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Remeha Avanta Plus
CONTENTS
INTRODUCTION 4
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 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 Adjusting boiler to other gas-type 16
2.4.3 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 22
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 thermostat 25
2.7.8 Connecting an external interlock 26
2.7.9 Connecting remote alarm, boiler run indication and external pump relay 26
2.7.10 Connecting a PC/PDA 26
Benchmark places responsibilities on both manufacturers and installers. The purpose is to ensure that
customers are provided with the correct equipment for their needs, that it is installed, commissioned and
serviced in accordance with the manufacturer’s instructions by competent persons and that it meets the
requirements of the appropriate Building Regulations. The Benchmark Checklist can be used to demonstrate
compliance with Building Regulations and should be provided to the customer for future reference. Installers
are required to carry out installation, commissioning and servicing work in accordance with the Benchmark
Code of Practice which is available from the Heating and Hotwater Industry Council who manage and pro-
mote the Scheme.
Visit www.centralheating.co.uk for more information.
120577.indd 2120577.indd 2 6-3-2009 14:48:446-3-2009 14:48:44
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