Unical ALKON 70 kW Instruction Manual download pdf (Page 49)

Instructions for the installer

3.23 - 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 and regulations in force for

the gas part and for the electrical part;

- the air supply and the discharge of the products of

combustion are carried out in the correct way in

accordance to the specific Standards and regulations in

force;

- the gas supply system is correctly dimensioned for the

boiler’s output and is fitted with all the safety and control

devices prescribed by the regulations in force;

- the electrical supply must be 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 on-off valves of the system 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

CONVERSION”); 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 system’s safety valve on the boiler is not blocked and

that it is connected to the sewage system;

- the condensate drain siphon has been filled with water;

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 lead to danger

- there are no water leaks;

- all the necessary ventilation conditions and minimum

clearance distances are guaranteed for subsequent

servicing.

LIGHTING AND SHUTTING DOWN PROCEDURES

For lighting and shutting down the boiler refer to the

“INSTRUCTIONS GUIDE FOR THE PERSON IN CHARGE OF

THE APPLIANCE”

Information to be passed on to the user.

The usert be instructed on the use and operation of the

boiler and in particular:

- Hand the booklet: “USER’S OPERATING

INSTRUCTIONS”, as well as all the other literature relative

to the appliance, and placed in the envelope contained in

the packaging, to the user.

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

modification can be made.

- Inform theuser regarding the control of the system 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

radiators for the economic use of the system.

- Remind the user that a comprehensive service and the

measurement of thecombustion efficiency should be

carried out regularly (as requested by the national law).

- 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.

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Unical ALKON 70 kW Instruction Manual Page 49

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