Mixergy M0008 Installation And Servicing Instructions Download Page 1

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Installation and servicing instructions

For stainless steel hot water cylinders

Failure to install and maintain this system in accordance with

these instructions will invalidate the manufacturer’s warranty.

Please leave with householder

Mixergy Ltd

2 Canal View

Wharf Farm

Cassington

Oxfordshire

OX29 4DB

V8 28/02/19

Summary of Contents for M0008

Page 1: ...l hot water cylinders Failure to install and maintain this system in accordance with these instructions will invalidate the manufacturer s warranty Please leave with householder Mixergy Ltd 2 Canal Vi...

Page 2: ...ating pressure 0 3 MPa 3 bar Expansion vessel charge pressure 0 3 MPa 3 bar Expansion relief valve setting 0 6 MPa 6 bar P T relief valve setting pressure 0 7 MPa 7 bar P T relief valve setting temper...

Page 3: ...5 Design notes 6 Schematic Direct 7 Schematic Indirect 8 Installation general guidelines 9 Installation electrical 12 Installation connectivity 19 Discharge pipework 20 Commissioning 25 Commissioning...

Page 4: ...ater from the bot tom of the cylinder into this hot portion during heating This top up technology allows the Mixergy cylinder to selectively heat or charge the water improving reheat performance reduc...

Page 5: ...rnet cable User guide Warranty statement Model sizes and weights Cylinder capacity L 120 150 180 210 300 Nominal dia mm 475 545 475 545 475 545 475 545 475 545 Cylinder height mm 1255 990 1520 1190 18...

Page 6: ...lectric gas or oil fired boilers and heat pump systems Dual primary element for use with a PV diverter The unit should be handled with care in order to avoid damage It should be stored upright in a dr...

Page 7: ...Primary immersion Cold feed P T relief valve Controller Tundish and discharge pipe Cold water control group Pump assembly Expansion vessel Backup immersion if fitted Expansion relief valve 2 3 4 5 6 7...

Page 8: ...valve Controller High limit safety stat Cold water control group Indirect junction box Expansion vessel Tundish and discharge pipe Expansion relief valve Pump assembly Primary immersion Backup immersi...

Page 9: ...ves etc Ensure atleast 300mm of vertical clearance above the cylinder Refer to page 5 for cylinder heights and the diagram below for guidelines on space requirements Nominal di ameter nD mm Space re q...

Page 10: ...than re quired seek dosage requirements from chemical manufacturer Pipework and cold water control group The unit should be piped in with a nominal 22mm pipe to ensure adequate flow rate The unit is...

Page 11: ...from the relief valves is to be in a prominent visible and safe position away from any elec trical devices See discharge and safety devices on page 16 Checking the P T relief valve The pressure and t...

Page 12: ...used to integrate the Mixergy cylin der with any existing timers or controllers i e economy 7 timer or a hive controller See External controller wiring on page 17 for more details on wiring in an ext...

Page 13: ...n on pages 15 and 16 Wiring with 2 port zone valve S plan Connect a 5A fused supply L to the indirect junction box ter minal labelled N Connect earth to the indirect junction box terminal labelled GND...

Page 14: ...se wiring diagrams only serve as examples the specific cable used should suit the installation N L1 L2 N L1 L2 Wiring diagram with 2 port zone valve S PLAN Wiring diagram with 3 port mid position valv...

Page 15: ...15 Installation electrical...

Page 16: ...16 Installation electrical...

Page 17: ...ring Mixergy systems can be connected to an external controller using the sense cable as follows Connect the brown L cable to the external controller DHW ON junction Connect the blue N cable to neutra...

Page 18: ...d into the Mixergy system with an additonal 3 core L N E cable labelled solar feed that should be wired into your PV diverter as specifed by the manufacturer If a replacement cable is required please...

Page 19: ...ilable Powerline connectivity between the cylinder and internet router is only possible in houses where both the cylinder and adapter are powered from the same electrical phase For houses with 3 phase...

Page 20: ...way of the same manifold that is used by the safety devices the manifold should be factory fitted as part of the hot water storage system unit or package Tundish The tundish should be vertical located...

Page 21: ...inimum size of discharge pipe D1 Minimum size of dis charge pipe D2 from tundish Maximum resistance allowed expressed as a length of straight pipe Resistance creat ed by each elbow or bend 15 mm 22 mm...

Page 22: ...he nominal outlet size of the safety device unless its total equivalent hydraulic resistance exceeds that of a straight pipe 9m long i e for discharge pipes between 9m and 18m the equivalent resistanc...

Page 23: ...re used as branch pipes carrying discharge from a safety device they should be either polybutylene PB or crosslinked polyethylene PE X complying with national standards such as Class S of BS 7291 2 20...

Page 24: ...seal Downward discharges at low level i e up to 100mm above ex ternal surfaces such as car parks hard standings grassed areas etc are acceptable providing that a wire cage or similar guard is positio...

Page 25: ...ves together allowing as much water as possi ble to flow through the tundish At this point make sure that your discharge pipework is free from debris and is transport ing the water away to waste effec...

Page 26: ...ap from the pairing hole located in the rear right corner of the controller 2 Use a pen or tool to depress and hold the pair button for 1 2 seconds 3 Depress the pair button on the powerline adapter f...

Page 27: ...etails This Commissioning Checklist is to be completed in full by the competent person who commissioned the cylinder as a means of demonstrating compliance with the appropriate Building Regu lations F...

Page 28: ...t device fitted Final checks The cylinder complies with the appropriate building regulations The cylinder has been installed and commissioned in accordance with the manufacturer s instructions The cyl...

Page 29: ...lly being discharged firstly check with a gauge that the pressure allowed through the Pressure Reducing Valve does not exceed 3 bar If it does exceed 3 bar then the valve should be stripped cleaned an...

Page 30: ...r safety valve determined which valve is faulty and replace one supplied by Mixergy Cross flow If all the valves have been replaced and the vessel re commis sioned then the system could be suffering f...

Page 31: ...ing instructions Flushing the cylinder To flush out the system drain the unit as above fill and repeat If after recharging the expansion vessel the cylinder is still dis charging it may be due to cros...

Page 32: ...n the twist cap and check that the water is discharged and runs clearly through the Tundish and out at the final discharge point Ensure that the valve re seats re seals itself Pressure temperature rel...

Page 33: ...33 Service record Service date Serviced by Comments...

Page 34: ...part is needed please contact Mixergy directly To determine the correct parts for your system please ensure you have your cylinder MX number which can be found on the name plate located at the front...

Page 35: ......

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