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19
221098C
5 L i g h t i n g , T e s t i n g a n d F i t t i n g o f I n t e r n a l P a r t s
Diagram 5.17
L.H. SIDE
PANEL
25mm
25mm
SMOKE MATCH
EXTENSION
5175
10
10
10
DIVERTER
PLATE
SIDE VIEW
FRONT VIEW
Diagram 5.18
FIRE SPIGOT NOT
SHOWN FOR CLARITY
560 SMOKE
MATCH
EXTENSION
5176
DRAUGHT
DIVERTER
5.5 Test for Clearance of Products
Notes:
WARNING: Take care, the appliance will get hot
during tests.
For the test you will need a smoke match, extension and
a torch.
IN ALL CASES, if spillage continues after the specified
test periods steps must be taken to rectify the fault(s).
Possible causes include, flue obstruction, down draught
or restricted fresh air supply into the room.
If the problem cannot be put right the appliance must be
disconnected and expert advice sought.
Test Where No Fan is Present
Close all outside doors and windows in the room where
the appliance is installed.
Light the fire front only and set to tap position 4.
After 5 minutes apply a spillage test as shown in diagram
5.17 and 5.18. During tests smoke should be drawn into
the fire draught diverter and the boiler draught diverter.
If spillage occurs, leave fire front alight for up to a
further 10 minutes and repeat test. Turn the fire front
off.
Next light the back boiler only. After 10 minutes apply
spillage test as shown in diagram 5.17 and 5.18.
During tests smoke should be drawn into the fire front
draught diverter and boiler draught diverter.
If spillage occurs, leave the back boiler alight for up to a
further 5 minutes and repeat tests.
Leave the back boiler alight.
Now light fire front. After 10 minutes apply spillage
tests as shown in diagram 5.17 and 5.18. During tests
smoke should be drawn into the fire draught diverter and
boiler draught diverter.
If spillage occurs leave back boiler and fire front alight
for up to a further 5 minutes and repeat tests.
Test Where a Fan is Present
(A fan means an extract fan or a fan for other open flued
appliances or a circulating fan for a warm air unit,
whether or not gas fired). With the fan switched off
carryout the appropriate spillage test with all doors and
windows closed, as above.
If the above spillage test is satisfactory continue as
follows:-
Open all doors connecting the room containing the
appliance and the room in which the fan is fitted.
Close all other doors and windows in the premises.
If the fan is in the same room as the appliance, close all
doors and windows in that room.
Switch the fan on and repeat the spillage test as above.
MATCH
EXTENSION
TORCH