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APPLICATIONS:

 VA , VB , A , B , D ; for hot water in domestic heating systems. .
 S; for domestic water supply

INSTALLATION :

 On the delivery pipe or the return pipe. The arrow stamped on the pump body indicates the      
direction of flow.FIG. 4

 Install an isolation 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 water hardness TH is
higher than 15jF

Summary of Contents for VA 55/130

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

Page 2: ...S 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 o...

Page 3: ...ng 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 gu...

Page 4: ...lation 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...

Page 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...

Page 6: ...tact 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 th...

Page 7: ...ssary 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 S...

Page 8: ...y 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...

Page 9: ...ke 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...

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