List of contents
2
FA ROTEX A1 BGe - 02/2014
1
Guarantee and conformity . . . . . . . . . . . . . 4
1.1
Warranty conditions . . . . . . . . . . . . . . . . . . . . . . 4
1.2
Declaration of conformity . . . . . . . . . . . . . . . . . . 4
2
Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2.1
Observing instructions . . . . . . . . . . . . . . . . . . . . 5
2.2
Warning signs and explanation of symbols . . . . 5
2.3
Avoid danger . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2.4
Proper use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2.5
Instructions for operating safety. . . . . . . . . . . . . 6
2.5.1
Before working on the heating system . . . . . . . . . .6
2.5.2
Electrical installation . . . . . . . . . . . . . . . . . . . . . . . .6
2.5.3
Installation room . . . . . . . . . . . . . . . . . . . . . . . . . . .6
2.5.4
Requirements for the heating water . . . . . . . . . . . .6
2.5.5
Heating system and sanitary connection . . . . . . . .6
2.5.6
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
2.5.7
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
2.5.8
Instructing the user/owner. . . . . . . . . . . . . . . . . . . .6
3
Product description. . . . . . . . . . . . . . . . . . . 7
3.1
Boiler design and components. . . . . . . . . . . . . . 7
3.2
Brief description . . . . . . . . . . . . . . . . . . . . . . . . . 8
4
Set-up and installation . . . . . . . . . . . . . . . . 9
4.1
Dimensions and connection dimensions . . . . . . 9
4.2
Different set-ups. . . . . . . . . . . . . . . . . . . . . . . . 11
4.2.1
Operation independent of ambient air. . . . . . . . . .12
4.2.2
Operation partially independent of ambient air . . .12
4.2.3
Ambient air dependent operation . . . . . . . . . . . . .13
4.3
Transport and delivery . . . . . . . . . . . . . . . . . . . 13
4.4
Installing the condensing boiler . . . . . . . . . . . . 13
4.4.1
Selecting the installation site . . . . . . . . . . . . . . . .13
4.4.2
Setting up the unit . . . . . . . . . . . . . . . . . . . . . . . . .14
4.5
Air/flue system (LAS) . . . . . . . . . . . . . . . . . . . . 14
4.5.1
General instructions for flue system . . . . . . . . . . .14
4.5.2
Connecting the flue gas line to the ROTEX A1 . . .15
4.5.3
Flue gas system kits . . . . . . . . . . . . . . . . . . . . . . .16
4.6
Water connection . . . . . . . . . . . . . . . . . . . . . . . 17
4.7
Connect the condensate drain . . . . . . . . . . . . . 18
4.8
Establish connection and electrical equipment 18
4.8.1
Instructions concerning electrical connection . . . .18
4.8.2
Establishing the electrical connection . . . . . . . . . .18
4.8.3
Connecting the temperature sensor . . . . . . . . . . .19
4.8.4
Connect the additional electrical components. . . .20
4.9
Connect the gas line, check the burner
setting for gas type. . . . . . . . . . . . . . . . . . . . . . 20
4.9.1
Important instructions for gas connection . . . . . . .20
4.9.2
Connecting the gas line. . . . . . . . . . . . . . . . . . . . .20
4.9.3
Checking burner pre-setting . . . . . . . . . . . . . . . . .20
4.10 Filling the heating system . . . . . . . . . . . . . . . . 21
5
Start-up . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
5.1
Initial start-up . . . . . . . . . . . . . . . . . . . . . . . . . . 22
5.2
Checklists for start-up . . . . . . . . . . . . . . . . . . . 23
6
Control unit . . . . . . . . . . . . . . . . . . . . . . . . 24
6.1
Operating elements on the boiler control
panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
6.2
Replacing the operating section RoCon B1 . . . 25
6.3
Changing the boiler control panel . . . . . . . . . . 25
6.4
Changing cables . . . . . . . . . . . . . . . . . . . . . . . 26
6.5
Changing the sensors . . . . . . . . . . . . . . . . . . . 27
6.5.1
Changing flow / return flow temperature sensor . .27
6.5.2
Changing the flue gas temperature sensor . . . . . 28
6.5.3
Changing the storage tank temperature sensor . 28
6.6
Replacing the fuse or control panel circuit
board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
6.7
Wiring diagram . . . . . . . . . . . . . . . . . . . . . . . . 29
7
Gas burner . . . . . . . . . . . . . . . . . . . . . . . . . .31
7.1
Design and brief description . . . . . . . . . . . . . . 31
7.1.1
Automatic firing CM124-R1 . . . . . . . . . . . . . . . . . 32
7.1.2
Automatic firing connections . . . . . . . . . . . . . . . . 32
7.2
Safety function . . . . . . . . . . . . . . . . . . . . . . . . 33
7.3
Burner setting . . . . . . . . . . . . . . . . . . . . . . . . . 33
7.3.1
Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
7.3.2
Checking and setting the burner . . . . . . . . . . . . . 35
7.3.3
Carrying out the basic setting on the burner. . . . 35
7.3.4
Resetting the gas type. . . . . . . . . . . . . . . . . . . . . 36
7.3.5
Adjusting the output limits and the starting
output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
7.3.6
Setting the gas pressure controller . . . . . . . . . . . 38
7.3.7
Setting ignition and Ionisation electrodes . . . . . . 39
7.4
Removing/fitting the burner . . . . . . . . . . . . . . . 40
7.4.1
Burner dismantling . . . . . . . . . . . . . . . . . . . . . . . 40
7.4.2
Burner installation . . . . . . . . . . . . . . . . . . . . . . . . 40
8
Hydraulic connection . . . . . . . . . . . . . . . . .41
8.1
Connection accessories . . . . . . . . . . . . . . . . . 41
8.1.1
Safety group SBG A1 . . . . . . . . . . . . . . . . . . . . . 41
8.1.2
Connection kit A1 . . . . . . . . . . . . . . . . . . . . . . . . 41
8.2
Hydraulic system connection . . . . . . . . . . . . . 43
9
Service and maintenance . . . . . . . . . . . . . .44
9.1
General overview of service and maintenance 44
9.2
Service and maintenance tasks . . . . . . . . . . . 44
9.2.1
Removing panelling (and cleaning it) . . . . . . . . . 44
9.2.2
Checking the connections and pipes. . . . . . . . . . 45
9.2.3
Checking and cleaning the condensate drain. . . 45
9.2.4
Checking the flue gas temperature . . . . . . . . . . . 47
9.2.5
Checking and cleaning the combustion chamber 47
9.2.6
Checking the burner . . . . . . . . . . . . . . . . . . . . . . 49
10 Faults and malfunctions . . . . . . . . . . . . . . .50
10.1 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . 50
10.2 Overview of possible malfunctions . . . . . . . . . 50
10.3 Fault codes . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
10.4 Rectifying burner faults and STB faults. . . . . . 53
10.5 Emergency operation . . . . . . . . . . . . . . . . . . . 53
11 Taking out of service. . . . . . . . . . . . . . . . . .54
11.1 Temporary shutdown . . . . . . . . . . . . . . . . . . . 54
11.2 Final shutdown and disposal. . . . . . . . . . . . . . 54
12 Technical data . . . . . . . . . . . . . . . . . . . . . . .55
12.1 Basic data condensing boiler . . . . . . . . . . . . . 55
12.2 Heating circulation pump and 3-way diverter
valve (A1 - all types) . . . . . . . . . . . . . . . . . . . . 56
12.3 Gas type, connection pressures . . . . . . . . . . . 56
12.4 Performance diagrams . . . . . . . . . . . . . . . . . . 57
12.5 Flow rate and residual feed height . . . . . . . . . 57
12.6 Temperature sensor . . . . . . . . . . . . . . . . . . . . 58
12.7 Tightening torque . . . . . . . . . . . . . . . . . . . . . . 58
13 List of keywords . . . . . . . . . . . . . . . . . . . . .59
