5
3.0 INSTALLATION
Warning: 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 IEE wiring regulations
Warning: Do not connect any pressure-relief device to the vent pipe of this
water heater.
Warning: The outlet acts as a vent and must only be connected to a fitting
recommended by the manufacturer. It must not be connected to a tap.
1. National Wiring rules may contain restrictions concerning the installation of
these units in bathrooms.
2. The unit should be vertically wall mounted using the wall bracket and levelling
feet supplied (see Section 3.1 INSTALLATION - WALL MOUNTING). The inlet
and outlet water connections must always be on the bottom of the unit.
3. Enough space should be left below and at the top above the unit for pipe
connections. Refer to Diagram 1 and the Dimensions Table to determine a
suitable position for the heater.
4. NOTE: Ensure that the wall can support the full weight of the unit (see
TECHNICAL SPECIFICATIONS) and that there are no hidden services (electricity,
gas, or water) below the surface of the wall.
5. DO NOT install where the unit may freeze.
6. Refer to the section IMPORTANT INSTALLATION POINTS to determine which
valves and accessories are required.
7. The water connections are 15mm diameter copper tubes suitable for compression
fittings. Do not use solder joints as this will damage the heater.
8. The INLET is marked BLUE, the OUTLET is marked RED. It is recommended that
a WRAS Listed isolating valve be fitted on the cold water supply to the heater.
9. Plumbers Paste must not be used as it can impair the operation of components.
Direct
Supplier’s name or trade mark
Supplier’s model identifier
B3
C3
Storage volume V in litres
30.0
50.0
Mixed water at 40 °C V40 in litres
50
77
The declared load profile
S
M
The water heating energy efficiency class of the model
D
D
The water heating energy efficiency in %
30.6
34.5
The annual electricity consumption in kWh
603
1489
Daily fuel consumption Q fuel in kWh
2.940
7.060
The thermostat temperature settings of the water heater,
as placed on the market by the supplier
Specific precautions that shall be taken when the water
heater is assembled, installed or maintained and disposed
of at end of life
B3M/C3M
60°C
See section 2 to 6
Table
:
Technical parameters in accordance with European Commision
regulations 814/2013 and 812/2013
