4
Prior to the initial start-up of the 30RB units, the people
involved should be thoroughly familiar with these instructions
and with the technical characteristics of the installation site.
30RB chillers are designed to provide a very high safety and
reliability level making installation, start-up, operation and
maintenance easier and more secure. They will provide safe
and reliable service if used within their application range.
The procedures in this manual are arranged in the sequence
required for machine installation, start-up, operation and
maintenance.
Be sure you understand and follow the procedures and
safety precautions contained in the instructions supplied
with the machine, as well as those listed in this guide, such
as: protective clothing such as gloves, safety glasses, safety
shoes and appropriate tools, and suitable qualifications
(electrical, air conditioning, local legislation).
To find out, if these products comply with European direc-
tives (machine safety, low voltage, electromagnetic compati-
bility, equipment under pressure etc.) check the declarations
of conformity for these products.
• Check that the unit has not been damaged during
transport and that no parts are missing. If the unit has
been damaged or the shipment is incomplete, send a
claim to the shipping company.
• Compare the name plate data with the order. The name
plate is attached in two places to the unit:
- on one of the unit sides on the outside,
- on the control box door on the inside.
• The unit name plate must include the following
information:
- Model number - size
- CE marking
- Serial number
- Year of manufacture and pressure and leak
tightness test date
- Refrigerant used
- Refrigerant charge per circuit
- PS: Min./max. allowable pressure (high and low
pressure side)
- TS: Min./max. allowable temperature (high and
low pressure side)
- Pressure switch cut-out pressure
- Unit leak test pressure
- Voltage, frequency, number of phases
- Maximum current drawn
- Maximum power input
- Unit net weight
• Confirm that all accessories ordered for on-site installa-
tion have been delivered, are complete and undamaged.
The unit must be checked periodically, if necessary removing
the insulation (thermal, acoustic), during its whole operat-
ing life to ensure that no shocks (handling accessories, tools
etc.) have damaged it. If necessary, the damaged parts must
be repaired or replaced. See also chapter “Maintenance”.
After the unit has been received, and before it is started up,
it must be inspected for damage. Check that the refrigerant
circuits are intact, especially that no components or pipes
have shifted or been damaged (e.g. following a shock). If in
doubt, carry out a leak tightness check. If damage is detected
upon receipt, immediately file a claim with the shipping
company.
Do not remove the skid or the packaging until the unit is
in its final position. These units can be moved with a fork
lift truck, as long as the forks are positioned in the right
place and direction on the unit.
The units can also be lifted with slings, using only the
designated lifting points marked on the unit (labels on
the chassis and a label with all unit handling instructions
are attached to the unit).
Use slings with the correct capacity, and always follow
the lifting instructions on the certified drawings supplied
for the unit.
Safety is only guaranteed, if these instructions are carefully
followed. If this is not the case, there is a risk of material
deterioration and injuries to personnel.
DO NOT COVER ANY PROTECTION DEVICES.
This applies to fuse plugs and safety valves (if used) in the
refrigerant or heat transfer medium circuits. Check if the
original protection plugs are still present at the valve outlets.
These plugs are generally made of plastic and should not be
used. If they are still present, please remove them. Install
devices at the valve outlets or drain piping that prevent the
penetration of foreign bodies (dust, building debris, etc.) and
atmospheric agents (water can form rust or ice). These
devices, as well as the drain piping, must not impair
operation and not lead to a pressure drop that is higher
than 10% of the control pressure.
Classification and control
In accordance with the Pressure Equipment Directive and
national usage monitoring regulations in the European
Union the protection devices for these machines are
classified as follows:
High-pressure switch x
External relief valve*** x
Rupture disk x
Fuse plug x
External relief valve**** x x
* Classied for protection in normal service situations.
** Classied for protection in abnormal service situations.
*** The instantaneous over-pressure limited to 10% of the operating pressure
does not apply to this abnormal service situation. The control pressure can be
higher than the service pressure. In this case either the design temperature or
the high-pressure switch ensures that the service pressure is not exceeded in
normal service situations.
**** The classication of these safety valves must be made by the personnel that
completes the whole hydronic installation.
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