2
Chapter1ProductCharacteristics Specications 6
Dimensions 7
NamesofComponents 8
Hot Water Supply Capability
9
Pressure Loss Characteristics
10
Operating Principle
11
TimingLogic 13
OperationFlowChart 14
FreezeProtectFlowChart 15
WiringDiagram 16
Chapter2 ComponentsDescription CircuitBoard 21
TemperatureThermistors 22
OverheatLimitSwitch 23
WaterLeakageDetector 24
GasLeakDetectorSensor 25
AirPressureSwitch 26
FlowControlValve 27
FlowSensor 28
Igniter 29
FlameDetectionSensor
30
AGM
31
GasValve
32
Fan
33
MetalFiberPremixBurner
34
WaterMixingValve 35
CirculationPump 36
DHW Inlet Filter
37
HeatExchanger
38
CondensateTrap 39
Chapter3HowtoUseTheControlPanel ControlPanelInterface 40
ControlPanelDisplay 41