MHS Boilers ADI LT - Default Chapter; Table of Contents

L338 11/2011
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1. INTRODUCTION _________________________________________________________________________________ 4
2. REGULATIONS _________________________________________________________________________________ 5
3. EEC APPROVALS AND CERTIFICATIONS ___________________________________________________________ 5
4. BOILER GENERAL VIEW: DESCRIPTION OF THE COMPONENTS ________________________________________ 6
5. DIMENSIONS ___________________________________________________________________________________ 8
6. TECHNICAL DATA RANGE ADI LT ________________________________________________________________ 10
6.1 Models ADI LT 105 to ADI LT 400_________________________________________________________________ 10
ADI LT 105 to ADI LT 475: modulating power from 30% _________________________________________________ 10
6.2 Models ADI LT 475 to ADI LT 950_________________________________________________________________ 11
ADI LT 475: modulating power from 30% _____________________________________________________________ 11
ADI LT 550 to ADI LT 950: modulating power from 40% _________________________________________________ 11
7. BOILER HEAT EXCHANGER _____________________________________________________________________ 12
8. POWER MODULATION AND COMBUSTION SYSTEM _________________________________________________ 13
8.1 ASSEMBLY OF GAS CONNECTION – AIR-GAS INLET _______________________________________________ 14
8.2 AIR INLET FILTER _____________________________________________________________________________ 16
9. BURNER ______________________________________________________________________________________ 16
9.1 IGNITION AND IONISATION KIT __________________________________________________________________ 16
10. CONTROL PANEL - SIEMENS __________________________________________________________________ 17
10.1 DISPLAY ____________________________________________________________________________________ 18
10.2 STANDARD OR INITIAL DISPLAY _______________________________________________________________ 18
10.3 ADJUSTMENT OF THE SET-UP BOILER FLOW TEMPERATURE ______________________________________ 18
10.4 BOILER LOCKOUT CODE ______________________________________________________________________ 19
10.5 FUNCTION BOILER MAINTENANCE _____________________________________________________________ 19
10.6 AVAILABLE PARAMETERS THAT CAN BE ADJUSTED BY THE FINAL USER ___________________________ 20
11. DATA AND INFORMATION VISUALIZED ON THE DISPLAY - SIEMENS __________________________________ 21
11.1 AVAILABLE INFORMATION ____________________________________________________________________ 21
11.1.2 Available readings at Maintenance level 1 _______________________________________________________ 21
11.1.3 Available readings at Maintenance Level 2 ______________________________________________________ 22
11.1.4 Available readings at Maintenance Level 3 ______________________________________________________ 22
11.2 CODES OF THE BOILER OPERATION PHASES ____________________________________________________ 22
11.3 ERROR CODES VISUALIZED ON THE DISPLAY ___________________________________________________ 23
11.4 OPTIONAL: FLOW TEMPERATURE FUNCTION OF OUTSIDE TEMPERATURE __________________________ 23
11.5 VIEW OF THE BOILER CONTROL UNIT _________________________________________________________ 23
11.6 REGULATION OF SEVERAL BOILERS ___________________________________________________________ 24
11.6.1 Boilers simple sequence _____________________________________________________________________ 24
11.6.2 External control unit with signals 0…10 V to regulate the start-up and modulation of each boiler. ________ 24
11.6.3 External control unit regulating and optimizing all the boilers’combined operation. ____________________ 25
11.6.4. Remote Control or telecomputing ________________________________________ Error! Bookmark not defined.
12. ELECTRIC DRAWINGS _________________________________________________________________________ 28
12.1 ELECTRIC DRAWING ADI LT 105 - ADI LT 200 __________________________________________________ 29
12.2 ELECTRIC DRAWING ADI LT 250 - ADI LT 325 ___________________________________________________ 30
12.3 ELECTRIC DRAWING ADI LT 400 - ADI LT 750 __________________________________________________ 31