CONTENTS
1
GENERAL INFORMATION ................................................................................................................................................................................. 3
1.1 Symbols used in this manual ....................................................................................................................................................................... 3
1.2 Correct use of the appliance ........................................................................................................................................................................ 3
1.3 Water treatment ............................................................................................................................................................................................. 3
1.4 Information to be handed over to the user ................................................................................................................................................... 3
1.5 Safety warnings ............................................................................................................................................................................................. 4
1.6 Data badge .................................................................................................................................................................................................... 5
1.7 General warnings .......................................................................................................................................................................................... 6
2
TECHNICAL FEATURES AND DIMENSIONS ................................................................................................................................................... 7
2.1 Technical features ......................................................................................................................................................................................... 7
2.2 Dimensions .................................................................................................................................................................................................... 8
2.3 Main components .......................................................................................................................................................................................... 9
2.4 Boiler water circuit ....................................................................................................................................................................................... 10
2.5 Performance data according to the Standard UNI 10348 ......................................................................................................................... 11
2.6 General features .......................................................................................................................................................................................... 11
3
INSTRUCTIONS FOR THE INSTALLER .......................................................................................................................................................... 12
3.1 General warnings ....................................................................................................................................................................................... 12
3.2 Standard codes for installation .................................................................................................................................................................. 13
3.3 Packaging ................................................................................................................................................................................................... 13
3.4 Boiler location ............................................................................................................................................................................................ 14
3.5 Gas connections ........................................................................................................................................................................................ 15
3.6 Central heating connections ...................................................................................................................................................................... 16
3.7 DHW connections ...................................................................................................................................................................................... 17
3.8 Condensate drain outlet ............................................................................................................................................................................ 18
3.9 Flue outlet connections ............................................................................................................................................................................. 19
3.10 Electrical connections ................................................................................................................................................................................ 24
General warnings ....................................................................................................................................................................................... 24
Connection to mains supply 230V ............................................................................................................................................................ 24
Access to the terminal block and external connections .......................................................................................................................... 24
3.11 Wiring diagrams .................................................................................................................................................................................... 26-27
3.12 Filling the system ....................................................................................................................................................................................... 28
3.13 Initial lighting ............................................................................................................................................................................................. 29
3.14 Burner pressure adjustment ...................................................................................................................................................................... 30
3.15 Gas conversions ........................................................................................................................................................................................ 32
3.16 Programming the operating parameters ................................................................................................................................................... 33
3.17 Description of the heating controller’s operating menus and operating levels ....................................................................................... 35
3.18 Commissioning procedure ......................................................................................................................................................................... 36
4
MAINTENANCE AND SERVICING SCHEDULE ............................................................................................................................................. 40
5
FAULT FINDING .................................................................................................................................................................................................
43
5.1
Error codes .................................................................................................................................................................................................
43
5
.2 Servicing Request ..................................................................................................................................................................................... 44
5.3 Display of error codes on E8 heating controller ....................................................................................................................................... 44
Warning: this manual contains instructions to be used exclusively by the installer and/or a
competent person in accordance with the current laws in force.
The end user MUST not make any alterations to the boiler.
Failure to follow the instructions indicated in this manual, which is supplied with the boiler,
could cause injury to persons, animals or damage to property. UNICAL shall not be held
liable for any injury and/or damage.
Summary of Contents for Alkon Cargo 35
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