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NCB-28LSWE
Navien NCB-28LSWE Manuals
Manuals and User Guides for Navien NCB-28LSWE. We have
2
Navien NCB-28LSWE manuals available for free PDF download: Service Manual, Installation & Operation Manual
Navien NCB-28LSWE Service Manual (144 pages)
Condensing Combi Boiler
Brand:
Navien
| Category:
Boiler
| Size: 9.02 MB
Table of Contents
Table of Contents
4
Navien Warranty
5
Warranty Period
5
1 Safety Information
7
Safety Definitions
7
Safety Symbols
7
Instructional Symbols
7
Safety Precautions
7
2 Product Information
14
Components
15
3 Technical Data
19
General Specifications
19
Dimensions
21
4 System Details
22
Setting the DIP Switches
22
PCB DIP Switches
22
Front Panel DIP Switches
23
Measuring the Incoming Gas Pressure
23
Gas Conversion
25
The Front Panel
32
LCD Display
32
Error
32
Buttons
33
Turning the Boiler on or off
35
Normal Operation
35
Displaying and Resetting Errors
37
Adjusting the Space Heating Temperature Set Point
37
Adjusting the DHW Temperature
38
Viewing Basic Information
39
Displaying Error History
41
Displaying Service Information
42
Service Status Information
45
Parameter Setting Mode
47
Resetting the Boiler (Factory Reset)
58
Version Display
59
Heat Demand
59
Error Codes
59
Electrical Diagnostic Contacts and Wiring Diagram
60
Key Component Descriptions
62
Pcb
62
Error
62
High Temperature Limit Switch
63
Thermistor
64
Fan Motor
65
Flame Rod Assembly
66
Ignition Transformer
67
Aps
68
Main Gas Valve
69
Burner (to be Revised)
70
Flow Sensor (to be Revised)
71
Primary Heat Exchanger
72
Secondary Heat Exchanger
73
DHW Heat Exchanger
74
Circulation Pump
75
Way Valve
76
Water Pressure Sensor
77
Dual Venturi
78
Expansion Tank
79
5 Troubleshooting
80
Error Code Classification
80
Error Code List and Actions
81
Error
84
Error
86
Error
92
Error
93
Error
96
Error 030
98
Error
100
Error 060
101
Error 109
103
Error 110
105
Error
106
Error
108
Error
110
Error
111
Error
112
Error
113
421Error
115
515Error
117
517Error
118
740Error
119
782Error
120
Troubleshooting Guide by Symptom
121
Noise
121
Water Temperature Issue
122
Circuit Breaker Operation
123
6 Replacement of Parts
124
Replacement Procedure
124
Components Replacement Instructions
125
Pcb
125
Fuse
125
Fan Motor (Combustion Air)
125
Flame Rod
126
Ignition Transformer
127
Aps
128
Main Gas Valve
128
Condensate Trap
129
Circulation Pump
130
Flow Sensor
130
3-Way Valve
131
Water Pressure Sensor
131
DHW Heat Exchanger
132
Expansion Tank
132
7 Components Diagram and Part List
133
Case Assembly
133
Burner Assembly
134
H-Ex Assembly
135
Waterway Assembly
136
Gas Assembly
137
Fan Assembly
138
8 Inspection and Maintenance Schedule
139
Annual Servicing
139
Maintenance Report
139
Maintenance Schedules
139
Inspection Report
139
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Navien NCB-28LSWE Installation & Operation Manual (63 pages)
Condensing Combi Boiler
Brand:
Navien
| Category:
Boiler
| Size: 15.06 MB
Table of Contents
Table of Contents
3
Safety Information
4
1 About the Boiler
8
Items Included
8
Accessories
8
Technical Data
9
Components
11
Dimensions
15
Operating Modes
16
Installation Procedure
18
Gas Changeover
18
Gas Connection
18
System Installation
18
Dip Switch Settings
18
Electrical Connections
18
2 Installing the Boiler
19
Choosing an Installation Location
19
Mounting the Boiler to the Wall
21
3 Installing the System Piping
22
Installing a Space Heating System
22
Installing a Domestic Hot Water (DHW) System
23
Connecting the Condensate Drain Line
23
Pipe Demensions and Water Pressure
24
Pressure Relief Valve
25
Filling the System
25
Testing the Water System
25
4 Connecting the Gas Supply
26
Gas Pipe Material
27
Propane Gas Installations (LPG)
27
Measuring the Inlet Gas Pressure
27
5 Venting the Boiler
29
Flue Terminal Positions
29
Selecting a Vent System
30
Coaxial Systems
31
Dual Duct Systems
32
Measuring Vent Length
34
Terminating the Vent
34
6 Setting the DIP Switches
35
PCB DIP Switches
35
Front Panel DIP Switches
35
7 Connecting Electrical Supplies
36
Accessing the Terminal Strips
36
Connecting Cables
37
Connecting the Power Supply
37
Connecting the Room Thermostat
38
Connecting the Opentherm
38
Connecting the Outdoor Temperature Sensor
38
Opentherm® Protocol
38
8 Installation Check List
39
9 Operating the Boiler
40
Turning the Boiler on or off
40
Adjusting the Temperature
40
Viewing Basic Information
41
Setting the Operation Mode
42
Setting the Parameters
42
Resetting the Boiler
49
10 Appendixes
50
Gas Conversion
50
Cleaning the Heat Exchanger
56
Wiring Diagram
59
Ladder Diagram
60
Outdoor Temperature Sensor (Optional)
61
Gas Boiler System Commissioning Checklist
62
Service Record
63
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