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CONTENTS
1 PRODUCT TECHNICAL SPECIFICATION ....................................................................................................... 4
1.1 FUNCTION DESCRIPTION ................................................................................................................... 4
1.1.1 OPERATING ACTIVITY................................................................................................................. 4
1.2 ADVICE FOR CUSTOMERS .................................................................................................................. 5
1.2.1 HOT WATER CONSUMPTION ..................................................................................................... 5
1.2.2 ENERGY SAVING ......................................................................................................................... 5
1.2.3 EMERGENCY POWER CONSUMPTION ....................................................................................... 5
1.3 DESIGN AND GENERAL HEATER DIMENSIONS ................................................................................... 6
2 OPERATION AND FITTING INSTRUCTIONS ............................................................................................... 10
2.1 OPERATING CONDITIONS ................................................................................................................ 10
2.2 WALL MOUNTING ............................................................................................................................ 10
2.3 PLUMBING FIXTURE ......................................................................................................................... 11
2.4 ELECTRICAL INSTALLATION .............................................................................................................. 13
2.4.1 GENERAL INFORMATION FOR ELECTRICAL INSTALLATION ..................................................... 13
2.5 CONNECTION OF INDIRECT HEATER TO HOT WATER SYSTEM ........................................................ 13
2.6 FIRST COMMISSIONING ................................................................................................................... 15
2.7 PUTTING OUT OF SERVICE, DISCHARGE .......................................................................................... 15
2.8 INSPECTION, MAINTENANCE & CARE FOR THE APPLIANCE ............................................................ 16
2.9 MOST FREQUENT FUNCTION FAILURES AND THEIR CAUSES .......................................................... 17
3
OPERATION OF THERMOSTAT ................................................................................................................. 18
3.1 SERVICING ........................................................................................................................................ 18
3.1.1 OPERATING DEVICES OF THE HEATER ..................................................................................... 18
3.1.2 TEMPERATURE SETTING .......................................................................................................... 19
4 IMPORTANT NOTICES .............................................................................................................................. 20
4.1 INSTALLATION REGULATIONS.......................................................................................................... 20
4.2 ACCESSORIES AND SPARE PARTS ..................................................................................................... 20
4.3 TRANSPORT & STORAGE INSTRUCTIONS ........................................................................................ 21
4.4 DISPOSAL OF PACKAGING MATERIAL AND NON-FUNCTIONING PRODUCT.................................... 21