Biasi ADVANCE 30C - Service Manual

Wall hung, fanflue, roomsealed, high efficiency gas boiler
Service manual
ADVANCE
Models G.C. Appl. No.
ADVANCE 25C 47-583-43 COMBI BOILER
ADVANCE 30C 47-583-44 COMBI BOILER
ADVANCE 35C 47-583-45 COMBI BOILER
ADVANCE 25S 41-583-33 SYSTEM BOILER
ADVANCE 30S 41-583-34 SYSTEM BOILER
Leave this manual adjacent to the gas meter
Warning:
Service / repairs must be carried out, only by a qualified Gas Safe Registered
Engineer, who will be responsible for the current Regulations for gas
appliances.
Note:
After servicing, complete the relevant Service Interval Record section of the
Benchmark Checklist of the user and installation manual.

Summary

Overall Information and Diagrams

Overall View

Provides a visual overview of the boiler's components and their layout.

Hydraulic Diagram

Illustrates the central heating and domestic hot water circuits of the boiler.

Boiler Diagrams

Presents electrical wiring schematics for various Advance boiler models.

Fault Finding and Maintenance

Fault Finding Diagnostics

Explains error codes and their meanings indicated on the boiler display for troubleshooting.

Heat Exchangers and Pump

Condensing Heat Exchanger

DHW Heat Exchanger

Pump

Diverter Valve and Control System

Three Way Diverter Valve

Covers the function, checks, and removal of the three-way diverter valve and its actuator.

Main Electronic Control;Ignition PCB

Details the function, selection, adjustment, and removal of the main electronic control board.

Thermal Control Modes

Illustrates the thermal control logic for winter heating and domestic hot water modes.

Control Panel Electronic PCB

Explains the function, information display, and removal of the control panel electronic PCB.

Gas Valve and Circuit Components

Gas Valve

Details the function, parts, adjustment, checks, and removal of the gas valve.

Primary Circuit Pressure Switch

Expansion Vessel and Pressure Gauge

DHW Flow Switch, Filter and Flow Limiter

Temperature Probe

Biasi ADVANCE 30C Specifications

General

Model	ADVANCE 30C
Category	Boiler
Output	30 kW
Fuel Type	Natural Gas
Boiler Type	Combi
Mounting	Wall-mounted
ERP Efficiency	A
CH Output (kW)	30 kW
DHW Output (kW)	30 kW
Max Gas Rate	3.5 m³/h
Water Pressure	3 bar
Central Heating Flow Temperature	80°C