Safety; General Safety Warnings; Recommendations; Specific Safety Instructions - Heatrae Sadia Megaflo Eco 70i Manual


- Water may drip from the discharge pipe of
the pressure-relief device and this pipe must
be left open to the atmosphere; (see page 18
for more details)
-the pressure-relief device is to be operated
regularly to remove lime deposits and to verify
that it is not blocked; (see page 18 for more
details)
- How hot water can be drained. (see page 26
for more details)
- The type or characteristics of the pressure-
relief device and how to connect it; (see
Figure 1 for details and Figure 18, page 30 for
exploded view)
- A discharge pipe connected to the pressure-
relief device is to be installed in a continuously
downward direction and in frost free
environment; (see page 18 for details)
Details on how to set the temperature
controls for both immersion heaters and boiler
controls can be found in section "Installation
Instructions, page 20.

2. Safety

2.1 General safety warning
DANGER
This cylinder is unvented and as such
becomes pressurised when in operation. The
combination of pressurisation and hot water
could lead to serious physical injury if the safety
instructions in this manual are not adhered to.
WARNING
Only competent persons
`
received
permitted to work on the appliance and
the installation.
Do not tamper with any of the safety
`
valves or controls supplied with the
cylinder.
Before any work, switch off the mains
`
supply to the appliance.
Do not switch on if there is a possibility
`
that the water in the cylinder is frozen.
CAUTION
Do not operate immersion heaters until the
cylinder has been filled with water.
4
having
adequate training are
WARNING
When handling the unit, take appropriate
precautions for the weight of the unit. Weights
can be found in section 3, Tables 1&2, pages
5&6.
CAUTION
Annual maintenance is recommended by a
competent person.
WARNING TO USER
If this unvented water heater develops
`
a fault, such as a flow of water from
the discharge pipe, switch the heater
off and contact the installer.
Do not remove or adjust any component
`
or part of this unvented water heater ;
contact installer
DO NOT bypass the thermal cut-out(s)
`
in any circumstances.