andrews NEOflo SC25/200, Инструкция по установке, эксплуатации и обслуживанию

Страница: 20 / 32

NEO fl o Water Heater 18 September 2015
ELECTRICAL CONNECTIONS
IMPORTANT, this appliance must be earthed
CAUTION: Isolate the mains electrical supply before
starting any work and observe all relevant safety
precautions
External wiring to the Heater must be installed in ac-
cordance with current I.E.E. Regulations for the wiring of
buildings and to any Local Regulations that may apply.
Th e appliance is designed to operate from a 230V, single
phase supply fused at 3 amps. Mains input cable should
be 0.75mm
2
, 3 core
Th e method of connection to the mains electricity sup-
ply should facilitate complete electrical isolation of the
appliance, preferably by use of an un-switched shuttered
socket outlet in conjunction with a fused three pin plug,
both complying with the requirements of BS 1363.
Alternatively, a fused double pole switch or fused spur
box serving only the heater may be used.
Th e point of connection to the mains electricity supply
should be readily accessible and adjacent to the appli-
ance, and should be connected to the mains supply as
detailed above.
Access to the terminal connections (Fig. 7.1)
Remove the Lower Front Panel, the Connection Box is
facing you on the left hand side.
Th e Connection Box can
be completely removed by loosening its fi xing screws in
its keyhole slots.
Cable supports are provided from the Connection Box to
the rear of the appliance.
A permanent live supply must be connected to the
appliance. Automatic timed or remote operation of the
appliance can be achieved by connecting a switched
live to terminal “
Remote Enable ” and removing the link
wire. Th e connector can be unplugged for ease of wiring.
(see fi g. 7.1)
Lockout
If the appliance goes into a safety shutdown condition
(Lockout) terminal “Lockout” is energised with a 230V
AC supply and can be connected to a suitable warning
system with a current limit as detailed in the Technical
Data.
Running
When the burner is in operation terminal “Running” is
energised with a 230V AC supply and can be connected
to a suitable warning system with a current limit as
detailed in the Technical Data.
De-Strati fi cation Pump
Live Neutral and Earth connections are provided for the
connection of a De-Strati
fi cation pump which will be
automatically controlled by the Heater.
Link Wire
Fixing
Screws on
LH side
Fig 7.1