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Saturn KDB - 251 GOM User Manual

Saturn KDB - 251 GOM
106 pages
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KDB-GOM
Series
- 1 -
1. Specifications of the KDB-GOM series
1.1 Kyungdong Boiler Product Features and Functions
1.2 Specifications
2. Operating Types/Constructions/Schematic Diagram
2.1 Operating Types
2.2 Constructions of the Boiler
2.3 Schematic Diagram of Operating
3. Equipment Protection and Personal Safety
4. Specifications and Functions of the Major Components
4.1 Main Heat Exchanger
4.2 Fan Assembly
4.3 Circulation Pump
4.4 Modulating Gas Control Valve
4.5 3-Way Valve
4.6 Expansion Tank
4.7 Air Pressure Switch
4.8 Hot Water Flow Sensor
4.9 High Limit Sensor(Bimetal Type)
4.10 High Limit Fuse(Fuse Type)
4.11 Heating Temperature Sensor
4.12 Ignition Transformer
4.13 Power Transformer
4.14 Domestic Hot Water Heat Exchanger
4.15 Burner Assembly
4.16 Nozzle Holder Assembly
4.17 Wiring Diagram
4.18 Main Controller
I.
Technical Information

Table of Contents

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Saturn KDB - 251 GOM Specifications

General IconGeneral
TypeGas Boiler
Fuel TypeNatural Gas
Weight32 kg
Dimensions700 x 400 x 300 mm
Mounting TypeWall-mounted

Summary

I. Technical Information

1. Specifications of the KDB-GOM Series

Details product features, functions, and technical specifications for the KDB-GOM series.

2. Operating Types, Constructions, and Schematic Diagrams

Explains operating principles, construction, and schematic diagrams for heating and domestic water systems.

3. Equipment Protection and Personal Safety

Covers safety features and protective measures integrated into the boiler system.

4. Major Component Specifications and Functions

Detailed breakdown of major boiler components, their specifications, and operational functions.

II. Installation of Boiler & Accessory

1. Installation Precautions and Guidelines

Essential guidelines and warnings to follow before installing the boiler, including location and safety.

2. Boiler Component Identification

Visual guide to identifying the various parts and components of the boiler models.

3. Piping and Flue Installation Procedures

Guidelines for installing water, flue, and gas piping, including material and connection requirements.

4. Room Thermostat Installation

Guidance on selecting the best location and performing the installation of the room thermostat.

III. Trial operation & Checkup

1. Pre-Operation Checks and Trial Run

Procedures for checking installation, gas/water leaks, and performing initial trial operation.

2. Routine Maintenance Procedures

Schedule and measures for regular maintenance tasks to ensure optimal boiler performance.

3. Troubleshooting Guide

Guidance for diagnosing and resolving issues based on error codes and common symptoms.

IV. Fuel Conversion Method

1. Fuel Conversion Kit Contents and Requirements

Lists components, parts, and tools needed for converting the boiler's fuel type.

2. Fuel Conversion Procedure

Step-by-step instructions for converting the boiler's fuel type from Natural Gas to Propane Gas.

V. Troubleshooting

Ignition and Combustion Failures

Addresses ignition failures, flame issues, and abnormal combustion during operation.

Sensor and Circuit Failures

Diagnoses problems related to sensor disconnections, short circuits, and control module failures.

Airflow and Pressure Related Issues

Resolves errors linked to air pressure switches, fan RPM, and flue conditions.

Water Level and Flow Problems

Troubleshoots issues concerning low water levels, heating flow sensors, and water filling.

Other System Malfunctions

Covers failures related to gas alarms, mechanical overheat, DIP switch settings, and general system errors.

VI. Procedure of disassembly/assembly

Room Thermostat (FR-5) Disassembly/Assembly

Step-by-step instructions for safely disassembling and reassembling the FR-5 room thermostat.

Main Controller Disassembly/Assembly

Procedures for disassembling and reassembling the boiler's main controller unit.

Modulating Gas Control Valve Disassembly/Assembly

Detailed steps for disassembling and reassembling the modulating gas control valve.

Fan Assembly Disassembly/Assembly

Instructions for safely removing and reinstalling the boiler's fan assembly.

Circulation Pump Disassembly/Assembly

Step-by-step guide for disassembling and reassembling the circulation pump.

VII. Part List

1. Exploded Views of Boiler Components

Visual diagrams showing the exploded views of the boiler components for different models.

2. Detailed Part Lists by Section

Comprehensive lists of parts categorized by sections, including part codes and materials.

2.1 Front Cover & Cabinet Section Parts

Part list for the front cover and cabinet components of the KDB-161/201GOM and KDB-251/301GOM.

2.2 Main Heat Exchanger Section Parts

Part list for the main heat exchanger components for KDB-161/201GOM and KDB-251/301GOM.

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