MONOLITE
14
4.9
PRESSURISED BOILER CONNECTION
Before installation, clean the inside of all the fuel supply pipes, to remove any residues that might compro-
mise correct boiler operation. Check the maximum combustion chamber pressure, as shown in the technical
characteristics table. The observed value can increase by 20 % if the fuel used is not gas or light fuel oil, but
heavy oil; further, make the following checks:
a) check the internal and external fuel supply system for any leaks;
b) adjust the fuel supply rate as to the required boiler heat rating;
c) check that the boiler is supplied with the type of fuel for which it has been arranged;
d) check that the fuel supply pressure is within the values shown on the burner data plate;
e) check that the fuel supply system is dimensioned adequately for the fuel supply rate that the boiler re-
quires, and that the fuel supply system is complete with all the safety and control devices foreseen by
current applicable regulations.
In particular for the use of gas:
f) check that the gas line and collector pipes conform to current applicable standards and regulations;
g) check that all gas connections are perfectly gas-tight;
h) check that the boiler room ventilation openings are dimensioned to guarantee an air flow as foreseen by
applicable regulations, and in any case sufficient for perfect combustion;
i) check that the gas pipes are not used as a ground (earth) for electrical devices.
If the boiler will not be used for some time, close the fuel supply.
IMPORTANT: check that the spaces between the burner sleeve and the boiler door are filled with
thermal insulation (Fig. 3).
A piece of ceramic fibre insulation rope is provided with the boiler. If this is not
suited to the specific burner fitted, use a rope of another diameter, of the same type of material.
All details on the draught tube lenght (
P6
), the diameter of the burner hole (
Øb
) and the pressurization are
included in the par. Technical Specifications.
4.10 WIRING DIAGRAM
See wiring diagram inside the boiler control panel supplied:
Control panel with thermostats (standard)
Control panel with RVA 43 digital controller for high/low burners (optional)
Control panel with RVA 63 digital controller for modulating burners (optional)
REMARK: specific instruction are provided along the digital controllers control panels.
1
4
3
2
Fig. 3
KEY:
1. Burner
2. Manhole
3. Thermoinsulating
material
4. Flange
P6
Ø
b
Summary of Contents for MONOLITE JB Series
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