BIFFI 494POW5034 with 494POW5033 electric actuators

BIFFI 494POW5034 with 494POW5033 electric actuators

STORAGE AND PRE-INSTALLATION

TESTS TO BE CARRIED OUT WHEN THE ACTUATOR IS RECEIVED

If the actuator is received already mounted on the valve, all operations should have already been performed during valve/actuator assembly. 

• Check that the display is active. 

• Turn the handwheel until the valve is in a completely open position. 

• Check that the display reads 100% indicating that the valve is completely open. 

• Rotate the handwheel clockwise and bring the valve to a completely closed position. 

• Check that the display reads 0% indicating that the valve is completely closed.

If the test result is satisfactory, the actuator has already been adjusted and you can proceed with the electrical connection. If the actuator is delivered separately from the valve, or the above procedure shows that the position is incorrect, all operations described in this manual must be carried out. 

• Check that no damage has occurred during transport, especially to the push-buttons, the display area glass and the selector. 

• Check the information on the nameplate: serial number and performance data (nominal torque, operation speed, protection class, motor supply voltage, etc.), and verify the corresponding data on the display (see chapter 10, View routines).

Outdoor storage

• Make sure that the actuators are protected from the direct action of weather agents (protection by a canvas tarp or similar cover). 

• Place the actuators on a wooden pallet, or some other raised platform, so that they are not in direct contact with the ground. 

• If the actuators are supplied with standard plastic plugs, remove them from the cable entries and replace them with weatherproof plugs.

WORKING CONDITION

The standard actuators are suitable for the following environment temperatures: 

-30°C +85°C (-22°F to +185°F) 

Special versions are available for extreme environment temperatures: 

-40°C +70°C (-40°F to +158°F) -55°C +70°C (-67°F to +158°F)

CHECKS TO BE PERFORMED BEFORE INSTALLATION

• Make sure the valve to be motorized is the appropriate one for coupling to the actuator. 

• The electrical supply cables must be suitable for the power rating (see the test certificate that comes with the actuator). 

• Gather the right tools for the assembly and for setting the actuator controls.

If a long storage period has occurred, before reinstalling the actuator, please: 

• Check the status of the O-ring seals. 

• Check the installation of the plugs or cable glands on the cable entries. 

• Check whether the enclosure covers or the actuator body are cracked or broken. 

• Check the oil level in the actuator and top up if necessary. 

• Put the batteries back into place (see paragraph 11.3, Maintenance - Lithium battery change).

ELECTRICAL CONNECTIONS

Before powering the actuator check that the supply voltage details on the nameplate are correct for the plant. Access to terminals for electrical connections and commissioning is through the terminal cover, since all settings are non-intrusive. The removal of any other covers without Biffi’s approval will invalidate the warranty. Biffi will not accept any responsibility for any damage or deterioration that may be caused.

Certified cable entries:

- Standard Rc ISO7/1 (cable entries 2x1”+1x1½”+ (optional) 1x¾” + (optional) 1x1¾”) 

- Standard ASA/NPT (cable entries 2x1”+1x1½”+ (optional) 1x¾" + (optional) 1x1¾") 

- Metric BS 3643 (cable entries 2xM32+1xM40) 

- Pg DIN 40430 (cable entries 2xPg21+1xPg29)