Unical INOXIA GJ 1000, Installation And Servicing Manual

Page: 52 / 56

52
Instructions for the installer
3.29 - BURNER ADJUSTMENT
WARNING!
All the instructions indicated below are
for the exclusive use of qualified UNICAL
service technicians or installers.
The calibration and the preparations of the burner to carried
out, are in the owners manual for the burner itself.
The gas burners are equipped with a gas valve which can
determine the capacity: At the first start you should always
monitoring the effective thermal capacity, through the counter
on the main line, making sure it is not less than the minimum
value of the boiler plate.
With a proper adjustment of the burner should obtain values
on average obtain, measured at the chimney with a special
analyzer, corresponding to the table on page. 9.
To ensure the continued safe and
efficient operation of the boiler it is highly
recommended that it is checked at regular
intervals and serviced when necessary, and
that only original spare parts are used.
Regular attention will prolong the life of the
boiler.
If the boiler is not checked and serviced re-
gularly it could cause material and personal
damages.
For this reason UNICAL recommends that a servicing contract
should be made with our authorized After Sales Service
Assistance Centre.
The boiler must have regular maintenance and cleaning
in order to ensure reliable and efficient operation. Regular
attention will prolong the life of the boiler.
The frequency of servicing will be determined by the service
engineer and will depend on the appliance’s state of condition.
These adjustments can be performed only by Service Centres
authorized by UNICAL.
INSTRUCTIONS FOR INSPECTION AND
SERVICING
To ensure a long life to all your boiler
components and in order not to alter the
conditions of the approved product, only
original UNICAL spare parts must be used.
Before servicing always carry out the following steps:
- Disconnect the mains electricity supply.
- Separate the appliance from the electrical supply by means
of a separating device with an opening contact of at least
3 mm (for example safety devices or power switches) and
ensure yourself that it cannot be accidentally reinserted.
- Close the on-off valve fitted upstream of the boiler.
- Close any on-off valves fitted on the CH flow and return
pipes.
After having carried out all the necessary maintenance work
always follow these steps:
- Open the CH flow and return valves
-If necessary, proceed with restoring the heating system’s
pressure until an equal value of the static pressure on the
highest point of the plant is reached
- Open the on-off gas cock.
- Reconnect the appliance to the electrical supply and switch
on the mains electrical supply.
- Test for gas soundness, on the gas side and on the water
side.
-
Vent the heating system and if necessary restore pressure .
If decide to temporarily deactivate the boiler is necessary
to:
a) carry out the interception of powers: electricity, water and
fuel;
b) drain the water system, unless is provided the use of
antifreeze.
4
INSPECTION AND
SERVICING SCHEDULE