Dražice OKC 250 NTR - Default Chapter; Table of Contents

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CONTENTS

1 PRODUCT TECHNICAL SPECIFICATION ....................................................................................................... 4

1.1 FUNCTION DESCRIPTION ................................................................................................................... 4

1.2 ADVICE FOR CUSTOMERS .................................................................................................................. 4

1.2.1 HOT WATER CONSUMPTION ..................................................................................................... 4

1.2.2 ENERGY SAVING ......................................................................................................................... 4

1.2.3 EMERGENCY POWER CONSUMPTION ....................................................................................... 5

1.3 DESIGN AND GENERAL HEATER DIMENSIONS ................................................................................... 6

2 OPERATION AND FITTING INSTRUCTIONS ............................................................................................... 17

2.1 OPERATING CONDITIONS ................................................................................................................ 17

2.2 WALL MOUNTING ............................................................................................................................ 17

2.3 PLUMBING FIXTURE ......................................................................................................................... 18

2.4 ELECTRICAL INSTALLATION .............................................................................................................. 21

2.4.1 GENERAL INFORMATION for ELECTRICAL INSTALLATION ....................................................... 21

2.4.2 ELECTRONIC THERMOSTAT WIRING METHODS ...................................................................... 21

2.5 CONNECTION OF INDIRECT TANK TO HOT WATER SYSTEM ............................................................ 22

2.6 FIRST COMMISSIONING ................................................................................................................... 22

2.7 PUTTING OUT OF SERVICE, DISCHARGE .......................................................................................... 23

2.8 INSPECTION, MAINTENANCE & CARE FOR THE APPLIANCE ............................................................ 24

2.9 MOST FREQUENT FUNCTION FAILURES AND THEIR CAUSES .......................................................... 25

OPERATION OF THEROMSTAT ................................................................................................................. 25

3.1 SERVICING ........................................................................................................................................ 25

3.1.1 OPERATING DEVICES OF THE TANK ......................................................................................... 25

3.1.2 TEMPERATURE SETTING .......................................................................................................... 27

4 IMPORTANT NOTICES .............................................................................................................................. 28

4.1 INSTALLATION REGULATIONS.......................................................................................................... 28

4.2 SPARE PARTS.................................................................................................................................... 28

4.3 DISPOSAL OF PACKAGING MATERIAL AND NON-FUNCTIONING APPLIANCE ................................. 28