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INSTALLATION GUIDE + PRE-COMMISSIONING CHECKLIST

F2040 6/8/12KW + VVM320

NB. This reference guide is supplementary to the NIBE installation manual and is not intended to replace it.

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Summary of Contents for VVM 320

Page 1: ...INSTALLATION GUIDE PRE COMMISSIONING CHECKLIST F2040 6 8 12KW VVM320 NB This reference guide is supplementary to the NIBE installation manual and is not intended to replace it ...

Page 2: ...space around unit for to ensure good air circulation Distances specified are minimum not a target Avoid installation adjacent to sensitive areas e g bedrooms noise levels are lower than most oil or gas boilers 300mm clearance below unit is specified by NIBE due to frequent snowfalls in Sweden UNIPIPE Ireland leave the minimum clearance to the discretion of the plumber however if left below 300mm a...

Page 3: ...VM320 indoor unit Leave sufficient space in front of the unit for servicing as per the manual Leave minimum 25mm behind unit for pipes cables Use adjustable feet to level the unit Leave access to filters valves for servicing ...

Page 4: ...n the flow pipe top connection Flexis pipework must be insulated and weatherproofed with a UV stable product Exposed pipework must be kept to a minimum Pipework routed below ground must be low heat loss and kept to the minimum possible length Condensation will be produced by and drip from below the unit This must be safely routed to a drain soakaway avoiding ingress on walkways ...

Page 5: ...Page 5 Mechanical Connection of VVM320 Pipe connections 22mm Strainer Valve Tundish at rear of unit Secondary return connection inside unit 15mm ...

Page 6: ...al heat exchanger The direction of flow is indicated on the valve body and must be adhered to It should be installed to allow easy re moval of the centre nut for cleaning purposes This should be cleaned after the initial operation The Tundish may release water under certain conditions and must be piped to a drain or soakaway A resealable trap is recommended to prevent sewer smells if applicable A ...

Page 7: ...Page 7 ...

Page 8: ...not a cooker switch The rotary isolator must be supplied by 6 or 10 Square cable back to the Fuse board dependent on distance and sized by the electrician The circuit breaker must be 25 Amp motor rated The communication comms cable must be screened cat5 or equivalent It must also be separated from power supply runs and the foil screen grounded on one end only ...

Page 9: ...Page 9 Electrical Connection of VVM320 VVM320 Communication board AA3 Additional relay ...

Page 10: ...dditional relay is a volt free contact used to power the external pump The power supply for the pump is sourced externally with the live cable routed through the additional relay X7 allowing control by the VVM320 The outdoor sensor must be positioned on a north north west facing surface to avoid direct sunlight interference Ideally located under a soffit for water protection Kept at a serviceable ...

Page 11: ...pework Pressurise the system to the required cold fill pressure typically 1 1 5 bar The hot water cylinder must be filled prior to turn on The cylinder is filled via the cold water supply as any standard cylinder Ensure under floor heating radiators are filled and vented correctly There should be no gurgling sounds from the system Coil vent NB The Outdoor Unit Must be powered up a minimum of 6 hou...

Page 12: ...nnect the VVM to the router with Cat5e UTP straight with male to male RJ45 connectors A planet earth symbol will appear on the main menu screen if the connection is ok Follow the connection instructions on www nibeuplink com ...

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