2
FA ROTEX GW - 09/2012
Table of contents
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 Intended use . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2.5 Fundamental instructions for operational safety 6
2.5.1 Before working on the heating system . . . . . . . . . .6
2.5.2 Electrical installation . . . . . . . . . . . . . . . . . . . . . . . .6
2.5.3 Equipment 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 Structure and constituents of the GW . . . . . . . . 7
3.2 Brief description . . . . . . . . . . . . . . . . . . . . . . . . . 8
4 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . 9
4.1 Dimensions and connection dimensions . . . . . . 9
4.2 Different set-ups. . . . . . . . . . . . . . . . . . . . . . . . 10
4.2.1 Operation independent of ambient air. . . . . . . . . .11
4.2.2 Operation partially independent of ambient air . . .12
4.2.3 Ambient air dependent operation . . . . . . . . . . . . .12
4.3 Transport and delivery . . . . . . . . . . . . . . . . . . . 12
4.4 Wall mounting ROTEX GW . . . . . . . . . . . . . . . 12
4.4.1 Selecting the installation location . . . . . . . . . . . . .12
4.4.2 Wall mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
4.5 Air/flue system (LAS) . . . . . . . . . . . . . . . . . . . . 14
4.5.1 General instructions for flue system . . . . . . . . . . .14
4.5.2 Connect flue gas line to the ROTEX GW . . . . . . .15
4.5.3 Flue system kits . . . . . . . . . . . . . . . . . . . . . . . . . .16
4.6 Hydraulic connection . . . . . . . . . . . . . . . . . . . . 17
4.6.1 Instructions for water connection . . . . . . . . . . . . .17
4.6.2 Water connection for heating and hot water pipes 17
4.6.3 Connecting the drain hoses . . . . . . . . . . . . . . . . .18
4.7 Electrical connection . . . . . . . . . . . . . . . . . . . . 18
4.8 Temperature sensors and other sensors . . . . . 19
4.8.1 General instructions for the temperature sensors .19
4.8.2 Other sensors . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
4.8.3 Connect the outside temperature sensor
(accessories). . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
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 Access to the inside of the unit . . . . . . . . . . . . . . .20
4.9.4 Checking burner pre-setting . . . . . . . . . . . . . . . . .21
4.10 Optional connections . . . . . . . . . . . . . . . . . . . . 21
4.10.1 External temperature sensor. . . . . . . . . . . . . . . . .21
4.10.2 Room station. . . . . . . . . . . . . . . . . . . . . . . . . . . . .21
5 Start-up. . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
5.1 Initial start-up. . . . . . . . . . . . . . . . . . . . . . . . . . 22
5.1.1 Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
5.1.2 Filling the condensate siphon . . . . . . . . . . . . . . . 22
5.1.3 Checks before initial start-up. . . . . . . . . . . . . . . . 22
5.1.4 Filling the system and bleeding . . . . . . . . . . . . . . 22
5.1.5 Checks during start-up . . . . . . . . . . . . . . . . . . . . 24
5.1.6 Setting parameters . . . . . . . . . . . . . . . . . . . . . . . 24
5.1.7 Checklists for start-up . . . . . . . . . . . . . . . . . . . . . 24
5.2 Re-commissioning. . . . . . . . . . . . . . . . . . . . . . 24
6 Operation . . . . . . . . . . . . . . . . . . . . . . . . . . .25
6.1 Display and operating elements of
the controller . . . . . . . . . . . . . . . . . . . . . . . . . . 25
6.2 Structure of display . . . . . . . . . . . . . . . . . . . . . 26
6.3 Basic display . . . . . . . . . . . . . . . . . . . . . . . . . . 26
6.3.1 Operating data display (INFO values) . . . . . . . . . 26
6.4 Operating modes. . . . . . . . . . . . . . . . . . . . . . . 27
6.4.1 Operating mode room heating. . . . . . . . . . . . . . . 27
6.4.2 Operating mode hot water, summer mode . . . . . 27
6.4.3 Operating mode Standby . . . . . . . . . . . . . . . . . . 28
6.5 Individual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
6.5.1 Setting parameters . . . . . . . . . . . . . . . . . . . . . . . 28
6.5.2 End-user level (E1) . . . . . . . . . . . . . . . . . . . . . . . 29
6.5.3 Heating technician level (E2). . . . . . . . . . . . . . . . 29
6.5.4 Parameter list . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
6.6 Reset. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
6.6.1 Reset to factory settings as end-user . . . . . . . . . 31
6.6.2 Reset to factory settings as heating technician . . 31
6.7 Special functions (heating technician). . . . . . . 32
6.7.1 Special function emission measurement. . . . . . . 32
7 Gas burner . . . . . . . . . . . . . . . . . . . . . . . . . .33
7.1 Structure and brief description . . . . . . . . . . . . 33
7.2 Unlocking in the event of fault shutdown. . . . . 33
7.3 Burner setting . . . . . . . . . . . . . . . . . . . . . . . . . 34
7.3.1 Setting values . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
7.3.2 Checking and setting the burner . . . . . . . . . . . . . 34
7.3.3 Carrying out the basic setting on the burner. . . . 35
7.3.4 Changing the type of gas to natural gas
LL/L or liquid petroleum gas . . . . . . . . . . . . . . . . 35
7.3.5 Adjusting the output limits and the starting output 36
7.3.6 Setting the gas pressure controller . . . . . . . . . . . 37
7.3.7 Setting ignition and Ionisation electrodes . . . . . . 37
7.4 Dismantling the burner . . . . . . . . . . . . . . . . . . 37
8 Hydraulic connection . . . . . . . . . . . . . . . . .39
8.1 Important information on the hydraulic
connection. . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
8.2 Equipment information . . . . . . . . . . . . . . . . . . 39
8.3 Hydraulic system connection . . . . . . . . . . . . . 39
8.3.1 Short names in the connection schemes . . . . . . 39
8.3.2 Connection schematic ROTEX GW . . . . . . . . . . 39
9 Inspection and maintenance . . . . . . . . . . .40
9.1 General overview of service and maintenance 40
9.2 Service and maintenance tasks . . . . . . . . . . . 40
9.2.1 Checking the connections and pipes. . . . . . . . . . 40
9.2.2 Checking and cleaning the condensate drain. . . 40
9.2.3 Checking and cleaning the burner. . . . . . . . . . . . 41