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NCB-700-3S/54K
Navien NCB-700-3S/54K Manuals
Manuals and User Guides for Navien NCB-700-3S/54K. We have
1
Navien NCB-700-3S/54K manual available for free PDF download: Service Manual
Navien NCB-700-3S/54K Service Manual (121 pages)
Condensing Combi Boiler
Brand:
Navien
| Category:
Boiler
| Size: 27.62 MB
Table of Contents
Table of Contents
5
Safety Information
8
Product Information
13
Components
14
Technical Data
18
General Specifications
18
Dimensions
20
System Details
21
Setting the DIP Switches
21
PCB DIP Switches
21
Front Panel DIP Switches
21
Measuring the Incoming Gas Pressure
21
Gas Conversion
23
The Front Panel
28
Icons and Digital Display
28
Buttons
29
Turning the Boiler on or off
30
Set-Up Wizard
30
Adjusting the Temperature
30
Resetting the Boiler
31
Accessing Basic Menu Items
32
Accessing Advanced Menu Items
37
Electrical Diagnostic Contacts and Wiring Diagram
42
Ladder Diagram
43
Key Component Descriptions
44
Pcb
44
High Temperature Limit Switch
45
Thermistor
46
Fan Motor
47
Flame Rod Assembly
48
Ignition Transformer
49
Aps
50
Main Gas Valve
51
Burner (to be Revised)
52
Flow Sensor (to be Revised)
53
Primary Heat Exchanger
54
Secondary Heat Exchanger
55
DHW Heat Exchanger
56
Circulation Pump
57
Way Valve
58
Water Pressure Sensor
59
Dual Venturi
60
Expansion Tank
61
Troubleshooting
62
Error Code Classification
62
Error Code List and Actions
63
Error
66
Error
74
Error
75
Error
78
Error
80
Error
81
Error
82
Error
83
Error
85
Error
87
Error
89
Error
91
Error
93
Error
94
Error
95
Error
96
Error
98
Error
100
Error
101
Error
102
Troubleshooting Guide by Symptom
103
Noise
103
Water Temperature Issue
104
Circuit Breaker Operation
105
Replacement of Parts
106
Replacement Procedure
106
Components Replacement Instructions
106
Pcb
106
Fuse
107
Fan Motor (Combustion Air)
108
Flame Rod
109
Ignition Transformer
109
Aps
110
Main Gas Valve
110
Condensate Trap
111
Circulation Pump
112
Flow Sensor
112
3-Way Valve
113
Water Pressure Sensor
113
DHW Heat Exchanger
114
Components Diagram and Part List
115
Case Assembly
115
Burner Assembly
116
Waterway Assembly
117
Inspection and Maintenance Schedule
118
Annual Servicing
118
Maintenance Report
118
Maintenance Schedules
118
Inspection Report
118
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