DORCHESTER DR-SA 16, Installation, Commissioning And Servicing Instructions, Page: 3 / 18

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CONTENTS PAGE
1. GENERAL 4
1.1 Description .............................................................................................................................................................4
1.1.1 Delivery ..................................................................................................................................................................4
1.1.2 Options ...................................................................................................................................................................4
1.2 Technical description ..............................................................................................................................................6
1.2.1 Gas control valve ...................................................................................................................................................6
1.2.2 Control panel ..........................................................................................................................................................6
1.2.3 Operation of the water heater ................................................................................................................................6
1.2.4 Combustion products discharge safety device.......................................................................................................7
1.3 Technical information .............................................................................................................................................7
1.3.1 Dimensions ............................................................................................................................................................7
1.3.2 Technical data ........................................................................................................................................................8
2. FOR THE INSTALLER 9
2.1 Installation ..............................................................................................................................................................9
2.1.1 Regulations and Related Documents.....................................................................................................................9
2.1.2 Water circulation system ......................................................................................................................................10
2.1.3 Gas connection ....................................................................................................................................................12
2.1.4 Draught diverter ...................................................................................................................................................12
2.1.5 Flue system ..........................................................................................................................................................12
2.1.6 Electrical connection ............................................................................................................................................12
2.2 Commissioning .....................................................................................................................................................12
2.3 Removing and replacing the control panel front cover .........................................................................................13
2.4 Setting the gas pressure ......................................................................................................................................13
2.5 Temperature regulation ........................................................................................................................................14
2.6 Converting to another type of gas ........................................................................................................................14
2.7 Maintenance.........................................................................................................................................................14
2.7.1 Sacrificial anode
...................................................................................................................................................14
2.7.2 Cleaning ...............................................................................................................................................................14
2.7.3 Inspection of the internal waterside surfaces .......................................................................................................14
2.7.4 Spare parts...........................................................................................................................................................15
2.8 Condensation .......................................................................................................................................................15
2.9 Important warning ................................................................................................................................................15
3. FOR THE USER 15
3.1 Instructions for use ...............................................................................................................................................15
3.2 Fault finding
..........................................................................................................................................................16
APPENDIX 1 ............................................................................................................................................................................17
Connection diagram Dorchester DR-SA 16 & 19 .....................................................................................................................17