OPERATING INSTRUCTIONS
The Trianco Aztec Gold boiler has been designed and
constructed to give years of trouble-free service and these
instructions are provided to assist you in obtaining the best
performance with the least trouble and cost.
The boiler is fully automatic in operation and requires little
attention, other than the setting of any external system
controls such as a room thermostat or programmer.
BOILER CONTROLS
Before initial firing of the boiler, ensure that the system is full
of water and the isolation valves (other than the bypass) are
fully open.
Do not attempt to switch on the boiler if there
is any possibility that the system water is frozen.
1) Check that the time-switch/programmer is
ON
and
that the room thermostat is calling for heat.
2) Switch on the electrical supply to the boiler. After a
few seconds the green light should illuminate,
followed by the amber light.
3) Set the time-switch/programmer to the times and
programme required.
The boiler should now operate automatically, cutting in and
out according to demand.
To switch off the boiler, set the time-switch/programmer to the
OFF
position. It is recommended that if the boiler is to be left
idle for a long period of time, the mains supply should also
be switched off.
BOILER INDICATOR LIGHTS (Fig. 16)
There are four indicator lights on the boiler. Left-to-right,
these are:
Green
- the boiler is switched on
Amber
- illuminated: boiler is running
- flashing: heat requirement is
satisfied
1st Red
- a fault has occurred. See
page 12.
2nd Red
- the system pressure has dropped
below 1 bar. See
page 12.
SAFETY CONTROLS
High-limit Thermostat
The boiler is fitted with an in-built safety thermostat which will
cause the appliance to shut down should the boiler
thermostat malfunction and the boiler overheat.
Note:
Should the appliance be used for supplying
underfloor heating,
this thermostat must be
replaced by the secondary stat
supplied within the
literature bag.
EXTERNAL CONTROLS
Room Thermostat
The room thermostat should not be positioned close to a
source of heat, such as a radiator, or exposed to the sun, as
this would cause the heating to switch off before the room is
up to temperature. Always follow manufacturer's instructions
for best siting position for the thermostat.
Time-switch/Programmer
When choosing the operating times for your boiler, it is useful
to remember that central heating usually takes between half
an hour to an hour before it becomes effective. It is also
worth noting that the heating system will usually remain
effective for up to half an hour after boiler shutdown. The
timer can therefore be set to switch the appliance off earlier
as an economy measure.
Frost Thermostat
If the system is not in operation for many hours during very
cold weather, the water may be in danger of freezing. As
such, it is advisable that the installation is protected with a
frost thermostat.
Where the system is not protected, the boiler should be left
switched on and the room thermostat set to a low setting
(e.g. 7°C) to prevent the water temperature falling too low.
If the system is to be shut down for a long period during very
cold weather, it is advisable to completely drain the system.
However, too-frequent draining should be avoided,
especially in hard-water areas, as this could lead to scaling
of the boiler waterways.
CLEANING & GENERAL MAINTENANCE
To clean the casings, isolate the electrical supply and apply
hot soapy water with a damp cloth. Then dry with a second,
soft cloth. Ensure that the natural ventilation around the
boiler is not obstructed. If fitted in a compartment, ensure all
ventilation grilles are clear.
See
page 17
for comprehensive fault-finding.
11
FIG. 16
Содержание Aztec Gold
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