17
GENERAL MAINTENANCE
It is important that the user is familiar with their
heating system and that they ensure regular checks
and maintenance which can limit unnecessary
breakdowns.
SERVICING
To ensure continued efficient and safe operation of
the appliance, it is recommended that it is checked
and serviced by an Authorised Stanley Service
Engineer at least once a year.
DRAINING
Key-operated drain taps to B.S. 2879 should be
provided in an accessible position in all low parts of
the system. However, it should be noted that there
may be short sections of pipework, e.g. when
passing under doorways that may not be possible to
drain.
INDIRECT DOMESTIC CYLINDER
The cooker must only be connected to an indirect
cylinder of recommended size of 180 litres using
28mm (1”) diameter flow and return piping. It is
recommended that the cylinder is lagged together
with pipework with runs in excess of 4 meters (13’).
NOTE: One radiator (normally the bathroom) should
be selected for use as a heat sink, and connected to
open circuit. (See Fig.25)
COMMISSIONING PROCEDURES AND
CHECKS
1.
Check that all items of packaging are removed
from the ovens and the shelves are properly
fitted.
2.
Check that electrical wiring is correct.
3.
Boiler and heating system to be purged of air
and full of water with a suitable safety valve
fitted.
4.
Time switches and room thermostats to be on.
5.
Baffles should be operating freely and locking in
position correctly.
6.
Check that boiler and oven thermostats are
functional.
7.
Check that the ignition electrode and ionisation
probe are correctly set.
8.
Connect burner gas train making sure that the
connection is straight and properly connected.
9.
Turn on the mains gas supply ensuring that the
cooker is switched off. Test the whole gas
installation including the meter for soundness
and purge in accordance with B.S. 6891 (U.K.)
and I.S. 813 (I.E.). Purge not to exceed 50
mbar.
10. Check the burner for leaks using an approved
leak detector spray and tighten if necessary.
11. With the mains gas supply off switch on the
burner.
12. Complete the start sequence to lock-out
observing the correct operating functions.
13. Pre-purge time to run on for 30 seconds
approximately.
14. Turn on mains gas supply and operate the
burner.
15. With cooker operating on full flame check for
adequate gas supply by connecting a
manometer to the nipple near the main union.
16. Similarly check the manifold pressure by
connecting the manometer to the test nipple
nearest to the burner head. (See Technical
Data).
17. Tighten all joints and re-check using an
approved leak detector spray. Check gas rate.
(See Technical Data).
18. After a minimum of 15 mins. of continuous
operation and with the burner still running check
flue gas analysis.
19. Correct position for the air shutter should be
checked to give a CO
2
reading between 7.8% to
8.3% and a CO level of below 100 ppm.
20. Make sure specified clearances are adhered to
correctly.
21. All air vents must be unobstructed and correctly
sized.
22. A spillage test should then be carried out, with
all windows and doors closed and all extract
fans in full operation and any other appliances
requiring air etc. Check flue joints are sealed
correctly and that no leakages are occurring
from the appliance to final termination.
23. When commissioning ensure that all doors of
the appliance are closed while in operation.
24. Check ionisation current by disconnecting the
link.
25. Disconnect the link to the probe and insert a
micro amp meter for direct current. (min. 7 micro
amps.)
26. If not satisfied check the trouble shooting guide.
27. If cooker is not operating correctly, postpone
lighting and contact your local Stanley Dealer.
