Installation, use and maintenance manual – M gas unit heater
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INDEX OF CONTENTS
I Introduction ..........................................................................
p.4
I.1 Recipients ................................................................
p.4
I.2 Control device .......................................................
p.4
II Symbols and denitions .........................................
p.4
II.1 Key to symbols ......................................................
p.4
II.2 Terms and denitions .........................................
p.4
III Warnings ...................................................................................
p.4
III.1 General and safety warnings ............................
p.4
III.2 Conformity ..............................................................
p.6
III.3 Exclusions of liability and warranty ...............
p.6
1 Features and technical data ................................
p.7
1.1 Features ....................................................................
p.7
1.2 Dimensions .............................................................
p.8
1.3 Electrical wiring diagram ...................................
p.9
1.4 Controls ..................................................................
p.11
1.5 Electrical panel ....................................................
p.14
1.6 Technical data ......................................................
p.14
2 Transport and positioning ..................................
p.15
2.1 Warnings ................................................................
p.15
2.2 Handling ................................................................
p.16
2.3 Appliance positioning ......................................
p.16
2.4 Minimum clearance distances .......................
p.16
2.5 Support bracket ..................................................
p.17
3 Heating engineer...........................................................
p.18
3.1 Warnings ................................................................
p.18
3.2 Fuel gas supply ....................................................
p.18
3.3 Combustion products exhaust ......................
p.19
3.4 Air ducting ............................................................
p.22
4 Electrical installer .........................................................
p.23
4.1 Warnings ................................................................
p.23
4.2 Electrical systems ...............................................
p.23
4.3 Electrical power supply ....................................
p.23
4.4 Control system.....................................................
p.24
5 First start-up .......................................................................
p.27
5.1 Preliminary checks .............................................
p.27
5.2 Burner pressure adjustment ...........................
p.27
5.3 Gas changeover ..................................................
p.29
6 Normal operation .........................................................
p.30
6.1 Warnings ................................................................
p.30
6.2 Switch on and o ................................................
p.30
7 Maintenance .......................................................................
p.31
7.1 Warnings ................................................................
p.31
7.2 Scheduled routine maintenance ..................
p.32
7.3 Resetting the temperature limit
thermostat ............................................................
p.32
7.4 Periods of inactivity ...........................................
p.32
7.5 Troubleshooting .................................................
p.32