Electrical Connection - EAS ELECTRIC EMCH Serie Manual De Instalación Y Manual De Usuario

national rule the appliance shall be installed in accordance with national wiring regulations.
e) If the fluid in the circuit contains anti-freeze, it should not be allowed to drain freely as it is pollutant. It
should be collected for possible reuse. When draining after heat pump operation, take care as the water may
be hot (up to 50°).

14.8 Electrical connection

The unitary mini chillers leave the factory already wired, and require the installation of an omni polar thermal
overload switch, a lockable mains disconnecting switch for the connection to the mains power supply, and
the connection of the flow switch to the corresponding terminals. All the above operations must be carried
out by qualified personnel in compliance with the legislation in force.
For all electrical work, refer to the electrical wiring diagrams in this manual. You are also recommended to
check that the characteristics of the mains electricity supply are adequate for the absorptions indicated in the
electrical characteristics table below, also bearing in mind the possible use of other equipment at the same
time.
Important
Power to the unit must be turned on only after installation work (hydraulic and electrical) has been

completed.
All electrical connections must be carried out by qualified personnel in accordance with legislation

in force in the country concerned.
Respect instructions for connecting phase, neutral and earth conductors.

The power line should be fitted upstream with a suitable device to protect against short-circuits and

leakage to earth, isolating the installation from other equipment.
Voltage must be within a tolerance of ±10% of the rated power supply voltage for the unit (for three

phase units, the unbalance between the phases must not exceed 3%).If these parameters are not
respected, contact the electricity supply company.
For electrical connections, use double insulation cable in conformity with current legislation in the

country concerned.
An omnipolar thermal overload switch and a lockable mains disconnecting switch, in compliance

with the CEI-EN standards (contact opening of at least 3mm), with adequate switching and residual
current protection capacity based on the electrical data table shown below, must be installed as
near as possible to the appliance.
The devices on the unit must be lockable. An efficient earth connection is obligatory. Failure to

earth the appliance absolves the manufacturer of all liability for damage.
Do not use water pipes to earth the unit.
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