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Riello INSIEME EVOe LN Series Installation And Maintenance Manual
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Riello INSIEME EVOe LN Series Installation And Maintenance Manual

Riello INSIEME EVOe LN Series Installation And Maintenance Manual

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INSIEME EVOe 25 LN
EN INSTALLATION AND MAINTENANCE MANUAL

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Summary of Contents for Riello INSIEME EVOe LN Series

  • Page 1 INSIEME EVOe 25 LN EN INSTALLATION AND MAINTENANCE MANUAL...
  • Page 2 Catalogue. ance quickly, easily, and correctly. Please accept our thanks and our congratulations on your choice of product. Riello S.p.A. CONFORMITY INSIEME EVOe 25 LN boilers conform to the following directives: − Directive 92/42/EEC on efficiency requirements −...

  • Page 3: Table Of Contents

    CONTENTS 1 GENERAL INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 3 COMMISSIONING AND MAINTENANCE .

  • Page 4: General Information

    GENERAL INFORMATION GENERAL INFORMATION Precautions The operation of any appliance that uses fuel, electrical power General Safety Information and water demands that a number of fundamental safety pre- cautions be respected: After removing the packaging, check the condition and Do not allow children or infirm persons to operate the sys- completeness of the supply.

  • Page 5: Safety And Control Devices

    T067815GE RIELLO S.p.A. Any anomaly which may affect the generator operation forces Via Ing.Pilade Riello 7 37045 Legnago (VR) - ITALY it to stop (lock-out) and is promptly signalled with a numerical error code on the regulator display.

  • Page 6: System Layout

    GENERAL INFORMATION System layout INSIEME EVOe 25 LN Safety valve Main switch Central heating flow Central heating return Control panel Heating expansion reservoir Burner Drain cock Pump 10 Flame inspection window Boiler body 12 Serial number plate 13 Exhaust flue duct 14 Flue gas box cover 15 Lifting bracket 16 Automatic vent valve...

  • Page 7: Oil Pump

    GENERAL INFORMATION BURNER Pump Pressure gauge fitting Burner controller Photoresistor Reset button with lockout indicator 10 Flame pipe Flange with seal Condenser Air damper adjuster screw 12 Motor Air intake 13 Heating element Oil pump pressure adjuster screw OIL PUMP Suction port Return By-pass screw...

  • Page 8: Technical Specifications

    GENERAL INFORMATION Technical specifications DESCRIPTION INSIEME EVOe 25 LN Low temperature central heating Device type B23-B23P-C13(*)-C33(*)-C43(*)- C53(*)-C63(*)-C83(*) Fuel Heating fuel oil (light oil) Combustion chamber vertical Maximum rated heat input at furnace referred to HVC (LCV) 28,1 (26,5) Useful (rated) heat output Maximum useful heat output (80-60°C) 25,3...

  • Page 9: Pump

    GENERAL INFORMATION DESCRIPTION INSIEME EVOe 25 LN Absorbed power supply (max) Consumption at full load Elmax Consumption at part load Elmin Electrical consumption in standby mode LCV: Lower calorific value of fuel HCV: Higher calorific value of fuel Test conditions: −...

  • Page 10: Location Of Sensors

    GENERAL INFORMATION Location of sensors INSIEME EVOe 25 LN Delivery temperature probe Return temperature probe Safety thermostat Pressure transducer...

  • Page 11: Control Panel

    GENERAL INFORMATION 1.10 Control panel Controls interface Door Light guide Rear light display ENTER/RESET key: it allows accessing the main menu and restoring the operation after a stop due to an anomaly Navigation keys Main switch (located on the equipment rear wall) Light Guide displaying STATUS DESCRIPTION...
  • Page 12 GENERAL INFORMATION Display visualisation HEAT °C °F OUTSIDE Icon displayed when heating mode is enabled. Blinking when there is a heat demand Icon displayed when DHW mode is enabled. Blinking when there is an DHW Demand Icon displayed when entering the "Installer" menu Icon displayed when the burner of the equipment is on.

  • Page 13: Installation

    The instruction manual is an integral part of the appliance; therefore, it should be read and stored carefully. Keep the documentation envelope in a safe place. Any re- placement documents must be ordered from Riello S.p.A. who reserve the right to charge for the cost of the replace- ment.

  • Page 14: Moving And Removing The Packing

    INSTALLATION Moving and removing the packing Do not dispose of packaging material into the environment, or leave it within the reach of children, since it can become a potential hazard. Dispose of packaging material in com- Wear suitable personal protection equipment when moving pliance with applicable legislation.

  • Page 15: Installation Premises

    INSTALLATION To move the boiler manually, proceed as follows: These boilers must be installed indoors. They are not de- − Unscrew the screws (1) securing the boiler to the pallet; signed for outside use. − Remove the top panel (2); −...

  • Page 16: Water Connections

    INSTALLATION Water connections Boiler water circuit The following table gives the dimensions and positions of the water fittings for INSIEME EVOe 25 LN boilers. Before installing the boiler, flush out all the pipes of the central heating circuit to remove any machining residues. INSIEME EVOe DESCRIPTION Boiler body...

  • Page 17: Source Water Systems And Configurations

    INSTALLATION 2.8 Source water systems and configurations Diagram 1: circuit with thermal unit connected directly to heating system Isolating valve Thermal unit circulation pump Non-return valve Central heating flow Pressure reducer Central heating return Water softener filter Domestic cold water inlet Expansion tank The safety valves must be connected to a suitable collection and drain system.
  • Page 18 INSTALLATION Diagram 2: circuit with thermal unit connected directly to central heating and DHW production system with storage tank and exter- nal diverter valve PR (*) Isolating valve Central heating return Non-return valve Domestic cold water inlet Pressure reducer Domestic hot water outlet Water softener filter Thermal unit circulation pump Expansion tank...

  • Page 19: Fuel Connections

    INSTALLATION Fuel connections If the oil feed system is in negative pressure, the return line must reach the same height as the suction line. This avoids having to The boiler INSIEME EVOe 25 LN is supplied with two hoses for the install a bottom valve, which would be essential if the return light oil supply to the burner.

  • Page 20: Dual-Pipe System

    INSTALLATION 2.9.1 Dual-pipe system L (m) H (m) Øi (8mm) Øi (10mm) Dual-pipe vacuum systems have a negative fuel pressure (de- pression) at the burner inlet. They typically have the tank at a lower height than the burner. The return line should terminate in the light oil tank at the same level as the suction line;...
  • Page 21 INSTALLATION Single-pipe pressurised systems Single-pipe vacuum systems VIC: Fuel shut-off valve (where provided) VIC: Fuel shut-off valve (where provided) For connecting the electricity, see paragraph "Fuel shut-off valve VIC (not supplied)". For connecting the electricity, see paragraph "Fuel shut-off valve VIC (not supplied)". Where a fuel shut-off valve (VIC) is to be installed on the Where a fuel shut-off valve (VIC) is to be installed on the diesel gas supply circuit to the burner, closure of the valve...

  • Page 22: Preparation For The Condensate Drain

    INSTALLATION 2.10 Preparation for the condensate drain The smoke duct (1) and the chimney (2) must be made in ac- cordance with the standards, current legislation and local reg- ulations. ≥5° Øi 80 INSIEME EVOe 25 LN boilers derive their comburent air from the room in which they are installed.

  • Page 23: Technical Specifications Of Stack

    INSTALLATION 2.10.1 Technical specifications of stack "OPEN" CONFIGURATION OF THE TYPE B BOILER The equipment is supplied as standard in type B configura- The stack must satisfy the following requirements:: tion, hence prepared to suck air directly in the installation room −...
  • Page 24 INSTALLATION Coaxial flues (Ø 80/125) For these configurations, the type C transformation accessory and the concentric flue gas exhaust accessory must be installed (following the instructions supplied with the accessories them- selves). Coaxial flues can be oriented in whatever direction is most con- venient for the room, provided the maximum specified lengths are respected.
  • Page 25 INSTALLATION B23P Type C transformation accessory B53P Concentric flue kit Condensation exhaust system (not supplied) Terminal Maximum straight length Upstream fan. Comburent air intake directly from the (This length must be reduced by 1 metre for every 90° room where the boiler is installed. Flue gas venting via curve and by 0.5 metres for every 45°...

  • Page 26: System Filling And Emptying

    INSTALLATION 2.11 System filling and emptying Fan in combustion circuit upstream from the combustion chamber/heat exchanger. This configuration is used in older system upgrades INSIEME EVOe 25 LN boilers require a filling pipe connected to and with condensing boilers. It allows the system to the central heating circuit return pipe.

  • Page 27: Filling

    INSTALLATION 2.11.2 Filling 2.11.3 Emptying Before emptying: − Set the main switch of the system to OFF and the main switch of the equipment to (0). − Before starting the loading, check that the boiler drain − Close the water supply shut-off cocks; valve (1) is closed.

  • Page 28: Wiring Diagram

    INSTALLATION 2.12 Wiring diagram Mod. INSIEME EVOe 25 LN P W M N.C. N.O. L N PE 3 2 1 CNX1 CNX4 CN X9 CN 25 CN X19 CN X8 CN X21 CN X2 1 2 3 4 5 6 7 8 9101112 6 7 8 910 1 2 3...

  • Page 29: Electrical Connections

    INSTALLATION 2.13 Electrical connections Fuel shut-off valve VIC (not supplied) The INSIEME EVOe 25 LN boiler is fully cabled in the factory. The only connections required for its installation are those of the mains power supply, room thermostat and other optional sys- tem components.
  • Page 30 INSTALLATION − close the door and turn the control panel outwards; − on completion of the electrical connections, replace all removed components in the opposite order. The following is mandatory: − The use of an omnipolar magnetothermic switch, line disconnecting switch in compliance with CEI-EN stand- ards (contact opening of at least 3 mm) −...

  • Page 31: Menu Navigation

    INSTALLATION 2.14 Menu navigation At start-up or when no key is pressed for more than 4 minutes, the display is in “basic display” mode and provides general infor- mation on the equipment operation. In this mode, keys have the following functions: Button Function "+"...

  • Page 32: Enter Password

    INSTALLATION MENU selection Access the “menu” mode by pressing the key “ENTER/RESET” The digits of the small display indicate “0000”, which is the first acces- sible menu. In this mode, keys have the following functions: Button Function "+" Exits from the menu and cancels a parameter change "-"...

  • Page 33: Navigation Scheme

    INSTALLATION 2.16 Navigation scheme "Basic display" mode °C "End user" mode "installer" mode Enter password Example of parameter setting change con rmed change canceled...

  • Page 34: List Of Parameters

    INSTALLATION 2.17 List of parameters Access level: The programming lines can be hidden, according to the access level (User, Installer) and to End user the thermal unit configuration. Installer The parameters of Installer level must be changed only by the Technical Assistance Service Key: Ambient probe DHW Domestic hot water...
  • Page 35 INSTALLATION Default setting Par. Menu Description Range INSIEME EVOe 25 Access 1000 1102 Direct Zone/Zone 1 ambient temperature °C 1000 1112 Zone 1 heating setpoint °C 1000 1201 Zone 2 delivery temperature °C 1000 1202 Zone 2 ambient temperature °C 1000 1212 Zone 2 heating setpoint...
  • Page 36 INSTALLATION Default setting Par. Menu Description Range INSIEME EVOe 25 Access Programmable output 2 0= Disabled 1= 3-way valve with DHW storage tank before the separator 2000 2032 0…3 2= 3-way valve with instant DHW version 3= DHW storage tank pump (see label inside boiler electri- cal panel) Programmable output 4 2000...
  • Page 37 INSTALLATION Default setting Par. Menu Description Range INSIEME EVOe 25 Access Direct Zone / Zone 1 Heating Settings Direct Zone/Zone 1 setpoint in heating mode Par. 2001= 0 If Zone 1 is not ena- and 3 bled: The thermal unit adjustment determines the boiler set- (Par.
  • Page 38 INSTALLATION Default setting Par. Menu Description Range INSIEME EVOe 25 Access Use of Zone 1 control accessory 0 = NO 1 = Yes 3000 3100 0…1 If Zone 1 control accessory is used, AT and AP inputs are not enabled. AT input is used only to enable the night reduc- tion on all the active zones (Par.
  • Page 39 INSTALLATION Default setting Par. Menu Description Range INSIEME EVOe 25 Access Use of Zone 2 control accessory 0 = NO 1 = Yes 3000 3200 0…1 If Zone 2 control accessory is used, AT and OT inputs are not enabled. AT input is used only to enable the night reduc- tion on all the active zones (Par.
  • Page 40 INSTALLATION Default setting Par. Menu Description Range INSIEME EVOe 25 Access Use of Zone 3 control accessory 0 = NO 1 = Yes 3000 3300 0…1 If Zone 3 control accessory is used, AT and OT inputs are not enabled. AT input is used only to enable the night reduc- tion on all the active zones (Par.
  • Page 41 INSTALLATION Default setting Par. Menu Description Range INSIEME EVOe 25 Access Burner anti-freeze protection 2000 2074 0 = NO 0…1 1 = Yes Heating circuit anti-freeze protection 0 = Disabled 1 = Always on (an external sensor must be installed) 2000 2075 0…2...

  • Page 42: Commissioning And Maintenance

    COMMISSIONING AND MAINTENANCE 3 COMMISSIONING AND MAINTENANCE Firmware version of the thermal unit interface. In the example the message indicates a firmware version = 0. Preparing for initial startup The first start-up of the thermal unit must be carried out by the Technical Assistance Service.

  • Page 43: Adjustment Of Heating Setpoint

    COMMISSIONING AND MAINTENANCE 3.2.1 Adjustment of heating setpoint Once the initialization phase is complete, the display switches to “basic display” mode. In this mode, the main information on the equipment opera- − Press the key“+” or “-” to display the current value of the tion is displayed.

  • Page 44: Adjustment Of Domestic Setpoint

    COMMISSIONING AND MAINTENANCE 3.2.4 Adjustment of domestic setpoint T delivery (°C) − Press the key "▲" o "▼" to display the current value of domestic setpoint. Tset max (°C) Par. 2024 °C Setpoint Par. 2103 Tset min (°C) Par. 2023 T outside (°C) −...
  • Page 45 COMMISSIONING AND MAINTENANCE The heating delivery temperature is defined by a setpoint which Parameter 2131 (installer level) varies according to the external temperature and the ambient In-between seasons when the external temperature gets closer temperature on the basis of a climatic curve defined by the fol- to the maximum limit set in Par.
  • Page 46 COMMISSIONING AND MAINTENANCE Parameter 2130 (user level) The equipment works with a variable setpoint defined by the The parallel shift of the climatic curve is used to modify, in a climatic curve (which can be set as described in mode 1) accord- uniform way, the delivery temperature for the whole scale of the ing to the external temperature.

  • Page 47: Setting The Domestic Hot Water Parameters

    COMMISSIONING AND MAINTENANCE Mode 3: continuous operation with fixed setpoint and night re- The parameters regulating such temperature are: duction with ambient thermostat (AT) Par. Description In this mode: 2023 Minimum heating setpoint − External probe is not required. 2024 Maximum heating setpoint −...

  • Page 48: Heat Request Priority

    COMMISSIONING AND MAINTENANCE Domestic hot water request with heater thermostat − Heating circuit anti-freeze protection (Par. 2075): If the When the temperature of the heater thermostat drops below burner stays off for 6 consecutive hours the circulator and the DHW setpoint value (Par. 2041) minus the hysteresis value the 3-way diverting valve of the device will activate for 5 (Par.

  • Page 49: Ignition Failure

    COMMISSIONING AND MAINTENANCE Circulator activation every 24 hours Warnings Every 24 hours the circulator is activated for 30 seconds (only in The text “AttE” is displayed together with the alert number. heating mode 0,1,4). The equipment is not locked out, but its functions may be limit- This function prevents the circulator from getting stuck in a de- ed (according to the alert).

  • Page 50: Burner Control And Adjustment

    COMMISSIONING AND MAINTENANCE 3.3.1 Burner control and adjustment − Check that the thermal unit has come to a complete stop by setting the main switch of the equipment and the ADJUSTING PUMP PRESSURE main switch of the system to “off”. Turn the adjuster screw (1) to achieve the pressure setting spec- ified in the table.

  • Page 51: Burner Functioning And Programming

    COMMISSIONING AND MAINTENANCE 3.3.2 Burner functioning and programming DESCRIPTION VALUE Standby: the burner waits for a heat request Normal functioning Standby time for an input signal: reaction ≤ 1 sec time, control box remains in waiting mode for t1 POWER SUPPLY Initialisation verification time: time following 3,5 sec startup of main power supply...
  • Page 52 COMMISSIONING AND MAINTENANCE Lockout caused by ignition failure DESCRIPTION VALUE Standby: the burner waits for a heat request Standby time for an input signal: reaction ≤ 1 sec POWER SUPPLY time, control box remains in waiting mode for t1 Initialisation verification time: time following 3,5 sec startup of main power supply Checks extraneous light or parasite flame...
  • Page 53 COMMISSIONING AND MAINTENANCE Functioning status display Reset button Seconds Flash Functioning status Reset button LED colour time Pre-ventilation Slow Flashing ORANGE Safety time Slow Flashing GREEN Steady ON Normal functioning position GREEN Extraneous light or false flame signal Slow GREEN, RED alternate flashing Power supply frequency error Steady ON ORANGE...

  • Page 54: Programming Menu

    COMMISSIONING AND MAINTENANCE MAIN BURNER FUNCTIONS POST-PURGING Heating function always on The post-purging function keeps the fan running for a set time The burner is equipped with heating function always on. In case after the burner shuts down provided there is no new heat re- of a heat request, it starts immediately with the start-up se- quest.
  • Page 55 COMMISSIONING AND MAINTENANCE Menu access block diagram BURNER STATE NORMAL FUNCTIONING (FLAME LIT) AND STANDBY TYPE OF SHUTDOWN TEST POST-PURGING CONTROLLED LAST LOCKOUT FUNCTION SHUTDOWN IN MEMORY AND RESTART BUTTON 25 SECS. 5 SECS. 10 SECS. 20 SECS. RELEASE TIME NUMBER OF 2 RED 1 GREEN...

  • Page 56: Shutdown Test

    COMMISSIONING AND MAINTENANCE CONTROLLED SHUTDOWN AND RESTART SHUTDOWN TEST Enabling/disabling sequence: If the reset button is pressed and held down for a time between − programming permitted in NORMAL FUNCTIONING and 5 and 10 seconds during normal functioning, the burner shuts STANDBY mode;...
  • Page 57 COMMISSIONING AND MAINTENANCE EXTRANEOUS LIGHT OR FALSE FLAME SIGNAL FAN MOTOR CONTROL The presence of the parasite flame or the extraneous light can be The burner controller automatically detects the presence of the detected in the standby condition when the burner is stopped fan motor and enters lockout in the event of a fan motor failure.

  • Page 58: Eeprom Control

    COMMISSIONING AND MAINTENANCE 3.4.2 Temporary Errors EEPROM CONTROL The burner controller automatically checks for errors in the mi- Message Error No. Description crocontroller EEPROM and enters lockout if an error is detected. Primary circuit pressure insufficient An error is indicated by the LED flashing (see the “Fault diagnosis (temporary) - lockouts”...

  • Page 59: Temporary Or Short-Term Shut-Down

    COMMISSIONING AND MAINTENANCE Temporary or short-term shut-down Perform the following operations before beginning any mainte- nance or cleaning: In the event of temporary or short-term shut-down (e.g. due to − set the main switch of the system to OFF and the main holidays), proceed as follows: switch of the equipment to (0);...

  • Page 60: Removing The Burner

    COMMISSIONING AND MAINTENANCE REMOVING THE BURNER REMOVING THE BLAST TUBE Proceed as follows to remove the burner: Proceed as follows to remove the blast tube: − Close the fuel shut-off cocks; − Remove the screws (1) and remove the blast tube. −...

  • Page 61: Electrode Positioning

    COMMISSIONING AND MAINTENANCE ELECTRODE POSITIONING REMOVING THE BURNER CONTROLLER The positioning of the ignition electrodes (A) is fundamental to The burner cover has to be removed first in order to remove the obtain reliable flame ignitions. controller. Check their state of wear and correct positioning, as shown in Proceed as follows: the figure, and replace them if necessary.

  • Page 62: Cleaning The Fan

    COMMISSIONING AND MAINTENANCE CLEANING THE FAN When reassembling the fan, it is important to put it back in the correct position (B) and tighten the screw (5). Clean the inside and the rotor blades of the fan unit to re- move any build-up of dust.

  • Page 63: Boiler Exchanger Cleaning

    COMMISSIONING AND MAINTENANCE 3.8.2 Boiler exchanger cleaning − Remove the burner; − Remove the top panel (3); Proceed as follows to access the internal parts of the boiler: − remove the insulating cover (4); − remove the fixing screw (2) and extract the front panel (1); −...

  • Page 64: External Cleaning

    COMMISSIONING AND MAINTENANCE External cleaning − remove the turbulators (7) and check them for wear and fin angle (replace as necessary); − use a flue brush (8) or other suitable tool; Clean the boiler’s casing panels and control panel with a soft cloth damped in soapy water.

  • Page 65: Troubleshooting

    COMMISSIONING AND MAINTENANCE 3.10 Troubleshooting FAULT CAUSE SOLUTION − Check that the burner body is clean − Check that the flue pipes are clean There is a smell of fumes Fumes escaping into the air − Check the condition of the boiler seals −...

  • Page 66: Recycling And Disposal

    RECYCLING AND DISPOSAL TROUBLESHOOTING Problem Diagnostic signal Probable cause Remedy Check voltage at L, N and in power plug No electrical power Check the condition of the fuses Check that the safety thermostat has not tripped The burner does not ignite when heat is The flame detector reads extraneous Eliminate cause of light or false flame...
  • Page 68 RIELLO S.p.A. Via Ing. Pilade Riello, 7 37045 - Legnago (VR) www.riello.com 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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