Ferroli ROMA 55 FF User Instructions - Roma 55 Ff
Supplied By www.heating spares.co Tel. 0161 620 6677
6
ROMA 55 FF
6. Control
The control thermostat knob A can be adjusted to suit system requirements. Settings are graduated from
approximately 30
°
C at minimum to approximately 85
°
C at maximum, corresponding to the water flow
temperature from the boiler, and assuming a correctly size system with the flow rate adjusted accordingly.
7. To turn off
1. For Short Periods Simply turn control thermostat knob A fully anticlockwise to OFF. The pilot will remain
alight but the main burner will not light, even if external controls call for heat.
2. For long periods turn the control thermostat knob A fully anticlockwise to OFF, twist the gas control knob
B clockwise and release, to extinguish the pilot, and switch off the electricy supply.
8. System frost protection
If there is any part the system which is in an area which may be subject to low temperatures, protection against
frost is advisable during long absence from the dwelling.
Various means are available:
a) External frost thermostat.
b) Effective lagging.
c) Leave all controls on at low setting.
d) Draining of the system.
Consult your Installer or Service Engineer for the best advice.
9. Overheat thermostat
Your boiler is fitted with this safety device which, if activated, will shut down the main burner and pilot. (Normal
control is via the control thermostat which will cycle the main burner leaving the pilot alight). If the pilot is
extinguished for no apparent reason, the overhead thermostat may have locked out the gas supply. Allow
the system water to cool, turn off the electrical supply, and repeat the lighting procedure, Section 5. Above.
If the problem persists, turn off the boiler and consult your Service Engineer.
NOTE - It is possible that a temporary lapse of electricity supply may cause the overheat thermostat operate.
10. Cleaning
Simply wipe the outer case with a soft, damp, cloth.