Sulzaima 18 kW Compact Boiler Instruction Manual

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18 kW Compact Boiler

24 kW Compact Boiler

Be sure to read these instructions carefully before installing, using and servicing the unit.

The product is supplied with this instruction manual.

Mod. 410-B

Pellet Boilers

Instruction Manual

Models

English

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Page 1 Pellet Boilers Instruction Manual English Models 18 kW Compact Boiler 24 kW Compact Boiler Be sure to read these instructions carefully before installing, using and servicing the unit. The product is supplied with this instruction manual. Mod. 410-B...
Page 2 Thank you for purchasing a SOLZAIMA unit. Please read this manual carefully and keep it for future reference. *All the products comply with the requirements of the Construction Products Regulation (Reg. EU no.305/2011) and is certified with the CE conformity marking; * Solzaima’s Pellet Boilers are manufactured in compliance with the EN 14785:2008 Standard * SOLZAIMA shall not be liable for any damages to units not installed by qualified...
Page 3 Contents Package content ......................3 1.1. Unpacking the boiler ....................3 Safety precautions ....................4 2.1. For your safety, please remember: ................4 Technical specifications ....................7 Installing the pellet boiler ....................9 4.1. Installation requirements ..................9 4.2. Installation of ducts and fume exhaust systems: ............ 10 4.3.
Page 4 Alarm / fault / recommendation list ..............47 Installation diagrams (for back boilers only - 18kW Compact Boiler and 24 kW Compact Boiler) ... 49 12.1. Central heating installation diagram ..............49 12.2. Wood and pellet central heating installation diagram ........50 12.3.
Page 5 About Solzaima Solzaima's vision has always been to provide the cleanest, renewable and more cost-effective energy possible. This is why for more than 35 years we've been dedicated to manufacturing biomass heating units and solutions. As a result of the persistence and unconditional support from a network of partners, Solzaima is currently the leader in biomass heating units manufacturing, supported by its range of central heating units with back boilers, pellet boilers and free standing fires.
Page 6: Package Content
1. Package content Solzaima ships the unit with the following components: - 18 kW Compact Boiler or 24 kW Compact Boiler - Instruction manual - Power cable 1.1. Unpacking the boiler When unpacking the unit, please refer to the illustrations below. First remove the retractable bag covering the cardboard box (Figure 1-a).
Page 7: Safety Precautions
2. Safety precautions Solzaima shall not liable for any damages to the unit caused by failure to comply with the specified precautions, warnings and operating procedures. Wile units manufactured by Solzaima are easy to operate, special attention was given to their components to prevent accidental damages to users and installers. The units must only be installed by an authorised engineer, who should supply the client with a relevant statement of conformity and who shall be liable for the final installation and consequent product good operating conditions.
Page 8  Do not tamper with any safety or adjustment features of the unit without the manufacturer's authorisation;  Do not cover or reduce the size of the aeration vents existing near the installation area;  The pellet boiler needs air circulation for proper combustion, so possible air tightness of the location or any existing air extraction sources in the room may prevent the unit’s proper operation;...
Page 9  Before performing any maintenance or assistance to your unit, disconnect it from the power mains. Before performing any of these operations, allow the unit to cool down completely (if previously operating);  Never touch the interior of the boiler when connected to the power mains; ...
Page 10: Technical Specifications
3. Technical specifications Boiler Boiler Features Units C18 kW C24 kW Weight 1305 1305 Height Width Depth Fume discharge pipe diameter Reservoir capacity m³ Maximum heating capacity Maximum overall thermal power (air/hydro) Minimum thermal power (air/hydro) kg/h Minimum fuel consumption kg/h Maximum fuel consumption Rated electrical current...
Page 11 The tests were performed using wood pellets with a heating capacity of 4.9 kWh/kg. The above information was obtained during product homologation tests performed by independent laboratories accredited for pellet unit tests. Front Rear Side Figure 2 - Pellet Compact Boiler - Measures Figure 3 - Pellet compact boiler - Hydraulic connections...
Page 12: Installing The Pellet Boiler
4. Installing the pellet boiler Before installing the unit, please perform the following steps:  When receiving the package, inspect the product to check for completeness and any signs of damage. Any damages or defects should be acknowledged before the unit is installed; ...
Page 13: Installation Of Ducts And Fume Exhaust Systems
The top of the boiler must be separated at least 100cm from the ceiling, especially in rooms with ceilings consisting of flammable materials. The base supporting the boiler cannot be made of combustible material, so make sure you always put in place an adequate protection. Figure 5 –...
Page 14: Installation In The Absence Of A Chimney
 The fume exhaust pipe may generate condensation, so we recommend that the appropriate systems for collecting condensates should be installed. 4.3. Installation in the absence of a chimney The installation of the pellet boiler in the absence of a chimney should be performed as shown in Figure 6, by directing the fume exhaust pipe (with a minimum inner diameter of 80mm for the air model and 100mm for the water model) straight outwards and onto the top of the roof.
Page 16 Figure 7 – Examples of standard installations. Failure to comply with these requirements may prevent the correct operation of the boiler. Follow all the instructions shown on the diagrams. Because the boilers operate with the combustion chamber in draught it is an absolute requirement to install a fume exhaust pipe to allow for the proper extraction of the combustion gases.
Page 17: Installation With A Chimney
Anti-downdraught terminal: An anti-downdraught terminal must be installed to avoid the backflow of fumes. Draught in the chimney: The following figures show three standard diagrams containing the correct length and diameter specifications. Any other type of installation that you choose to perform must guarantee a draught of 12 Pa (0.12mbar) measured at maximum heat and power.
Page 18: Hydraulic Installation
If you do not use the unit for a long time, check it to make sure that the flue pipes are clear before lighting the fire. 4.5. Hydraulic installation * Chapter 12 (installation diagrams) contains the optional connection diagrams for central heating installations, with or without water heating for household use;...
Page 19: Using The Pellet Boiler
The pellets may have a maximum humidity of 8% their weight. To guarantee a good combustion, the pellets must maintain these characteristics so they should be stored in a dry place. The use of pellets other than those recommended may reduce the efficiency of the unit and cause deficient combustion.
Page 20 Figure 9 – Electric power plug.  Check to see whether the pellet reservoir is supplied with pellets. Inside the pellet reservoir is a safety grid to prevent users from reaching the worm screw.  Before each time you light up the boiler, make sure the burner is unobstructed. The boiler's combustion chamber and door are made of iron painted with high temperature-resistant paint;...
Page 21: Display And Control Panel
Figure 10 - Room temperature prob 7. Control panel 7.1. Display and control panel MODE MENU 20.5ºC 16:03 Figure 11 – Display and control panel...
Page 22: Display Information Summary
a) Key to toggle between b) Key to access menus and c) Key to start/stop the manual automatic confirmation key (ok). unit and reset error mode and exit menus (esc). messages. d) Key to scroll the menus to e) Key to scroll menus to the left, increase right to increase and reduce...
Page 23: Water Temperature
“Auto” mode: in this mode, the unit will be turned on at maximum power until reaching a temperature of 1ºC above the selected temperature (set point temperature). Upon reaching the set temperature, the unit toggles to the minimum operating power. The set-point temperature can be set between 5 and 35ºC by pressing the "-"...
Page 24: Date/Time
7.2.3. Date/Time To set the date and time: press the Menu key twice; "Dia e Hora" (Date and Time) appears on the display. Press "set" to see the "Hora" (Time) menu. MODE MENU < Data e Hora >  Time To set the time press “set”.
Page 25  Day To set the day of the week press “set”. The display starts to flash. Press the “+” or “-” key to select the desired day and then “ok” to confirm. Press the "+" key to go to the "Dia Num."...
Page 26: Timer
Hora" (Date and Time) menu then "+" scroll to the next menu. The Crono (Timer) menu appears. MODE MENU 2012 < > 7.2.4. Timer The boiler is equipped with a timer that allows the unit to be turned on or off at a specific time.
Page 27 MODE MENU < Reiniciado > The unit's programmer lets you choose from 6 different programmes for each day of the week. To set up programmes “P1” to “P6”, select the desired programme using the “-” and “+” keys, and press “set” to select. The “P1 Habilitação” (Activation) menu appears.
Page 28 To set the stopping time for Programme 1, press “set”. The display starts to flash. Press the “+” or “-” key to select the desired time and then “ok” to confirm. Press the "+" key to go to the "P1 Temp. Ar" (P1 Air Temp) menu. MODE MENU 20:15...
Page 29: Sleep
MODE MENU <P1 Fire > To select the days of the week that you want the P1 Programme to run, press "set" and then select the day of the week using the “-” and “+” keys. Press "set". The display starts to flash. Select "On" or "Off" using the "-" and "+" keys. Press "ok" to confirm the selection.
Page 30: Configuration Menu
MODE MENU 22:00 SLEEP 7.2.6. Configuration menu To change the boiler's configuration setup press “set”. The “Língua” (Language) menu appears. MODE MENU < Configurações >  Language To select the language, press “set”. Using the “+” or “-” keys, select the desired language (Pt –...
Page 31 set point temperature. Upon reaching this temperature, the unit starts operating at minimum operating power for a preset time period. After this time has elapsed, the unit turns off. It remains off for another preset period of time. When the measured room temperature drops to a preset value, the boiler turns on again at the maximum operating power.
Page 32 MODE MENU < Tons >  Temperature scale (ºC/ºF) To select ºC / ºF, press “set”. The display starts to flash. Press the “+” or “-” key to select “ºC”, “ºF” or “Auto”, and then “ok” to confirm. Press the "+" key to go to the "Receita Pellet"...
Page 33 correct percentage. Press "ok" to confirm the selection. Press the "+" key to go to the "Actuações de Potência" (Power settings) menu. MODE MENU < tuações Transi >  Power settings This feature allows you to increase or decrease by 25% the amount of pellets at each power level.
Page 34: User Info
 Pellet loading This feature allows you to enable the worm drive to fill the channel when it is empty to ensure lighting of the unit. Press "set"; the "ok" option appears. Press "ok" to activate the drive (the "habilitada" (Activated) message appears) and "esc" to stop it. Press the "+"...
Page 35 MODE MENU < Info Usuario > MODE MENU 500308 < Código Display > This menu shows the total operation hours of the boiler so far. MODE MENU < de Funcioname > Fume exhaust operating speed (rotation per minute). MODE MENU 49 rpm <...
Page 36 MODE MENU 18ºC < emperatura Fum > Worm drive rotation time ("On"). MODE MENU 0.00s < Tempo Cóclea > Ventilation power level. MODE MENU < Atuação Fan1 > Hydraulic circuit pressure. MODE MENU 1.5bar < Pressão Água > ><<z<<gbgh...
Page 37: Starting-Up The Unit
8. Starting-up the unit To start operating the pellet boiler, press the start/stop button for 3sec. The display should indicate "Acendimento" (Lighting) until completion of this phase. The pellets are fed through the supply channel and into the burning basket (combustion chamber), where they will be ignited using a heat resistor.
Page 38: Instructions For Removing The Side Covers
8.3. Instructions for removing the side covers 8.3.1. Removing the side covers Lift the cover and pull it up and forward, detaching it from the top and front slots. To reassemble, perform the steps above in reverse order. Figure 13 – Removing the side covers 8.3.2.
Page 39: Filling The Pellet Reservoir
8.4. Filling the pellet reservoir 1 - Open the pellet reservoir lid at the top of the unit, as shown in Figure 14 b. 2 – Fill the reservoir with pellets, as shown in Figure 15. Figure 15 – Filling the pellet reservoir 3 - Turn on the unit and close the lid, pressing it down until the latch snaps into place as shown in Figure 14-a.
Page 40: Instructions To Perform The Remote Control Connections
Figure 16 – Remote control (programmable thermostat) and connection interface – not included. If you want to use a wireless remote control, you need to connect the two wires as shown in the following figure: Colour codes: CN – grey N –...
Page 41 3 – Rivet the terminals of the 220V wire that powers the transmitter. 4 – Connect the wires to the ON/OFF connector contact (Figure 19 d). Direct the wires through the cable holder to the interior of the boiler (Figure 19 e). 5 –...
Page 42 Figure 19 – Installing the programmable thermostat...
Page 43: Installing The Safety Option – Ups Kit
9. Installing the safety option – UPS Kit Figure 20 – a) example of UPS (not included in the kit); b) UPS kit components To connect the UPS connection kit, proceed as shown in the figures below. First, remove the side cover to access the electronic plate (Figure 21 a). Then, attach the UPS electronic module at the side of the boiler's electronic plate, connecting the wires to the plate (Figure 21 b and c).
Page 44: Maintenance
Figure 21 – Installing the UPS kit Maintenance The Solzaima pellet boiler requires careful maintenance. The major concern is to clean the ashes from the pellet burning area at regular intervals. This procedure can...
Page 45 be easily done using a common household vacuum cleaner. The cleaning operation should performed after each burn of approximately 66lbs (60kg) of pellets. Note: However, before cleaning, the boiler must be turned off and the unit should be allowed to cool down to prevent personal damage. Cleaning the Boiler The boiler’s maintenance operation includes cleaning the airflow pipes.
Page 46 Figure 23 – Cleaning the interior of the back boiler Remove the burning basket (Figure 25 a) and ash tray (Figure 25 b) and vacuum both pieces. You should also clean the boiler’s interior. To do so, open the lid, as shown in Figure 26.
Page 47 Figure 26 – Cleaning the interior of the boiler Additional cleaning For every 1300-1700lbs (600-800kg) of pellets consumed, additional cleaning should be performed. For the back boiler, the procedure includes cleaning the air flow pipes and turbulators. To do this, open the lid on the top of the unit (Figure 27 a), remove the galvanized plate and the six wing nuts securing each turbulator set (Figure 27 b and c).
Page 48 Figure 27 – Cleaning the air flow pipes and turbulators If you notice a problem with the fume exhaust, you should clean the exhauster as shown in Figures 28 and 29 below. By default, we recommend that you execute this procedure at least once a year.
Page 49 Figure 28 – a) Remove the screws; b) Remove the exhauster Figure 29 – Vacuum the air flow pipes...
Page 50: Alarm / Fault / Recommendation List
Alarm / fault / recommendation list Alarm Code Cause and troubleshooting - the worm drive channel is empty - restart the unit Maximum time 2400 Ignition failure - resistance burnt – replace the resistance - the burning basket has been incorrectly installed Temperature under: 104ºF (40°C) (air...
Page 51 - Malfunctioning Malfunctioning Maintenance Air probe failure Low pellet level The door is open Air temperature probe failure Water temperature probe failure Water pressure sensor fault Water pressure close to out of operating range Table 3 – Malfunction list Important notice: failures do not cause the machine to shut down WARNING! In case of emergency, shut the unit down following the normal procedure to switch the unit off.
Page 52: Central Heating Installation Diagram
Installation diagrams (for back boilers only - 18kW Compact Boiler and 24 kW Compact Boiler) Central heating installation diagram 12.1. Figure 30 – Central heating installation diagram.
Page 53: Wood And Pellet Central Heating Installation Diagram
Wood and pellet central heating installation 12.2. diagram Figure 31 – Wood and pellet central heating installation diagram...
Page 54: Installation Diagram Of Pellet Boiler For Central Heating With Wall-Mounting
Installation diagram of pellet boiler for central 12.3. heating with wall-mounting Figure 32 – Installation diagram of pellet boiler for central heating with wall-mounting...
Page 55: Installation Diagram For Central Heating And Household Water Heating Using A Cylinder Thermostat
Installation diagram for central heating and 12.4. household water heating using a cylinder thermostat Figure 33 - Installation diagram for central heating and household water heating using a cylinder thermostat...
Page 56: Symbols
Symbols 12.5. Figure 34 – Symbols...
Page 57: Electrical Diagram Of The Pellet Boiler
Electrical diagram of the pellet boiler Figure 35 – Electrical diagram...
Page 58 Performance graphs for the UPSO 15-55 CIAO circulation pump Figure 36 – Performance graphs for the circulation pump...
Page 59: Life Cycle Of A Pellet Boiler
Life cycle of a pellet boiler About 90% of the materials used in the manufacture of these units are recyclable, thus helping to reduce environmental impact and contributing to the sustainable development of the Planet. End-of-life units should be returned to authorised waste processing systems.
Page 60: Glossary
Glossary Ampere (A): SI unit of measurement of electric current bar: unit of pressure equal to exactly 100,000 Pa. This pressure is very close to standard atmospheric pressure. cal (Calorie): equal to the amount of heat required to increase the temperature of one gram of water by one degree centigrade.
Page 61 mA (milliampere): unit of measurement of electric current. mm (millimetres): unit of measurement. Net heating value: also known as specific combustion heat. It represents the amount of heat released when a certain amount of fuel is completely burned. Calorific value is expressed in calories (or kilocalories) per unit of weight of fuel. Oxidiser: chemical substance that feeds combustion (essentially oxygen) and is essential for it to take place.
Page 62: Warranty
Warranty All SOLZAIMA pellet boilers offer a 2-year (two year) warranty from the date the invoice is issued. In order for your warranty to be valid, you must keep the invoice or receipt of purchase during the warranty period. All electrical resistances have a 6-month warranty. The warranty applies only to defects in materials or manufacture.
Page 63 Operation flow charts  Flow chart 1 – Normal activation Note (only for the water model): The circulation pump operates on pulse power from the moment the water temperature reaches 50ºC and continuously from the set-point temperature.
Page 64  Flow chart 2 - Disconnecting the machine...
Page 65 Note (only for the water model): The circulation pump is turned off when the water temperature reaches below 40ºC.

This manual is also suitable for:

24 kw compact boiler