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1
SAFETY
PRECAUTIONS
The following listed precautions must be taken
scrupulously, as they are essential in ensuring the
integrity of Immergas products.
HAZARD:
- Before servicing or accessing the inner parts,
the Air-Water Heat Pump supply voltage must
be disconnected.
- Only qualified personnel must do the installa-
tion and operating test.
- To prevent serious damage to the system and
serious accidents to users, all the precautions
and suggestions in this manual must absolutely
be taken.
1.1 HAZARD.
- This manual must be read carefully before
installation and then kept in a safe place, where
it can easily be found for future needs.
- For his/her own safety, the installer is required
to carefully read all the instructions contained
in this manual.
- The user installation and instructions manual
must be given to the user to keep in a safe place,
where it can be accessed for future needs or in
the event it needs to be handed over to a new
user following sale of the heat pump or of the
building in which it is installed.
- This manual explains the installation methods
of an Immergas Water-Air heat pump system.
Using unapproved components and/or dif-
ferent types of control systems automatically
invalidates any form of Warranty provided by
the manufacturer. In fact, the manufacturer
cannot be held liable for damages caused by
changes or methods of use that it did not pre-
viously authorise.
- This unit is compliant with the dictates of
the European Union Low Voltage Directive
(2006/98/CE) and Electromagnetic Compat-
ibility Directive (2004/108/CEE).
- The manufacturer shall not be held liable for
any damage caused by changes that were not
previously authorised in writing or by errors
in connecting the hydraulic and/or electrical
lines. Failure to follow these instructions and/or
using the unit out of the limits in the "Operating
Limits" table automatically invalidates any form
of Warranty provided by the manufacturer.
- The warranty shall be automatically invalidated
in the event even just one of these instructions
was not followed and the unit was made to
operate outside the Operating Field (Central
heating: from -25 to 35°C/Cooling: from 10 to
45°C) shown in the Unit Specifications on page
5 of this manual.
- The unit must not be used if it is damaged or
shows signs of faults; for example, excessive
noise or a burning smell.
- To prevent electrical shock, fires and/or acci-
dents, if the unit gives off smoke, the power
cable overheats and/or is damaged, and/or the
unit becomes very noisy, it is of fundamental
importance to open the protection switch and
contact the Immergas Customer Assistance.
- The unit, its electrical, hydraulic and refrigerant
connections, as well as its protections must be
regularly inspected. All these inspection opera-
tions must only be done by qualified personnel.
- The unit must be kept out of the reach of chil-
dren, as it contains live electrical components
and moving parts.
- The unit must not be repaired, moved and/or
reinstalled by unauthorised personnel, as to do
so may cause damage to the unit and/or cause
electrical shock and/or fires.
- There must be no containers containing fluids
or other objects on the unit.
- All the materials used to produce and package
the air-water heat pump are recyclable.
- The packaging materials and the remote control
(optional) batteries, when exhausted, must
be disposed of in compliance with the local
standards in force.
- At the end of its life cycle, the air-water heat
pump, which is special waste and contains
coolant, must be disposed of by bringing it
to an authorised centre or returning it to the
dealer where it was purchased.
- To prevent the risk of injury from contact with
the edges of the components, work gloves must
be worn when unpacking, handling, installing
and servicing the unit.
- The inner components (hydraulic pipes,
coolant pipes, heat exchangers, etc.) must not
be touched with bare hands when the unit is
operating. If they must be touched, the unit
must first be switched off, waiting the amount
of time necessary for it to cool down and, in
any case, wearing protective gloves.
- In the event of coolant leaks, do not touch the
leaking coolant to avoid serious injury.
- If the heat pump is installed in a closed room,
any necessary forced ventilation devices must
be provided for. They must be the proper size
so that, in the event of leaks, the level of coolant
in the air cannot exceed the allowed limits.
- Otherwise, the people in the room under these
circumstances would be subjected to serious
risks of suffocation, with even fatal effects.
- The packaging material must be disposed of
safely. It may contain nails or pieces of wood
that could injure people.
- Upon receiving the machine, it must be inspect-
ed for any damages during transport. Should
such damages be found, it MUST NOT BE
INSTALLED and the damages found must be
immediately communicated in writing to the
courier or the dealer (in the event the unit was
picked up at a dealer).
- The unit must be installed respecting the spaces
indicated in the Installation Manual in order to
make it possible to access both sides of it and
carry out maintenance operations. Should it
be installed not respecting the procedures in-
dicated in this Manual, any expenses due to the
need to use ladders, scaffolding or other raised
systems for any warranty operations shall NOT
be considered covered by the warranty itself
and, therefore, shall be entirely charged to the
Customer.
- The supply voltage line must have all the
features required by the standards in force
regarding the installation site.
- Make sure the supply voltage mains voltage
and frequency are compatible with what the
unit requires and that the system has enough
power available to supply the unit and all the
other electrical utilities it supplies. Also make
sure that all the safety switches of this system
are of the proper dimension.
- Make sure that the entire electrical system
5 5
(cables, conductor cross-sections, protections,
etc.) are compliant with the standards in force
at the installation site and with the instruc-
tions contained in the wiring diagram. All
the connections must also be compliant with
the dictates of the local standards regarding
air-water heat pump installation. Devices that
can be disconnected from the electrical mains
must not be in overvoltage conditions.
- The earthing connection must not be done on
water or gas pipes, lightning protection systems
or telephone/intercom lines as, otherwise, there
would be serious risks of electrocution and/or
fires.
- Both a circuit breaker switch and a safety dif-
ferential switch must be installed, both with
a capacity compliant with the dictates of the
pertinent local standards in force.
- Otherwise, there would be serious risks of
electrocution and/or fires.
- Defrost water must be able to drain normally
from the unit even when the outdoor tem-
perature is very low. Ice plugs must not be
allowed to form on this line. Otherwise, the
resulting water may not be able to drain out of
the unit, causing large chunks of ice to form,
which could, in turn, stop the unit itself from
operating.
- The power cable and the communication cable
between the indoor and outdoor unit must run
at least 1 m away from any electrical devices.
- The unit must be protected from rodents and
other small animals. If allowed to access the
unit, such animals could cause malfunctions
and/or cause smoke emissions or fires. The user
must also be given clear instructions to keep the
entire area around the unit clean and tidy.
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