Baxi DUO-TEC COMPACT, Instruction Manual For Users And Fitters

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7710400 (01-06/18) 2
User & Installer
(en)
Dear Customer,
Our company is confident our new product will meet all your requirements. Buying one of our products guarantees all your
expectations: good performance combined with simple and rational use.
Please do not put this booklet away without reading it first: it contains useful information for the correct and efficient use of your
product.
Our company, constantly striving to improve the products, reserves the right to modify the details given in this documentation
at any time and without notice. These Instructions are only meant to provide consumers with use information and under no
circumstance should they be construed as a contract with a third party.
The appliance can be used by children aged 8 or over and by people with reduced
physical, sensory or mental faculties, or who do not have the required experience
or knowledge, provided they are supervised or have received instructions on using
the appliance safely and understanding its intrinsic hazards. Children must not play
with the appliance. The cleaning and maintenance operations reserved to the user
must not be performed by unsupervised children.
CONTENT
DESCRIPTION OF SYMBOLS ..................................................................................................................................................................... 3
SAFETY WARNINGS .................................................................................................................................................................................... 3
GENERAL PRECAUTIONS ......................................................................................................................................................................... 4
ENERGY-SAVING TIPS ................................................................................................................................................................................ 4
1. COMMISSIONING THE BOILER .................................................................................................................................................................. 5
1.1 ADJUSTING THE CH AND DHW FLOW TEMPERATURE .......................................................................................................................... 5
1.2 OPERATING MODES ................................................................................................................................................................................... 5
2. PROLONGED SHUTDOWN. ANTI-FREEZE PROTECTION ....................................................................................................................... 6
3. GAS CONVERSION ..................................................................................................................................................................................... 6
4. FAULTS ......................................................................................................................................................................................................... 6
5. BOILER INFORMATION MENU ................................................................................................................................................................... 7
6. SWITCHING OFF THE BOILER ................................................................................................................................................................... 7
7. FILLING THE SYSTEM ................................................................................................................................................................................. 7
8. ROUTINE MAINTENANCE INSTRUCTIONS ............................................................................................................................................... 7
INSTRUCTIONS PRIOR TO INSTALLATION ............................................................................................................................................... 8
9. INSTALLING THE BOILER ........................................................................................................................................................................... 8
9.1 BOILER DIMENSIONS AND GAS WATER CONNECTIONS ....................................................................................................................... 8
10. INSTALLING THE FLUE ............................................................................................................................................................................... 9
10.1 CONCENTRIC DUCTS ................................................................................................................................................................................. 9
10.2 SEPARATE DUCTS ...................................................................................................................................................................................... 9
11. ELECTRICAL CONNECTIONS ..................................................................................................................................................................... 10
11.1 CONNECTING THE ROOM THERMOSTAT ................................................................................................................................................. 10
11.2 ACCESSORIES NOT INCLUDED IN THE SUPPLY ..................................................................................................................................... 11
11.2.3 CONNECTING TO A ZONE SYSTEM .......................................................................................................................................................... 11
12. SPECIAL FUNCTIONS .................................................................................................................................................................................12
12.1 INITIAL IGNITION .........................................................................................................................................................................................12
12.2 SYSTEM GAS EXTRACTION FUNCTION ...................................................................................................................................................12
12.3 CHIMNEY SWEEPER ...................................................................................................................................................................................12
12.4 COMBUSTION TEST (CO
2
%) ....................................................................................................................................................................... 13
COMBUSTION ADJUSTMENT FUNCTION (CO
2
%) .................................................................................................................................... 13
13. GAS VALVE ................................................................................................................................................................................................... 13
13.1 GAS CONVERSION METHODS .................................................................................................................................................................. 13
14. PARAMETERS SETTING ............................................................................................................................................................................. 14
14.1 ADJUSTING MAXIMUM HEATING POWER ................................................................................................................................................ 15
15. TROUBLESHOOTING SERVICE FAULTS ................................................................................................................................................... 16
16. ADJUSTMENT AND SAFETY DEVICES ...................................................................................................................................................... 18
17. PUMP CAPACITY/ HEAD ............................................................................................................................................................................. 18
18. POSITIONING THE ELECTRODES ............................................................................................................................................................. 18
19. ANNUAL SERVICING ................................................................................................................................................................................... 19
19.1 HYDRAULIC UNIT ........................................................................................................................................................................................ 19
19.2 CLEANING THE FILTERS ............................................................................................................................................................................ 19
19.3 DISMOUNTING THE WATER-WATER HEAT EXCHANGER ....................................................................................................................... 19
19.4 REPLACEMENT OF PARTS .........................................................................................................................................................................20
AUTOMATIC CALIBRATION FUNCTION .....................................................................................................................................................20
20. TECHNICAL SPECIFICATIONS ...................................................................................................................................................................21