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4 MECHANICAL INSTALLATION
Safety
All EWWT-Q/ EWLT-Q / EWHT-Q machines are built in compliance with the main European Directives (Machinery Directive, Low
Voltage Directive, Electromagnetic Compatibility Directive, PED Pressure Equipment Directive); be sure to receive, together with
the documentation, also the Declaration of Conformity (DoC) of the product to the directives.
Before installation and commissioning of the machinery, the people involved in this activity must have acquired the information
necessary to perform these tasks, applying all the information gathered in this manual.
The unit must be firmly secured to the soil.
It is essential to observe the following instructions:
− It is forbidden to access the electrical components without having opened the main switch and switched off the power supply.
− It is forbidden to access the electrical components without using an insulating platform. Do not access the electrical
components if water and/or moisture are present.
− The sharp edges can cause injuries. Avoid direct contact and use adequate protection device.
− Do not insert solid object in the water pipes.
− A mechanical filter must be installed on the water pipe connected to the heat exchanger inlet.
− The unit is supplied with high pressure switches and/or safety valves, that are installed both on the high-pressure and on the
low-pressure sides of the refrigerant circuit: be careful.
It is absolutely forbidden to remove the protections of moving parts.
In case of a sudden stop. follow the instructions listed in the Control Panel Instruction Manual which is part of the on-board
documentation.
It is strongly recommended that the installation and maintenance operations not be performed alone but with other people.
In case of accidental injury or unease, it is necessary to:
− keep calm.
− Press the alarm button, if present at the installation site, or open the main switch
− move the injured person in a warm place far from the unit and in rest position.
− contact immediately emergency rescue personnel of the building or the Health Emergency Service
− wait without leaving the injured person alone until the rescue operators come.
− Give all necessary information to the rescue operators.
Handling and lifting
The unit must be lifted with the utmost care and attention, following the lifting instructions shows on the label applied to the unit. Lift
the unit very slowly, keeping it perfectly levelled.
Avoid bumping and/or shaking the unit during the handling and loading/unloading operations from the transportation vehicle, push
or pull the unit only using the base frame. Secure the unit inside the truck to prevent it from moving and causing damages. Do not
allow any part of the unit to fall during loading/unloading.
All units have holes in the base frame. Only these points may be used for lifting the unit, as shown in the following figure. The unit
can be handled and lifted with a pallet truck if wooden spacers are present.
The handling and lifting with a forklift are the only rigging methods using the base frame’s holes.
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