Nu-Way MGN 1350 M3D DLU, Installation & Maintenance Manual

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Contents
1 General information ................................................................................................................... 3
2 Checking scope of delivery and electrical data .......................................................................... 3
3 Maintenance and customer service ........................................................................................... 3
4 Operating instructions ................................................................................................................ 3
5 Instruction of operating personnel.............................................................................................. 3
6 Filter/Strainer .............................................................................................................................. 3
7 Key for code designation ........................................................................................................... 4
8 Technical specifications .............................................................................................................. 4
9 Boiler connection dimensions .................................................................................................... 4
10 Mounting the gas jacket on the boiler ......................................................................................... 5
11 Mounting the burner housing on the gas jacket (service position) .............................................. 5
12 Electrical connection .................................................................................................................. 5
13 Air flap positioning motor .......................................................................................................... 7
14 Air pressure switch ..................................................................................................................... 7
15 Gas pressure switch for gas inlet pressure ................................................................................. 7
16 Gas pressure switch for VPS ...................................................................................................... 7
17 Adjustment of the ignition electrodes ......................................................................................... 8
18 Flame control with Ionisation monitor.......................................................................................... 8
19 Adjustment of the burner head.................................................................................................... 8
20 Control unit MPA 22 .................................................................................................................... 9
21 MPA 22 control unit display ....................................................................................................... 9
22 Start-up ....................................................................................................................................... 9
23 Gas train KEV
II
1 ½" , KEV 2" and KEV DN65......................................................................... 10
23a Gas train KEV25 1", KEV30 1½", KEV45 2" and KEV45 DN 65............................................... 11
24 Adjustment mode - pneumatic gas-fired operation ................................................................... 12
25 Calculation principles for gas burner adjustment ..................................................................... 14
26 Adjustment tables ..................................................................................................................... 15
27 Troubleshooting / process description ...................................................................................... 16
28 Adjustments log ........................................................................................................................ 20
29 Overall dimensions .................................................................................................................. 22
30 Working ranges ......................................................................................................................... 22