Unical STILE 27 Instructions For Installation, Maintenance And Use
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Unical STILE 27 Instructions For Installation, Maintenance And Use

Unical STILE 27 Instructions For Installation, Maintenance And Use

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00334578 - 05/13
rev. 0
STILE 27
INSTRUCTIONS
FOR INSTALLATION,
MAINTENANCE
AND USE

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  • Page 1 STILE 27 INSTRUCTIONS FOR INSTALLATION, MAINTENANCE AND USE 00334578 - 05/13 rev. 0...

  • Page 2: Table Of Contents

    7.4.7 Menu 06 - initial load ..................................39 7.4.8 Menu 07 - heat stove status ................................40 7.5 User operating mode ....................................41 7.5.1 Lighting STILE 27 ..................................... 41 7.5.2 Start-up ......................................41 7.5.3 Failed ignition ....................................41 7.5.4 Heat stove working ..................................42 7.5.5 Changing room temperature setting ..............................
  • Page 3 General information 7.7.3 Failed ignition alarm ..................................49 7.7.4 Extinction during working phase alarm ............................49 7.7.5 Screw safety pressure switch alarm ............................. 49 7.7.6 General thermostat alarm ................................50 7.7.7 Flue gas intake fan fault alarm ............................... 50 7.8 Operational mode (technical menu) ................................. 51 7.8.1 Submenu 08 - 01 - 01 ..................................

  • Page 4: General Information

    The appliance is intended to operate in hot air circulation heating systems. Any other use must be considered improper. UNICAL shall not be held liable for any damage resulting from improper use; in this case the user is fully responsible for the risk.

  • Page 5: Safety Warnings

    General information 1.5 - SAFETY WARNINGS ATTENTION! The appliance must be installed, adjusted and maintained by professionally qualified personnel, in compliance with standards and provisions in force. Incorrect installation can cause damage to persons, animals and objects for which the manufacturer cannot be held responsible. DANGER! NEVER attempt performing maintenance or repairs on the heat stove on your own initiative.

  • Page 6: General Warnings

    Any repairs must be performed solely by personnel installation, use and maintenance safety. authorised by Unical using original spare parts only. Failure to comply with the above can jeopardise the safety of the Keep the booklet with care for further consultation.

  • Page 7: Technical Features And Dimensions

    Technical features and dimensions TECHNICAL FEATURES AND DIMENSIONS 2.1 - TECHNICAL FEATURES The heat generator mod. STILE 27 is a steel heating stove operating with wood pellets with the combustion chamber under negative pressure. DESCRIPTION OF COMPONENTS: • Steel heat stove body •...
  • Page 8 Technical features and dimensions Indicative hydraulic diagram fig. 2 M Heating system flow R Heating system return 1 Heating system overpressure valve (2.5 bar) (supplied) 2 Automatic release valve (supplied) 3 Heating system expansion vessel (preloaded at 1 bar) (supplied) 4 System filling tap (not supplied) 5 System shut-off valves (not supplied) 6 Main pump (supplied)
  • Page 9 Technical features and dimensions Hydraulic dimensions and connections with DOMESTIC HOT WATER PRODUCTION KIT 1. Emergency console * fig. 3 2. Front cleaning door equipped with ceramic glass 3. Bottom cleaning cover 4. Main switch with plug 5. Remote control reception antenna 6.
  • Page 10 Technical features and dimensions Indicative hydraulic diagram M Heating system flow fig. 4 F Domestic cold water inlet C Domestic hot water outlet R Heating system return 1 Heating system overpressure valve (2.5 bar) (supplied) 2 Automatic release valve (supplied) 3 Heating system expansion vessel (preloaded at 1 bar) (supplied) 4 System filling tap (not supplied) 5 System shut-off valves (not supplied)

  • Page 11: Technical Data

    Technical features and dimensions 2.3 - TECHNICAL DATA OVERALL OUTPUT (kW) 6,8÷22 NOMINAL OUTPUT (kW) 5,2÷20 THERMOCHEMICAL OUTPUT (kW) 8÷27 ELECTRIC ABSORPTION starting full capacity MAX. WORKING PRESSURE (bar) PELLET TANK CAPACITY (kg) (°C) FLUE GAS TEMPERATURE max. 180°C - min. 80°C (g/s) FLUE GAS MASS FLOW RATE 10,20...

  • Page 12: Main Components

    2.6 - GENERAL INFORMATION The main feature of the STILE 27 heat stove is that of burning natural fuel (pellets) obtained in an environmentally-friendly way from wood industry waste (sawdust, powders). The...
  • Page 13 It is absolutely forbidden to use any solid or liquid fuel other than pellets to feed STILE For best operation of STILE 27, it is recommended to use pellets the quality of which is certified by an authorised body. The use of poor...

  • Page 14: Installation Instructions

    Installation instructions INSTALLATION INSTRUCTIONS 3.1 - GENERAL WARNINGS ATTENTION! The appliance must be installed by a ATTENTION! qualified technician with the technical- This heat stove is intended solely for the professional requirements according to law use for which it was expressly designed. 46/90 who, under his own responsibility, Any other use is to be considered improper guarantees compliance with standards...

  • Page 15: Installation Standards

    Installation instructions 3.2 - INSTALLATION STANDARDS STILE 27 is a heat stove designed to operate with wood pellets. It must be installed according to the following standards: Standard UNI 10683 of 09/2005 Wood or other solid biofuel fed systems. Installation requirements.

  • Page 16: Packaging

    Installation instructions 3.3 - PACKAGING The STILE 27 heat stove is delivered encased on a pallet Unical will not be held liable for damage to persons, animals and protected by cardboard packaging. or objects due to failure to comply with the above instruction.

  • Page 17: Flueconnection

    The minimum height of the pipe connected directly to the flue gas exhaust of STILE 27 is between 2÷3 m; To connect the flue gas exhaust pipe, local and national If a horizontal section is inevitable, it is recommended that standards must be respected (see Standards UNI 7129 and it be no longer than 1.5 m at most and sloping 3÷5% to...

  • Page 18: Exhaust Through External Wall

    One of the installation solutions which can be adopted is that Appropriately insulate the flue gas exhaust pipe in the of positioning STILE 27 near a perimeter wall of the home so section passing through the wall. that flue gas is discharged directly outside. Here are some...

  • Page 19: Exhaust Through Roof By Means Of Traditional Flue

    Installation instructions 3.5.2 - EXHAUST THROUGH ROOF BY MEANS OF TRADITIONAL FLUE Inspectionable soot container with possible condensation drain fig. 8 The pellet combustion flue gas can also be discharged using It is recommended to provide a solid material and/or a traditional pre-existing flue as long it is made up to standard condensation collection chamber which can be inspected (see UNI 10683).

  • Page 20: Connecting Heat Stove To System

    8. heating system are not used as earthing For the STILE 27 heat stove equipped with the domestic hot electrodes of the electric or telephone system. water production kit, see the diagram on page 10.

  • Page 21: Electrical Connections

    Installation instructions ELECTRIC CONNECTIONS General warnings Remember that a bipolar switch must be installed on the heat stove power line with over 3 mm between contacts, easy to access, making The electrical safety of the system is guaranteed only when it maintenance quick and safe.
  • Page 22 Installation instructions PRACTICAL WIRING DIAGRAM Earth Terra TRANSFORMER TRASFORMATORE grigio Grey 230V 50Hz mains Rete 230V 50Hz blue blue brown marrone Ventilatore Flue gas azzurro light blue Fumi marrone brown blue R E L AY RELE Spina Wieland CN13 Wieland Plug grigio Grey...
  • Page 23 Installation instructions PRACTICAL WIRING DIAGRAM (with DHW production kit) summer estate winter inverno power supply alimentazione 230V ~ 50Hz Wieland Wieland Presa Spina socket plug Wieland Wieland Presa Wieland Wieland socket Wieland Wieland Spina Presa socket plug Wieland Wieland Spina Wieland Wieland plug...

  • Page 24: Heat Stove Start-Up

    Commissioning must done To switch the heat stove on and off, see chapter 7.1. professionally qualified personnel. Unical will not be held liable for damage to persons, Information for user animals or objects due to failure to comply with the instruction above.

  • Page 25: Inspection And Maintenance

    Unical spare parts must guarantee its long life. be used. Maintenance of the appliance is mandatory...
  • Page 26 - IMPORTANT! STILE 27 is equipped with an internal heat exchanger unit cleaning system which is controlled by repeatedly pushing the lever in the inner top part of the Warnings pellet combustion chamber.
  • Page 27 Access the pellet tank by lifting the top cover. We recommend using only guaranteed quality pellets: this will allow STILE 27 to work with high efficiency, to save on maintenance and to make your heat stove last longer. fig. 13...

  • Page 28: Troubleshooting

    Inspections and maintenance 6.1 - TROUBLESHOOTING This paragraph provides the purchaser of our product with a quick and efficient guide to understand problems which could arise while using STILE 27. Problem found Possible cause Remedy The remote control display does 1 Batteries missing / discharged.

  • Page 29: Programming Setting

    STILE 27. STILE 27 is lit very easily. After having connected it to the household electric mains, press the ON/OFF key only after having properly connected the product to an adequate water system (see our installation guidelines).

  • Page 30: Remote Control

    Programming setting 7.2 - REMOTE CONTROL The remote control displays information concerning the operating status of STILE 27. By accessing the menu, you can obtain various types of displays and perform the settings available depending on the access level. Depending on the operating mode, the displays can take on different meanings according to the position on the screen.
  • Page 31 Programming setting The figure below, describes the keys of the remote control and the functions linked to them. The set operations are viewed on the display. SET ROOM SENSORE TEMPERATURA TEMPERATURE AMBIENTE DISPLAY DISPLAY ON/OFF ON / OFF EXIT MENU INCREASE ESCI DA MENÙ...

  • Page 32: Function Of Buttons

    Increases the room temperature pressed / modifies output value / increases water temperature ON /OFF WORKING Pressed for 2 seconds, it switches STILE 27 on or off if it is unblock off or on respectively BLOCK Unblocks STILE 27 and switches it off...

  • Page 33: Menu

    Programming setting 7.4 - MENU By pressing key 7 (MENU) you access the menu. This is divided into various items and levels which allow to access board settings and programming. The items of the menus providing access to technical programming are protected by password. 7.4.1 - USER MENU The following table synthetically describes the structure of the menu, in this paragraph focusing only on selections available for the user.
  • Page 34 Programming setting level 1 level 2 level 3 level 4 value 11 - start prog 2 time 12 - stop prog 2 time 13 - Monday prog 2 on / off 14 - Tuesday prog 2 on / off 15 - Wednesday prog 2 on / off 16 - Thursday prog 2 on / off...

  • Page 35: Menu 01 - Set Clock

    Programming setting 03 - choose language 01 - Italian 02 - French 03 - English 04 - German 04 - standby mode on / off 05 - buzzer on / off 06 - initial load 07 - heat stove status —...
  • Page 36 Programming setting Submenu 02 - 02 - daily program Allows to enable, disable and set the daily chronothermostat functions. input menu level input livello di menù 08 : 15 M-2-2-02 START 1 GIORNO dialogue fig. 19 dialogo It is possible to set two operating time periods delimited by the times set according to the following table where the OFF setting tells the clock to ignore the control: selection...
  • Page 37 Programming setting The weekly programmer has 4 independent programs whose final effect is composed of the combination of 4 single programs. The weekly programmer can be activated or deactivated. Furthermore, by setting OFF in the time field, the clock ignores the corresponding command.
  • Page 38 Programming setting PROGRAM 3 menu level selection meaning possible values 02-03-20 START PROG 3 activation time time - OFF 02-03-21 STOP PROG 3 deactivation time time - OFF 02-03-22 MONDAY PROG 3 on / off 02-03-23 TUESDAY PROG 3 on / off 02-03-24 WEDNESDAY PROG 3 on / off...

  • Page 39: Menu 03 - Choose Language

    Programming setting SUGGESTION: in order to avoid confusion and unwanted starting and stopping operations, activate one program at a time if you do not know exactly what you want to achieve. Deactivate the daily program if you wish to use the weekly program. Always keep the weekend program deactivated if you use the weekly program in programs 1, 2, 3 and 4.

  • Page 40: Menu 07 - Heat Stove Status

    Programming setting 7.4.8 - MENU 07 - heat stove status Displays the instant status of the heat stove providing the status of timer 1 time-out the various devices connected to it. Various pages are available displayed one after another. 10” 82’...

  • Page 41: User Operating Mode

    STILE 27 carries out the starting phases in sequence according to the modes defined by the parameters which manage their levels and times. 7.5.3 - FAILED IGNITION After 20 minutes have elapsed, if the flue gas temperature has not reached the minimum allowed value + 2°C, STILE 27 goes into the alarm status.

  • Page 42: Heat Stove Working

    If you wish to use an external room thermostat, perform the connection on the back of the heat stove on the pin marked “room thermostat” in terminals T1 and T2. · external thermostat: on STILE 27, set a temperature of 7°C. · external chronothermostat: on STILE 27, set a temperature of 7°C and disable the chrono functions from the menu 03-01.

  • Page 43: Changing Water Temperature Setting

    16 : 40 27°C LAVORO MODULA output dialogue dialogo potenza fig. 32 If the STANDBY mode has been activated, STILE 27 switches off; namely is placed in STANDBY, with a 5 minute delay and after having exceeded the value (T + 2°C).

  • Page 44: The Water Temperature Reaches The Set Temperature (Set Water Temperature)

    7.5.10 - RESTARTING AFTER EXTINCTION HAVING REACHED SET ROOM AND/OR WATER TEMPERATURE After the STANDBY extinction, STILE 27 places itself in cooling condition bringing the flue gas intake fan to a maximum. See figure 21. The restarting conditions are: Air: - 2°C) and simultaneously Tflue gas <...

  • Page 45: Cleaning The Brazier

    35 7.5.12 - HEAT STOVE EXTINCTION To switch STILE 27 off, just press button 3 for about 2 seconds. The feed screw stops immediately and the flue gas extractor switches to high speed. The FINAL CLEANING phase is performed.

  • Page 46: Heat Stove Off

    Programming setting 7.5.13 - HEAT STOVE OFF room temperature clock orologio temperatura ambiente 21 : 10 22°C SPENTO output dialogue dialogo potenza fig. 37 7.5.14 - RE-IGNITION OF THE HEAT STOVE It will not be possible to restart the heat stove until the flue gas temperature has dropped below 50°C and 5 minutes have passed.

  • Page 47: What Happens If

    7.6.2 - ELECTRIC POWER IS MISSING If the mains voltage is missing for over 60 seconds, when it is restored, STILE 27 will place itself in the FINAL CLEANING status and remains in standby until the flue gas temperature has dropped to 50°C, then signalling the blackout alarm.

  • Page 48: Alarms

    The alarm status is reached after 30 seconds and can be reset by pressing the key 3. 7.7.1 - FLUE GAS TEMPERATURE PROBE ALARM Triggers when the probe detecting flue gas is faulty or disconnected. During the alarm condition, STILE 27 performs the extinction procedure.

  • Page 49: Failed Ignition Alarm

    Programming setting 7.7.3 - FAILED IGNITION ALARM Triggered when the ignition phase fails. 12 : 42 22°C ALARM NO ACC fig. 43 The extinction procedure is activated immediately. 7.7.4 - EXTINCTION DURING WORKING PHASE ALARM If during the working phase the fire goes out and the flue gas temperature drops below the minimum working threshold of 50°C, the alarm triggers.

  • Page 50: General Thermostat Alarm

    Programming setting 7.7.6 - GENERAL THERMOSTAT ALARM Should the pellet safety thermostat detect a temperature higher than the triggering threshold, it intervenes switching the feed screw off (in series with its power supply) and simultaneously, via the terminal AL1 in CN4, allows the controller to acquire this status change.

  • Page 51: Operational Mode (Technical Menu)

    Programming setting 7.8 - OPERATING MODE (TECHNICAL MENU) To access the TECHNICAL MENU, press the button (7) MENU and scroll the various submenus with the keys 1 and 2 keys until the level 08 menu appears as in the following figure. MEnu 08 TARATURE TECNICO...
  • Page 52 Programming setting level 1 level 2 level 3 level 4 value 05 - outputs test 01 - igniter test value 02 - screw test value 03 - flue gas test value 04 - pump test value 05 - fan 2 test (*) value 06 - fan 3 test (*) value...

  • Page 53: Submenu 08 - 01 - 01

    Programming setting 7.8.1 - Submenu 08 - 01 - 01 M-8- 1-01 CARICA PELLET Select the pellet feeding variation value with 1 and 2. Confirm with 7. fig. 49 7.8.2 - Submenu 08 - 02 - 01 chimney type M-8- 2-01 ASP-FUMI CAMINO fig.

  • Page 54: Submenu 08 - 08 Alarm Reset

    Programming setting 7.8.8 - Submenu 08 - 08 alarm reset Cancels the memory of the latest alarms triggered. Accessible only with password. 7.8.9 - Submenu 08 - 09 counter memories By pressing the keys 6 and 5, the following memory records are displayed in sequence: •...
  • Page 55 Programming setting ANNEX A: Parameters table The following is a table of the parameters. The values indicated in the column on the right refer to some of the existing DATABASES which can undergo variations depending on the version. Unit of Admitted value Menu Parameter...
  • Page 56 Programming setting Unit of Admitted value Menu Parameter Description measurement range level Pr25 M-8-6-25 Heat exchanger 1 motor speed during volt 67 ... 225 working at output 3 185 185 185 185 Pr26 M-8-6-26 Heat exchanger 1 motor speed during volt 68 ...
  • Page 57 Programming setting How to interpret timing parameters Pr04, ecc. Pr04, ecc. Pr04, ecc. of the feeding screw The feeding screw operating control is timed and is structured as follows: A period is defined T= 8s. In this period, the motor is activated for the time Pr04, Pr05, Pr06, Pr07, Pr08, Pr09 and Pr10 according to the operational phase.
  • Page 58 Programming setting Boiler working phase Fase di lavoro della caldaia WORKING WORKING PULIZIA BRACIERE LAVORO CLEANING BRAZIER LAVORO from from Pr06 Pr06 Pr06 Pr06 Pr10 Pr10 Pr10 Pr10 da Pr18 a Pr22 Pr22 da Pr18 a Pr22 from Pr18 to Pr22 from Pr18 to Pr22 da Pr23 a Pr27 from Pr23 to Pr27...
  • Page 59 Notes...
  • Page 60 46033 casteldario - mantova - italy - tel. 0376/57001 (r.a.) - telefax 0376/660556 www.unical.eu - info@unical-ag.com Unical will not be held responsible for possible inaccuracies if due to transcription or printing errors. It also reserves the right to modify its products as deemed necessary or useful, without jeopardising their essential features.

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