Technical data
10
If the appliance is to be disposed of, contact Robur S.p.A. for its correct disposal.
If the appliance is to be sold or transferred to another owner, ensure that this “Installa-
tion, user and maintenance manual” is handed over to the new owner and installation
technician.
2.2 OVERVIEW OF OPERATION
The appliance powered by 230 V 1N 50 Hz electrical power - .
During operation, combustion products are exhausted via the discharge terminal, with
vertical outlet, at the top of the appliance. Combustion product condensate is dischar-
ged via the special pipe which passes through the service plate (see Figure 2.3 SERVICE
PANEL: Series AY - AY Condensing line → 15).
The appliance is equipped with a plate exchanger which separates the following
hydraulic circuits:
the • internal circuit dedicated to the combustion unit and factory charged to
enable storage down to -30°C;
the • system circuit. The section of circuit running from the exchanger to the
hydraulic unions on the service plate is itself a part of the system circuit.
Control and management of operation of the appliance occurs via the on-board
electronics through the microprocessor control board (see Figure 3.1 On-board
electronics → 19).
Control and management of operation of the appliance may also take place via the
Direct Digital Controller (see Figure 2.1 → 10) available as an accessory.
For instructions regarding the use, conguration and programming of the DDC, refer
to the two manuals supplied with the unit.
DDC conguration/programming operations must be carried out by an authorised Ro-
bur Technical Assistance Centre (TAC) during initial activation procedures and accor-
ding to the instructions supplied by the manufacturer.
Figure 2.1
Direct Digital Control (DDC)
LEGEND
DDC Direct Digital Control
AY00-120: description and general characteristics
the appliance (see Figure 2.2 Dimensional drawing of model AY00-120 → 14) is a B53P
type high eciency boiler ( star eciency class as per Directive 92/42/CEE).