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1.0 INTRODUCTION
1.1 IMPORTANT POINTS
Thank you for purchasing a Heatrae Sadia Express water heater. The Express
water heater is manufactured in the UK to the highest standards and has been
designed to meet all the latest relevant safety specifications.
This Express water heater must be installed and maintained by a competent
person only. Please read and understand these instructions prior to installing your
Express water heater. Particular attention should be paid to the section headed
IMPORTANT INSTALLATION POINTS. Following installation, the operation of the
heater should be explained to the user and these instructions left with them for
future reference.
This appliance is not intended for use by persons (including children) with reduced
physical, sensory or mental capabilities, or lack of experience and knowledge,
unless they have been given supervision or instruction concerning the use of the
appliance by a person responsible for their safety. Children should be supervised
to ensure that they do not play with the appliance.
1.2 PACK CONTENTS
Heater, Spout, Valve, Fixing Screws and Rawlplugs, Fitting Instructions.
2.0 TECHNICAL SPECIFICATION
FIGURE01: DIMENSIONS
263
A
165
265
58
DIMENSION
7 LITRE
15 LITRE
A
334mm
583mm
Rating: ................................................................ 1.0kW @240V~/0.9kW @230V~
................................................................ 3.0kW @240V~/2.8kW @230V~
Capacities ........................................................... 7 and 15 litres
Weight (full) ......................................................... 10kg (7l), 19kg (15l)
Rated Pressure.................................................... 0Mpa (0bar)
Temperature range .............................................. 5° to 75°C
3.0 INSTALLATION
This appliance must be earthed. It is suitable for a.c. supply only. Electrical installation
must be carried out by a competent electrician and be in accordance with the latest
I.E.E. wiring regulations.
3.1 LOCATION
3.1.1 Select a suitable site such that
a) there is enough clearance under the heater to allow removal of the element plate.
b) when using the outlet spout, it will swing over the sink (or sinks) to be supplied.
c) there are no hidden services where the wall is to be drilled.
3.1.2 Mark the position of the fixing holes (as shown in Figure 01).
3.1.3 Drill and plug the hole positions.
3.1.4 Screw in the top two screws leaving heads 3mm from the wall.
3.1.5 Hang the heater on the two top screws.
3.1.6 Screw in bottom screw to secure the heater.
3.2 PLUMBING
3.2.1 The heater is designed to be connected directly to the mains via the valve provided
or Heatrae Sadia open outlet taps.
250
140
3.2.2 It is recommended that a WRAS listed isolating valve (not supplied) be fitted in
the water supply pipe to the heater to allow for servicing.
3.2.3 The inlet must always be on the right.
70
3.2.4 In both undersink and oversink installations the inlet and outlet connections must
remain beneath the heater.
3.2.5 The outlet of this water heater acts as a vent and must not be blocked or
restricted in any way.
3.2.6 Connect the control valve supplied to the inlet pipe on the water heater.
3.2.7 Connect the cold water main to the control valve using 15mm outside diameter
pipe (either copper to BS EN 1057 or stainless steel to BS 4127).
3.2.8 Push the outlet spout directly into the outlet fitting.
3.2.9 To remove outlet spout, push white ring upwards towards body of fitting and pull
spout downwards.
3.2.10 The installation must be carried out in accordance with the relevant
requirements of:
50 50
•
The appropriate Building Regulations either The Building Regulations, The
Building Regulations (Scotland) or Building Regulations (Northern Ireland).
•
The Water Fittings Regulations or Water Byelaws in Scotland.
3.3 ELECTRICAL
Disconnect the electrical supply before removing the cover. Installation must be in
accordance with the current local wiring regulations. A double pole isolating switch,
with a contact separation of at least 3mm in both poles, should be incorporated
in the electrical supply. The supply should be fused 13 Amp. The nominal cross
sectional area of the supply cable must be 1.5mm
minimum.
2
3.3.1 Remove terminal cover.
3.3.2 Strip the outer sheath and insulation on the cable to the required lengths,
making sure the outer sheath of the cable will be held in the cable grip when
the connections are made.
3.3.3 Loosen the top screws securing the cable grip.
3.3.4 Pass the cable underneath the cable grip and through the top moulding.
3.3.5 Make the connections to the terminal block as follows:
BROWN or RED to terminal marked "L"
BLUE or BLACK to terminal marked "N"
GREEN/YELLOW or GREEN wire to terminal marked
3.3.6 Secure the cable in the cable grip by tightening the two screws.
3.3.7 Set the adjustable thermostat by rotating the control to the required
temperature.
3.3.8 It is recommended that it is set to lowest acceptable temperature to meet user
requirements. This will minimise the risk of scalding and reduce the level of
scaling in hard water areas.
3.3.9 Replace terminal cover.
FIGURE 02: INTERNAL LAYOUT
CABLE GRIP
DRAIN PLUG
CAPILLARY STAT
THERMOSTAT CONTROL
ELEMENT
FIGURE 03: WIRING DIAGRAM
EARTH
THERMOSTAT
NEUTRAL (BLACK)
LIVE (RED)
THERMOSTAT BULB
THERMAL FUSE
TO ELEMENT
INLET
OUTLET
TERMINAL BLOCK
THERMAL CUT-OUT
EARTH POST
GREEN&YELLOW
BLUE/BLACK
BROWN/RED
TERMINAL BLOCK
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