Operating/User Instructions; Introduction; Control Panel - Ferroli SYS 10-23 Installation, Maintenance And User Instruction

Wall-hung, gas-fired, system boiler, for central heating

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1. OPERATING/USER INSTRUCTIONS

Dear Customer,

Thank you for having chosen the SYS 10-23, an advanced-concept FERROLI wall-hung boiler featuring

cutting-edge technology, high reliability and constructional quality. Please carefully read this manual

and leave it with the end user.

The SYS 10-23 is a high efficiency heat generator for central heating systems, operating on natural

gas or LPG.

The boiler can be connected to an external hot water cylinder for the production of domestic hot water,

via a "Y" or "S" plan type system.

The boiler body is made up of a copper heat exchanger, the special design of which guarantees high

heat exchange efficiency in all operating conditions, and an atmospheric burner featuring electronic

ignition with ionisation flame control.

The boiler is completely sealed from the surrounding environment: the air required for combustion is

taken in from the outside, and a fan is used to expel the flue gases. The accessories supplied with the

boiler also include a variable-speed pump, expansion vessel, safety valve, air pressure switch, boiler

thermostat, pump overrun and safety thermostat.

The user simply has to set the temperature required inside the home (using the optional, yet recom-

mended room thermostat) or set the system temperature and the required domestic hot water outlet

temperature at the cylinder stat. The regulation and control system will then ensure optimum operation

all year round.

NOTE. External controls not supplied with the boiler.

To access the control panel, open the drop down cover.

On /OFF switch

CH boiler thermostat

Reset knob with lamp

Central heating pressure gauge

fig. 1

Sys 10 - 23

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