Opening Sequence Of The Fuse-Holder - Riello RX 500 S/PV Modulating Operation

5.9.2

Opening sequence of the fuse-holder

In the event of a fault or control of the fuse-holder, proceed as fol-
lows to remove or change the fuse:
Disconnect the electrical supply from the burner
by means of the main system switch.
DANGER
Release as in Fig. 20.
Open the component side (control or replacement) as indicated
in Fig. 21.
20138630
S8688
Fig. 20
S8689
Fig. 21
Installation
Close the component side (Fig. 22).
Hook the component side (Fig. 23).
After installing, check all the safety conditions:
line leaks, tightening, adequateness and stability
of the main flame in all the permitted firing rates
WARNING and with sudden change of the firing rate, perfor-
mances and gas sealing of all the safety shut-off
valves.
Sheets of the cover, cases and protections should
always be in their place except during mainte-
nance and repair work.
26 GB
S8690
Fig. 22
S8691
Fig. 23