/h                  Motor/electronics
                                                                                                                                      Electromagnetic compatibility             EN 61800-3
                                PG 11                                                                                                 Protection class                          IP 44
                                                                                                                 54
Insulation class F
                                                                                                    78
                                                                                                                                                                                2303 - 2707 rpm
                                                                                                                                      Power consumption               P1        35 / 52 / 70 W
            G1                                                              33                96
           (Rp ½)                                                                                                                     Current consumption             I         0.16 / 0.24 / 0.30 A
            92,5
                                                                                                                                      Motor protection                          Not required (blocking-current
                                                                                                                                                                                proof)
Terminal diagram
                                                                                                                                      Threaded cable connection       PG        1x11
                                                                                                                                      Materials
                                                                                                                                      Pump housing                              Grey cast iron (EN-GJL-200)
Impeller Polypropylene
01622 882400 /
info@atacsolutions.com
Make Wilo
     01622 882400 /
     info@atacsolutions.com
P1/W
                                                                                                                                           Threaded pipe union                       Rp ½
 120
                                      max.
                                                                                                                                           Thread                                    G1
 100
     80
                                                                                                                                           Overall length                  L0        180 mm
     60                              min
                                                                                                                                           Motor/electronics
     40
                                                                                                                                           Insulation class                          F
90
78,8
                           G1
                                                                                                        78
                                                                                                                                           Power consumption               P1        50 / 78 / 110 W
              67,2                                                              22,5              105
                      130,4                                                                                                                Current consumption             I         0.23 / 0.34 / 0.50 A
                                                                                                                                           Materials
                                                                                                                                           Pump housing                              Grey cast iron (EN-GJL-200)
Impeller Polypropylene
01622 882400 /
info@atacsolutions.com
Make Wilo
     01622 882400 /
     info@atacsolutions.com
P1/W
                                                                                                                                          Threaded pipe union                       Rp ½
 160
                                  max.                                                                                                    Thread                                    G1
 140
 120
                                                                                                                                          Overall length                  L0        180 mm
 100
                                                                                                                                          Motor/electronics
     80                           min.
                                                                                                                                          Insulation class                          F
90
78,8
                           G1
                                                                                                       91
                                                                                                                                          Power consumption               P1        75 / 115 / 165 W
              67,2                                                             22,5              118
                      130,4                                                                                                               Current consumption             I         0.32 / 0.52 / 0.72 A
                                                                                                                                          Materials
                                                                                                                                          Pump housing                              Grey cast iron (EN-GJL-200)
Impeller Polypropylene
01622 882400 /
info@atacsolutions.com
Make Wilo
 01622 882400 /
 info@atacsolutions.com
                                                                                                                                         Maximum permissible
    0                                                                                                                                                                    Pmax      10 bar
        0            0,5         1,0            1,5              2,0               2,5          3,0          3,5 Q/m³/h                  operating pressure
        0                  0,2                 0,4                      0,6               0,8                  1,0 Q/l/s
                                                                                                                                         Insulation class                          F
                                                          180
            G 1½                                                              33                 96                                      Power consumption               P1        28 / 38 / 48 W
            (Rp 1)
             92,5                                                                                                                        Current consumption             I         0.13 / 0.17 / 0.21 A
                                                                                                                                         Materials
                                                                                                                                         Pump housing                              Grey cast iron (EN-GJL-200)
Impeller Polypropylene
01622 882400 /
info@atacsolutions.com
Make Wilo
 01622 882400 /
 info@atacsolutions.com
    4                                                ma
                                                       x.                                                                                   Permitted field of application
    3
                                                                                                                                            Temperature range at max. ambient         •
    2                                                                                                                                       temperature +40 °C                        -10 to +110 °C (in short-term
                              m
                                  in
                                       .                                                                                                                                              operation 2 h: +120 °C)
    1
                                                                                                                                            Maximum permissible
    0                                                                                                                                                                       Pmax      10 bar
     0                        1                             2                       3                    4          Q/m³/h                  operating pressure
        0            0,2                       0,4              0,6               0,8         1,0             1,2     Q/l/s
                                                                                                                                            Insulation class                          F
                                                                 180
            G 1½                                                                  33                96                                      Power consumption               P1        41 / 54 / 63 W
            (Rp 1)
             92,5                                                                                                                           Current consumption             I         0.18 / 0.23 / 0.28 A
                                                                                                                                            Materials
                                                                                                                                            Pump housing                              Grey cast iron (EN-GJL-200)
Impeller Polypropylene
01622 882400 /
info@atacsolutions.com
Make Wilo
 01622 882400 /
 info@atacsolutions.com
80 max. Thread G 1½
   0
       0           0,5         1,0              1,5             2,0              2,5          3,0         3,5 Q/m³/h                  Motor/electronics
                                                                                                                                      Electromagnetic compatibility             EN 61800-3
                                PG 11                                                                                                 Protection class                          IP 44
                                                                                                                 54
Insulation class F
                                                                                                    78
                                                                                                                                                                                2303 - 2707 rpm
                                                                                                                                      Power consumption               P1        35 / 52 / 70 W
           G 1½                                                             33                96
           (Rp 1)                                                                                                                     Current consumption             I         0.16 / 0.24 / 0.30 A
            92,5
                                                                                                                                      Motor protection                          Not required (blocking-current
                                                                                                                                                                                proof)
Terminal diagram
                                                                                                                                      Threaded cable connection       PG        1x11
                                                                                                                                      Materials
                                                                                                                                      Pump housing                              Grey cast iron (EN-GJL-200)
Impeller Polypropylene
01622 882400 /
info@atacsolutions.com
Make Wilo
 01622 882400 /
 info@atacsolutions.com
  150                                                                                     max.
                                                                                                                                           Thread                                    G 1½
  100
                                            min.                                                                                           Overall length                  L0        180 mm
   50
    0                                                                                                                                      Motor/electronics
        0           1                       2                3                4            5                6     Q/m³/h
                                                                                                                                           Protection class                          IP 44
                                      PG 11
                                                                       90
                                                                                                                                           Insulation class                          F
                                                                                                                       79
                                                                                                                                           Materials
                                                                                                                                           Pump housing                              Grey cast iron (EN-GJL-200)
01622 882400 /
info@atacsolutions.com
 01622 882400 /
 info@atacsolutions.com
  150                                                                                     max.
                                                                                                                                           Thread                                    G2
  100
                                            min.                                                                                           Overall length                  L0        180 mm
   50
    0                                                                                                                                      Motor/electronics
        0           1                       2                3                4            5                6     Q/m³/h
                                                                                                                                           Protection class                          IP 44
                                      PG 11
                                                                       90
                                                                                                                                           Insulation class                          F
                                                                                                                       79
                                                                                                                                           Materials
                                                                                                                                           Pump housing                              Grey cast iron (EN-GJL-200)
01622 882400 /
info@atacsolutions.com
 01622 882400 /
 info@atacsolutions.com
    0                                                                                                                               Motor/electronics
        0           1                       2               3              4           5                6   Q/m³/h
                                                                                                                                    Protection class                          IP 44
                                      PG 11
                                                                  90
                                                                                                                                    Insulation class                          F
                                                                                                                79
                                                                                                                                    Materials
                                                                                                                                    Pump housing                              Grey cast iron (EN-GJL-200)
01622 882400 /
info@atacsolutions.com
Weight approx. m 3 kg
 01622 882400 /
 info@atacsolutions.com
    0                                                                                                                               Motor/electronics
        0           1                       2               3              4           5                6   Q/m³/h
                                                                                                                                    Protection class                          IP 44
                                      PG 11
                                                                  90
                                                                                                                                    Insulation class                          F
                                                                                                                79
                                                                                                                                    Materials
                                                                                                                                    Pump housing                              Grey cast iron (EN-GJL-200)
01622 882400 /
info@atacsolutions.com