Saturn KDB - 301 GOM - 2. Identifying the components of the boiler

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KDB-GOM

Series

- 38 -

2. Identifying the components of the boiler

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Model : KDB – 251 / 301GOM

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Model : KDB – 161 / 201GOM

Main Page

Technical Information1
Specifications of the KDB-GOM Series1
How Does It Work?2
Domestic Hot Water Priority2
The Seal-Combustion Process2
Baked-In Beauty3
System Timer3
Room Thermostat FR-53
Performance Indicator3
Specifications4
Kyungdong Boiler Specifications4
Operating Types5
Specification5
Constructions of the Boiler6
Schematic Diagram at the Heating Water Supply7
Schematic Diagram of Operating7
Controls of the Heating Temperature8
When the Heating with the Repetition Time8
Schematic Diagram at the Domestic Water Supply9
Controls of the Domestic Water Temperature10
Equipment Protection and Personal Safety10
Ignition Failure10
Flame Detection10
Automatic Water Fill11
Freeze Protection11
Gas Pressure Control11
Short Circuit Protection11
Lightening Protection11
Specifications and Functions of the Major Components12
Main Heat Exchanger12
Fan Assembly13
Circulation Pump14
Modulating Gas Control Valve15
Power Consumption15
Schematic Diagram15
3-Way Valve16
Expansion Tank17
Air Pressure Switch18
Hot Water Flow Switch19
High Limit Sensor (Bimetal Type)20
Electric Rating20
High Limit Fuse (Fuse Type)21
Heating Temperature Sensor22
Ignition Transformer23
Power Transformer24
Power Requirement24
Domestic Hot Water Heat Exchanger25
Burner Assembly26
Nozzle Holder Assembly27
Wiring Diagram28
Fault Repair Codes28
DIP S/W Setting on Main Controller28
13 Pin Wiring Connecting Diagram28
Kdb-Gom Series Wiring Diagram29
Main Controller30
DIP Switch Adjust Part30
DIP Switch Setting on Main Controller30
Post- Ignition31
Post-Purge31
Safety Shut-Off31
Boiler Stopping by Safety Shut-Off31
Water Level Sensor Trouble32
Heating Temperature Sensor Trouble32
Combustion Indication32
Re-Use Standby after Use Domestic Hot Water33
Freezing Prevention33
The Number of Fan Rotation Trouble33
Bimetal (Mechanical Type) Overheat Control33
Test Operation Function34
Forced Maximum / Minimum Combustion Function34
Current Proportional Range Compensation34
Installation of Boiler & Accessory35
Precautions before Installation35
Precautions before Installation36
Shipping from Factory36
Choosing the Best Location36
Methods of Installation36
Precautions for Installation37
Identifying the Components of the Boiler38
Installation of Water Piping39
Schematic of Piping Installation40
Mixing Type Valve40
Installation of the Flue41
PVC Venting Method41
Flue Pipes Used for STS Exhaust Flue Kit42
Schematic of Standard Flue Kit Installation42
Gas Piping Connections43
Installation of the Room Thermostat43
Wiring FR-5 Thermostat44
Trial Operation & Checkup45
Troubleshooting45
Checkup after Installation46
Freeze Prevention Device46
Checks before Trial Operation46
Checking for Gas and Water Leaks46
Trial Operation Quick-Fill47
Procedure of Trial Operation47
Routine Maintenance48
Checking Items48
Troubleshooting - Error Codes49
Troubleshooting - Occurs50
Fuel Conversion Method51
Conversion Kit Contents52
Required Parts & Tools52
Change Nozzle Assembly53
Procedure of Gas Conversion54
DIP Switch Setting on the Main Controller54
Gas Modulating Valve Head54
Set Offset of the Gas Control Valve55
Troubleshooting56
Low Water Level57
Symptoms and Causes57
Ignition Failure58
What’s a Pseudo Flame?61
Procedure of Disassembly/Assembly78
Circulation Pump78
Room Thermostat79
Replacement Steps79
Expansion Tank84
Air Pressure Switch85
Ignition Transformer88
Electrode Assembly89
Part List97
Exploded Views97

Saturn KDB - 301 GOM - 2. Identifying the components of the boiler

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