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4 | Key to symbols and safety instructions
Risk to life from electric shock when the appliance is
open
B Isolate the heating system from the mains electricity
supply before starting work. Use either an emergency
isolation switch or the relevant circuit breaker.
A contact separation of at least 3mm must be
achieved across EACH pole.
B Safeguard the heating system against unintentional
reconnection.
Risk of fire through flammable materials or liquids
B Never store flammable materials or liquids in the
immediate vicinity of the heat source.
Risk of system damage through incorrect installation
B The appliance must be installed in accordance with
and comply to, the current: Statutory Instrument
Laws, Gas Safety Regulations, IEE Regulations,
Building Regulations, Local Water By-Laws, Health &
Safety document 635 (The Electricity at Work
Regulations) and any other local requirements.
Observe all European and local installation standards,
building regulations and the latest edition of the
wiring regulations. Chemically aggressive substances,
can corrode the appliance and invalidate any
warranty.
System damage through unsatisfactory cleaning and
maintenance
B Carry out cleaning and maintenance procedures
annually. In the course of this work, check the entire
heating system including the neutralising system for
correct function.
B Immediately remedy all faults to prevent system
damage.
System damage through frost
The heating system may freeze in cold weather if the
control unit is switched off.
B If there is a risk of frost, protect your heating system
against frost damage. With the control unit switched
OFF, drain the water from the boiler, DHW cylinder
and all heating system pipework.
System damage and personal injury through operating
faults
Operator errors can lead to injuries and/or material
losses.
B Ensure that children never operate this appliance
unsupervised or play with it.
B Ensure that only individuals who can operate this
appliance correctly have access to it.
6 720 803 940 (2010/03)
Instructing the customer
B Hand these installation and maintenance instructions
to the customer.
B Explain to the customer the function and operation of
the appliance.
UNI 7000 F
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