7.0 Checking for Spillage
12
7.1
Checking for Spillage
CAUTION
- Whilst checking for spillage care
must be taken to avoid touching hot panels.
1. Before checking for spillage the worst likely
operating environment for the appliance must be
created. To do this, close all doors and windows
in the room and operate any ceiling or extractor
fans that may be present, on the wall or within
other appliances. If any ceiling or extractor fans
are present in an adjoining room then these
should be operated and the connecting door left
open.
2. There are two stages of appliance operation for
which spillage must be checked by following "The
Spillage Checking Procedure" shown below (7.2).
3.
STAGE 1
- Commencing with the appliance
Cold, operate the fire on maximum for five
minutes and check for spillage. If spillage is
evident then the fire is operated for a further 10
minutes and re-checked. If spillage is still evident
then the cause should be ascertained and
rectified before continuing with commissioning.
4.
STAGE 2
- Following a satisfactory result at
stage 1, the fire is left on and the boiler is
operated (from Cold) for 5 minutes before
checking for spillage again. If spillage is evident
then the cause should be ascertained and
rectified before continuing with commissioning.
5. If the appliance cannot be commissioned then
it should be isolated until the problem is resolved.
7.2
The Spillage Checking Procedure
1. A lighted smoke match should be held in a
suitable holder 50mm below the lower louvre of
the fire and 50mm from either side of the
combustion box inner side panel. The majority of
smoke should be drawn into the fire (Figs. 22 &
23).
7.3
Possible Causes of Spillage
1. The smoke match may have been positioned
incorrectly, resulting in the smoke being picked up
by hot convected air currents.
2. The builders opening or flue installation may be
unsound.
3. Inadequate ventilation.
4. Down draughts may be present.
5. Flue blockages.
Insert the smoke match 50mm from
either side of the combustion box
inner side panel
60mm
50mm
Fig. 22
Fig. 23
