BENSON OUH 2 100, Installation And Operating Manual

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2.5 Flue Installation
An integral fl ue spigot is fi tted to all the Suspended Oil fi red
Unit Heater thereby allowing the fl ue to connect directly to
the heater.
The design of the fl ue must ensure that it can be disconnected
to allow for cleaning and servicing, furthermore, all of the fl ue
section joint sockets must face upwards, and the seal between
the sections achieved through mechanical joints or through
the use of approved caulking string and grout.
Caution
It is strongly advised that BS 5854 and BS 5440 parts 1 and 2
are referred to.
Where condensation is likely to be a problem provision should
be made preferably at the design stage (see section 1.13)
2.6 Oil Installation/connection
The oil tank must be positioned so that there is a fall of 7.5mm
(+/- 2.5mm) for every 30mm away from the outlet and towards
the sludge/drain valve, which must be sited at the lowest
point in the tank. If the tank is positioned on supports then
there must be an adequate protective layer between tank and
support to prevent damage or deterioration through
corrosion.
It is strongly suggested that reference is made to BS 5410 ; part
2 ; 1978.
It is also suggested that the installer is familiar with the detail
and requirements contained within sections 1.9 of this manual
prior to commencing installation.
Warning
Prolonged exposure and contact with Gas Oil can result in the
natural oils being removed from the skin, sensitisation can
result in dermatitis.
Always ensure that the appropriate personal protective
equipment is used.
2.7 Electrical Installation/connection
The Suspended Oil fi red Unit Heater range is only available in
230V 50Hz 1PH.
It is recommended that reference is made to the wiring
diagrams contained within section 2.9 of this manual prior to
installation or connection to the supply. The electrical supply
must be as specifi ed and suitable for the heater, and must
be run within conduit to a point adjacent to the heater, and
be terminated to provide an isolation point that will prevent
remote or inadvertent activation.
Cables, conduit, and fi ttings that are used to make the
connection between the isolator and the heater must conform
to the appropriate IEE regulations.
All heaters are supplied fused and pre-wired, all must be
earthed.
Final connections for any additional external controls must be
completed on site, and must be carried out according to IEE
regulations.
Separate user information is provided for the time control unit
and the burner, and forms part of the product information
pack which accompanies every heater when despatched.
Warning
Always isolate from mains electrical supply before
commencing work on the heater.
Warning
Always ensure that the appropriate personal protective
equipment is used.
2.8 Heater Control Installation
Warning
Isolate heater from mains before undertaking any electrical
work.
Unless specifi ed all unit Heaters are manufactured and
supplied with a remote controllers to be wired back to the
heater.
Refer to Controller instruction manual for full installation
details.
See following section for individual wiring diagrams.