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  Speed adjustment, on pumps provided with the necessary device, is accomplished by turning   
the three position switch, even when the motor is live.
  In twin pumps, simultaneous operation must be at the same speed.
  FIG. 12

 

 

MAINTENANCE :

  The circulator does not require any maintenance.
  At the start of the winter season, ensure that the motor shaft is not blocked.
  FIG. 13

Содержание VA 35/130

Страница 1: ...Installation Maintenance Instructions VA VB A B VD VS ...

Страница 2: ...VS 35 150 VD 55 220 32 VD 65 220 32 VS 65 150 The Company DAB PUMPS s p a Via M Polo 14 Mestrino PD ITALY declares under its own responsibility that the above mentioncd products comply with Directive on electromagnetic compatibility no 89 336 and subsequent modifications Directive on low voltage no 73 23 and subsequent modifications Mestrino PD 07 Gennaio 1998 Attilo Conca Legal Representative ...

Страница 3: ...ing up of the pump must be carried out by skilled personnel in compliance with the general and local safety regulations in force Failure to abide by these instructions invalidates every right to the guarantee as well as endangering persons and equipment ...

Страница 4: ...olation valve on both the intake pipe and delivery pipe FIG 5 Always fit the circulator with the motor shaft in a horizontal position avoiding the dripping of water onto the motor and onto the terminal board FIG 6 Avoid mixing hydrocarbon derived additives and aromatic products with the circulating water Antifreeze Max 30 Provide an anti scale system in domestic water circulating units where the w...

Страница 5: ...ELECTRICAL CONNECTION Supply voltage and frequency must be the same as shown on the data plate The circulator must ALWAYS BE CONNECTED TO EARTH Make the connection as indicated below FIG 7 ...

Страница 6: ...ntact distance of at least 3mm No overload protection is required Use rubber cables HO5RR F 3xO 75mmFIG 8 STARTING UP After installation fill and bleed the system before running the circulator Start the circulator at top speed FIG 9 ...

Страница 7: ...essary to bleed air from the motor slowly slacken the breather cap and let the fluid out for a few seconds FIG 10 Avoid running the circulator when there is no water in the system TAKE CARE DANGER OF SCALDS FIG 11 ...

Страница 8: ...by turning the three position switch even when the motor is live In twin pumps simultaneous operation must be at the same speed FIG 12 MAINTENANCE The circulator does not require any maintenance At the start of the winter season ensure that the motor shaft is not blocked FIG 13 ...

Страница 9: ...ake pressure too low The pump is noisy Select a lower speed Bleed the system Flow rate to high Air in the system The system is noisy Check the electric connections and fuses Check the data on the plate and apply the corect voltage Change the capacitor Select the maximum speed and or free with a screwdriver No supply voltage Incorrect supply voltage Faulty capacitor single phase motors Rotor is blo...

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