flamco logoEco A2RXE, Technical Information For Installation And Operation

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3 2
1. Operation 4
1.1 Space heating (SH) 4
1.2 Domestic hot water (DHW) 4
1.3 Priority switching 4
2. General Plumbing Requirements 5
2.1 British and Irish standards 5
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2.3 District heating 6
2.4 Space heating 6
2.5 Domestic water 7
2.6 Servicing 7
3. General Wiring Requirements 8
3.1 Danger of short circuit 8
4. Application 9
4.1 Status indicator LED 9
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5.1 Facts And Figures 11
6. Installation 12
7. Service 15
7.1 Filling the space heating system 15
7.2 Air venting the HIU 15
7.3 Room thermostat 17
7.4 Power supply 18
7.5 Commissioning 19
7.6 Removing and securing the case 20
7.7 Grundfos Pump 21
7.8 Performance view
view
21
7.9 Hot Water Circulation 22
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7.11 Heat Meter 24
7.12 Troubleshoot (technician) 25
8. Appendix A 27
Appendix B 31
Appendix C 32
Contents Symbols and abbreviations
Symbols
Abbreviations
CAUTION, general safety remark
CAUTION, risk of shock
CAUTION, hot surfaces, risk of burns
CAUTION, hot water, risk of burns
Important note
Requirement of 230 Volt Alternating Current
Dispose component
Recycle component if possible
Wrench, manual tool
Drill, power tool
Manual operation, no tools needed
Philips Screwdriver
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DH District heating
SH Space Heating
DHW Domestic Hot Water
DCW Domestic Cold Water
VAC Volts Alternating Current
VDC Volts Direct Current
A Current in Ampere
N 230VAC Neutral
L 230VAC Live (phase)
PE Protective Earth
ºC Temperature in degrees
Celsius
kPa Pressure KiloPascal
kg Weight in Kilograms
mm Distance in millimetres
PN Pressure class in Bar
“ Thread size in inch (ISO
228/1)
HIU Heat Interface Unit
ABV Automatic Bypass Valve
230 V
insulated