Maintenance - Dimplex ECSd125-580 Installation And User Instructions Manual

7 Maintenance

After servicing, complete the relevant
Service Record
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
supplies
before commencing work.
Danger of 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
pressure relief valve, assure safe
discharge and check that valve is
not dripping when closed.
4) Briefly open
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
completely
inspection, ensure the hot water
tap remains open, connect a hose
to the drain valve and ensure a
safe discharge.
section of the
only. It is
all electrical
from the unit
temperature and
expansion relief
is drained
for an internal
Maintenance
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.
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
connections and the condition of
the cable of the immersion heater
and the thermostat.
10) The immersion heater boss can
also be used for access to view the
internal components
cylinder.
11) Re-commission unit (see chapter
6).
If the cylinder is not in use for
excess of 1 month, it must be
drained down by a competent
person and recommissioned before
use. Note: The immersion must be
switched off at the mains before
draining the cylinder.
If replacement parts are required,
please see Figure 11 for part
descriptions and part numbers.
wiring
of the