Table Of Contents - REMEHA Avanta 24c Installation And Service Manual

Contents
CONTENTS
INTRODUCTION
1 SAFETY
1.1 General safety
1.2 Safety during assembly and installation
1.3 Safety during installation, inspection and maintenance
2 INSTALLATION
2.1 Scope of delivery
2.2 Mounting the boiler
2.2.1 Clearance requirements
2.2.2 Dimensions and connection points.
2.2.3 Mounting the Remeha Avanta Plus
2.3 Water-side connections
2.3.1 Water flow
2.3.2 Circulation pumps
2.3.3 A dditional guidelines for the domestic and CH water
2.3.4 Water treatment
2.3.5 Safety valve discharge
2.3.6 Pressure switch
2.3.7 Expansion vessel
2.3.8 Connecting DHW pipes
2.3.9 Connecting the 'CH return'
2.3.10 Connecting 'CH flow'
2.3.11 Connecting condensate drain
2.3.12 Connecting under floor heating
2.4 Gas-side connections
2.4.1 Additional guidelines for gas connections
2.4.2 Adjusting boiler to other gas-type
2.4.3 Connecting the gas supply
2.5 Flue terminal and air supply connections
2.5.1 Flue terminal positions
2.5.2 Room sealed flue
2.5.3 Connecting the flue terminal and air supply
2.6 Electrical connection
2.6.1 The control unit
2.7 Connecting external controls
2.7.1 O n/off control - room temperature (volt free switching)
2.7.2 Time control using an internal or external 230 V clock
2.7.3 C onnecting a 230 V time clock in combination with a modulating room control
2.7.4 Modulating control - room or outside compensation
2.7.5 Connecting an outside temperature sensor
2.7.6 Connecting the DHW sensor/thermostat
2.7.7 Connecting a frost thermostat
2.7.8 Connecting an external interlock
2.7.9 Connecting remote alarm, boiler run indication and external pump relay
2.7.10 Connecting a PC/PDA
2
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 demon-
strate 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 promote the Scheme.
Visit www.centralheating.co.uk for more information.
Remeha Avanta Plus
4
5
5
5
5
7
7
7
7
8
10
10
10
11
11
11
12
13
13
13
14
14
15
15
15
15
16
16
16
16
17
18
19
19
20
22
22
23
23
24
25
25
26
26
26
127768-271011