MCZ LINEA Comfort Air Installation Manual

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INSTALLATION GUIDE

SEALED PELLET STOVE

LINEA Comfort Air

PART 1 - REGULATIONS AND ASSEMBLY

Instructions in English

Table of Contents

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Page 1 INSTALLATION GUIDE SEALED PELLET STOVE LINEA Comfort Air PART 1 - REGULATIONS AND ASSEMBLY Instructions in English...
Page 2: Table Of Contents
TABLE OF CONTENTS TABLE OF CONTENTS ....................II INTRODUCTION ......................1 1-WARNINGS AND WARRANTY CONDITIONS ..............2 2-INSTALLATION ......................8 3-DRAWINGS AND TECHNICAL FEATURES ..............17 4-UNPACKING ......................19 5 - CONNECTING THE SMOKE OUTLET PIPE ..............22 6-COMFORT AIR ......................28 7-CLADDING INSTALLATION/REMOVAL ...............32 8-OPENING THE DOORS .....................39 9-CONNECTIONS TO ADDITIONAL DEVICES ..............40 10-LOADING THE PELLETS ..................42...
Page 3: Introduction
REVISIONS TO THE PUBLICATION The content of this manual is strictly technical and the property of MCZ Group Spa. No part of this manual may be translated into other languages, adapted or reproduced, even in part, in other mechanical or electronic forms, photocopies, recordings or other, without the prior written authorisation from MCZ Group Spa.
Page 4: 1-Warnings And Warranty Conditions
1-WARNINGS AND WARRANTY CONDITIONS SAFETY PRECAUTIONS • Installation, electrical connection, operating test and maintenance must only be carried out by authorised and qualified personnel. • Install the product in accordance with all local and national legislation and regulations in force in the region or state. • Only use the fuel recommended by the manufacturer.
Page 5 1-WARNINGS AND WARRANTY CONDITIONS • Do not put linen on the product to dry. Any drying racks or the like must be kept at a safe distance from the product. Fire hazard. • All liability for improper use of the product is entirely borne by the user and relieves the Manufacturer of any civil and criminal liability.
Page 6 1-WARNINGS AND WARRANTY CONDITIONS exposed to weathering. • It is recommended not to remove the feet that support the product in order to guarantee adequate insulation, especially if the flooring is made of flammable materials. • In the event of a malfunction of the ignition system, do not force it to light by using flammable materials.
Page 7 1-WARNINGS AND WARRANTY CONDITIONS INFORMATION: Please contact the retailer or qualified personnel authorised by the company to resolve a problem. • You must only use the fuel specified by the manufacturer. • When the product is switched on for the first time it is normal for it to emit smoke due to the paint heating for the first time. Therefore make sure the room in which it is installed is well ventilated.
Page 8 1-WARNINGS AND WARRANTY CONDITIONS EXCLUSIONS The warranty does not cover malfunctions and/or damage to the appliance that arise due to the following causes: • Damage caused during transportation and/or handling • all parts that develop faults due to negligence or improper use, incorrect maintenance, installation that does not comply with the manufacturer’s instructions (always refer to the installation guide provided with the appliance) •...
Page 9 1-WARNINGS AND WARRANTY CONDITIONS SPARE PARTS In the event of a malfunction, consult the retailer who will forward the call to the Technical Assistance Department. Only use original spare parts. The retailer or service centre can provide all necessary information regarding spare parts. We do not recommend waiting for the parts to get worn out before having them replaced.
Page 10: 2-Installation
2-INSTALLATION The instructions in this chapter refer explicitly to the Italian installation regulation UNI 10683. In any case, always observe the regulations in force in the country of installation. PELLETS Wood pellets are manufactured by hot-extruding compressed sawdust which is produced during the working of natural dried wood. The compactness of the material is guaranteed by the lignin contained in the wood itself and allows pellets to be produced without glue or binders.
Page 11 2-INSTALLATION FOREWORD The installation position must be chosen according to the room, smoke extraction system and flue. Check with local authorities whether there are any restrictive regulations in force regarding the combustion air inlet, the smoke outlet system, the flue or the chimneypot. The manufacturer declines all responsibility in the event of installations that do not comply with the laws in force, incorrect room air exchange, electrical connection non-compliant with the standards and inappropriate use of the appliance.
Page 12 2-INSTALLATION FOREWORD The Chimney Flue chapter has been drawn up with reference to the provisions of European Standards (EN13384 - EN1443 - EN1856 - EN1457). The chapter provides indications for installing an efficient and correct flue but is under no circumstances to substitute the regulations in force, which the qualified technician must be in possession of.
Page 13 2-INSTALLATION TECHNICAL CHARACTERISTICS Have the efficiency of the flue checked by an authorised technician. The flue must be sealed against flue gasses, in a vertical direction without narrowing, be made with materials impermeable to smoke, condensation, thermally insulated and suitable to resist normal mechanical stress over time (we recommend fireplaces made of A/316 or refractory material with insulated round section double chamber).
Page 14 2-INSTALLATION ROOF AT 60° ROOF AT 45° 45° 60° A = MIN. 2.60 metres A = MIN. 2.00 metres FIGURE 5 FIGURE 6 B = DISTANCE > 1.20 metres B = DISTANCE > 1.30 metres C = DISTANCE < 1.20 metres C = DISTANCE <...
Page 15 2-INSTALLATION MAINTENANCE The flue must be kept clean, since the deposit of soot or unburned oils reduces the cross-section reducing the draught and thus compromising the efficient operation of the stove and, if large build-ups accumulate, can catch fire. The flue and chimney pot must be cleaned and checked by a qualified chimney sweep at least once a year.
Page 16 2-INSTALLATION EXTERNAL AIR INLET It is mandatory to provide an adequate external air inlet that supplies the combustion air required for the product to work properly. The flow of air between the outside and the installation room may be direct, through an inlet in an external wall of the room (preferable solution see Figure 9 a);...
Page 17 2-INSTALLATION DISTANCE (metres) The air inlet must be at a distance of: 1.5 m BELOW Windows, doors, smoke outlets, cavities, ..1.5 m HORIZONTALLY Windows, doors, smoke outlets, cavities, ..0.3 m ABOVE Windows, doors, smoke outlets, cavities, ..1.5 m AT A DISTANCE from smoke outlet CONNECTION TO THE FLUE...
Page 18 2-INSTALLATION EXAMPLES OF CORRECT INSTALLATION 1. Installation of Ø120mm flue with hole for the passage of the pipe increased by: minimum 100mm around the pipe if next to non flammable parts such as cement, brick, etc.; or minimum 300mm around the pipe (or as required by rating plate) if next to flammable parts such as wood etc.
Page 19: 3-Drawings And Technical Features
3-DRAWINGS AND TECHNICAL FEATURES DRAWINGS AND CHARACTERISTICS COMFORT AIR LINEA STOVE DIMENSIONS Ø60 Ø60 Ø80 Ø50 117 Ø80 Technical Dept. - All rights reserved - Reproduction prohibited...
Page 20 3-DRAWINGS AND TECHNICAL FEATURES TECHNICAL CHARACTERISTICS COMFORT AIR LINEA Nominal output power 8.8 kW (7568 kcal/h) Minimum power output 2.6 kW (2236 kcal/h) Efficiency at Max 90.9% Efficiency at Min 89.8% Temperature of exhaust smoke at Max 186 °C Temperature of exhaust smoke at Min 104°C Particulate/OGC/Nox (13%O 20 mg/Nm3 - 1 mg/Nm3 - 117 mg/Nm3...
Page 21: 4-Unpacking
4-UNPACKING PREPARATION AND UNPACKING The packaging consists of a recyclable cardboard box in line with RESY standards and a wooden pallet. All packaging materials can be reused for similar use or eventually disposed of as urban solid waste, in compliance with the regulations in force. After having removed the packaging make sure the product is intact.
Page 22 4-UNPACKING REMOVING THE FASTENING BRACKETS To remove the stove from the pallet, you must remove the two screws “u” and plate “s” from the stove’s foot. There are four brackets “s”.
Page 23 4-UNPACKING Position the stove and connect it to the flue pipe. Use the 4 adjustable feet (J), to level the stove correctly so that the smoke outlet is lined up with the connecting pipe. If the stove needs to be connected to an outlet pipe which goes through the rear wall (to connect to the flue), take utmost care to make sure that the joint is not forced.
Page 24: Connecting The Smoke Outlet Pipe
5 - CONNECTING THE SMOKE OUTLET PIPE The stove is not factory-fit with any smoke pipe outlet connection. When installing the product, it is possible to choose whether to install the outlet on the top or at the back. TOP OUTLET Proceed as follows in order to install the smoke outlet at the top: •...
Page 25 5 - CONNECTING THE SMOKE OUTLET PIPE • insert pipe “B” into the smoke fan inlet • tighten the screw “s” resting against the pipe “B” to prevent the pipe from vibrating; • go ahead with the installation of the stove. Technical Dept.
Page 26 5 - CONNECTING THE SMOKE OUTLET PIPE • position the upper top “C” and cover the hole between the pipe and the outer top with element “E” (piece “E” is supplied with the stove and is found in the bag together with the manuals)
Page 27 5 - CONNECTING THE SMOKE OUTLET PIPE REAR OUTLET Proceed as follows in order to install the smoke outlet at the back: • use a drill to make holes in line with the three holes in plate “F” and remove it Technical Dept.
Page 28 5 - CONNECTING THE SMOKE OUTLET PIPE • After removing plate “F” from inside, remove the corresponding plate “G” and drill the corresponding three holes (it is not necessary to remove the back of the stove)
Page 30: 6-Comfort Air
6-COMFORT AIR Comfort Air ducting Comfort Air stoves can channel the air into other rooms through the connection with the accessory pipes. It is possible to channel one or two outlets. If you do not want to channel hot air, it is input into the room through the front grid of the stove. Proceed as follows for channelling: •...
Page 32 6-COMFORT AIR • turn the pipe in order to make it exit from the hole on the back • secure the pipe with the screw and bracket...
Page 33 6-COMFORT AIR • using the supplied screws, secure the mirrored knockout hole so that the two holes provided on the back are used in order to secure it. Technical Dept. - All rights reserved - Reproduction prohibited...
Page 34: 7-Cladding Installation/Removal
7-CLADDING INSTALLATION/REMOVAL The stove is delivered without the two side panels of the cladding, as shown in the image below. The following are indications for installing the cladding and removing some parts of the stove for technical interventions, parts replacement and/or cleaning. Live electrical parts: only power the product once it has been fully assembled.
Page 35 7-CLADDING INSTALLATION/REMOVAL DISASSEMBLING THE TOP In order to assemble side panel “A”, you must remove top “C”. Proceed as follows: • lift pellet cover “J” • loosen the two screws “x” in order to remove panel “C” from slots “y” Technical Dept.
Page 36 7-CLADDING INSTALLATION/REMOVAL • the outer part of the top is secured to the structure by means of two magnets “m” • then lift top “C” and remove it from screws “x”, which were previously loosened...
Page 37 7-CLADDING INSTALLATION/REMOVAL RIGHT SIDE PANEL ASSEMBLY To install the right side panel “A”, proceed as follows: • remove the top (as described previously) • take a side panel “A” • insert the lower part “v” of panel “A” into the bracket provided on the stove “u” Technical Dept.
Page 38 7-CLADDING INSTALLATION/REMOVAL • in the upper part; use the supplied screws “x” to secure panel “A” to the stove’s structure...
Page 39 7-CLADDING INSTALLATION/REMOVAL ASSEMBLY OF LEFT SIDE PANEL To install the left side panel “A”, proceed as follows: • lift the pellet cover • take a side panel “A” • insert the lower part “v” of panel “A” into the bracket provided on the stove “u” Technical Dept.
Page 40 7-CLADDING INSTALLATION/REMOVAL • in the upper part; use the supplied screws “x” to secure panel “A” to the stove’s structure...
Page 41: 8-Opening The Doors
8-OPENING THE DOORS The stove has two doors; to open the decorative door “P” and/or the firebox door “Q”, insert the cold handle “z” in the slot and pull. Attention! Only open the doors when the stove is switched off and cold. DECORATIVE DOOR “P”...
Page 42: 9-Connections To Additional Devices
9-CONNECTIONS TO ADDITIONAL DEVICES USB SOCKET There is a USB socket on the front of the stove, if a software update is required; the ceramic/metal parts do not have to be removed to reach the socket directly in the circuit board. Open the decorative door.
Page 43 9-CONNECTIONS TO ADDITIONAL DEVICES ELECTRICAL CONNECTION First connect the power cable to the back of the stove and then to a wall socket. The main switch must only be activated to switch the stove on; otherwise, it is advisable to keep it switched off. It is recommended to disconnect the power cable when the stove is not used.
Page 44: 10-Loading The Pellets
10-LOADING THE PELLETS LOADING THE PELLETS Fuel is loaded from the upper part of the stove by lifting the pellet loading door “J” and cover “K”. Use the supplied glove to open the door “J”. Pour the pellets in slowly so that they are deposited at the bottom of the hopper. If loading pellets when the stove is running, open the door of the tank using the glove supplied with the stove itself.
Page 48 MCZ GROUP S.p.A. Via La Croce n°8 33074 Vigonovo di Fontanafredda (PN) – ITALY Telephone: 0434/599599 a.s. Fax: 0434/599598 Internet: www.mcz.it e-mail: mcz@mcz.it 8901716700 REV.0 31/10/2017...
Page 49 INSTALLATION GUIDE SEALED PELLET STOVE LINEA Comfort Air PART 2 - OPERATION AND CLEANING Instructions in English...
Page 50 TABLE OF CONTENTS TABLE OF CONTENTS ....................II 11-FIRST START-UP .....................3 12-SYSTEM REQUIREMENTS ..................4 13-FIRST APP START-UP AND ASSOCIATION WITH MCZ STOVES ........5 14-STOVE ACCESSORY CONFIGURATION ................8 15-EMERGENCY PANEL ....................10 16-EMERGENCY PANEL FUNCTIONS ................11 17-MANUAL CONFIGURATION ..................12 18-APP FUNCTIONS....................13 19-BASIC SET SCREEN ....................17 20-OPERATION SCREEN .....................26...
Page 51: 11-First Start-Up
11-FIRST START-UP PRECAUTIONS BEFORE START-UP GENERAL PRECAUTIONS Remove all parts that may burn from the brazier and the glass (manual, various adhesive labels or any polystyrene). Check that the brazier is positioned correctly and rests properly on the base. The first start-up may not be successful as the feed screw is empty and does not always manage to load the brazier with the required amount of pellets in time to light the flame.
Page 52: 12-System Requirements
12-SYSTEM REQUIREMENTS The MCZ Maestro App is already available on the “Handheld remote control” accessory or will be available in various playstores. STOVE Equipped with MAESTRO system OPERATION With Maestro it is all included and there are no extra costs for the Wi-Fi kit.
Page 53: 13-First App Start-Up And Association With Mcz Stoves
13-FIRST APP START-UP AND ASSOCIATION WITH MCZ STOVES The app lets you communicate with MCZ stoves using two technologies: • home Wi-Fi • remote Wi-Fi HOME WI-FI Point-to-point connection between the telephone and the stove, to communicate with the stove without relying on routers or internet connections.
Page 54 13-FIRST APP START-UP AND ASSOCIATION WITH MCZ STOVES IMPORTANT!! Do not lose or remove the QR code from the stove. If the stove is reset and/or the smartphone and/or handheld remote control are changed, you must have the QR code and passwords available to configure the system.
Page 55 13-FIRST APP START-UP AND ASSOCIATION WITH MCZ STOVES MANUAL MODE The QR code and the passwords are located at the back of the stove and in the warranty. In this case, the codes must be used. If the stove cannot be configured using the QR code, it can be done using the DIRECT or REMOTE key.
Page 56: 14-Stove Accessory Configuration
In order to configure the accessories, the mobile phone must be near the accessories. CONFIGURATION OF REMOTE WI-FI MODULE FROM MCZ MAESTRO APP To do this connect to the stove in home mode through the app. From the “setup” / “basic setup” menu, select the configure accessories item: if there are still accessories to be configured, the two keys can be selected.
Page 57 14-STOVE ACCESSORY CONFIGURATION CONFIGURATION OF WI-FI TEMPERATURE PROBE FROM MCZ MAESTRO APP The Wi-Fi temperature probe is supplied without batteries. From when the batteries are inserted, the probe can be configured within the next 5 minutes, therefore insert the three AA batteries shortly before you are ready to proceed with the configuration.
Page 58: 15-Emergency Panel
15-EMERGENCY PANEL A - MULTICOLOUR LED B - BUTTON - functions Green LED that indicates: Turns the product ON • Stove in OPERATION Turns the product OFF Red LED that indicates: Changes the operating POWER: • Stove OFF • 1 beep = LOW •...
Page 59: 16-Emergency Panel Functions
16-EMERGENCY PANEL FUNCTIONS The emergency panel provides the following information: • through a multicolour LED (A) it provides information about the stove status (off-starting-up-in operation-cooling for shutdown-in error conditions) • using the button (B) the following functions can be activated: •...
Page 60: 17-Manual Configuration
(on the QR code label) Once the Wi-Fi probe is connected, you can configure the stove to use the remote sensor; to do so, open the MCZ MAESTRO APP, connect to your previously configured stove, use the shortcut by clicking on the temperature indicator at the top right of the app screen and select the “Wi-Fi probe”...
Page 61: 18-App Functions
18-APP FUNCTIONS Once the devices are configured, the App will automatically try to connect to the last device used. If connection is successful, the App will display the “I/O” screen. It is possible to switch on and use all stove functions from here. If it tries to connect to the last device connected and something goes wrong, the App will display the list of configured devices.
Page 62 18-APP FUNCTIONS HOME SCREEN To access the AUTO and MAN functions screen, press the key shown in the image. From this screen, it is possible to manage the operating mode: • manual operation • automatic operation AUTOMATIC OPERATION In automatic mode, it is possible to set the desired room temperature and ecostop function MANUAL OPERATION In manual mode, it is possible to set the flame power.
Page 63 18-APP FUNCTIONS FAN SCREEN This screen manages the fan power of each single fan. There are 5 power levels that can be set. Each fan has the option of automatic operation and the option to switch off the fan If ventilation is MANUALLY set, the function which limits the maximum power of the stove according to the ventilation is enabled. COMFORT AIR (3 FANS): maximum power level = total of the levels of ventilation/2.
Page 64 18-APP FUNCTIONS VENTILATION - SILENT FUNCTION SCREEN The SILENT function allows the stove to operate at the minimum power throughout the night, with no room ventilation. This function is only available in AUTO and MAN mode(not in TIMER mode). The function is enabled by pressing the silent mode key. Once the function is activated, the flame power goes to 1 and the ventilation switches off within about 10 minutes.
Page 65: 19-Basic Set Screen
19-BASIC SET SCREEN SET SCREEN The SET menu includes: • BASIC SETTINGS • OPERATION • SETTINGS • TECHNICAL MENU • SOFTWARE VERSION • INFO The following functions are available in the BASIC SETTINGS menu: • LANGUAGE • DATE AND TIME •...
Page 66 19-BASIC SET SCREEN LANGUAGE SCREEN The system displays the languages available when accessing the LANGUAGE menu. Select the desired language. key takes you back to the previous page.
Page 67 19-BASIC SET SCREEN DATE AND TIME SCREEN Press the DATE AND TIME key to access the screen to edit data. After setting the data, press SAVE and exit the screen. Technical Dept. - All rights reserved - Reproduction prohibited...
Page 68 19-BASIC SET SCREEN C°/F* SCREEN It is possible to set the Centigrade or Fahrenheit temperature from this screen.
Page 69 19-BASIC SET SCREEN ROOM INPUT SCREEN Room input is used to set the Wi-Fi probe, thermostat or room probe. Click the drop-down menu to select the desired option. Technical Dept. - All rights reserved - Reproduction prohibited...
Page 70 19-BASIC SET SCREEN WI-FI PROBE SCREEN This screen configures the frequency (in minutes) and shows the last connection made.
Page 72 19-BASIC SET SCREEN LIST OF DEVICES SCREEN This screen displays which devices have been configured. Only the device depicting the icon of a stove next to it can be selected.
Page 73 19-BASIC SET SCREEN ACCESSORIES SCREEN From this screen, it is possible to configure the following: • REMOTE CONFIGURATION • T PROBE CONFIGURATION Refer to Chapter 3 (“Configure stove accessories”) for the method. REMOTE CONFIGURATION T PROBE CONFIGURATION Technical Dept. - All rights reserved - Reproduction prohibited...
Page 74: 20-Operation Screen
20-OPERATION SCREEN OPERATION SCREEN The OPERATION menu can be found in the SET menu, which enables you to set/edit the following functions: • ECO STOP • SLEEP • TIMER...
Page 75: 21-Eco Stop
21-ECO STOP From the ECO STOP menu, it is possible to set and/or edit delayed activation (min) and Restarting hysteresis (C°). ECO is an automatic mode with the only difference that if the set temperature is reached and remains so for the time (in minutes) that was selected from the delayed activation drop-down menu (value ranging between 5 and 30 minutes), the product switches off and remains on stand-by until the room temperature drops below the...
Page 76: 22-Sleep
22-SLEEP Sleep function The sleep mode allows to quickly set the time at which the product must switch off. This function is only available in MAN and AUTO mode. To disable the SLEEP mode, simply access the settings and decrease the time.
Page 77: 23-Timer
23-TIMER Select this operating mode to switch the product on and off automatically. The programs are freely programmable for each 1/2 hour of the day on three different temperature indicators (T1-T2-T3) and in different ways for each day of the week. Technical Dept.
Page 78 23-TIMER Temperature selection option (T1-T2-T3)
Page 80 23-TIMER Option to set different temperatures for different days of the week and different time bands.
Page 81: 24-Settings Menu
24-SETTINGS MENU It is possible to edit the following parameters from the SETTINGS menu: • ACTIVATE FEED SCREW • RECIPES • SUMMER/WINTER Technical Dept. - All rights reserved - Reproduction prohibited...
Page 82: 25-Activate Feed Screw
25-ACTIVATE FEED SCREW Feed screw loading function This function, which can only be activated with the stove off, enables you to load pellets into the loading system (feed screw), and is used every time pellets in the tank run out. It is useful to prevent failed start-ups (alarm A01) due to the hopper being empty.
Page 83: 26-Recipes
26-RECIPES Modifying the pellet recipe and air recipe This function is for adapting the stove to the type of pellet in use. In fact, since there are many types of pellets on the market, operation of the stove varies significantly depending on the good or poor quality of the fuel. The amount of pellets in the brazier can be increased or reduced: • If the pellets tend to jam in the brazier due to an excess of fuel • If the flame is increasingly higher even at low power values...
Page 84: 27-Summer/Winter
27-SUMMER/WINTER Option to select the operating season.
Page 85: 28-Technical Menu
28-TECHNICAL MENU Since it is password protected, the technical menu is accessed by a specialised MCZ technician. Technical Dept. - All rights reserved - Reproduction prohibited...
Page 86 28-TECHNICAL MENU The main functions that can be edited and/or checked from the technical menu are: • PARAMETERS • ACTIVE ON/OFF • DIAGNOSTIC • SELECT DATABASE • RESET DEFAULT • RESET SERVICE • LAST ALARMS • WORKING HOURS • SERIAL BAUD...
Page 87: 29-Software Version
29-SOFTWARE VERSION The SOFTWARE VERSION option is found in the SET menu. From this item, it is possible to know all the data regarding the stove. For example, database and App version Technical Dept. - All rights reserved - Reproduction prohibited...
Page 88 29-SOFTWARE VERSION SOFTWARE VERSIONS continuation screen.
Page 90: 31-Safety Devices
31-SAFETY DEVICES SAFETY DEVICES The product is fitted with the following safety devices. SMOKE TEMPERATURE PROBE It detects the temperature of the smoke, thereby enabling start-up or stopping the product when the temperature drops below the preset value. PELLET HOPPER TEMPERATURE PROBE If the temperature exceeds the preset safety value, it immediately stops the product, which must cool down before the stove is restarted.
Page 91: 32-Alarms
32-ALARMS ALARM ALERTS In the event an operating anomaly occurs the stove starts switching off due to the alarm and informs the user of the type of fault that has taken place via a 3 digit code which stays displayed on the rear emergency panel. The alarm is indicated permanently by the relative 3 digit code, by a flashing red LED that lights up on the emergency panel and an intermittent sound signal for the first 10 minutes of the alarm.
Page 92 Routine maintenance alert When this flashing message appears upon start-up it indicates that the preset operating hours before maintenance is due have elapsed and that an MCZ qualified technician must be contacted for maintenance. Exiting the alarm conditions Follow the procedure described below to restore normal stove operation after an alarm has been triggered: •...
Page 93 If these causes are excluded, check and if necessary clean the smoke duct and flue (it is recommended for this operation to be carried out by an MCZ qualified technician). The product can be switched on again only after having eliminated the cause permanently.
Page 94 32-ALARMS In the event that alarm A21 occurs frequently, please note that: Open stove door Close the door Open fuel loading hatch Close the hatch. SAFETY DE- Lower the fuel level in the hopper. VICES TRIP Air pressure switch Draught difficulties or brazier clogged. Check whether the brazier is clogged by scaling and clean it, if necessary.
Page 95 32-ALARMS (according to the technical data sheet found in the user and maintenance manual), adjustments may be required in worse draught conditions (also due to the position of the flue in areas that are particularly subject to adverse weather such as prevailing winds, snow, northern exposure, etc.) so as to always guarantee the required negative pressure inside the hopper.
Page 96 32-ALARMS NEGATIVE PRESSURE INSIDE THE HOPPER WITH FACTORY-SET PARAMETERS AND A DRAUGHT OF 5 Pa (MINIMUM RECOMMENDED) POWER VALUES 13.7/14.2 Pa 15.1/15.6 Pa 17.1/17.5 Pa 19.1/19.5 Pa 22.0/22.2 Pa Draught 6 kW 95°C 110°C 125°C 141°C 165°C Smoke temperature 13.8/14.3 Pa 15.6/16.1 Pa 17.8/18.0 Pa 21.7/22.2 Pa...
Page 97: 33-Recommendations For Safe Use
33-RECOMMENDATIONS FOR SAFE USE ONLY CORRECT INSTALLATION AND APPROPRIATE MAINTENANCE AND CLEANING OF THE APPLIANCE CAN GUARANTEE CORRECT OPERATION AND SAFE USE OF THE PRODUCT. We would like to inform you that we are aware of cases of malfunctioning of domestic pellet-fuelled heating products, mainly due to incorrect installation and use, as well as inadequate maintenance.
Page 98: 34-Cleaning
34-CLEANING EXAMPLE OF A CLEAN BRAZIER EXAMPLE OF A DIRTY BRAZIER Only by properly servicing and cleaning the product is it possible to ensure its safety and correct operation. ATTENTION! All the cleaning operations of all parts must be performed with the product completely cold and the plug disconnected.
Page 99 34-CLEANING OPTIMAL OPERATION OF YOUR PELLET PRODUCT. IN CASE OF FAILED IGNITION AND AFTER ANY OTHER LOCK STATE OF THE PRODUCT, IT IS ESSENTIAL TO EMPTY THE BRAZIER BEFORE EVERY RESTART For the brazier to be cleaned properly, remove it from its housing completely and thoroughly clean all the holes and the grate on the bottom.
Page 100 In the event of breakage it must be replaced. ATTENTION! Never let the stove work without the air filter fitted. MCZ cannot be held liable for any damage caused to the internal components if this requirement is not complied with.
Page 101 34-CLEANING PERIODIC CLEANING PERFORMED BY A QUALIFIED TECHNICIAN CLEANING THE HEAT EXCHANGER AND THE LOWER COMPARTMENT Half-way through the winter season, but especially at the end, the compartment through which the exhaust smoke passes will need to be cleaned. This cleaning process is mandatory in order to facilitate the general removal of all combustion residue, before it becomes very difficult to remove it due to moisture compacting it over time.
Page 102 34-CLEANING CLEANING THE EXCHANGER CLEANING THE UPPER COMPARTMENT Clean the upper exchanger when the stove is cold, following the operations below: • remove brazier “T” • remove the ash pan grid “O” • remove the cast iron side “R” by lifting it upwards slightly to let the lower interlocking system come out, then lower it in order to let the upper ones come out •...
Page 103 34-CLEANING • tilt deflector “M” to make it come out from its seat • remove the two plates “S” and “L” by simply sliding them out from their seats Technical Dept. - All rights reserved - Reproduction prohibited...
Page 104 34-CLEANING Use a stiff rod or a bottle brush to scrape the walls of the firebox (see arrow - under plate “L” and “S” just removed) to make the ash fall into the lower compartment. Then thoroughly clean the lower exchanger, replace any gaskets if needed, and reassemble.
Page 105 34-CLEANING CLEANING THE SMOKE EXPULSION SYSTEM AND GENERAL CHECKS Clean the smoke outlet system, especially around the “T” joints, elbows and any horizontal sections of the smoke duct. For information on periodically cleaning the flue, contact a skilled chimney sweep. Check the seal of the ceramic fibre gaskets on the door of the stove.
Page 106 34-CLEANING SHUTDOWN (end of season) At the end of each season, before switching the product off, it is recommended to remove all the pellets from the hopper with a vacuum cleaner with a long pipe. We recommend removing the unused pellet from the tank because it can retain moisture. Disconnect any combustion air ducting that can lead moisture inside the combustion chamber but, above all, ask the specialised technician to refresh the paint inside the combustion chamber with the special silicone spray paints (available at any store or CAT) during the necessary annual end of season scheduled maintenance operations.
Page 107: 35-Troubleshooting
35-TROUBLESHOOTING ATTENTION! All repairs must only be carried out by a specialised technician, with the product switched off and the plug disconnected. ANOMALY POSSIBLE CAUSES SOLUTIONS The pellets are not fed into the The pellet hopper is empty. Fill the hopper with pellets. combustion chamber.
Page 108 35-TROUBLESHOOTING The product works for a few minutes Start-up phase is not completed. Repeat start-up. and then switches off. Temporary power cut. Switch it back on. Clogged smoke duct. Clean smoke duct. Faulty or malfunctioning temperature Check and replace the probes. probes.
Page 109 35-TROUBLESHOOTING ANOMALY POSSIBLE CAUSES SOLUTIONS The air fan does not switch on. The product has not reached the Wait. temperature. The remote control does not work. The remote control battery is flat. Replace the battery. Remote control faulty. Replace the remote control. The product always runs at maximum The room thermostat is in the maximum Reset the temperature of the remote...
Page 110: 36-Circuit Board
36-CIRCUIT BOARD LIVE ELECTRICAL CABLES DISCONNECT THE POWER SUPPLY CABLE 230V BEFORE CARRYING OUT ANY OPERATIONS ON THE ELECTRICAL BOARDS COMFORT AIR STOVE WITH 2 FANS WIRING KEY 1. SMOKE FAN ENCODER 8. FEED SCREW GEAR MOTOR ENCODER 9. AIR FAN 1 PRESSURE TRANSDUCER 10.
Page 112 MCZ GROUP S.p.A. Via La Croce n°8 33074 Vigonovo di Fontanafredda (PN) – ITALY Telephone: 0434/599599 a.s. Fax: 0434/599598 Internet: www.mcz.it e-mail: mcz@mcz.it 8901721600 REV.0 30/10/2017...

MCZ LINEA Comfort Air Installation Manual

Part 1 - Regulations and Assembly

Part 2 - Operation and Cleaning

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