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NCB500-2S+/41K
Navien NCB500-2S+/41K Manuals
Manuals and User Guides for Navien NCB500-2S+/41K. We have
1
Navien NCB500-2S+/41K manual available for free PDF download: Service Manual
Navien NCB500-2S+/41K Service Manual (118 pages)
Condensing Combi Boiler
Brand:
Navien
| Category:
Boiler
| Size: 34 MB
Table of Contents
Table of Contents
5
Safety Information
8
Product Information
12
Components
13
Technical Data
15
General Specifications
15
Dimensions
17
System Details
18
Setting the DIP Switches
18
PCB DIP Switches
18
Front Panel DIP Switches
18
Measuring the Inlet Gas Pressure
19
Gas Conversion
20
Using the Front Panel
25
Icons and Digital Display
25
Buttons
26
Turning the Boiler on or off
27
Start-Up Wizard
27
Adjusting the Temperature
27
Resetting the Boiler
28
Accessing Basic Menu Items
29
Accessing Advanced Menu Items
34
Wiring Diagram
39
Ladder Diagram
40
Key Component Descriptions
41
Pcb
41
High Temperature Limit Switch
42
Thermistor
43
Fan Motor
44
Flame Rod Assembly
45
Ignition Transformer
46
Main Gas Valve
47
Burner
48
Flow Sensor
49
Primary Heat Exchanger
50
Secondary Heat Exchanger
51
DHW Heat Exchanger
52
Circulation Pump
53
Way Valve
54
Water Pressure Sensor
55
Expansion Tank
56
Troubleshooting
57
Error Code Classification
57
Error Code List and Actions
58
Error
61
Error
69
Error
70
Error
72
Error
74
Error
75
Error
76
Error
77
Error
79
Error
81
Error
82
Error
83
Error
84
Error
85
Error
87
Error
89
Error
90
Error
91
Troubleshooting Guide by Symptom
92
Noise
92
Water Temperature Issue
93
Circuit Breaker Operation
94
Replacement of Parts
95
Replacement Procedure
95
Components Replacement Instructions
95
Pcb
95
Fuse
96
Fan Motor (Combustion Air)
97
Flame Rod
98
Ignition Transformer
98
Main Gas Valve
99
Condensate Trap
99
Circulation Pump
100
Flow Sensor
100
3-Way Valve
101
Water Pressure Sensor
101
DHW Heat Exchanger
102
Components Diagram and Part List
103
Case Assembly
103
Burner Assembly
104
Waterway Assembly
105
Inspection and Maintenance Schedule
106
Annual Servicing
106
Maintenance Report
106
Maintenance Schedules
106
Inspection Report
106
Routine Servicing
107
Interim Service
107
Full Service
109
CO and Combustion Checks
112
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