Page 1 ALUDOMUS SOLAR KV/200 20 ISC SOLAR EN INSTALLATION AND MAINTENANCE MANUAL...
Page 2 CONFORMITY ALUDOMUS SOLAR boilers conform to the following directives: − Low Voltage Directive 2006/95/EEC − Electromagnetic Compatibility Directive 2004/108/EEC − Boiler and Condensation UNI EN 677 standard. − Gas Appliances Directive 2009/142/EEC − Boiler Efficiency Directive 92/42/EEC − Ecodesign Directive 2009/125/CE for energy-related products −...
Page 3 This manual provides information that is essential to the installation of the appliance. 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.
Page 4: Table Of Contents
CONTENTS GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 General safety information .
Page 5: General
GENERAL GENERAL 1 . 1 General safety information As soon as you open the packaging, check imme- Periodically check that operating pressure in the- diately that the contents are all present and unda- water circuit is over 1 bar. If water pressure is consi- maged.
Page 6: Product Description
GENERAL 1 .3 Product description ALUDOMUS SOLAR boilers are high efficiency, low The characteristics of the horizontal heat exchanger and temperature, condensing boilers for the production of of the burner ensure an excellent level of performance. hot water for central heating and domestic hot water The combustion chamber and the heat exchange area systems.
Page 7: Identification
Categorie: Brandstof: Brennstoff : Kategorie : IT: G20=20mbar G31=37mbar II2H3P RIELLO S.p.A. FR:G20=20mbarG25=25mbarG31=37mb II2Esi3P Via Ing.Pilade Riello 7 0694 08 37045 Legnago (VR) - ITALY BE: G20=20mbar G25=25mbar I2E(S)B 0694BS1412 CH: G20=20mbar G31=37mbar II2H3P T067657GE Caldaia a condensazione - Chaudière à condensation - Brennwertkessel - Condenserende verwarmingsketel ALU DOMUS KV/200 20 ISC SOLAR P.min.G20=...
Page 8: Layout
GENERAL 1 . 7 Layout FRONT VIEW RIGHT SIDE VIEW Top panel 26 Storage cylinder circuit non-return valve 27 Fittings for first mixed CH zone (accessory) Top front panel 28 Distribution manifold Direct CH zone pump 29 Direct CH zone non-return valve Control panel 30 Manual bleed valve LMU-RVS control cards...
Page 9: Technical Specifications
GENERAL 1 .8 Technical specifications ALUDOMUS Description KV/200 20 ISC SOLAR condensing boiler for central heating Type of boiler B23-B23P-B53-B53P-C13- C33-C43-C53-C63 Fuel G20-G31 G20-G31 Class of boiler II 2H3P II 2H3P Maximum rated heat input at furnace referred to HVC (LCV) 22,2 (20) Minimum rated heat input at furnace referred to HVC (LCV) 5,6 (5)
Page 10 GENERAL ALUDOMUS Description KV/200 20 ISC SOLAR Absorbed electric power (max) Absorbed power supply at full load Elmax Absorbed power supply at partial load Elmin Absorbed power supply standby PSB P sb (*) Temp.: 15°C ; Press.: 1013 mbar. (**) Parameters refer to 0% residual O2 in the products of combustion and atmospheric pressure at sea level. (***) Only if flow temperature ≥...
Page 11 GENERAL BOILER ONLY DHW performance (winter months with no contribution from solar panels) ALUDOMUS SOLAR STORAGE CyLINDER KV/200 20 ISC CHARACTERISTICS SOLAR Continuous water draw with ∆T 25°C and Vmix 11,4 l/min setting = MAX Continuous water draw with ∆T 35°C and Vmix l/min setting = MAX Water draw in 10 minutes...
Page 12: Water Circuit
GENERAL 1 . 9 Water circuit Non-return valve Storage cylinder drain cock Safety valve (3 bar) 21 DHW circuit safety valve (8 bar) Manual bleed valve 22 Expansion vessel (8 litres) Automatic vent valve 23 Thermostatic valve Central heating pump 24 Solenoid valves or shut-off valves Distribution manifold 25 Bypass detent...
Page 13 GENERAL Safety thermostat Flue gas thermostat Flue gas probe CH flow temperature sensor CH return temperature sensor Storage cylinder temperature sensor (boiler) Storage cylinder temperature sensor (solar system) CHARACTERISTICS OF CH FLOW AND RETURN AND STORAGE CyLINDER TEMPERATURE SENSORS Measured temperature (°C) - Resistance (Ω). T (°C) R (Ω) T (°C)
Page 14: Pumps
GENERAL 1 . 1 0 Pumps TECHNICAL DATA FOR CH/STORAGE CyLINDER PUMP DESCRIPTION ErP ready 2015 Electrical consumption EEI Part 3 (*) ≤ 0.20 P L,Avg (**) ≤ 24 Minimum pressure at pump suction inlet (*) Energy efficiency index according to ErP 2015 (Commission regulations 641/2009 and 622/2012) (**) Average annual electricity consumption according to ErP 2015 (Commission regulations 641/2009 and 622/2012) CH PUMP CURVE [kPa]...
Page 15 GENERAL ADJUSTING THE PUMP The boiler's pump is ErP 2015 Ready, and suitable for Display Meaning % power use in central heating only/domestic hot water applica- LED 1 flashing green Stand-by (only tions. The pump can be controlled by an external PWM with PWM signal and has 4 different pressure curves for central control)
Page 16 GENERAL Display Meaning Function Action LED 1 red and LED 5 yellow, The pump rotor is blocked. The pump automatically Wait or check that the both lit attempts to start every 1.5 pump rotor is free to ro- seconds. tate. LED 1 red and LED 4 yellow, Supply voltage too low.
Page 17 GENERAL TECHNICAL DATA FOR SOLAR CIRCUIT PUMP DESCRIPTION ERP ready 2015 Electrical consumption EEI Part 3 (*) ≤ 0,20 P L,Avg (**) ≤ 27 Minimum pressure at pump suction inlet (*) Energy efficiency index according to ErP 2015 (Commission regulations 641/2009 and 622/2012) (**) Average annual electricity consumption according to ErP 2015 (Commission regulations 641/2009 and 622/2012) SOLAR CIRCUIT PUMP CURVE [kPa]...
Page 18: Wiring Diagram
GENERAL 1 . 1 1 Wiring diagram SCH2 X30-1/14 Fan-PWM SCH1 X40-5 OCI420 X50-5 AGU2.5 X30-14 AGU2.3 TAT1 Lockout lamp Fan-PWM L1 N PE Power supply 230 Vac Ignition electrode Mixed CH zone 1 pump (accessory) Flame detection sensor Mixed CH zone 2 pump (accessory) Fuse 6.3 AT Storage cylinder upper temperature sensor Power supply signal...
Page 19 GENERAL SCH4 SCH3 SCH5 NTC/10K NTC 10K S.I3 P.CS SM SR SBA SF CH flow temperature sensor CH return temperature sensor Room thermostat Mixed CH zone room thermostat (accessory) TAT1 Ignition transformer Flue gas thermostat Safety thermostat (100°C +0/-6) Variable speed fan Gas valve Mixer valve (accessory) Mixer valve (accessory...
Page 20: Control Panel
GENERAL 1 . 1 2 Control panel CONTROL OF BOILER, DIRECT CH ZONE AND DHW PRODUCTION Primary user interface / controls CONTROL PANEL IN CLOSED POSITION CONTROL PANEL IN OPEN POSITION Electrical power indicator (green) Functioning mode selection key Lights to show that the boiler is receiving The selected mode is identified by a line under electrical power.
Page 21 GENERAL SECONDARy USER INFORMATION / DISPLAy Water pressure reading (not used) Large numeric display. Displays current value Chimney sweep or Service Required symbol Display mode symbols: DHW temperature or DHW mode active CH or room temperature setpoint, or CH mode active Outdoor temperature Daytime mode Night-time mode...
Page 22 GENERAL MAIN SCREEN Functioning mode. Press the mode key to activate the various modes, as shown by the line under the corresponding symbol. DHW mode. Press the DHW (key (above the display) to activate and deactivate DHW mode. Daytime mode Time of day Current boiler temperature Water pressure (not used)
Page 23 GENERAL pumps are switched on for 10 minutes at intervals of 6 Notes on functioning hours. If outside temperature is above 1.5°C the pumps The control panel on the ALUDOMUS SOLAR boiler also are switched off. controls the following functions.: Overtemperature dispersal function The DHW priority function If the temperature threshold thermostat trips (86°C) the...
Page 24 GENERAL Oem (manufacturer) level Explanation Parameters in this level must only be changed by per- Press one of these keys to access the sonnel from R’s Technical Assistance Service. END USER programming level This level is reserved for the boiler manufacturer. Using these two keys to represent the numbers Press and hold both these keys for at least 6 seconds...
Page 25 GENERAL EXTENDED INFORMATION LEVEL 1: temperatures ExTENDED INFORMATION LEVEL 3: assistance Press the key. Press the key. Press and hold both keys for at least 3 se- Press and hold both keys for at least 3 se- conds. conds. Press one of the keys until you reach the re- Press the key twice.
Page 26: Room Unit
GENERAL 1 . 1 3 Room unit CONTROL OF SOLAR SySTEM AND ANy ADDITIONAL SySTEMS INSTALLED AS ACCESSORIES PRIMARy USER INTERFACE / CONTROLS DHW production on/off key. A line appears under the “v” symbol on the display when DHW production is enabled. Display ESCape key.
Page 27 GENERAL MAIN SCREEN A1 DHW production mode: ON or OFF . Press the DHW key (1) to switch DHW on or off (as shown by the line under the symbol). B1 Central heating modes: Press the central heating mode key (5) to activate the various modes as shown by the line under the corre sponding symbol.
Page 28 GENERAL Domestic hot water (DHW) Press the DHW key (1) to enable domestic hot water pro- duction. A line appears under the DHW symbol. DHW is generated according to the DHW time program (parameters 560 to 566). Boiler temperature DHW production is switched off but the protection fun- ctions remain active.
Page 29 GENERAL o / l Presence If the rooms are not going to be used for some time, you can press the presence key (7) to reduce room tempera- ture and save energy. When you want to use the rooms again, simply press the presence key again to restore room temperature to the normal setpoint.
Page 30 GENERAL USER LEVELS: There are 4 different user levels : − End user − Commissioning − Heating engineer − OEM (Manufacturer). See the “Complete list of parameters” section for a list of the parameters displayed in each level. Proceed as follows to access the user level you require: Boiler temperature −...
Page 31 GENERAL − The display flashes the current hour. Turn the knob to go on or back to the correct value. Press "OK" to confirm. − The display flashes the current minutes. Turn the knob to go on or back to the correct value. Press "OK"...
Page 32: Installer
INSTALLER 2 INSTALLER 2 . 1 Unpacking the product ALUDOMUS SOLAR R boilers come in a robust palle- tised wooden cage, protected by a PVC sheet. The fol- lowing items are delivered in a plastic bag inside the boiler: − Installation, operation and maintenance manual −...
Page 33: Handling
INSTALLER 2 .3 Handling Once you have removed the packaging, proceed as fol- lows to handle the boiler: − Remove the screws (A) securing the boiler to the wooden pallet. − Grip the boiler by the slots (B) in the bottom and (C) in the top to lift it off the pallet.
Page 34: Installation In Older Systems And Systems Requiring Modernisation
INSTALLER 2 .5 Installation in older systems and systems requiring modernisation When installing these boilers in old systems or systems − Make sure that expansion vessels are big enough requiring modernisation, always perform the following to contain the additional volume generated by checks: thermal expansion.
Page 35 INSTALLER CENTRAL HEATING SySTEMS CORROSION Deposit corrosion Do not use automatic filling devices to add water to central heating systems. Use a manual device inste- Deposit corrosion is an electro-chemical phenomenon ad and record top-ups in the system service book. caused by the presence of foreign bodies (sand, rust, etc.) in the water mass.
Page 36: Water Connections
INSTALLER 2 . 7 Water connections ALUDOMUS SOLAR R boilers are designed and made for installation in combined central heating and dome- stic hot water production systems, and incorporate pro- vision for connection to a solar heating system. The water fittings have the following specifications: ALUDOMUS DESCRIPTION KV/200 20 ISC...
Page 37 INSTALLER TyPICAL WATER SySTEM SCHEMATIC MI 1 RI 1 MI 2 MIX RI 2 MIX MI 3 MIX RI 3 MIX Direct CH zone users Direct CH zone flow Mixed CH zone users Direct CH zone return Manual bleed valve MI2 Mix Mixed CH zone 1 flow Vent valve RI2 Mix Mixed CH zone 1 return...
Page 38: Draining The Condensate
INSTALLER 2 .8 Draining the condensate 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. i≥3° The connection to the waste water drain pit must be made in compliance with national and local le- gislation and standards.
Page 39: Electrical Connections
INSTALLER 2 . 1 0 Electrical connections ALUDOMUS SOLAR R boilers are fully cabled in the factory. The only connections required for their instal- lation are those of the mains power supply, room unit, outdoor temperature sensor, solar collector temperatu- re sensor and other optional system components.
Page 40 INSTALLER ROOM UNIT AND COLLECTOR PROBE RVS control card ... Room unit Room unit Room unit Collector probe Use a three core cable to connect the room unit to terminals CL+, CL- and G+ on the main board, taking care not to invert polarity. The following instructions are mandatory: It is strictly forbidden to use fuel and/or water pipes −...
Page 41: Outdoor Sensor Connections
INSTALLER 2 . 1 1 Outdoor sensor connections Correct positioning of the outdoor temperature sensor is essential to proper indoor climate 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 Fixing the outside sensor to the wall −...
Page 42: Gas Connection
INSTALLER 2 . 1 2 Gas connection ALUDOMUS SOLAR boiler must be connected to the me- thane and LPG gas supply in compliance with the rele- vant standards. GAS 3/4”M Perform the following checks before making the con- nection: − Check that the boiler is compatible with the type of gas supplied.
Page 43 INSTALLER Upstream fan. Comburent air intake directly from the room where the boiler is installed. Flue gas vent via horizontal or vertical flues, with air ventilation to room. B23P As B23 but with flue gas vent designed to opera- te at positive pressure. Upstream fan.
Page 44: Filling And Draining The System
INSTALLER 2 . 1 4 Filling and draining the system ALUDOMUS SOLAR boilers incorporate a CH system fill cock (1). FILLING THE STORAGE CyLINDER − Make sure that the storage cylinder drain cock (2) is closed. − Open the DHW user taps. −...
Page 45 INSTALLER Filling procedure − Open the non-return valve (8) to facilitate filling. See the figure to ascertain the correct position for the dot on the screw. − Open the manual bleed valves on the system bleed manifold. − Use an external filling pump to pump heat tran- sfer fluid around the circuit between the cocks AUTOMATIC (A) and (B), until all bubbles have been elimina-...
Page 46 INSTALLER DRAINING THE CENTRAL HEATING SySTEM − Close the shut-off cocks for the central heating and domestic hot water circuits. − Make sure that the CH system fill cock (1) is closed. − Open the non-return valve (4) to facilitate drai- ning.
Page 47: Thecnical Assistance Service
THECNICAL ASSISTANCE SERVICE 3 THECNICAL ASSISTANCE SERVICE 3 . 1 Preparing for initial start-up Remove the front panel from the boiler and perform the − Check that the electrical connections to the following checks before switching the boiler on or te- mains supply and to the system's control and sting any of its functions: safety devices have been made correctly.
Page 48 THECNICAL ASSISTANCE SERVICE Press the key: − With an outdoor temperature sensor connected you can now set the room temperature setpoint − With no outdoor temperature sensor connected you can now set the central heating circuit tem- perature setpoint. Press the keys to adjust the setpoint.
Page 49: Checks During And After Initial Start-Up
THECNICAL ASSISTANCE SERVICE 3 .3 Checks during and after initial start-up Once the boiler has started up, make sure that it shuts down and re-starts properly too when: − The central heating temperature setpoint is changed (see page 60). − The control panel is switched OFF . −...
Page 50: Temporary Shutdown
THECNICAL ASSISTANCE SERVICE 3 .4 Temporary shutdown If you are going to be away for a short period of time like a weekend or a short holiday, etc. proceed as follows: − Press and hold the key until the bar (1) appears under "stand-by"...
Page 51: Maintenance
THECNICAL ASSISTANCE SERVICE 3 .6 Maintenance Regular maintenance may be a legal requirement. In On completion of maintenance, the original settings Italy it is required by Presidential Decree 412 of the 26th must be restored and combustion fumes analysed August 1993. It is also essential for the safety, efficiency to verify correct functioning.
Page 52 THECNICAL ASSISTANCE SERVICE Removing the burner − Disconnect all the electrical connections betwe- en the burner and the boiler. − Unscrew the nut (1) of the gas feed pipe. Remo- ve the small pipe (2) from the gas valve pressure measurement point.
Page 53 THECNICAL ASSISTANCE SERVICE Removing the gas valve and air intake group − Remove the screws (9) and remove the gas valve / air intake group from the fan (10), taking care not to damage the seal (11). Replace the seal if it is worn.
Page 54: Setting The Electrodes
THECNICAL ASSISTANCE SERVICE 3 .8 Setting the electrodes Correct positioning of the ignition electrode and flame detection sensor is essential for efficient ignition and combustion. With the burner removed, verify the state of wear and the positioning of the ignition electrode and flame de- tection sensor according to the figure below.
Page 55: Setting Combustion Parameters
THECNICAL ASSISTANCE SERVICE 3 . 1 0 Setting combustion parameters ALUDOMUS SOLAR boilers are set up in the factory for G20/G25 20/25mbar. If actual combustion parameter values differ from tho- se given in the tables below, contact ’s Technical Assistance Service. Proceed as follows to set combustion parameters: −...
Page 56 CO2.. Once the adjustments are complete, the combustion parameters should be as specified in the tables below. CO2 VALUES FOR FUNCTIONING AT MINIMUM POWER ALUDOMUS SOLAR KV/200 20 ISC SOLAR 9,15 − Press to return to normal functioning mode. Once all adjustments have been made: −...
Page 57: Conversion From One Gas Type To Another
THECNICAL ASSISTANCE SERVICE 3 . 1 1 Conversion from one gas type to another The boiler comes configured for use with methane gas Conversions must only be performed by qualified (G20). It can nevertheless be converted from methane to personnel from 's Technical Assistance Service LPG (G31) using the kit supplied with the boiler.
Page 58 THECNICAL ASSISTANCE SERVICE − Use a TORX key to remove the screws (4) and re- move the gas valve / air intake group from the fan, taking care not to damage the seal (5). − Remove the screws (6) and remove the gas valve (7).
Page 59 THECNICAL ASSISTANCE SERVICE Calibrating combustion parameters Refer to the "Setting combustion parameters" section and the values listed in table 2 to calibrate combustion parameters Labels − Remove the G20 label from the outside of the boiler casing. − Apply the G31 label to the inside of the casing, covering the old G20 label...
Page 60: Setting Functioning Parameters
THECNICAL ASSISTANCE SERVICE 3 . 1 2 Setting functioning parameters CONTROL PANEL: CONTROL OF BOILER, DIRECT CH ZONE AND If an outdoor temperature sensor is connected, the DHW PRODUCTION controller uses the heating curve to generate the CH flow temperature setpoint, thus enabling the boiler to maintain a constant room temperature even without Any additional zones must be configured using the the use of a room unit.
Page 61 THECNICAL ASSISTANCE SERVICE the basis of effective outdoor temperature and directly Compound outdoor temperature is calculated from ef- determines Summer/Winter mode switching (par. 516). fective outdoor temperature and attenuated outdoor temperature. It is calculated at 10 minute intervals on Attenuated outdoor temperature °C Outdoor temperature Attenuated outdoor temperature...
Page 62 THECNICAL ASSISTANCE SERVICE SETTING CENTRAL HEATING PARAMETERS − Press the key: With an outdoor temperature sensor con- nected you can now set the room temperature setpoint. This setting shifts the heating curves (see the second figure on page 60) With no outdoor temperature sensor connected you can now set a fixed boiler temperature setpoint.
Page 63 THECNICAL ASSISTANCE SERVICE ROOM UNIT: CONTROL OF SOLAR SySTEM AND ANy ADDITIO- Used as (parameter . 40) NAL SySTEMS INSTALLED AS ACCESSORIES This parameter can only be set on the room unit. Control lock (parameter. 26) Room unit 1: The room unit serves the circuits defined in If the control lock is activated, you cannot change hea- parameter 42 (Assignment room unit 1), activated in the ting operating mode, DHW mode, or the room tempera-...
Page 64 THECNICAL ASSISTANCE SERVICE START FUNCTION N° Description Default setting 3830 Collector start function 3831 Min run time collector pump Collector start function: if collector temperature cannot be measured accurately when the pump is not running (as can happen especially with pipes in negative pressure), the pump can be switched on at intervals. Min run time collector pump: this function switches the collector pump on for at least the minimum time setting.
Page 65: Error Codes
THECNICAL ASSISTANCE SERVICE 3 . 1 3 Error codes CONTROL PANEL: CONTROL OF BOILER, DIRECT CH ZONE AND DHW PRODUCTION TEMPORARy ERROR DISPLAy − If a temporary error occurs, the display alterna- tes between displaying the time display and the error code −...
Page 66 THECNICAL ASSISTANCE SERVICE PERMANENT ERROR DISPLAy − If a permanent error occurs, the error code flashes on the main display. The controller per- forms a safety shutdown. Example: E154. − Press the to display the error code on the main display. .
Page 67 THECNICAL ASSISTANCE SERVICE ERROR TABLE Error Diagnostic Description of code via Type of fault System action Procedure info error No input code No input code No input code No input code Message Outdoor tem- Check/replace Short circuit in outdoor perature sensor Message outdoor temperature temperature sensor...
Page 68 THECNICAL ASSISTANCE SERVICE Error Diagnostic Description of code via Type of fault System action Procedure info error Burner lockout CH return sensor Short circuit in return (permanent). Check/replace tem- 1 error temperature sensor (B7) Lockout reset re- perature sensor quired Burner lockout CH return sensor Return temperature sen-...
Page 69 THECNICAL ASSISTANCE SERVICE Error Diagnostic Description of code via Type of fault System action Procedure info error Air pressure Short circuit in tempera- Check/replace air sensor error (not Message ture sensor pressure switch used) Air pressure Check/replace air sensor error (not Pressure switch faulty Message pressure switch...
Page 70 THECNICAL ASSISTANCE SERVICE Error Diagnostic Description of code via Type of fault System action Procedure info error Electronic device Dynamic ignition output Contact Technical Message errors faulty Assistance Service Contact Technical Invalid date Internal LMU clock invalid Message Assistance Service Two master clocks Two master clocks found Contact Technical...
Page 71 THECNICAL ASSISTANCE SERVICE Error Diagnostic Description of code via Type of fault System action Procedure info error Water pressure is below Check the water the value set in the pressure; check the Water pressure dpH2OminPuOn parame- Safety shutdown system; check the too low (inactive) ter (minimum pressure pressure switch;...
Page 72 THECNICAL ASSISTANCE SERVICE Error Diagnostic Description of code via Type of fault System action Procedure info error Burner lockout Check the air pressu- Comburent air Fan speed below mini- (permanent). re switch; check the system error Lockout reset re- air intake pipe; check quired the fan Check the air pressu-...
Page 73 THECNICAL ASSISTANCE SERVICE Error Diagnostic Description of code via Type of fault System action Procedure info error Can be a Message or a Safety Shutdown Internal control Software error or internal or a (permanent) Contact Technical board error error burner lockout Assistance Service with manual reset request...
Page 74 THECNICAL ASSISTANCE SERVICE Error Diagnostic Description of code via Type of fault System action Procedure info error OEM parameter not Boiler temperature has editable via QAA. risen more quickly than Generic error. Check Generic error Safety shutdown permitted by parameter the system.
Page 75 THECNICAL ASSISTANCE SERVICE Error Diagnostic Description of code via Type of fault System action Procedure info error Speed thresholds excee- OEM parameter not ded, PH_THL1_1: (N_Vor - Burner lockout Fan speed editable via QAA. Fan N_Vor_Delta), PH_THL1_2: (permanent). threshold not differentials excee- (N_ZL - N_ZL_Delta), Lockout reset re-...
Page 76 THECNICAL ASSISTANCE SERVICE Error Diagnostic Description of code via Type of fault System action Procedure info error OEM parameter not Drift test has exceeded editable via QAA. Software error programmed limit W1 Message Contact Technical (655) Assistance Service OEM parameter not Drift test has exceeded editable via QAA.
Page 77 THECNICAL ASSISTANCE SERVICE ROOM UNIT: CONTROL OF SOLAR SySTEM AND ANy ADDITIONAL SySTEMS INSTALLED AS ACCESSORIES When an error occurs, press the key (6) to display the error message. The message on the display descri- bes the cause of the error. If an error occurs, an alarm may also activate a suitably configured QX...
Page 78 THECNICAL ASSISTANCE SERVICE Error code Description Radio communications Expansion module 1 Expansion module 2 2 master clocks Missing clock reserve Boiler temperature monitoring Lockout for safety thermostat tripped Error High water pressure (not used) 30: Flow sensor 1 Low water pressure (not used) Circuit flow temperature 1 Circuit flow temperature 2 Anti-legionnaires temperature...
Page 79: Complete List Of Parameters
THECNICAL ASSISTANCE SERVICE 3 . 1 4 Complete list of parameters CONTROL PANEL: CONTROL OF BOILER, DIRECT CH ZONE AND DHW PRODUCTION LIST OF END USER LEVEL PARAMETERS N° Description Range Default setting Time of day 0…23.59 h/min Setpoints 5 (*) Line 5 will be hidden when using an additional room unit: Reduced room temperature setpoint 10…30 °C...
Page 80 THECNICAL ASSISTANCE SERVICE LIST OF INSTALLER LEVEL PARAMETERS N° Description Range Default setting Reduced DHW temperature setpoint 20…setpoint DHW °C Release of DHW charging 0=DHW time program 1=24h/24h THIS PARAMETER IS NOT USED IN THIS BOILER DON'T CHANGE THE SETTINGS THIS PARAMETER IS NOT USED IN THIS BOILER DON'T CHANGE THE SETTINGS THIS PARAMETER IS NOT USED IN THIS BOILER...
Page 81 THECNICAL ASSISTANCE SERVICE LIST OF MANUFACTURER LEVEL PARAMETERS N° Description Range Default setting Min. room setpoint Adjustable with external probe connected 10…30 °C Max. room setpoint Adjustable with external probe connected 10…30 °C THIS PARAMETER IS NOT USED IN THIS BOILER DON'T CHANGE THE SETTINGS THIS PARAMETER IS NOT USED IN THIS BOILER DON'T CHANGE THE SETTINGS...
Page 82 THECNICAL ASSISTANCE SERVICE LIST OF MANUFACTURER LEVEL PARAMETERS N° Description Range Default setting g flags (= b7b6b5b4b3b2b1b0) b0=THIS PARAMETER IS NOT USED IN THIS BOILER DON'T CHANGE THE SETTINGS b1=Type of building 0/1=light/heavy b2=Connect probe/thermostat kettle b2=1-------> Thermostat kettle (*) b2=0------->...
Page 83 THECNICAL ASSISTANCE SERVICE LIST OF MANUFACTURER LEVEL PARAMETERS N° Description Range Default setting Set limit for the number of startups (interval) since last service visit 0…9995 Set limit for the number of months (interval) since last service visit 0…255 months Set limit of fan speed for service visit 0…9950 1/min...
Page 84 THECNICAL ASSISTANCE SERVICE 4th past value of Albatros fault code 5th past value of Albatros fault code Current value of Albatros fault code Measured value of ionization current ROOM UNIT: CONTROL OF SOLAR SySTEM AND ANy ADDITIONAL SySTEMS INSTALLED AS ACCESSORIES Range Operating User...
Page 85 THECNICAL ASSISTANCE SERVICE Range Operating User Unit Function Default value line level Range Time prog heating circuit 2 Preselection Mo - Su ¦ Mo - Fr ¦ Sa - Su ¦ Mo ¦ Tu ¦ We ¦ Mo - Su Th ¦...
Page 86 THECNICAL ASSISTANCE SERVICE Range Operating User Unit Function Default value line level Range --.-- 01.01 31.12 gg.mm Operating level Frost protection Frost protection ¦ Reduced Holidays heating circuit 2 Preselection Period 1 ¦ Period 2 ¦ Period 3¦ Period 4¦ Period 1 Period 5¦...
Page 87 THECNICAL ASSISTANCE SERVICE Range Operating User Unit Function Default value line level Range Mixing valve Xp °C Mixing valve Tn Floor curing function Off ¦ Functional heating ¦ Curing heating ¦ Functional/ curing heating¦ Curing/fun- ctional heating ¦ Manually Floor curing setp manual °C Excess heat draw Always...
Page 88 THECNICAL ASSISTANCE SERVICE Range Operating User Unit Function Default value line level Range Optg mode changeover 969 (**) None ¦ Off ¦ Automatic Heating circuit 2 Op line Operating 1010 Comfort cooling setpoint 20.0 °C 1012 line 1016 Op line Operating 1012 Reduced setpoint...
Page 89 THECNICAL ASSISTANCE SERVICE Range Operating User Unit Function Default value line level Range Optg mode changeover 1200 None ¦ Protection ¦ Reduced ¦ Comfort ¦ Protection mode Automatic Heating circuit P Operating mode 1300 Protection ¦ Automatic ¦ Reduced ¦ Automatically Comfort Op line...
Page 90 THECNICAL ASSISTANCE SERVICE Range Operating User Unit Function Default value line level Range Op line BZ 1614 1610 Nominal setpoint °C 1612 Op line 1612 Reduced setpoint °C 1610 1614 Nominal setpoint max °C Release 1620 24h/day ¦ Time programs HCs ¦ Time Time programs HCs program 4/DHW Charging priority...
Page 91 THECNICAL ASSISTANCE SERVICE Range Operating User Unit Function Default value line level Range Swimming pool 2055 Setpoint solar heating °C 2056 Setpoint source heating °C Charging priority solar 2065 No ¦ Yes 2070 Swimming pool temp max °C With solar integration 2080 No ¦...
Page 92 THECNICAL ASSISTANCE SERVICE Range Operating User Unit Function Default value line level Range Prot boil startup boil pump 2261 Off ¦ On Optimum start control 2262 Off ¦ On 2270 Return setpoint min °C 2271 Return setpoint min OEM °C Return influence consumers 2272 Off ¦...
Page 93 THECNICAL ASSISTANCE SERVICE Range Operating User Unit Function Default value line level Range 3572 Mixing valve Tn 3590 Temp differential min − − − − − − / 0 °C Solar 3810 Temp diff on °C 3811 Temp diff off °C 3812 Charg temp min DHW st tank...
Page 94 THECNICAL ASSISTANCE SERVICE Range Operating User Unit Function Default value line level Range Buffer storage tank Auto generation lock 4720 With B4 None ¦ With B4 ¦ With B4 and B42/B41 4721 Auto heat generation lock SD °C 4722 Temp diff buffer/HC °C 4723 Temp diff buffer/CC...
Page 95 THECNICAL ASSISTANCE SERVICE Range Operating User Unit Function Default value line level Range electric immersion heater:operating 5060 mode Substitute Substitute ¦ Summer ¦ Always Electric immersion heater release 24h/ 5061 DHW release day ¦ DHW release¦ Time program4/ DHW El immersion heater control 5062 DHW sensor External thermostat ¦...
Page 96 THECNICAL ASSISTANCE SERVICE Range Operating User Unit Function Default value line level Range Solar controlling element 5840 Charging pump Charging pump ¦ Diverting valve External solar exchanger 5841 Jointly Jointly ¦ DHW storage tank ¦ Buffer6) Relay output QX1 None ¦ Circulating pump Q4 ¦ El imm heater DHW K6 ¦...
Page 97 THECNICAL ASSISTANCE SERVICE Range Operating User Unit Function Default value line level Range Relay output QX3 None ¦ Circulating pump Q4 ¦ El imm heater DHW K6 ¦ Collector pump Q5 ¦ H1 pump Q15 ¦ Boiler pump Q1 ¦ Bypass pump Q12 ¦...
Page 98 THECNICAL ASSISTANCE SERVICE Range Operating User Unit Function Default value line level Range Sensor input BX3 None ¦ DHW sensor B31 ¦ Collector sensor B6 ¦ Return sensor B7 ¦ DHW circulation sensor B39 ¦ Buffer st tank sensor B4 ¦...
Page 99 THECNICAL ASSISTANCE SERVICE Range Operating User Unit Function Default value line level Range Function input EX2 Counter 2nd burner stage ¦ Heat gene- Counter for second 5982 (***) ration lock ¦ Error/alarm message ¦ SLT burner stage error message ¦ Excess heat discharge Cont type input EX2 5983 (***) NC ¦...
Page 100 THECNICAL ASSISTANCE SERVICE Range Operating User Unit Function Default value line level Range Relay output QX22 None ¦ Circulating pump Q4 ¦ El imm heater DHW K6 ¦ Collector pump Q5 ¦ H1 pump Q15 ¦ Boiler pump Q1 ¦ Bypass pump Q12 ¦...
Page 101 THECNICAL ASSISTANCE SERVICE Range Operating User Unit Function Default value line level Range Function of input H2 Optg mode changeover HCs + DHW ¦ Optg mode changeover HCs ¦ Optg mode changeover HC1 ¦ Optg mode changeover HC2 ¦ Optg mode changeover HCP ¦ Heat generation lock ¦...
Page 102 THECNICAL ASSISTANCE SERVICE Range Operating User Unit Function Default value line level Range Air dehumidifier 6135 Off ¦ On Air dehumidifier enable 6136 24h/day ¦ Time progr. heating circuit ¦ 24 h/day Time program 5 6137 Air dehumidifier r.h. ON 6138 Air dehumidifier r.h.
Page 103 THECNICAL ASSISTANCE SERVICE Range Operating User Unit Function Default value line level Range 6650 Outside temp source Errors Reset alarm relay 6710 No ¦ Yes 6740 Flow temp 1 alarm − − − − − − / 10 6741 Flow temp 2 alarm −...
Page 104 THECNICAL ASSISTANCE SERVICE Range Operating User Unit Function Default value line level Range 7170 Telephone customer service Input / output test Relay test No test ¦ Everything off ¦ 1st burner stage T2 ¦ 1st + 2nd burn stage T2/ QX4 (***) ¦...
Page 105 THECNICAL ASSISTANCE SERVICE Range Operating User Unit Function Default value line level Range 8010 State buffer storage tank 8011 State swimming pool Diagnostics cascade 8100 fino a Priority source 1…16 8130 State source 1...16 Missing ¦ Faulty ¦ Manual control active 8101 ¦...
Page 106 THECNICAL ASSISTANCE SERVICE Range Operating User Unit Function Default value line level Range 8531 Hours run collect overtemp 65535 8543 (***) Speed collector pump 2 8547 Collector temp 2 -28.0 °C 8548 Collector temp 2 max -28.0 -28.0 °C 8549 Collector temp 2 min 3500 °C...
Page 107 THECNICAL ASSISTANCE SERVICE Range Operating User Unit Function Default value line level Range 8795 (***) Speed heating circuit pump B 8800 Room temp P 50.0 °C 8801 Room setpoint P 35.0 °C 8802 Room temp P model 50.0 °C 8803 Flow temp setpoint P 140.0 °C...
Page 108 THECNICAL ASSISTANCE SERVICE Range Operating User Unit Function Default value line level Range Relay output QX21 module 2 9053 Off ¦ On Relay output QX22 module 2 9054 Off ¦ On Relay output QX23 module 2 9055 Off ¦ On E=End user I=Commissioning F=Heating engineer O=OEM BZ=Operating line (*) QAA75../78..
Page 109: Disassembling And Cleaning The Boiler
THECNICAL ASSISTANCE SERVICE 3 . 1 5 Disassembling and cleaning the boiler Perform the following operations before beginning any maintenance or cleaning: − Turn electrical power OFF at the mains supply switch and at the control panel before commen- cing disassembly ExTERNAL CLEANING Clean the boiler's casing panels and control panel with a soft cloth damped in soapy water.
Page 110 THECNICAL ASSISTANCE SERVICE Cleaning the storage cylinder The storage cylinder should be serviced once a year to check the condition of the internal parts and the ma- gnesium anode. − Close the DHW circuit shut-off cock. − Remove the front panel from the boiler. −...
Page 111: Troubleshooting
THECNICAL ASSISTANCE SERVICE 3 . 1 6 Troubleshooting FAULT CAUSE SOLUTION − Check that all joints are tight and that There is a smell of gas. Leaks from the supply circuit. the pressure measurement points are closed Check: There is a smell of combustion −...
Page 112 THECNICAL ASSISTANCE SERVICE FAULT CAUSE SOLUTION − Check correct functioning. Boiler settings − Check electrical wiring. − Check positioning of sensors Burner locks out. − Check the vent and bleed valves. No water supply − Check CH circuit pressure. Air in the circuit. −...
Page 113: Useful Information
THECNICAL ASSISTANCE SERVICE 3 . 1 7 Useful information Seller: ..............Installer: .
Page 114 THECNICAL ASSISTANCE SERVICE...
Page 115 THECNICAL ASSISTANCE SERVICE...
Page 116 RIELLO S.p.A. 37045 Legnago (VR) Tel. 0442630111 - Fax 044222378 - 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.

Riello ALUDOMUS SOLAR KV/200 20 ISC SOLAR Installation And Maintenance Manual

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