Oversink and Undersink Water Heater
- 8-
4
INSTALLATION
WARNING! To be installed by qualified personnel only.
CAUTION!
The unit should be located in an area not subject to freezing temperatures.
The water heater should be sited to ensure minimum dead leg distances, particularly to the point of most
frequent use.
Avoid siting where extreme cold temperatures will be experienced. All exposed pipe work should be insulated.
The equipment must be installed in compliance with the current Building regulations, local bylaws and British
Standards
Operations involving the water heater must only be performed by qualified personnel!
Observe the safety regulations.
The installation environment and the electrical and hydraulic systems the equipment shall be connected to
must comply with the regulations in force.
You need to install the equipment at the minimum distance from the room walls and ceiling, to ensure proper
operation and for easy maintenance (see Maintenance space requirements).
The wall on which the equipment is to be installed must be able to bear its weight.(see Technical data table)
The chosen environment must be suitable for the equipment IP degree, in accordance with the regulations in
force.
The discharge pipework from the safety valves must have minimum fall of 1:200 from the unit and terminate in
a safe and visible position.
Access to associated controls and immersion heaters must be available to provide for the servicing and
maintenance of the system.
4.1
Maintenance space requirements
4.2
Electrical connection
WARNING: Verify that the mains voltage and polarity and that it has the sufficient capacity to operate the
equipment correctly. (see data label on side of water heater)
To disconnect the equipment from the mains you need to use a two-pole switch complying with the EN standards
(contact opening 3mm, preferably equipped with fuses).
WARNING: Switching on the equipment when it is not filled with water will seriously damage the electric heating
element.
WARNING: If the supply cable is damaged, it must be replaced by the manufacturer or by its technical support
service, or anyway by a person having a similar qualification, to prevent any risk.
