HWA1-A
Air/water chillers with axial fans
4
WARNING:
Before proceeding, you should read
the user’s
-installer manual accompanying the appliance.
All the operations described below must be carried out only by QUALIFIED PERSONNEL.
The wiring to the terminal block must be performed by qualified personnel.
Any routine and/or not-routine maintenance operation shall be carried out when the equipment has been shut
down, disconnected from electric power supply.
Do not put neither your hands nor insert screwdrivers, spanners or other tools into moving parts of the
equipment.
The equipment supervisor and the maintenance man have to receive suitable training for the performance of
their tasks in safety.
The access to the electric panel is limited only for authorized personnel.
Operators have to know how to use personal protective devices and have to know the accident-prevention
guidelines contained in national and international laws and norms.
The operator’s workplace has to be kept clean, tidy and free from objects that may prevent free movements.
Appropriate lighting of the work place shall be provided so as to allow the operator to carry out the required
operations safely. Poor or too strong lighting can cause risks.
Ensure that the work places are always adequately ventilated and that aspirators are working, in good
condition and in compliance with the requirements of the laws in force.
Not all the configurations can be simultaneously enabled and/or changed.
Other values different than those of default can ensure the proper operation of the unit, in case of doubt about
the value to be set contact please our office.
The company excludes any contractual and extra contractual liabilities for damages caused to persons, animals
or objects, by incorrect installation, setting and maintenance, improper use of the equipment, and the partial
or superficial reading of the information contained in this guide.
The access to the electric panel is limited for authorized personnel only.
It’s forbidder t
o carry out any work on the equipment under voltage.
To touch the equipment if you are not allowed.
If the lightning risk is high, the unit must be protected, the risk assessment must comply with the CEI EN 62305-2
regulation.
If there is a possibility that a lightning can strike the area around the appliance, shut down the unit and
disconnect the system upstream switch.
Make sure to ground the unit.
Do not ground the unit with pipes or lightning rods.
A poor grounding of the unit can result in electrocution.
Warning: Electrostatic discharges can damage the electronic components, before performing any work; ground
the electrostatic charge by touching objects such as water or heating pipes.
Requirements before performing electrical work on the control board:
Turn off the unit from the control panel ("OFF" displayed).
Put the switch “QF” general differential on OFF position
Wait for 15 seconds before getting access to the electric board
Check the ground connection before beginning any operation.
Be sure that you are well insulated from the ground, with dry hands and feet, or by using insulating platforms
and gloves.
Check that there is no foreign material near the system.
4
PURPOSES AND CONTENTS OF THE MANUAL
This manual collects the basic information concerning the configuration of the onboard control panel of the unit.
It is addressed to the installer/user of the unit: it allows you to operate the machine efficiently, even without any previous specific
knowledge of it.
Not all the described functions can be individually and/or simultaneously selected. Please contact the technical office for any
information.
This manual describes the characteristics of the equipment when it was being put in marketing; therefore, it may not capture later
technological improvements introduced by the company as part of its constant endeavors in order to enhance the performance,
ergonomics, safety and functionality.
The company introduces also technological improvements and is not constrained to update the manuals for previous versions of
appliances that could not be compatible. So make sure to use the provided manual for the installed unit.
It’s recommended that, the user must follow the instructions contained in this booklet, especially those concerning the safet
y and
routine maintenance.
Содержание HWA1-A 0140
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