Navien NCB500-2S/37K, Руководство по обслуживанию

Страница: 5 / 118

4 Contents
Contents
1. Safety Information 7
2. Product Information 11
2.1 Product Information 11
2.2 Components 12
3. Technical Data 14
3.1 General Specifications 14
3.2 Dimensions 16
4. System Details 17
4.1 Setting the DIP Switches 17
4.1.1 PCB DIP Switches 17
4.1.2 Front Panel DIP Switches 17
4.2 Measuring the Inlet Gas Pressure 18
4.3 Gas Conversion 19
4.4 Using the Front Panel 24
4.4.1 Icons and Digital Display 24
4.4.2 Buttons 25
4.4.3 Turning the Boiler On or Off 26
4.4.4 Start-Up Wizard 26
4.4.5 Adjusting the Temperature 26
4.4.6 Resetting the Boiler 27
4.4.7 Accessing Basic Menu Items 28
4.4.8 Accessing Advanced Menu Items 33
4.5 Wiring Diagram 38
4.6 Ladder Diagram 39
4.7 Key Component Descriptions 40
4.7.1 PCB 40
4.7.2 High Temperature Limit Switch 41
4.7.3 Thermistor 42
4.7.4 Fan Motor 43
4.7.5 Flame Rod Assembly 44
4.7.6 Ignition Transformer 45
4.7.7 Main Gas Valve 46
4.7.8 Burner 47
4.7.9 Flow Sensor 48
4.7.10 Primary Heat Exchanger 49
4.7.11 Secondary Heat Exchanger 50
4.7.12 DHW Heat Exchanger 51
4.7.13 Circulation Pump 52
4.7.14 3 Way Valve 53
4.7.15 Water Pressure Sensor 54
4.7.16 Expansion tank 55
5. Troubleshooting 56
5.1 Error Code Classification 56
5.2 Error Code List and Actions 57
5.2.1 Error 001 60
5.2.2 Error 003 62
5.2.3 Error 004 68
5.2.4 Error 012 69
5.2.5 Error 016 71
5.2.6 Error 030 73
5.2.7 Error 031 74
5.2.8 Error 046 75
5.2.9 Error 047 75
5.2.10 Error 109 76
5.2.11 Error 205 78
5.2.12 Error 218 80
5.2.13 Error 302 81
5.2.14 Error 352 82
5.2.15 Error 353 83
5.2.16 Error 407 84
5.2.17 Error 421 86
5.2.18 Error 515 88
5.2.19 Error 517 89
5.2.20 Error 594 89
5.2.21 Error 615 89
5.2.22 Error 740 90
5.2.23 Error 782 90
5.3 Troubleshooting guide by symptom 91
5.3.1 Noise 91
5.3.2 Water Temperature Issue 92
5.3.3 Circuit breaker operation 93
6. Replacement of Parts 94
6.1 Replacement Procedure 94
6.2 Components Replacement Instructions 94
6.2.1 PCB 94
6.2.2 Fuse 95
6.2.3 Fan Motor (Combustion Air) 96
6.2.4 Flame Rod 97
6.2.5 Ignition Transformer 97
6.2.6 Main Gas Valve 98
6.2.7 Condensate Trap 98
6.2.8 Circulation Pump 99
6.2.9 Flow Sensor 99
6.2.10 3-way Valve 100
6.2.11 Water Pressure Sensor 100
6.2.12 DHW Heat exchanger 101
7. Components Diagram and Part List 102
7.1 Case Assembly 102
7.2 Burner Assembly 103
7.3 Waterway Assembly 104
8. Inspection and Maintenance Schedule 105
8.1 Annual Servicing 105
8.2 Maintenance Report 105
8.3 Maintenance Schedules 105
8.4 Inspection Report 105
8.5 Routine Servicing 106
8.5.1 Interim Service 106
8.5.2 Full Service 108
8.5.3 CO and Combustion Checks 111