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THE/COMBI3

INSTALLATION

AND MAINTENANCE MANUAL

Summary of Contents for THE/COMBI3 1000

Page 1: ...THE COMBI3 INSTALLATION AND MAINTENANCE MANUAL...

Page 2: ...2 ENGLISH RANGE MODEL CODE THE COMBI3 430 20023611 THE COMBI3 550 20023612 THE COMBI3 750 20023613 THE COMBI3 1000 20023614...

Page 3: ...t instructions and precautions that must be observed to ensure the trouble free installation and efficient functioning of your THERMITAL THE COMBI3 com bination storage cylinder Please accept our rene...

Page 4: ...uct description 6 Identification 6 Design 7 Technical specifications 8 Accessories 12 Water circuit 13 INSTALLATION 14 Unpacking the product 14 Dimensions 14 Handling 15 Place of installation 17 Insta...

Page 5: ...the owner with a declaration of conform ity confirming that the installation has been com pleted to the highest standards in compliance with the instructions provided by THERMITAL in this instruction...

Page 6: ...d improve efficiency Excellent flexibility permits use in both high and low temperature systems Dimensions are extremely compact thanks to the clever combination of an inertial storage cylinder and do...

Page 7: ...ure sensor socket 8 Top coil 9 Storage cylinder temperature gauge 10 Domestic hot water outlet 11 DHW coil 12 Vent valve fitting 13 Inlet from boiler 14 Inlet from 2nd boiler 15 Central heating outlet...

Page 8: ...socket diameter 1 2 M Top primary coil water capacity 7 1 8 0 10 0 10 0 l Bottom primary coil water capacity 11 0 12 8 17 4 19 8 l DHW coil water capacity 23 6 23 6 30 4 30 4 l Top primary coil heat e...

Page 9: ...erature 80 C Performance achieved with boiler of suitable power configured for a flow rate of 1500 l h Descrizione THE COMBI3 430 550 750 1000 Domestic hot water production 2300 2400 2600 2650 l h Dom...

Page 10: ...mperature 80 C Performance achieved with boiler of suitable power configured for a flow rate of 3000 l h Descrizione THE COMBI3 430 550 750 1000 Domestic hot water production 610 640 750 750 l h With...

Page 11: ...e drop THE COMBI3 BOTTOM COIL PRESSURE DROP mbar FLOW RATE l h 600 700 800 900 500 400 300 200 100 0 0 1000 2000 3000 4000 5000 6000 430 550 750 1000 PRESSURE DROP mbar FLOW RATE l h 600 700 800 900 5...

Page 12: ...MR 6 5 water outlet and return kit 523000176 MR 12DC water outlet and return kit 20012765 1 curved union kit for storage cylinder connection 4383171 Single phase heating element kit 1 5 kW 1 1 2 43832...

Page 13: ...rther information on the recommended solar heating circuit flow rate see the installation instructions for the water outlet and return kit UAC Domestic hot water outlet EAF Domestic cold water inlet R...

Page 14: ...ith bar code spare parts catalogue hydraulic test certificate N 3 adjustable feet models 430 550 N 4 adjustable feet models 750 1000 b The instruction manual is an integral part of the combination sto...

Page 15: ...ure the platform is able to support the weight of the storage cylinder Carefully rotate and slide the storage cylinder off the pallet on to the platform Make sure that the storage cylinder is perfectl...

Page 16: ...lation shells 6 Reverse the above steps to fit the insulation again b Make sure that the insulation shells 7 are securely fixed in place by straps before fitting the plastic cover Use a strap wrench i...

Page 17: ...n accordance with applicable legislation and standards Make sure that the circuit has been flushed out to remove all sludge and lime scale and has been vented and seal tested Make sure that a suitable...

Page 18: ...ESCRIPTION THE COMBI3 430 550 750 1000 A 276 494 364 364 mm B 1312 1657 1419 1744 mm C 177 177 75 75 mm D 349 349 344 344 mm E 699 899 599 599 mm F 809 1009 899 979 mm G 834 929 855 925 mm H 919 1129...

Page 19: ...MBI3 5 Fireplace 6 Water treatment unit 7 Electronic pump 8 Water outlet and return kit MR and expansion vessel 9 Room thermostat 10 Distribution manifold 11 Two way valve 12 Thermostatic mixer valve...

Page 20: ...er escaping from the safety valve b Use a thermostatic mixer valve to limit the domestic hot water outlet temperature b If the pressure in the solar heating circuit drops do NOT top up with water but...

Page 21: ...erature sensor socket 16 mm S Temperature sensor socket 8 mm SRS Solar controller temperature sensor socket 16 mm It is essential to perform the following checks before starting up or testing the func...

Page 22: ...ination storage cylinder see the instruction manual for the controller Start up the boiler to provide auxiliary heating for the combination storage cylinder Once the system has been started up perform...

Page 23: ...w rate If the combination storage cylinder is not going to be used for an extended period of time prepare it for shut down as follows Shut down the boiler as instructed in its own manual Turn the syst...

Page 24: ...nce Switch the electricity supply to the storage cylinder s valve group and to any associated boiler OFF at the main switch and at the control panel Close the shut off cocks for the domestic hot water...

Page 25: ...ater temperature is low in the heat generator or solar heating system The pump is malfunctioning There is lime scale or sludge in the tank Water temperature is low Check the setting and condition of t...

Page 26: ...r too low Set a T of 8 10 C There is lime scale or sludge in the tank Check and clean as necessary The flow rate is too high Reduce pump speed and turn the flow rate adjustment screw on the valve grou...

Page 27: ...27 ENGLISH...

Page 28: ...5 Legnago VR www thermital it The manufacturer strives to continuously improve all products Appearance dimensions technical speci cations standard equipment and accessories are therefore liable to mod...

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