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Flue down draught safety device
If the flue tube safety device has
switched off the appliance, the
appliance can be put back into operation
through the normal procedure. If the flue
tube safety device repeatedly puts the
appliance out of operation then this
points to problems with the flue. The
only remedy is to determine the cause
of the problem (for instance a blocked
chimney) and to solve the problem.
Hot water temperature too low
1. Check the setting of the temperature
control knob;
2. Check whether the pilot is alight. If
necessary ignite (see “Putting into
operation”);
3. Check whether there are any leaks
or open taps;
4. Is the gas supply adequate? Check
and correct if necessary;
5. Perhaps the hot water consumption
is higher than was originally
calculated;
6. Check whether the cold water inlet
has been correctly connected.
7. Check the thermostat sensor for
scale build up.
Hot water temperature too high
Check whether the control
thermostat is set too high.
Possible water leakage
1. Check whether the drain tap is fully
closed;
2. Check whether all water
connections are water tight;
3. Check whether the possible water
leakage could be caused by
condensation.
2.11 Gas smell
Warning
Immediately shut the main gas tap.
Do not light any fire or switch on any
lights, do not use any electrical
switches or alarm bells. Open
windows. Thoroughly inspect all gas
connections and, if the gas smell
persists, alert the local gas company
and/or your installer.
2.12 Condensation
If the appliance is filled with cold
water or if the hot water consumption is
very high, condensation of flue gasses
will occur on the cold surfaces of the
combustion chamber and the flue tube.
The water drops will fall on the burner
and cause a sizzling noise. This is a
normal phenomenon that will disappear
as soon as the appliance reaches its
normal operating temperature.
2.13 IMPORTANT WARNING
The applicance should NEVER be
taken into operation with a closed
cold water supply!
Provision should always be made
for expansion.
21


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