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2.10. START-UP PROCEDURE
IMPORTANT!
Machine commissioning or the first start up (where provided for) must be carried out by skilled personnel from workshops authorised ,
qualified to work on this type of products.
IMPORTANT!
The use and maintenance manuals of the fans and any safety valves are enclosed with this manual and should be read in their entirety.
DANGER!
Before starting up, make sure that the installation and electrical connections conform with the instructions in the wiring diagram. Also
make sure that there are no unauthorised persons in the vicinity of the machine during the above operations.
DANGER!
The units are equipped with safety valves. When they cut in, they cause a loud noise and violent refrigerant and oil leaks. Do not ap-
proach the safety valve tripping pressure value. The safety valves are conveyable in accordance with current standards.
IMPORTANT!
A few hours before starting up the unit (at least 12), supply power to the machine in order to power the electrical resistances designed
to heat up the compressor crankcase. Each time the unit starts up the crankcase resistances switch off automatically.
Instructions for start-up
Configuration parameters
Summer working temperature setting
Antifreeze temperature setting
Antifreeze temperature differential
Low pressure exclusion time upon start-up/in function
Water differential pressure switch exclusion time upon start-up/when running
Delay time for pump shutdown
Anticipation time pump ignition
Minimum time between 2 consecutive compressor start-ups of these
Before starting the unit, perform the following checks:
• the power supply must have characteristics that comply with those indicated on the identification plate and/or on the wiring diagram and must be within
the following limits:- variation in supply frequency ±2 Hz;- variation in supply voltage: ±10% of nominal;- unbalance between supply phases: <2%.
• The electrical supply system must be able to supply adequate current and be suitably sized to handle the load.
• Open the electric panel and make sure the terminals of the power supply and of the contactors are tight (they may have come loose during transport,
which could lead to malfunctions).
IMPORTANT!
Electrical connections must be made in compliance with the local installation standards in force in the place where the unit is installed,
and with the instructions in the wiring diagram provided with the unit.
When all the connections have been performed, the unit may be commissioned after the following points have been checked.
General unit conditions
START
Have the technical clearance distances indicated in the man-
ual been respected?
ᐁ YES
Is the unit damaged due to transport/installation?
ᐁ NO
The general conditions of the unit are compliant!
Checking of compressor oil level
START
Is the oil level sufficient?
ᐁ YES
Was pre-heating activated at least 12 hours before start-up?
ᐁ YES
The general conditions of the unit are compliant!
(*) The unit is equipped with a function that prevents starting, if the minimum heating time of the compressor crankcase heaters is not respected; this time is
evaluated by the software according to the outdoor air temperature (see Electronic Control manual).
H5xxxxx
71
Restore the indicated technical spaces
ᐅ
ᐅ
NO
ᐅ
ᐅ
Danger! Do not start the unit! Restore the unit!
YES
ᐅ
ᐅ
NO
Top up as necessary
ᐅ
ᐅ
NO
Activate pre-heating and wait 12 hours (*)
EasyPACK ECO - Nias
Standard settings
7°C
3°C
2°C
60"/10"
15"/3"
30"
60"
360"
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