Rietschle Thomas DRUVAC VTA Serie Instrucciones De Uso página 6

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The filter housing (S) should be easily
accessible. There must be a minimum
space of 40 cm in front of the suction
grid (G) and end cover (b) for servicing.
Cooling air entries (E) and cooling air
exits (F) on one sided cooling exit (pic­
ture ) or on the two sided cooling
exits (F) at two side cooling exit (pic­
ture ), must have a minimum distance
of 30 cm from any obstructions. The
discharged cooling air must not be re­
circulated.
When installed on a solid base the pumps
may be installed without fixing down. If
the pumps are installed on a base plate
we would recommend fitting anti­vibra­
tion mounts. This range of vacuum pumps
are almost vibration free in operation.
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1.Vacuum connection at (A).
2. The electrical data can be found on the data plate (N) or the motor data plate. The motors correspond to DIN/VDE 0530 and have IP 54
protection and insulation class B or F. The connection diagram can be found in the terminal box on the motor (unless a special plug connection
is fitted). Check the electrical data of the motor for compatibility with your available supply (voltage, frequency, permissible current etc.).
3. Connect the motor via a relevant direct on­line motor starter. It is advisable to use thermal overload motor starters to protect the motor and wiring.
All cabling used on starters should be secured with good quality cable clamps.
We recommend that motor starters should be used that are fitted with a time delayed trip resulting from running beyond the amperage setting.
When the unit is started cold overamperage may occur for a short time.
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1. Initially switch the pump on and off for a few seconds to check the direction of rotation against the direction arrow (O).
2. Connect the suction pipe at (A).
3. Vacuum regulating valve:
The vacuum can be adjusted by turning the regulating valve (C) according to the symbols on the top of the regulating valve.
Noise Emission: The worst noise levels considering direction and intensity measured according to DIN 45635 part 3 (as per 3. GSGV) are shown
in the table at the back. When working permanently in the vicinity of an operating pump we recommend wearing ear protection to avoid any damage
to hearing.
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