Ladder Diagram - Navien NPE-180A Installation Manual
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Also See for NPE-180A:
- User manual ,
- Service manual (171 pages) ,
- Installation manual (71 pages)
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5.4 Ladder Diagram
Primary
Secondary
HOT
NEUTRAL
EMI
FILTER
PWM
Primary
SMPS
DC15V
DC24V
DC12V
DC5V
Flow Sensor
APS
Fan
Hall Sensor
Outlet
Thermistor 1
Outlet
MCU 1
Thermistor 2
Inlet
Thermistor 1
Inlet
Thermistor 2
Exhaust
Thermistor
[NPE-180A/ 210A/ 240A]
EXT_PUMP
Relay 1
VENTURI
Relay 2
Relay 3
IGNITER
Relay 4
PUMP
FAN
Speed Control
Water Adjust
FSA Power
Valve
Switch
Flow Control
H.T.L
WD-PSS
Driving Circuit
Relay 3
MGV1
MGV2
Relay 1
Relay 2
Relay 4
Communication
Interface
UART
Communication
Interface
Ready Link
Interface
200V
Flame Rod
MCU 2
FRONT
PANEL
Ready Link
Appendixes
49
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