Rima ONGAS 300 W Series User Manual

ONGAS 300/W WALL TYPE CONDENSING BOILER
ONGAS 300 FLOOR TYPE CONDENSING BOILER
C * ONGAS 303 W * ONGAS 303
* ONGAS 304 W * ONGAS 304
* ONGAS 304 W Plus * ONGAS 305
* ONGAS 305 W * ONGAS 306
* ONGAS 306 W * ONGAS 307
* ONGAS 307 W
USER’S MANUAL

Rima ONGAS 300 W Series Specifications

General

Brand	Rima
Model	ONGAS 300 W Series
Category	Boiler
Language	English

Summary

1. General Information

1.1. Introduction

General welcome and overview of the manual's purpose.

1.2. Certificates

Details RIMA's certifications and compliance with EU directives.

1.3. General Warnings and Recommendations

1.3.1. Explanations of Symbols

Explains warning and safety symbols used in the manual.

1.3.2. General Warnings and Recommendations

Provides general advice and precautions for boiler installation and operation.

1.3.2.1. Handling and Transport Precautions

1.3.3. Power Saving Benefits

1.3.4. Cascade Configuration

1.3.5. Safety Instructions

1.4. Responsibilities

1.4.1. Points to Consider Before Contacting Service

Pump Recommendations

Flue and Electrical Installation Notes

1.5. Explanation of Packaging Symbols

1.5.1. Parts Delivered as Standard

1.6. Data Label Overview

1.6.1. Gas Type Label

2. General Specifications of Condensing Boilers

2.1. Components of Wall Type Boiler

2.2. Components of Floor Type Boiler

2.3. Technical Specifications - Wall Type

2.4. Technical Specifications - Floor Type

3. Installation and Commissioning

3.1. Packaging and Handling

Details packaging, handling, and minimum installation distances.

3.2. Dimensions - Wall Type Boiler

3.3. Dimensions - Floor Type Boiler

3.4. Installation Instructions

3.5. Gas Connections

3.6. Electrical Connections

3.7. Electrical Wiring Diagram

3.8. Commissioning Procedures

4. Operation of Control Panel

4.1.1. Control Panel Display

Identifies and explains the elements of the control panel display.

4.2. Application Modes

Describes different operating modes available on the control panel.

Protection Mode

Winter Mode Selection

DHW Heating Mode Selection

Changing Room Temperature Set Point

Stand-by Button Function

Indicator Information

2.7. Possible Indicators

2.8. Other Indicators

2.9. Special Conditions

Reset Function

Setting Set Points Manually

Flue Measurement Function

2.10. SLT Test

4.3. Programming

3.1. Principles of Setting

Explains principles for programming and setting parameters.

Sample Menu Structure

4.4. User Levels

User Menu and Line Numbers

Lists user menu items and their corresponding line numbers for reference.

Engineer Configuration Setting

4.5. Control Panel Accessories Operation

Operating Elements

Identifies controls for Room Unit and Operator Unit.

Display Options

Explains the meaning of various symbols displayed on the control panel.

5. Installation and Piping Inspection

5.1. Heating Water Quality

Discusses water quality requirements for the heating system.

5.1.1. Water Conditioning

Details precautions for water hardness and calcification prevention.

Sediment Management

Water Pressure Considerations

Water Flow Rate

5.2. Condensate Discharge

5.3. Gas Ratio Adjustment

5.3.1. Gas Leak Test

Outlines the procedure for performing a gas leak test.

5.3.2. Gas Ratio Adjustment

Details how to adjust the gas ratio for optimal combustion.

5.4. Flue Connections

Type B23 Flue Configuration

Describes Type B23 flue configuration (open flue).

Type C63 Flue Configuration

Describes Type C63 flue configuration (closed room).

5.4.1. Installation Examples

5.4.2. Flue Installation for Wall Type Boilers

5.5. Wiring Diagrams

6. Error Codes

7. Cleaning, Maintenance & Replacement

7.1. Combustion System Inspection

Details how to inspect the boiler's combustion system components.

7.2. Cleaning Fan, Venturi, Burner

Provides steps for cleaning key components of the boiler.

7.3. Electrode Inspection

Guides on inspecting and replacing ignition electrodes.

8. Warranty and Commissioning

Warranty Conditions

Outlines the terms and conditions of the boiler warranty.

8.1. Boiler Commissioning Form

8.2. Operating Instructions

8.3. Boiler System Inspection Form