Immergas INOXSTOR 200, Installation, Usage And Maintenance Instructions

Page 1: ...Immergas Inoxstor pre plumbed water heater Installation Usage and Maintenance Instructions Original Instructions 20190917 For use with Immergas Audax Heat Pumps ...

Page 2: ...level termination of discharge 7 4 Electrical Installation 8 4 1 System Wiring 8 4 2 Audax control wiring 9 4 3 Thermostat Wiring 10 4 3 1 Control using 230V mechanical thermostats 10 4 3 2 Control using 230V digital or digital programmable thermostats 10 4 3 3 Control using 230V programmers 11 5 Anti Legionella Timer 11 6 Commissioning 12 7 Filling Flushing and Maintenance 12 7 1 Checking the exp...

Page 3: ... or property damage In the case of failure or malfunction of the appliance do not attempt to repair it yourself Please contact RVR Energy Technology by email at info rvr ie Repairs must only be carried out by qualified technicians Failure to comply with these requirements can compromise the safety of the device High temperatures and Pressure Failure to fit essential safety devices will invalidate ...

Page 4: ...0 Safety Valve to Drain Hot Water Outlet Recirculation All other connections DN15 DN20 22mm 2 2 CONNECTIONS AND COMPONENTS 1 Audax Flow 2 Audax Return 3 Zone 1 Flow 4 Zone 2 Flow 5 Zone 1 Return 6 Zone 1 Return 7 Cold Water In 8 Cold Water Take Off 9 Safety Valve 10 Expansion Vessel 11 Hot Water Out 12 HW Recirculation 3 4 2 1 5 6 10 7 8 11 12 Audax Flow Safety Group Audax Return 3 Way Valve Zone ...

Page 5: ...d valves Refer to sections 2 1 and 2 2 to determine a suitable position for the heater Allow sufficient clearance for access and service Ensure the location allows the Immersion to be removed if required Refer to sections 3 3 and 3 4 to determine which valves and accessories are required Plumb the valves as shown in the rele vant diagrams An isolating valve must be fitted on the cold water supply ...

Page 6: ...Valve The cold water supply pressure must not exceed 3 5 bar The safety group contains a PRV to reduce pressure below this level DO NOT remove the safety group Expansion vessel Expansion must be accommodated using an Expansion Vessel The Expansion vessel must be sized to accommodate the maximum expansion of the system and should be suitable for use with potable water The size of the expansion vess...

Page 7: ...k directly from the tundish Note Where children may play or otherwise come into contact with discharges a wire cage or similar guard must be positioned to prevent contact whilst maintaining visibility Where a single pipe serves a number of discharges such as in blocks of flats the number served should be limited to not more than 6 systems so that any tundish installation can be traced easily If a ...

Page 8: ...e Inoxstor is via the Audax Interface Board To access this carefully remove the cover of the electrical box on the front of the Inoxstor Disconnect the electrical supply prior to removing this cover The Inoxstor requires a 230V 50Hz single phase supply with neutral and earth Connect this to the L N and E terminals on the Inoxstor s Audax Interface Board This must be a permanent supply via a dedica...

Page 9: ...ersion Connect the Audax interface board on the Inoxstor to the Audax using three no cables 2 no 4x0 75mm2 minimum screened 1 no 1x0 75mm2 minimum Connect these cables as shown in the diagram below Important It is necessary to connect terminals no 5 and no 13 on the Audax together If these are not connected the heat pump will run in cooling mode Core Audax Control Board Terminal Audax Terminal Cab...

Page 10: ...W pin 4 3 2 CONTROL USING 230V DIGITAL OR DIGITAL PROGRAMMABLE THERMOSTATS Where the external device requires 230V to operate provide Live Neutral and Earth from either TH1 or TH2 The live should be looped through the switched contact back to the SW pin on the TH1 or TH2 terminal Terminal Pin Use TH1 L To switch Mechanical Thermostat for Zone 1 TH1 N Not used TH1 E Not used TH1 SW From switch Mech...

Page 11: ...d and should be tested to ensure excessive temperatures do not reach the taps and showers Do not reduce the heating period of the anti legionella timer below 4 hours To set the interval rotate the small grey screw C The time shown in the indicator window will rotate between 10s 1m 10m 1h 10h 1d and 10d Select the next higher period than the interval you re quire For example for 7 days choose 10d T...

Page 12: ...at for TH2 Annual maintenance of the system should be carried out See section 7 5 7 FILLING FLUSHING AND MAINTENANCE WARNING DO NOT disconnect power to the Audax in cold weather in order to prevent frost damage Do not turn off power to the audax or disable circulation for longer than is necessary to carry out maintenance If it is necessary to turn off power to the audax for longer periods drain do...

Page 13: ...ocedure for the Temperature Relief Valve if installed Note The water discharged may be very hot 7 4 FILLING THE AUDAX AND CENTRAL HEATING SYSTEM Follow the Immergas Audax Instructions Installation of the Unit section Ensure that water quality guidelines are fol lowed 7 5 ANNUAL MAINTENANCE The Inoxstor should be inspected and serviced annually As a minimum check operation of both pressure relief v...

Page 14: ...ing properly Replace Safety Group if nec essary Discharge of water from Pressure Relief Valve intermittently Inadequate expansion in system Check expansion vessel size and pre charge pressure Water supply pressure exceeds 3 5 bar Check Pressure Reducing Valve is operational Replace Safety Group if necessary Water or steam from Pressure Relief Valve Thermostat fault Check operation of high limit th...

Page 15: ...Ltd Audax 2 Zone Interface Board WURC0029 Inoxstor 200 Immergas Audax 6 at 55 deg A A A A B C D E F G A A A A B C D E F G XXL XXL A A A A 2015 811 2013 RVR Energy Technology Ltd Audax 2 Zone Interface Board NLOC5374 Inoxstor 200 Audax 8 35 degree system A A A A B C D E F G A A A A B C D E F G XXL XXL A A A A 2015 811 2013 RVR Energy Technology Ltd Audax 2 Zone Interface Board KASC9591 Inoxstor 200...

Page 16: ...11 DECLARATION OF CONFORMITY ...

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Page 18: ...Contact us RVR Energy Technology Limited Kenmare Co Kerry V93 F386 Ireland Sales direct line 353 0 64 6689522 Email sales rvr ie ...