andrews NEOflo SC25/200, Installation, Operation And Maintenance Manual

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NEO fl o Water Heater 5 September 2015
Th e NEO fl o range features a stainless steel tank with a
stainless steel integrated heat exchanger and a fully auto-
matic electronic control. It also provides mains outputs for
Standby, Running and Lockout, for remote use.
Th e appliance has been designed for use with NATURAL
GAS only and is manufactured to give an ef fi cient, reliable
and long service life.
To ensure the continued, trouble-free operation of the
Heater at maximum ef
fi ciency, it is essential that correct
installation, commissioning, operation and service proce-
dures are carried out strictly in accordance with the instruc-
tions given in this manual.
By law, installation and commissioning of the heater
must be carried out by a competent person.
GAS SAFETY STANDARDS
Th e heater(s) must be installed in accordance with the
following requirements;
• GAS SAFETY (INSTALLATION AND USE) REGULATIONS
• BUILDING REGULATIONS
• THE WATER SUPPLY (WATER FITTINGS) REGULATIONS
Additionally, installation should be performed in accord-
ance with all relevant requirements of the Gas Supplier,
Local Authority and recommendations of the British
Standards and Codes of Practice which should include the
following:
BS EN 806: (Parts 1 - 5) Speci fi cations for installations
inside buildings conveying water for human consumption.
General design, pipe sizing, operation and maintenance.
BS EN 12897 : Water supply. Speci fi cation for indirectly
heated unvented (closed) storage water heaters.
BS 5440: Flueing and ventilation for gas appliances of
rated output not exceeding 70kW net.
Part 1 Speci
fi cation for installation of gas appliances to
chimneys and for maintenance of chimneys.
Part 2 Speci
fi cation for installation and maintenance of
ventilation provision for gas appliances.
BS 5546: Speci fi cation for installation of gas hot water sup-
plies for domestic purposes.
BS 6891: Installation of low pressure gas pipework of up to
35mm in domestic premises.
IGE/UP/1A, 1B: Strength/tightness testing and direct purg-
ing
IGE/UP/2: Installation pipework.
IGE/UP/10 Pt.1: ( Edition 4): Installation of Gas Appliances in
Industrial and Commercial Premises
NOTE: Consideration should be given to amendments or
updates to the above standards.
HEALTH AND SAFETY REGULATIONS
It is the duty of manufacturers and suppliers of products to
ensure, so far as is practicable, that such products are safe
and without risk to health when properly used and to make
available to users, adequate information about their safe and
proper operation.
Th is Water Heater should only be used in the manner and
purpose for which it was intended and in accordance with
the instructions in this manual. Although the Heater has
been manufactured with paramount consideration to safety,
certain basic precautions speci
fi ed in this manual must be
taken by the user. It is imperative that all users of the Heater
must be provided with all the information and instruction
necessary to ensure correct and safe operation.
COLD WATER SUPPLY SYSTEM (SEE PAGE 9)
Th e appliance may be connected to an open vent or sealed
system supply. When connected to a sealed system an
unvented water kit must be installed with a minimum water
pressure of 1 bar.
Th e heaters are factory fi tted with tempera-
ture and pressure relief valve.
FLUE SYSTEMS (SEE PAGE 12)
Th e appliance is fi tted with two 80mm ducts for the connec-
tion of air inlet and fl ue discharge. A number of different fl ue
and air supply con fi gurations can be used depending on the
accessories that are chosen.
GENERAL & SAFETY INFORMATION