KDB-GOM
Series
- 5 -
2. Operating Types/Constructions/Schematic Diagram
2.1 Operating Types
Item Specification
Installation
Wall Mount Type
Flue Type
Both Use FF and FE
Usage
Both Use Heating and Domestic Water (Single Pipe, 2 Waterways)
Water Supply for
Heating
Maintain normally at a constant water pressure by pressure reducing valve
(Auto / Manual)
Control Method
Proportional Control Method by MICOM
Heat Exchanger Type
Single Dry Type (131/161/201GOM) and Single Wet Type (251/301/351GOM)
Combustion Method
Air Intake Method by Semi-Bunsen Burner
Gas Flow Control
Current Proportional Control Method by Thermistor
Heat Exchange
Method of Hot Water
y Heat Exchange Method : Indirect Heat Exchange by Secondary Heat Exchanger
y Heat Exchange Type : Plate Formed Brazing Heat Exchange
y Heat Exchange Circuit : Parallel Circuit
Ignition Method
Continuous Discharge, Direct Ignition Method
Heating
/
Domestic Water
Changeover
Heating Priority, Changeover to Domestic Water Circuit by 3-way Valve
Domestic Water Signal
Detect Flow by Flow Switch
y Motor : Condenser Type
y Casing : Engineering Plastic
Circulator Pump
y Impeller and Shaft Coupled : Magnetic Type
Expansion Tank
y Type : Expansion Tank
y Volume:6.5Liter(161/201GOM), 8.5Liter(251/301GOM)
Pressure Reducing /
Flow Limiting Control
and Water Hammering
Prevention
Control Pressure Reduction/Flow Limit and Prevent Water Hammering
by Diaphragm
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