Mixergy MDC0008-02 Installation And Commissioning Instructions Download Page 1

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Installation and commissioning

instructions

MDC0008-02

For Mixergy heat exchanger modules

Failure to install and maintain this system

in accordance with these instructions will

invalidate the manufacturer’s warranty.

PLEASE LEAVE WITH HOUSEHOLDER

V15 11/08/21

Summary of Contents for MDC0008-02

Page 1: ...g instructions MDC0008 02 For Mixergy heat exchanger modules Failure to install and maintain this system in accordance with these instructions will invalidate the manufacturer s warranty PLEASE LEAVE...

Page 2: ...pump rating 230 240 V 10 50 W Exchanger equivalent coil surface area 3 m2 The Mixergy heat pump exchanger module is designed to allow for integration of any Mixergy cylinder with both low and high tem...

Page 3: ...tems 4 Exchanger performance graphs 4 Installation hydraulic 6 Installation remote mounting 9 Hydraulic schematics 10 Installation mechanical 12 Installation electrical 13 Installation commissioning 1...

Page 4: ...pression nuts and olives 2x 22mm isolator valves and pipe stubs Installation guide Insulating jacket for exchanger Heat pump interface Performance given at 60 C 15 20 25 L min primary flow 0 10 20 30...

Page 5: ...5 0 5 10 15 20 25 30 35 40 45 5 10 15 20 25 30 35 40 45 50 55 60 65 Pressure drop kPa Flow rate L min...

Page 6: ...this booklet for specific guidance on draining the hot water cylinder 2 Remove blanking caps from cylinder heat exchanger ports replace with included compression nuts and olives Heat exchanger ports...

Page 7: ...pe stubs 5 Push the assembly onto the cylinder Installation hydraulic IT IS RECOMMENDED TO FIT THE SUPPLIED 22mm ISOLATOR VALVES BETWEEN THE EXCHANGER ASSEMBLY AND THE HEAT EXCHANGER PORTS WHEN POSSIB...

Page 8: ...on fittings Ensure all fittings on the cylinder are tight before filling 7 Plumb the primary circuit flow and return as pictured 8 Refill the system with water ensure the air vent cap is loosened to a...

Page 9: ...mum of 22mm pipework is used to connect the exchanger assembly to the heat exchanger ports on the cylinder Do not exceed more than 2m of additional pipework and reduce the number of bends in the pipew...

Page 10: ...DRAW 22mm comp COLD FEED 22mm comp INCOMING SUPPLY FROM HEADER 1 2 BSPP F OPTIONAL FOR SHOWER PUMP VENT PIPE 2 PORT DIVERTER VALVE MUST BE FITTED FOR HEAT SOURCES CAPABLE OF EXCEEDING 70C HONEYWELL V4...

Page 11: ...SSURE REDUCING VALVE STRAINER CHECK VALVE HOT DRAW 22mm comp COLD FEED 22mm comp INCOMING SUPPLY FROM MAINS 2 PORT DIVERTER VALVE MUST BE FITTED FOR HEAT SOURCES CAPABLE OF EXCEEDING 70C HONEYWELL V40...

Page 12: ...wall of the cylinder using the included self tapping screws at either position 1 or 2 as shown on page 6 or to a nearby wall using the included plastic spacers and screws 1 2 IN THE CASE OF A 120L CY...

Page 13: ...of the relay to the NO terminal of the relay terminal SW_L in the heat exchanger junction box The output on SW_L can then be used to switch a diverter valve or otherwise interface with the heat pump d...

Page 14: ...6 Connect cylinder high limit stat cable BLUE BLACK to HP interface STAT NC 7 Connect cylinder exchanger circ pump L N E to HP interface PUMP L N E 8 Connect heat pump 3A supply L N E to HP interface...

Page 15: ...h limit stat cable BROWN to HP interface STAT COM 6 Connect cylinder high limit stat cable BLUE BLACK to HP interface STAT NC 7 Connect cylinder exchanger circ pump L N E to HP interface PUMP L N E 8...

Page 16: ...ERFACE HEAT PUMP CONTROLLER FUSED 3A 240VAC DHW_SENS2 LT ZONE SW_L HT ZONE SW_L DHW_SENS1 SENSOR1 SW_L HEAT PUMP STAT INDIRECT PUMP L N E COM NC NO COM E L N 1 2 E CYLINDER INDIRECT CONTROL CYLINDER S...

Page 17: ...STAT INDIRECT PUMP L N E COM NC NO COM E L N 1 2 E CYLINDER INDIRECT CONTROL CYLINDER STAT WIRING CENTRE HONEYWELL 42002116 002 OR EQUIV DHW 2 PORT ZONE VALVE HONEYWELL V4043H1056 OR EQUIV HEATING 2...

Page 18: ...er heating is unscheduled i e always available otherwise this can cause schedule conflicts with the Mixergy app 3 Ensure that any time constraints on DHW priority are removed These can be reinstated o...

Page 19: ...hen the heat pump may be set to the wrong sensor type If the heat pump accepts multiple different types of temperature sensor try checking the heat pump manual for guidance on changing the sensor type...

Page 20: ...temperature of 55 C If this is detected the immersion will be switched on in order to satisfy the temperature difference If this behaviour is undesirable the set temperature of the cylinder should be...

Page 21: ...o repair or replace any parts of the Mixergy cylinder unless you are a trained operative If you suspect a fault or a replacement part is needed please contact Mixergy directly Part description Part no...

Page 22: ...at mixergy co uk email us at enquiries mixergy co uk or call us on 01865 884 343 Mixergy Ltd 2 Canal View Wharf Farm Eynsham Road Cassington Oxfordshire OX29 4DB T 01865 884 343 www mixergy co uk MIX...