CONTENTS
Pages
6. Maintenance (authorized personnel)
6.1 General warnings 48
6.2 Maintenance 48
6.3 Water heater inspection 48
6.4 Accessing the water heater 50
6.5 Flushing out the primary side 50
6.6 Draining the central heating and domestic hot water system 51
6.7 Maintenance operations 52
6.8 Wiring diagrams 59
6.9 D.H.W Sensor Connection 65
6.10 Troubleshooting 66
6.11 Diagnostics 67
6.12 Parts list 77
7. Warranty
7.1 Terms and Condition of Sale 79
7.2 Warranty Registration Form 81
7.3 Warranty Part Request Form 82