CONTENTS
Pages
6. Maintenance (authorized personnel)
6.1 General warnings 50
6.2 Maintenance 50
6.3 Water heater inspection 50
6.4 Accessing the water heater 52
6.5 Flushing out the primary side 52
6.6 Draining the central heating and domestic hot water system 53
6.7 Maintenance operations 54
6.8 Wiring diagrams 60
6.9 D.H.W Sensor Connection 66
6.10 Troubleshooting 67
6.11 Diagnostics 68
6.12 Parts list 78
7. Warranty
7.1 Terms and Condition of Sale 79
7.2 Warranty Registration Form 81
7.3 Warranty Parts Request Form 82
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