Maintenance - Dimplex ECS150HP40A-580 Installation And User Instructions Manual

7

Maintenance

After servicing, complete the relevant Service
Record section of the Benchmark Checklist
located on the inside back pages of this
document. To meet with warranty requirements
the cylinder must be serviced annually.
The maintenance of this appliance
must be carried out by a suitably
qualified person
recommended to maintain the unit on
an annual basis. Isolate all electrical
supplies from
commencing
electrical shock!
1) Draw some water from cold water tap and
retain in container.
2) Isolate cold water mains supply from cylinder.
3) Briefly open temperature and pressure relief
valve, assure safe discharge and check that
valve is not dripping when closed.
4) Briefly open expansion relief valve, assure
safe discharge and check that valve is not
dripping when closed. The expansion relief
valve should be operated regularly to remove
lime deposits and to verify that it is not
blocked.
5) Open hot water tap and release remaining
pressure from unit.
6) If the system is drained completely for an
internal inspection, ensure the hot water tap
remains open, connect a hose to the drain
valve and ensure a safe discharge.
7) Note the set pressure of the pressure
reducing valve. Remove cartridge and clean
strainer in water provided in container. Re-
assemble pressure reducing valve ensuring
the correct pressure is set.
only. It
the unit before
work. Danger
Maintenance
8) Periodically the immersion heaters should
be removed cleaned and the unit flushed
out. Check the O-ring seal for damage and
replace if necessary.
9) Check electrical wiring connections and the
condition of the cable of the immersion
heater, the thermostat and the connections
on the relays.
10) The immersion heater boss can also be
is
used for access to view the internal
components of the cylinder.
11) Re-commission unit (see chapter 6).
of
If the cylinder is not in use for excess of 1
month, it must be drained down by a
competent
before use.
Note: The immersion must be switched off
at the mains before draining the cylinder.
If replacement parts are required, please
see Figure 11Figure 12 for part descriptions
and part numbers.
CLEANING INSTRUCTIONS: Clean outer
cladding of cylinder with a soft cloth
dampened with warm water only. Do
not use abrasive or aggressive cleaning
materials, such as alcohol or petroleum
based solvents, as this may damage the
surface of the product.
Waste electrical products should not be
disposed of with household waste.
Please recycle where facilities exist.
Check with your Local Authority or
retailer for recycling advice.
person and recommissioned