Need help?Do you have a question about the Biasi 28S and is the answer not in the manual?
Instructions must be read thoroughly for safe use and kept for future reference.
Installation and first lighting must be performed by qualified and responsible engineers.
Repairs by approved engineers; boiler for specific purposes, keep away from children.
Avoid obstructing air supply, using extractors; manufacturer disclaims liability for incorrect procedures.
Boiler complies with EEC directives for gas appliances and radio interference.
Manufacturer reserves the right to modify product data for improvement without prior notice.
Identification of the case front panel, burner window, and lower front panel.
Diagram showing the arrangement of interception valves for central heating and domestic hot water.
Illustrations of control panels for various BIASI boiler models (24S, 28S, 24SR, 24A, 28A, 24AR).
Detailed explanation of each knob, switch, and indicator lamp on the boiler's control panel.
Summary of technical data for central heating and domestic hot water, including temperature and pressure limits.
Essential pre-operation tests by qualified engineer for safety and correct operation.
Procedure for refilling the heating circuit and igniting the boiler.
How to adjust central heating water temperature based on outside conditions for optimal economy and comfort.
Setting domestic hot water temperature, separate from central heating, for combination boilers.
Tips for domestic hot water use, temperature adjustment to minimize cold mixing and scale.
Instructions for turning off the boiler for long periods, including power and water isolation.
Immediate actions for gas leak detection, prioritizing safety, ventilation, and shutting off gas.
Advice on room thermostats, radiator checks, and adjusting central heating settings.
Information on time switch, fume control, frost protection, and periodic maintenance requirements.
Proper method for cleaning the boiler's external panels using mild soap and water.
Troubleshooting common issues like lock-out lamps, no ignition, air bubbles, and pressure gauge readings.
Causes and solutions for reduced domestic hot water supply, such as filter clogs or limescale.
Procedure for dealing with water leaks and other unspecified problems by shutting off and contacting service.
General| Type | Condensing |
|---|---|
| Output | 28 kW |
| Max. Domestic Hot Water Output | 28 kW |
| Fuel Type | Natural Gas |
| Boiler Type | Combination |
| Mounting | Wall-mounted |
| Water Pressure | 3 bar |
To Next Page
