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4 Installation
4 Installation
4.1 Mechanical installation
4.1.1 Installation area
DANGER:
Potentially explosive atmosphere hazard. The operation of the unit in environments with
potentially explosive atmospheres or with combustible dusts (e.g.: wood dust, flour, sugars
and grains) is strictly forbidden.
Do not use the unit to handle hazardous or flammable liquid.
WARNING:
• Always wear personal protective equipment.
• Always use suitable working tools.
• When selecting the place of installation and connecting the unit to the hydraulic and
electric power supplies, strictly comply with current regulations.
• Ensure that the environmental / ingress protection rating of the unit (Type 3R, IP 55) is
suitable for the installation environment.
• Do NOT install this pump in swimming pools or marine areas. Failure to follow these
instructions could result in serious personal injury, death and/or property damage.
CAUTION:
• Environmental / ingress protection: to ensure the Type 3R (IP55) protection index is
achieved, make sure that the unit is closed correctly.
• Before opening the terminal box cover, make sure that there is no water in the unit.
• Make sure that all unused cable glands and cable holes are correctly sealed.
• Make sure that the plastic cover is correctly closed.
• Do not leave the terminal box without a cover to avoid the risk of damage due to
contamination.
• Risk of electrical shock or burn. The equipment manufacturer has not evaluated this unit
for use in swimming pools.
• This pump has been evaluated for use with water only.
4.1.2 Unit installation
• Position the unit as shown in Figure 4.
• Install the unit according to the liquid flow of the system.
• The arrows on the pump body indicate the flow and the rotation direction.
• The standard rotation direction is clockwise (looking at the fan cover).
• Always install a backflow-prevention device on the suction side.
• Always install the pressure sensor on the delivery side, after the check valve.
16
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hydrovar
X Smart Pump Range INSTRUCTION MANUAL
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