Heatrae Sadia HI-MAX INSTANT ID 5-60 Installation, Operation And Maintenance Manual page 5

Indirect hiu
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DANGER
Advice relating to the pump within the
HIU due to strong magnetic fi eld in the
pump motor.
If the unit consisting of impeller, bearing
shield and rotor is pulled out of the
motor, persons with medical aids, such
as cardiac pacemakers, insulin pumps,
hearing aids, implants or similar are at
risk. Death, severe injury and damage
to property may be the result. For
such persons, a professional medical
assessment is always recommended.
Incorrect installation and electrical
connection can result in an electric
shock or even a fatal injury.
Installation and electrical connection
may only be carried out by a qualifi ed
personnel and in accordance with the
applicable regulation!
Any damage to the electrical cables
must be rectifi ed by a qualifi ed
electrician only.
DANGER
The pump will generate electricity if
the impellar is able to turn. As such
it is important that the hydraulic
system and the electrical supply is
isolated before any work is carried
out on the pump.
WARNING
Advice relating to the pump within the
HIU due to strong magnetic fi eld in the
pump motor.
Inside the pump there is always a
strong magnetic fi eld that can cause
injury and damage to property in the
event of incorrect dismantling.
It is only permitted to have the rotor
removed from the motor housing by
qualifi ed personnel.
Take care when pulling the rotor out of
the motor, it may be suddenly pulled
back into its initial position by the
strong magnetic fi eld.
Other electronic devices may be
impaired functionally or damaged by
the strong magnetic fi eld of the motor.
If the rotor is outside the motor,
magnetic objects may be attracted
very suddenly. That can result in injury
and damage to property.
In assembled condition, the rotor's
magnetic fi eld is guided in the motor's
iron core. There is therefore no harmful
magnetic fi eld outside the pump motor.
A
means
the
power
incorporated in the fi xed wiring in
accordance with BS EN 7671:2008
for
disconnecting
supply
must
This unit is designed to be
permanently connected to the
hydraulic systems and as such
fl exible hose connections should
not be used.
Details of how the unit should be
fi xed to its support can be found
on page 27.
For maximum and minimum cold
water inlet pressures see table 1
on page 6.
The unit is fi tted with an integral
pressure relief valve. Water may
drip from the discharge pipe of the
pressure-relief valve and this can be
witnessed through a tundish open
to atmosphere. Where discharge
pipework is piped to a drain, a trap
to prevent foul odours should be
installed. The pressure relief valve
should be operated regularly to
remove lime deposits and to verify
it is not blocked. Other advice
relating to the safety valve and its
discharge pipework can be found
on page 29.
The unit is fi tted with drain valves
on all three hydraulic circuits as
detailed in fi gure 22.
This appliance can be used by
children aged from 8 years and
above and persons with reduced
physical,
capabilities or lack of experience
and knowledge if they have been
given supervision or instruction
concerning use of the appliance
in a safe way and understand
the hazards involved. Children
shall not play with the appliance.
Cleaning and user maintenance
shall not be made by children
without supervision.
Children must be supervised to
be
ensure they do not play with the
appliance.
sensory
or
mental
5

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