Navien LCB700-21RS, Installation & Operation Manual

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2 Contents
Contents
1. Safety Information 3
2. About the Boiler 8
2.1 Items Included 8
2.2 Accessories 8
2.3 Specifications 9
2.4 Components 11
2.5 Dimensions 15
3. Installing the Boiler 17
3.1 Installation Procedure 17
3.2 Choosing an Installation Location 18
4. Installing the System Piping 20
4.1 Installing a Central Heating System 21
4.2 Installing a System Application 23
4.3 Connecting the Condensate Drain Line 25
4.4 Installing the Support (Optional) 26
4.5 Filling the System 26
4.6 Testing the Water System 27
5. Connecting the Oil Supply 28
5.1 Essential Elements in the Oil Supply 28
5.2 Connecting the Flexible Hose to the Fuel Pipe 29
5.3 Oil Supply 30
5.4 Burner Oil Connection 33
6. Flue System 34
6.1 Flue Terminal Positions 34
6.2 Coaxial Systems 35
6.3 Measuring Flue Length 36
6.4 Terminating the Flue 37
6.5 Fixing the Flue 37
7. Setting the DIP Switches 38
7.1 PCB DIP Switches 38
7.2 Front Panel DIP Switches 38
8. Connecting the Power Supply 40
9. Connecting Electrical Supplies 41
9.1 Accessing the Main Controller (PBA) 41
9.2 About the Main Controller (PBA) 42
9.3 Setting the Heating Demand 43
9.4 Connecting Applications - Low Voltage (DC)
Application Part 44
9.5 Connecting Applications to the AC
Application Part 46
9.6 Connecting Applications to AC
Application Part (With Junction Box) 48
10. Installation Check list 50
11. Operating the Boiler 52
11.1 Using the Front Panel 52
11.2 Turning the Boiler on or off 54
11.3 Adjusting the Temperature 54
11.4 Accessing Basic Menu Items 56
11.5 Accessing Advanced Menu Items 62
11.6 Error Codes 67
12. Maintaining the Boiler 68
12.1 Cleaning the Boiler 68
12.2 Draining the Boiler 68
12.3 Protecting the Boiler from Freezing 69
12.4 Maintenance Schedules 70
12.5 Maintaining the Parts 71
13. Appendices 76
13.1 Wiring Diagram 76
13.2 Component Assembly Diagrams and Parts 77