2 SAFETY GUIDELINES AND WARNINGS
2.1 Warnings and symbols
Safety instructions and warnings are marked in this manual
and on the product by the following pictograms:
A procedure, circumstance, etc. which deserves
extra attention.
CAUTION!
Special information, commands and prohibitions
in order to prevent damage.
WARNING
A WARNING refers to possible injury to the user
or installer or significant material damage to the
Mass Combi Ultra if the installer / user does not
(carefully) follow the stated procedures.
Read this manual before installation and use
This product complies with the EC directives and
standards.
Degree of protection: IP23. The product is
protected against touch by fingers and water
spray < 60 degrees from vertical.
Safety class 1. This product must be provided
with an equipment grounding conductor to the
AC-output ground terminal
2.2 Use for intended purpose
1 The Mass Combi Ultra is constructed as per the
applicable safety-technical guidelines.
2 Use the Mass Combi Ultra only:
for the charging of batteries and the supply of
loads attached to these batteries, in permanent
systems;
for the conversion of battery DC voltage to AC
voltage;
when connected to a dedicated double pole circuit
breaker and RCD;
with fuses, protecting the Mass Combi Ultra AC
and DC wiring;
in a technically correct condition;
in a closed, well-ventilated room, protected
against rain, moist, dust and condensation;
after observing the instructions in the user manual.
WARNING
Never use the Mass Combi Ultra in situations
where there is danger of gas or dust explosion
or potentially flammable products!
3 Use of the Mass Combi Ultra other than mentioned in
point 2 is considered to be inconsistent with the
intended purpose. Mastervolt does not hold itself liable
for any damage resulting from the above.
2.3 Organizational measures
The user must always:
have access to the user manual;
be familiar with the contents of this manual. This
applies in particular to chapter 2, Safety Guidelines and
Measures.
2.4 Warning of special dangers
1 If the Mass Combi Ultra is switched off during
maintenance and/or repair activities, it should be
secured against unexpected and unintentional
switching on:
Remove the AC supply.
Remove the connection to the batteries.
Be sure that others cannot reverse the measures
taken.
2 If maintenance and repairs are required, use only
original spare parts.
2.5 General safety and installation precautions
Do not expose the Mass Combi Ultra to rain, snow,
spray, moisture, excessive pollution and condensing
circumstances. To reduce risk of fire hazard, do not
cover or obstruct the ventilation openings. Do not install
the Combi Ultra in a non-ventilated area, overheating
results.
The Mass Combi Ultra must be provided with an
equipment grounding conductor to the AC-input ground
terminal. Grounding and all other wiring must comply
with local rules and regulations.
In case of fire, you must use a fire extinguisher which is
appropriate for electrical equipment.
Short circuiting or reversing polarity will lead to serious
damage to batteries, Combi Ultra and wiring. Fuses
between batteries and Combi Ultra cannot prevent
damage caused by reversed polarity and warranty will
be void.
Protect all DC wiring with a proper fuse, according to
the guidelines in this manual.
Connection and protection must be done in accordance
with local standards.
Do not work on the Mass Combi Ultra or system if it is
still connected to a power source. Only allow changes
in your electrical system to be carried out by qualified
electricians.
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