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Summary of Contents for thermital THE/COMBI3 430
- Page 1 INSTALLATION AND MAINTENANCE MANUAL THE/COMBI3...
- Page 2 RANGE MODEL CODE THE/COMBI3 430 20023611 THE/COMBI3 550 20023612 THE/COMBI3 750 20023613 THE/COMBI3 1000 20023614 ENGLISH...
- Page 3 Dear Installer, Thank you for choosing a THERMITAL THE/COMBI3 combination storage cylinder, a modern, quality product. This instruction manual contains important 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.
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Page 4: Table Of Contents
CONTENTS GENERAL Safety precautions ............5 General safety information ...........5 Product description............6 Identification ..............6 Design ................7 Technical specifications ..........8 Accessories ...............12 Water circuit ...............13 INSTALLATION Unpacking the product ..........14 Dimensions ..............14 Handling ..............15 Place of installation ............17 Installation in older systems and systems requiring modernisation ............17 Water connections .............18 Location of probes .............21... -
Page 5: General
THERMITAL and for which it is designed. another owner or transferred to another user or The manufacturer declines all responsibility, con- to another installation. -
Page 6: Product Description
IDENTIFICATION THERMITAL THE/COMBI3 combination storage cylinders are identified by three plates: – Data plate – Product identification plate This lists the technical specifications and This states the name of the product. -
Page 7: Design
DESIGN 1 - Insulation 13 - Inlet from boiler 2 - Domestic cold water inlet 14 - Inlet from 2nd boiler 3 - Inertial storage cylinder 15 - Central heating outlet 4 - Bottom coil 16 - Return to 2nd boiler 5 - Temperature sensor socket 17 - Inlet from solar collector 6 - Sleeve for electric heating element (not sup-... -
Page 8: Technical Specifications
TECHNICAL SPECIFICATIONS THE/COMBI3 DESCRIPTION 1000 Type of inertial storage cylinder Non vitrified Inertial storage cylinder layout Vertical Heat exchanger layout Vertical Primary coils Smooth steel pipe DHW coil Corrugated pipe in AISI 316 L stainless steel Inertial storage cylinder capacity Diameter with insulation 1000 1000... - Page 9 Performance of THE/COMBI3 combination storage cylinder with boiler connected in: THE/COMBI3 CONFIGURATION A Descrizione 1000 Domestic hot water 3050 3300 3150 3200 l/h production (*) Domestic hot water 1970 2115 1980 2250 l/h production (**) Water draw in 10 minutes with mean ∆T of 35° and primary storage tank at: 90°C 80°C...
- Page 10 Performance of THE/COMBI3 combination storage cylinder with boiler connected in: THE/COMBI3 CONFIGURATION C Descrizione 1000 Domestic hot water 1100 1270 l/h production (*) (*) With ∆T = 35°C and primary temperature = 80°C. Performance achieved with boiler of suitable power configured for a flow rate of 3000 l/h.
- Page 11 Pressure drop THE/COMBI3 TOP COIL 750 - 1000 430 - 550 1000 2000 3000 4000 5000 6000 FLOW RATE (l/h) Pressure drop THE/COMBI3 BOTTOM COIL 1000 1000 2000 3000 4000 FLOW RATE (l/h) GENERAL ENGLISH...
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Page 12: Accessories
Pressure drop THE/COMBI3 DHW COIL 750-1000 1000 2000 3000 4000 5000 FLOW RATE (l/h) ACCESSORIES The following accessories are available, to be ordered separately. ACCESSORY CODE 523000169 SOL PRO 523000170 SOL PLUS 523000171 MR 6,5 water outlet and return kit 523000176 MR 12DC water outlet and return kit 20012765... -
Page 13: Water Circuit
The denomination of the water fittings refers to a theoretical system configuration. See page 19. THERMITAL THE/COMBI3 combination storage cylinders are delivered without a filling pump. A suitably rated pump must be provided and installed separately. For further information on the recommended solar heating circuit flow rate, see the installation instructions for the water outlet and return kit. -
Page 14: Installation
THERMITAL THE/COMBI3 combination storage cylin- ders are delivered in a single package consisting of a triple wall cardboard box (THE/COMBI3 430-550) or a plastic bag (THE/COMBI3 750-1000) on a wooden pallet. The following items are delivered in a plastic bag inside... -
Page 15: Handling
HANDLING The storage cylinder, complete with pallet, must be moved using a fork lift of suitable lifting capacity. Proceed as follows to remove the storage cylinder from the pallet. - Remove the brackets (1) - Place a platform of about half the height of the pallet near the storage cylinder. - Page 16 The casing and insulation can be removed to facilitate access into the place of installation. To do so, proceed as follows. - Remove the plug (2). Unscrew the two fixing screws and remove the top insulation section (3). - Remove the protective fitting plugs (4). - Unzip the plastic cover (5).
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Page 17: Place Of Installation
PLACE OF INSTALLATION THERMITAL THE/COMBI3 combination storage cylin- ders can be installed in any room where there is no spe- cific requirement for an electrical protection rating higher than IP X0D. Respect the minimum specified installation dis- tances to ensure correct installation and access for maintenance. -
Page 18: Water Connections
WATER CONNECTIONS THERMITAL THE/COMBI3 combination storage cylinders can be connected to even previously installed hot water generators provided they are of adequate output power, but care must be taken to ensure correct water flow directions. They can also be easily integrated in THERMITAL solar heating systems. - Page 19 INSTALLATION ENGLISH...
- Page 20 The domestic hot water tank must be filled and The lower the temperature of the heating return pressurised before the inertial storage cylinder (<40°C), the greater the efficiency of the solar is filled. heating system. In very hard water areas, use suitably treated water Make sure that all components chosen for use with to fill the inertial storage cylinder.
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Page 21: Location Of Probes
LOCATION OF PROBES THERMITAL THE/COMBI3 combination storage cylinders incorporate probe wells for fitting the solar controller and boiler probes. Make sure that these probes are inserted all the way. Installers are responsible for all connections to the boiler or hot water generator. Installers must ensure proper installation and functioning in compliance with all applicable legislation. -
Page 22: Initial Start-Up
INITIAL START-UP Heat is only transferred from the solar heating circuit to the combination storage cylinder when the temperature of the solar collectors exceeds that in the combination storage cylinder. It is therefore temperature differential rather than absolute temperature that is important in con- trolling solar water heating systems. -
Page 23: Preparing For Extended Periods Of Disuse
- Close the fuel cock and heating water cock. Drain the domestic hot water (and central heat- ing) circuit if there is any risk of freezing. Contact your local THERMITAL Technical Assistance Centre if you encounter any problems in completing the above procedure. -
Page 24: Maintenance
Scheduled maintenance is essential for the safety, efficiency and long working life of your combination storage cylinder. Proper maintenance also ensures reliability over time. Have your combination storage cylinder serviced either by a THERMITAL Technical Assistance Centre or by a qualified professional once a year. Perform the following operations before beginning any maintenance: - Switch the electricity supply to the storage cylinder’s... -
Page 25: Troubleshooting
TROUBLESHOOTING PROBLEM CAUSE CORRECTIVE ACTION Fit a pressure limiter The supply pressure is too high Little hot water is produced The flow rate is too high Fit a flow reducer There are blockages or deposits Check and clean as necessary in the domestic hot water circuit The pump is malfunctioning Check the pump... - Page 26 PROBLEM CAUSE CORRECTIVE ACTION Solar heating system There is air in the circuit Bleed the circuit is inefficient The flow rate is too low Make sure that the flow rate cor- or too high responds to about 30l/h per m Check that the cold pressure of Pressure is low the system is...
- Page 27 ENGLISH...
- Page 28 RIELLO S.p.A. Via Ing. Pilade Riello, 7 37045 - Legnago (VR) www.thermital.it The manufacturer strives to continuously improve all products. Appearance, dimensions, technical specifications, standard equipment and accessories are therefore liable to modification without notice.
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