Installation guide

1
Bear 20 (30, 40, 50) KLZ
The boiler’s Serial no. is shown on the plate which is attached to the rear side of the control
panel. The control panel is accessible after removing the front cover.
In the section “Operating Instructions” you will fi nd description of the boiler’s main functions
and guidelines on how to handle the boiler safely. The section “Installation Instructions”
is for skilled workers only.
Obsah
Table of contents
Introduction ........................................... 2
OPERATING INSTRUCTIONS
Controls and signals ............................. 4
Selecting Read mode ........................... 5
Selecting Setup mode .......................... 5
Schematic diagram of boiler control ..... 7
Error codes ........................................... 8
Starting up and shutting down boiler .... 9
Boiler control ......................................... 9
Protection functions ............................. 10
Service and maintenance .................... 11
Warranty and warranty conditions ....... 12
Technical specifi cations ....................... 13
Connection dimensions ....................... 15
Schematic diagram of boiler ................ 16
INSTALLATION INSTRUCTIONS
Introduction .......................................... 17
Delivery completeness ........................ 20
Preparing for boiler installation ............ 21
Installing the boiler ............................... 23
Operating the boiler ............................. 25
Service modes ..................................... 27
Electrical connection of boiler .............. 28
Converting to different fuel .................. 29
Electrical wiring diagram..................... 31