2
Remeha Avanta Plus
INTRODUCTION
1 SAFETY 5
1.1 General safety 5
1.2 Safety during assembly and installation 5
1.3 Safety during installation, inspection and maintenance 5
2 INSTALLATION 7
2.1 Scope of delivery 7
2.2 Mounting the boiler 7
2.2.1 Clearance requirements 7
2.2.2 Dimensions and connection points. 8
2.2.3 Mounting the Remeha Avanta Plus 10
2.3 Water-side connections 10
2.3.1 Water fl ow 10
2.3.2 Circulation pumps 11
2.3.3 Additional guidelines for the domestic and CH water 11
2.3.4 Water treatment 11
2.3.5 Safety valve discharge 12
2.3.6 Expansion vessel 13
2.3.7 Connecting DHW pipes (Combi-type only) 13
2.3.8 Connecting the ‘CH return’ 14
2.3.9 Connecting ‘CH fl ow’ 14
2.3.10 Connecting condensate drain 15
2.3.11 Connecting under fl oor heating 15
2.4 Gas-side connections 15
2.4.1 Additional guidelines for gas connections 15
2.4.2 Connecting the gas supply 16
2.5 Flue terminal and air supply connections 16
2.5.1 Flue terminal positions 16
2.5.2 Room sealed fl ue 17
2.5.3 Connecting the fl ue terminal and air supply 18
2.6 Electrical connection 19
2.6.1 The control unit 19
2.7 Connecting external controls 20
2.7.1 On/off control – room temperature (volt free switching) 22
2.7.2 Time control using an internal or external 230 V clock 23
2.7.3 Connecting a 230 V time clock in combination with a modulating room control 23
2.7.4 Modulating control – room or outside compensation 23
2.7.5 Connecting an outside temperature sensor 24
2.7.6 Connecting the DHW sensor/thermostat 25
2.7.7 Connecting a frost protection device 25
2.7.8 Connecting an external interlock 26
2.7.9 Connecting remote alarm and boiler run indication 26
2.7.10 Connecting a PC/PDA 26
2.8 Wiring diagram 27
2.9 Commissioning 27
2.9.1 Control Panel 27
2.9.2 Additional guidelines for commissioning 27
2.9.3 Putting the boiler into operation 27
2.9.4 Normal start-up procedure 33
2.9.5 Error during the start-up procedure 33
2.9.7 Adjust the boiler according to the system 35
2.9.8 Changing the parameters at service level (with access code) 35
2.9.9 Changing the maximum output (Hi) for CH operation 37
2.9.10 Restore factory settings 39