Unical ALKON R 18, Installation And Servicing Manual

38

Instruction for the installer

3.18 - INITIAL LIGHTING

PRELIMIARY CHECKS

The first ignition must be carried out by a
qualified technician.

Failure to do so could

cause injury to persons, animals or damage
to property. UNICAL shall not be held liable
for any injury and/or damage.

Before lighting the boiler check that:

-

the boiler installation has been carried out in accordance
with the specific Standards UNI 7129 and 7131 for the gas
part and the Standards CEI 64-8 and 64-9for the electrical
part;

-

the combustion air inlet and the discharge of the products
of combustion occur in the correct way in accordance to
the specific Standards in force (UNI 7129/7131);

-

the gas supply system is correctly dimensioned for the boi-
ler’s output;

-

the boiler’s electrical supply is  230 V - 50 Hz;

-

the system  has been filled with water (pressure registered
on the gauge 0,8/1 bar with pump not running);

-

any of the system’s on-off valves  are open;

-

the mains supply gas corresponds to the one which the
boiler has been calibrated for: otherwise convert the boiler
to use the available gas (refer to section: “GAS CONVER-
SION”); this operation must be carried out by a qualified
technician in compliance to the regulations in force;

-

the gas supply cock is open;

-

there are no gas leaks;

-

the external mains supply switch is on;

-

the boiler system’s safety valve is not blocked and that it is
connected to the sewage system;

-

the condensate drain siphon has been filled with water
and that it is connected to the sewage system;

DANGER!
Before firing the appliance fill up the siphon
through the filling hole and check the correct
drainage of the condensate.
If the appliance is used with the condensate
drain siphon empty this could cause
poisoning caused by the leakage of the flue
gasses.

-

there are no water leaks;

-

all the necessary ventilation conditions and minimum cle-
arance distances are guaranteed for subsequent servi-
cing in case the boiler is sited in a cupboard compartment.

Lighting and shutting down procedures

For lighting and shutting down the boiler refer to the “USER’S
INSTRUCTIONS GUIDE

”

.

Information to be passed on to the user

The user must be instructed on the use and operation of
his boiler and in particular detail:

-

Hand over to the end user the booklet: “USER’S INSTRUC-
TIONS GUIDE”, as well as all the other literature relative to
the appliance and placed in the envelope contained in the
packaging.  

The user must retain this literature for any

future reference.

-

Inform the user of the importance of the air vents and of the
flue outlet system, stressing the fact that absolutely no al-
teration can be made.

-

Inform the user regarding the control of the system’s water
pressure and how to restore it to the correct value.

-

Explain and demonstrate to the user the correct function
and adjustment of the temperature, thermostats and radia-
tors for the economic use of the system.

-

Remind the user that in order to comply to the regulations
in force the boiler has to be inspected and serviced regu-
larly as indicated by the manufacturer.

-

If the appliance is sold or transferred to another owner or if
the present user moves home and leaves the appliance
installed, ensure yourself that the manual always follows
the appliance so that it can be consulted by the new owner
and/or installer.