Riello KV/200 20 ISC Solar Installation And Maintenance Manual
Floor standing condensing boilers
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Summary of Contents for Riello KV/200 20 ISC Solar
- Page 1 FLOOR STANDING CONDENSING BOILERS RESIDENCE COLONNA CONDENS KV/200 20 ISC Solar KV/200 30 ISC Solar INSTALLATION AND MAINTENANCE MANUAL...
- Page 2 See the “Settings” section for information on system calibration. RANGE MODEL CODE RESIDENCE COLONNA CONDENS KV/200 20 ISC Solar 20044966 RESIDENCE COLONNA CONDENS KV/200 30 ISC Solar 20044968...
- Page 3 Used in conjunction with your own knowledge and expertise it will enable you to install the appliance quickly, easily, and correctly. Once again, please accept our thanks and our congratulations on your choice of product. Riello S.p.A. GENERAL...
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Page 4: Table Of Contents
CONTENTS GENERAL General safety information page 5 Precautions “ Product description “ Safety devices “ Safety devices “ Layout “ Technical specifications “ Accessories “ Water circuit “ Location of sensors “ Pumps “ Wiring diagram “ Control panel “ INSTALLER Unpacking the product page 17... -
Page 5: General Safety Information
GENERAL SAFETY INFORMATION As soon as you open the packaging, check immedi- Periodically, and when the system is cold, check that operating pressure in the heating circuit is between ately that the contents are all present and undam- 1 and 1.2 bar. If water pressure is consistently low, aged. -
Page 6: Product Description
PRODUCT DESCRIPTION RESIDENCE COLONNA CONDENS boilers are high The main technical characteristics of SUNDAY 200 SOL efficiency, low temperature boilers for the production of boilers are: hot water for central heating and domestic hot water sys- - electronic burner ignition and ionisation flame control tems. -
Page 7: Safety Devices
This lists the appliance’s technical specifications and performance data. Categoria: Combustibile: Combustible: Categorie: Brennstoff: Brandstof: Kategorie: RIELLO S.p.A. Via Ing.Pilade Riello 7 37045 Legnago (VR) - ITALY T067745GE Caldaia a condensazione - Chaudière à condensation NOx: European Directive Brennwertkessel - Condenserende verwarmingsketel 92/42/EEC: η = Cod. -
Page 8: Layout
LAYOUT °C 1 Cover panel 2 Top front panel 3 Automatic vent valve 4 Bleed manifold 5 Water pressure switch 6 Deviator group drain cock 7 Deviator valve 8 CH/storage cylinder pump 9 CH circuit fill cock 10 Bottom front panel 11 DHW thermostatic mixer valve 12 Solar circuit non-return valve 13 Solar circuit pump... -
Page 9: Technical Specifications
TECHNICAL SPECIFICATIONS RESIDENCE COLONNA CONDENS Description KV/200 20 ISC Solar KV/200 30 ISC Solar Class of boiler II2H3P B23P-B53P-C13-C13x-C23-C33-C33x-C43- Type of boiler C43x-C53-C53x-C63-C63x-C83-C83x Rated heat input, CH Rated heat output, CH (80°C/60°C) 19,6 29,1 Rated heat output, CH (50°C/30°C) 21,1... -
Page 10: Accessories
RESIDENCE COLONNA CONDENS Description KV/200 20 ISC Solar KV/200 30 ISC Solar Type of storage cylinder Vitrified Cylinder layout Vertical Heat exchanger layout Vertical Maximum power absorbed by top heat exchanger Maximum power absorbed by bottom heat exchanger DHW temperature setting range 30-65 °C... -
Page 11: Water Circuit
WATER CIRCUIT CH flow CH flow Solar circuit outlet Solar circuit outlet DHW outlet Cold water inlet Primary heat exchanger 14 CH/storage cylinder pump 28 Storage cylinder drain cock CH flow temperature sensor 15 CH circuit drain cock 29 200 litre storage cylinder Safety thermostat 16 Deviator group 30 DHW circuit expansion vessel (8... -
Page 12: Location Of Sensors
LOCATION OF SENSORS NTC FLUE GAS CONDENSATE SENSOR TEMPERATURE SENSOR (located inside sealed chamber) SAFETY THERMOSTAT (located on CH circuit flow pipe inside sealed chamber) NTC CH FLOW TEMPERATURE SENSOR (located on CH circuit °C flow pipe inside sealed chamber) °C STORAGE CYLINDER... - Page 13 CENTRAL HEATING SYSTEM (DIRECT ZONE) 1000 1200 1400 1600 1800 2000 FLOW RATE (l/h) SOLAR HEATING SYSTEM 1000 1100 1200 FLOW RATE (l/h) On initial start-up and at least every year, check that all the pumps in the system rotate freely. Sludge and lime scale can build up and cause seizure, espe- cially after long periods of disuse.
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Page 14: Wiring Diagram
WIRING DIAGRAM GENERAL... -
Page 15: Control Panel
CONTROL PANEL THE MAIN CONTROL PANEL °C 1 Boiler pressure gauge Displays the pressure in the central heating circuit. Storage cylinder temperature selector (NOT USED) The temperature of the domestic hot water is preset to 44°C in the factory. The thermostatic mixer valve has to be adjusted to change this value (see page 37). - Page 16 SOLAR CONTROLLER Function selector Enter button Parameter selector Escape button Function selector No function selected / Stand-by. (The display Storage cylinder top temperature sensor shows that the system is switched on but in - The display reads out the temperature currently stand-by mode) measured by storage cylinder top temperature sensor F3.
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Page 17: Unpacking The Product
UNPACKING THE PRODUCT The boiler is delivered in a single package on a wooden pallet, covered by a PVC sheet and inside a wooden crate. The following items are delivered in a plastic bag (A) inside the boiler: - User Manual - Installation and Maintenance Manual - Spare parts catalogue - Certificate of warranty... -
Page 18: Handling
HANDLING Once you have removed the packaging, proceed as fol- lows to handle and move the boiler. - Unscrew the 4 screws (A) shown in the figure and remove the boiler from the pallet. - Remove the front panel (1) to facilitate handling and movement of the boiler. -
Page 19: Place Of Installation
PLACE OF INSTALLATION RESIDENCE COLONNA CONDENS boilers can be installed in any indoor location provided the flue gases When installing the boiler, allow sufficient space are adequately removed and comburent air drawn in from around it to access all safety and control devices outdoors. -
Page 20: Installation In Older Systems And Systems Requiring Modernisation
Sludge, limescale and other contaminants in water can cause irreversible damage to boilers even in relatively short times, and despite the use of top quality materials in their manufacture. Contact RIELLO’s Technical Assistance Service for fur- ther information on water additives and their use. INSTALLER... - Page 21 WATER IN CENTRAL HEATING SYSTEMS: INSTRUCTIONS FOR THE DESIGN, INSTALLATION AND MANAGEMENT OF CENTRAL HEATING SYSTEMS 1. Chemical and physical characteristics of water The chemical and physical characteristics of water used in central heating systems must conform to the requirements of EN 14868 standard and to the following tables: ALUMINIUM BOILERS ALUMINIUM BOILERS...
- Page 22 2.2 Reconditioning old central heating systems If a boiler has to be replaced, do not refill the entire central heating circuit if the quality of water in it conforms to requi- rements. If the quality of water fails to conform to requirements, either recondition the old water or separate the water circuits (water in the boiler circuit must conform to requirements).
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Page 23: Water Connections
WATER CONNECTIONS Before installing the boiler, thoroughly flush out all the pipes of the central heating circuit. Connect the boiler to the water supply with a shut-off cock upstream. Connect the condensate drain pipe to a domestic water drain in accordance with national and local legislation and stand- ards. - Page 24 Condensate collection Locate the corrugated condensate drain pipe (S) at the rear of the burner and connect it to a domestic water drain in accordance with national and local legislation and standards. Always maintain a slope “i” of over 3° and ensure that the diameter of any hose used is greater than that of the boiler’s own condensate drain pipe.
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Page 25: Electrical Connections
ELECTRICAL CONNECTIONS All the boiler’s internal electrical connections have been pre-wired and tested in the factory. Only the following connections are needed for installa- tion: - Connect the boiler to the mains power supply (single phase 230V-50Hz) using the cable (1) from the rear of the appliance. - Page 26 - Open the cover (D) to access the internal terminals and make the connections as shown in the diagram below. CR Remote control SE Outdoor temperature sen- nero Room thermostat TBT/ACP Fuse 3.15A F (fast) TBT Low temperature thermostat APC Condensate pump alarm M3÷M5 Connection terminals SOLAR COLLECTOR TEMPERATURE SENSOR (SColl) A resistance (R) is connected to the terminals...
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Page 27: Outdoor Temperature Sensor
OUTDOOR TEMPERATURE SENSOR Correct positioning of the outside temperature sensor is essential to proper indoor temperature control. The sensor must be installed outside the building to be heated, about 2/3 of the way up a NORTH or NORTH-WEST facing wall, well clear of any flues, doors, windows and out of direct sunlight. -
Page 28: Fuel Connections
FUEL CONNECTIONS The boiler must be connected to the methane gas supply in compliance with the relevant standards. Perform the following checks before making the connec- tion: - Check that the boiler is compatible with the type of gas supplied. - Check that the gas supply pipes have been thoroughly cleaned. - Page 29 B53P Upstream fan. Comburent air intake directly from the room where the boiler is installed. Flue gas vent via horizontal or vertical flues designed to operate at positive pressure, with air ventilation to room. C13 Concentric wall vent. Twin flue pipes can also be used, but the wall through-pipes must be con- centric or located close enough to be subjected to similar wind conditions.
- Page 30 Coaxial flues (Ø 80/125) An adapter kit must be used in order to install this size of Maximum straight length of Pressure drop (m) flue. Coaxial flues can be oriented in whatever direction coaxial flue Ø 80/125 45° bend 90° bend is most convenient for the room, provided the maximum lengths specified alongside are respected.
- Page 31 “FORCED/OPEN INSTALLATION” (TYPE B23P/ B53P) Boiler gas vent flue (Ø 80) The vent flue can be oriented in whatever direction is Maximum length of flue gas Pressure drop (m) most convenient for the room. In this configuration, a Ø vent pipe (Ø 80) 45°...
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Page 32: Filling And Draining The System
FILLING AND DRAINING THE SYSTEM RESIDENCE COLONNA CONDENS boilers incorporate a CH system fill cock. Make sure that the system filling cock (2) is closed before you start to fill or drain the system. FILLING THE STORAGE CYLINDER - Make sure that the central heating circuit and storage cylinder drain cocks (4) and (3) are closed. - Page 33 FILLING THE SOLAR HEATING CIRCUIT Glycol / water proportions for different Heat transfer liquid minimum temperatures Use only non-toxic propylene glycol as heat transfer fluid. Minimum outdoor % glycol by weight temperature °C Mix the propylene glycol with water (preferably deminer- - 3,5 alised), by pouring the glycol into a container of water and not vice-versa.
- Page 34 DRAINING Switch the electricity supply OFF at the control panel and at the system’s main switch before starting to drain the boiler or storage cylinder. DRAINING THE CENTRAL HEATING SYSTEM - Make sure that the CH system fill cock (2) is closed. - Close the shut-off cocks for the central heating and domestic hot water circuits.
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Page 35: Preparing For Initial Start-Up
PREPARING FOR INITIAL START-UP Initial start-up must be performed by an authorised and qualified heating engineer from a r Technical Assistance Centre. Remove the front panel from the boiler and perform the following checks before switching the boiler on or testing any of its functions. - Page 36 circuit as instructed on page 32. Once the CH circuit reaches the right pressure, switch the boiler back on again to start the auto- matic venting cycle. Repeat these steps until the pressure in the CH circuit stabilises between 1 and 1.2 bar. To interrupt the automatic venting cycle unscrew the four screws (A), remove the front trim (B) and press the combustion analysis button (CO).
- Page 37 SETTING DOMESTIC HOT WATER TEMPERATURE Domestic hot water temperature is preset to 44°C in the factory. Domestic hot water from the Adjust the thermostatic mixer valve to change this value. SOLAR STORAGE CYLINDER °C The following table shows the hot water temperature val- ues for the different mixer valve knob positions.
- Page 38 SOLAR CONTROLLER The first time you switch on the boiler, you will need to set time and day. To do so, proceed as follows. - Turn the function selector (3) to " " - Turn the parameter selector (4) until the "Clock" menu appears.
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Page 39: Shutdown
RESET FUNCTION To reset the boiler, turn the function selector to “ ”, then return it to its previous position and check that the red LED goes out. Provided correct functioning conditions have been restored, the boiler restarts automatically. As soon as the burner ignites the green LED lights and the digital display will read out current operating temperature. -
Page 40: Warning Leds And Errors
If the boiler is not going to be used for an extended peri- od of time, proceed as follows to prepare it for shutdown. - Turn the function selector to OFF/RESET. - Turn the mains power switch OFF. - Close the fuel shut-off cock and the central heating and DHW circuit shut-off cocks. -
Page 41: Automatic Temperature Control
Dealing with error AL41 Check the pressure on the control panel pressure gauge. If it is below 0.5 bar, proceed as follows. - Turn the function selector to “ ” - Remove the top front panel from the boiler by pulling it forwards. - Page 42 Example: if the calculated value is 1.3, it lies between the 1 and 1.5 curves. Choose the nearest curve, in this case 1.5. Adjust the trimmer under the DHW temperature setting knob to select KT. The following KT values can be set: standard system: 1,0 - 1,5 - 2,0 - 2,5 - 3,0 under-floor system 0,2 - 0,4 - 0,6 - 0,8.
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Page 43: Settings
SETTINGS All settings have already been made in the factory. If the boiler needs new settings after repairs have been made, the gas valve changed, or after a conversion from methane to LPG, proceed as follows. The settings for minimum fan speed, maximum CH fan speed, maximum DHW fan speed, and ignition slow fan speed must be made in the sequence given and must only be made by qualified personnel. - Page 44 When supplied, the boiler is configured with the settings shown in the table below. These settings can be changed if necessary to comply with specific system requirements or regional emission control legislation. Refer to the following graphs to adjust the settings. 20 ISC Solar Heating curve (Qnheating) –...
- Page 45 ADJUSTING THE GAS VALVE Max. gas - Switch on mains power to the boiler. power screw - Open the gas cock. - Turn the function selector to OFF/RESET (the display shows “- -”). °C - Unscrew the four screws (A) and remove the front trim (B). - Press the combustion analysis button (CO).
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Page 46: Conversion From One Gas Type To Another
CONVERSION FROM ONE GAS TYPE TO ANOTHER The boiler can be converted from one gas type to another quite simply, without even having to remove the burner. The burner comes configured for use with methane gas (G20) as stated on the boiler’s gas plate. The burner can be converted for use with propane gas (G31) using the kit supplied with the boiler. -
Page 47: Maintenance
MAINTENANCE Hints for bleeding air out of the cen- To maintain maximum functionality and efficiency, and tral heating circuit and burner group to comply with the relevant legislation, have the boiler inspected at regular intervals. When performing maintenance, always follow the precau- Perform the following operations during installation and tions listed in the “GENERAL SAFETY INFORMATION”... - Page 48 Checking combustion parameters Proceed as follows to perform combustion analysis: - Unscrew the four screws (A) and remove the front trim (B). - Remove the screw (C) and the combustion analysis cap (40) and insert the combustion analysis probe into the air box.
- Page 49 Setting the solar controller param- eters If you ever have to replace the solar controller, you must reset parameters 22 = 7, 47 = 50 and 54 = 4. These parameters are protected by a password (0000). Proceed as follows: - Turn the function selector (3) to "...
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Page 50: Troubleshooting
TROUBLESHOOTING CAUSE SOLUTION FAULT Check that all joints are tight and There is a smell of gas. Leaks from the supply circuit. that the pressure measurement points are closed. There is a smell of Check: There is a smell of combustion combustion fumes. - Page 51 CAUSE SOLUTION FAULT The boiler does not reach its Burner dirty. Clean the combustion chamber. temperature set point. Insufficient air/fuel flow to burner. Check and adjust the burner. Check correct functioning. Boiler settings. Check temperature setting. Check correct functioning. Boiler settings. Burner locks out.
- Page 52 CAUSE SOLUTION FAULT Reduced supply of domestic Supply pressure is too high. Fit a pressure reducer. hot water. Lime scale and/or sludge in Check and clean. storage cylinder. Flow rate too high. Fit a flow reducer. Check functioning circuit pump. Check positioning of sensors.
- Page 53 CAUSE SOLUTION FAULT Solar controller reached Maximum temperature has been The solar circuit pump does maximum temperature exceeded in the collector or in not work, even if the collector stopped the pump. The pump will temperature sensor detects a the storage cylinder. temperature higher than that start working again as soon as the in the storage cylinder.
- Page 54 TECHNICAL ASSISTANCE SERVICE...
- Page 56 RIELLO S.p.A. 37045 Legnago (VR) Tel. 0442630111 - Fax 0442630371 - www.riello.it As part of the company’s ongoing commitment to perfecting its range of products, the appearance, dimensions, technical data, equipment and accessories may be subject to variation.