2 of 49
Contents ......................................................................... 2
General Information ......................................................................... 3
Regulations ......................................................................... 3
Conditions of warranty ......................................................................... 3
Quality of heating circuit water ......................................................................... 4
5
Technical Data .................................................. 6 - 7
Dimensions ....................................................... 8
Minimum clearances ........................................ 9
Connection Kits ................................................ 10
Access to Boiler / Case removal ....................... 11
Connections ..................................................... 12
13
Ciculation Pump ............................................... 14
Electrical Connections .................................... 15 - 16
Connection of air/flue gas pipes ....................... 17
Air/flue gas routing ........................................... 18
Flue variants and dimensioning ....................... 19
Commissioning Preparation for operation / Control Panel ......... 21 - 22
Parameter adjustment to control unit QAA73 . . 23
Flue gas Measurement and Adjustment ........... 24 - 27
Safety check of heating appliance .................... 28
Parameters ....................................................... 29
Gas Changeover ............................................... 30 - 32
Service and Maintenance Monitoring and checks ...................................... 33 - 34
Error Indication ................................................. 35 - 36
Service Access to Boiler / Cover Removal ....... 37
Dismantling burner and heat exchanger ........... 38
Service Requirments ........................................ 46
Appendix QAA 73 End User Parameters ...................... 40
QAA 73 Engineer Parameters ........................ 41
LMU 54 Engineer Parameters ........................ 42
LMU 54 Specialist Engineer Parameters ....... 43 - 44
Flue Termination Guidlines ............................... 45
Typical Hydraulic Schemes ............................... 46
Notes ......................................................................... 47
