D-EIMHP01601-22_01EN 18/26
12
OPERATOR’S REPONSIBILITIES
It is essential that the operator is appropriately trained and becomes familiar with the system before operating the unit. In
addition to reading this manual, the operator must study the microprocessor operating manual and the wiring diagram to
understand start-up sequence, operation, shutdown sequence and operation of all the safety devices.
During the unit initial start-up phase, a technician authorized by the manufacturer is available to answer any questions
and to give instructions as to the correct operating procedures.
The operator must keep a record of operating data for every installed unit. Another registration must also be kept for all
the periodic maintenance and assistance activities.
If the operator notes abnormal or unusual operating conditions, he is advised to consult the technical service authorized
by the manufacturer.
If the unit is switched off, the compressor oil heater cannot be used. Once the unit is reconnected to the mains,
leave the compressor oil heater charged for at least 6 hours before restarting the unit.
Failure to observe this rule may cause damage to the compressors due to excessive accu mulation of liquid
inside them.
This unit represents a substantial investment and deserves the attention and care to keep this equipment in good working order.
However, during operation and maintenance it is essential to observe the following instructions:
•
Do not allow unauthorized and / or unqualified personnel to access the unit.
•
It is forbidden to access the electrical components without having opened the unit 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.
•
Verify that all operations on the refrigerant circuit and on the components under pressure are carried out exclusively by
qualified personnel.
•
The replacement of the compressors must be carried out exclusively by qualified personnel.
•
Sharp edges and the surface of the condenser section could cause injury. Avoid direct contact and use adequate protec-
tion device.
•
Do not introduce solid objects into the water pipes while the unit is connected to the system.
•
It is absolutely forbidden to remove all protections of moving parts.
In case of sudden stop of the unit, follow the instructions on the Control Panel Operating Manual which is part of the on-board
documentation delivered to the end user.
It is strongly recommended to perform installation and maintenance with other people.
Avoid installing the unit in areas that could be dangerous during maintenance operations, such as
platforms without parapets or railings or areas not complying with the clearance requirements around
the unit.
Summary of Contents for EWLQ025KCW1N
Page 24: ...D EIMHP01601 22_01EN 24 26 NOTES...
Page 25: ...D EIMHP01601 22_01EN 25 26...
