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Centrometal EKO-CK P 20 Technical Manual
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Centrometal EKO-CK P 20 Technical Manual

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Centrometal d.o.o. - Glavna 12, 40306 Macinec, Croatia, tel: 040 372 600, fax: 040 372 611
TECHNICAL MANUAL
for installation , use and maintenance of the hot water boiler
and equipment for wood pellet burning
EKO-CK P + Cm Pelet-set_Touch 14-90
EKO-CKB P + Cm Pelet-set_Touch 14-50
TUCKP-07-2018-EN
HEATING TECHNIQUE
READY
Book 1/2

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Summary of Contents for Centrometal EKO-CK P 20

  • Page 1 HEATING TECHNIQUE Centrometal d.o.o. - Glavna 12, 40306 Macinec, Croatia, tel: 040 372 600, fax: 040 372 611 TECHNICAL MANUAL for installation , use and maintenance of the hot water boiler and equipment for wood pellet burning READY EKO-CK P + Cm Pelet-set_Touch 14-90...
  • Page 2 Technical data - EKO-CK P + Cm Pelet-set_Touch 14-50 EKO-CK P 20 EKO-CK P 25 EKO-CK P 30 EKO-CK P 35 EKO-CK P 40 EKO-CK P 50 EKO-CK P 60 TYPE Cm Pelet-set Cm Pelet-set Cm Pelet-set Cm Pelet-set Cm Pelet-set...
  • Page 3 Technical data - EKO-CK P + Cm Pelet-set_Touch 90 EKO-CK P 70 EKO-CK P 90 EKO-CK P 110 + Cm pelet-set + Cm pelet-set + Cm pelet-set TYPE _Touch _ Touch _Touch (kW) Nominal heat output (kW) Heat output range 18-60 21-70 27-90...
  • Page 4 Technical data - EKO-CKB P + Cm Pelet-set_Touch 14-50 EKO-CKB P 30 EKO-CKB P 20 EKO-CKB P 25 EKO-CKB P 35 EKO-CKB P 40 EKO-CKB P 50 TYPE Cm Pelet-set Cm Pelet-set Cm Pelet-set Cm Pelet-set Cm Pelet-set Cm Pelet-set _Touch _Touch _Touch...
  • Page 5 Of the boiler (in this case is necessary to turn supply tube for pellet loading on the burner CD for 180°). 1 - Boiler EKO-CK P 20-60 4 - Pellet tank CPSP 2 - Pellet burner CPPL 14-50 5 - Feeder screw CPPT-Touch...
  • Page 6 Boiler dimensions - EKO-CK P + Cm Pelet-set_Touch 90 NOTE: Pellet tank CPSP can be positioned on the left side Of the boiler (in this case is necessary to turn supply tube for pellet loading on the burner CD for 180°). 1 - Boiler EKO-CK P 70-110 - Pellet feeder screw CPPT-90-Touch 2 - Pellet burner CPPL-90...
  • Page 7 Boiler dimensions - EKO-CKB P + Cm Pelet-set_Touch 14-50 NOTE: Pellet tank CPSP can be positioned on the left side Of the boiler (in this case is necessary to turn supply tube for pellet loading on the burner CD for 180°). LEGEND: 1 - Boiler EKO-CKB P 20-50 4 - Pellet tank CPSP...

  • Page 8: Delivery Status

    General 1.0. GENERAL Boilers EKO-CK (B) P + Cm Pelet-set_Touch have a modern construction and design, they are made from certified materials with high quality, welded with the most modern welding technology , tested and certified according to the EN 303-5 norm and fulfill all conditions for the connection on the central heating installation.

  • Page 9: Boiler Body

    Components 2.0. COMPONENTS 2.1. BOILER BODY Boiler bodies EKO-CK P i EKO-CKB P are hotwater boilers made of steel. The combustion chamber has a big heating surface and a low resistance. The cleaning of this boilers is very simple and possible from the front side. 2.2.

  • Page 10: Additional Equipment

    Additional equipment, Installation and boiler assembly 3.0. ADDITIONAL EQUIPMENT CAL set Cm Wifi-box GSM module Vacuum CM2K modul CMNET module for alarm (Internet for the alarm supply of for steering for steering the (speaker / boiler operation alert by mobile pellets 2+ heating boiler cascades...
  • Page 11 Installation and boiler assembly Picture 1b. Minimum distance from the room walls Legend: Boiler EKO-CK P + Cm Pelet-set_Touch 60-90 min. 1000 mm Pellet burner CPPL-90 Digital boiler controller CPREG-Touch Pellet feeder screw min. CPPT-90-Touch 100 mm Pellet tank CPSP-800 Chimney min.

  • Page 12: Changing Of Door Opening Direction

    Installation and boiler assembly 4.1 CHANGING OF DOOR OPENING DIRECTION Upper and lower boiler door are factory designed so that it can be changed opening direction to left or right side. Opening direction can be changed. It is neccesary to change positions of universally parts responsible for direction of door opening.
  • Page 13 Installation and boiler assembly The procces of converting factory delivered lower boiler door with right opening direction (default) to door with left opening direction. 1.Removing door from boiler and remove universally parts from door Unscrew two screws (5) and remove door from boiler. Strike out elastic pins and remove handle (1) and hinge (2) from boiler door.
  • Page 14 Installation and boiler assembly Figure 5a) Installation of casing to boiler EKO - CK P Detail X (3.9x9.5) (4.2x16) (4.2x32) Fasten insulation support (8) with screws 4,2 x 16 into wholes at the upper side of the boiler body. Fix the lateral sides (2) and (3) on girders on the lateral sides of the boiler mount into rectangular opening of the casing lateral sides (b1) and (b2), hook them up on casing supports (8), and fix them with two screws on sheet metal 3.9 x 9,5 on the rear casing supports (8).
  • Page 15 Installation and boiler assembly Figure 5b) Installation of casing to boiler EKO-CKB P (4.2x32) (3.9x9.5) Place the lateral cover (1) and the lateral cover(2) on the factory-prepared brackets located on the top of the boiler. Place the back cover (3) on the pipe at the back of the boiler. Back cover (3) closer to the left lateral and right lateral cover secure it with the six 4.2 x 32-thread screws in the lateral left and right cover Attach the front lower (4) cover hook the hooks to the prepared holes (E) on the lateral left (2) and...

  • Page 16: Connection To Chimney

    Installation and boiler assembly 4.2. OPENING FOR FRESH AIR (FRESH AIR SUPPLY) Each boiler room must be equipped with an opening for supply of fresh air which is dimensioned in accordance with boiler output (minimum opening area according to the below shown equation). Such opening must be protected with a net or grate.
  • Page 17 Installation and boiler assembly Picture 6. Possible ways of connections of boilers EKO-CK (B) P + Cm Pelet-set_Touch to chimney Thermal insulation Opening for cleaning Thermal insulation 10mm Opening for cleaning min. 300 mm max. 600 mm Possible way of connection of boilers EKO-CK (B) P + Cm Pelet-set_Touch to chimney (recommendation) Picture 7.
  • Page 18 Installation and boiler assembly 4.4. AN EXAMPLE OF SELECTION OF A CHIMNEY (see diagram on picture 7.) - BOILER HEAT OUTPUT - 30 kW - FUEL - WOOD PELLETS - REQUIRED USABLE CHIMNEY HEIGHT - H = 8 m - REQUIRED CHIMNEY LIGHT DIAMETER - 18 cm - Usable chimney height - chimney height from connection spot of smoke pipe to the chimney top.
  • Page 19 Installation and boiler assembly 4.5.2 CPPL 40-50 1. Disassemble pellet burner into 4 part as shown in picture Lower boiler door Burner protection Fans with flange Pellet feeding (right version) Burner head cover and heater Photcell Gasket Gasket thinner Gasket thicker 2.
  • Page 20 Installation and boiler assembly 4.5.3 CPPL-90 Disassemble the burner into 4 parts as shown figure below. Place burner head (with fixed thicker gasket toward door and thinner gasket on the side away from door) onto prepared screws on the door, then place a feeding box and tighten the screws with enclosed nuts M8. Put a gasket onto the feeding box and put a feeding tube onto it (faced toward the pellet tank, either on the left or on the right side and tighten it firmly using enclosed screws M4x30.
  • Page 21 Installation and boiler assembly 4.5.4 CPPL 90 The order of operations for installing a pellet burner at lower boiler door 1. Disassemble pellet burner into 4 parts as shown in Figure Burner protection Fans with Burner head Lower boiler Pellet feeding cover flange and heater door...
  • Page 22 Installation and boiler assembly 4.6. INSTALLATION OF THE PELLET REGULATION - remove the perforated part of the upper boiler cover and through the hole place the safety thermostat sensor and boiler temperature sensor (regulation) in the boiler sleeve (on EKO-CK P + Cm Pelet-set_Touch on upper part of the boiler, on the EKO-CKB P + Cm Pelet-set_Touch from the front side of the boiler - run the sensors to the sleeve on the lateral side of the boiler).
  • Page 23 Installation and boiler assembly Figure 9. - Microswitch installation Microswitch position when the lower boiler door opens on right side (factory) Microswitch position when the lower boiler door opens on left side Microswitch holder Microswitch position when the lower boiler door opens on right side (factory) Nosilec mikrostikala Microswitch position when the lower boiler door opens on left side At standard delivery (lower boiler door opens on right side) microswitch is installed on front...
  • Page 24 Installation and boiler assembly 4.7. INSTALLATION OF THE PELLET ANK AND PELLET TRANSPORTER The description of the INSTALLATION of pellet tank and pellet transporter can be found in the "Technical instructions for mounting, use and maintenance of pellet and feeder screw ", which are enclosed in the package in addition to the CPSP or CPSP-800 pellet tank and the CPPT-Touch pellet transporter, CPPT- 50-Touch or CPPT-90-Touch.
  • Page 25 Boiler installation with the central heating installation 5.0. CONNECTING THE BOILER TO THE HEATING SYSTEM All work when installed needs to be performed according to the important national and European norms. The boiler EKO – CK ( B ) P + Cm Pelet – set_Touch is possible to install in closed and open central heating systems.
  • Page 26 Boiler installation with the central heating installation _ _ Z - the mark on the third position indicates if basic regulation steers the central heating circuits, if it steers describes the type and number of circuits (does not consider one or more CM2K modules for two heating circuits / DHW): 0 - boiler regulation does not steer central heating circuits with mixing valves, but with additional selection it can be operated with one or two central heating circuits...
  • Page 27 Boiler installation with the central heating installation Example 8: Configuration H01 - boiler connected with 4-WAY MIXING VALVE WITH ACTUATOR (backflow protection) and steers one central heating circuit with a motor mixing valve (there is no control of one or two direct central heating circuits). Example 9: Configuration J71 - boiler connected with HYDRAULIC CROSSOVER via 4-way mixing valve with actuator (backflow protection), DHW tank built into the boiler and steer one central...
  • Page 28 Boiler installation with the central heating installation 5.2. BOILER INSTALLATION TO THE CLOSE HEATING SYSTEM When installing a closed heating system (example as in Schema 1, page 29), installation is obligatory of the atested safety valve with 2.5 bar opening pressure, minimum seat diameter 15 mm, minimum supply connection to 1/2 "valve, minimum drain connection 3/4"...
  • Page 29 Boiler installation with the central heating installation 5.4. TYPE OF HEATING SYSTEMS - CLOSED AND OPEN HEATING SYSTEMS Basic scheme of EKO-CK (B) P + Cm Pelet-set_Touch boiler installation on closed heating system Scheme 1) Basic scheme of EKO-CK boiler installation (B) P + Cm Pelet-set_Touch on open heating system Scheme 2) Iznad najvišeg...
  • Page 30 Boiler installation with the central heating installation 5.5. HEATING SYSTEM AND BACKFLOW PROTECTION INSTALLATION SCHEME (first mark X, configuration Scheme 1) - configurations A YZ Scheme 2) - configurations B YZ B - boiler connection to the ACCUMULATION TANK A - boiler connection to the ACCUMULATION TANK via 3-way valve with actuator (backflow via 3-way thermostatic valve (60°C backflow protection)
  • Page 31 Boiler installation with the central heating installation Scheme 7) - configurations H YZ Scheme 8) - configurations I YZ I - boiler connection to the ACCUMULATION TANK via H - boiler connection to the 4-WAY VALVE with actuator 4-way valve with actuator (backflow protection) (backflow protection) YZ-2 YZ-3...
  • Page 32 Boiler installation with the central heating installation 5.5.1. HEATING CIRCUITS AND DHW (second and third configuration symbols X Y Z ) Important: For easy managing use YZ - variants from the previous point 5.5) a) 1 heating circuit with mixing valve b) 2 heating circuits with mixing valve YZ-1 YZ-2...
  • Page 33 Boiler installation with the central heating installation h) 2 heating circuits and DHW tank with g) 1 heating circuit and DHW tank with recirculation recirculation YZ-1 YZ-2 YZ-3 YZ-4 YZ-1 YZ-4 POSSIBLE FOR: POSSIBLE FOR: X 21 X 02, X 72, X 82 Possible configurations: Possible configurations: X = "A", "B", "C", "D", "E", "F", "H", "I", "J", "K"...
  • Page 34 Boiler installation with the central heating installation *m) Direct heating circuits with pump + DHW *n) direct heating circuits without pump + with recirculation DHW with recirculation (one or two heating (one or two heating circuits, depends on the selection) circuits, depends on the selection) YZ-4 YZ-4...
  • Page 35 Boiler installation with the central heating installation 5.5.2. Boiler connection EKO - CKB P + Cm Pelet-set_Touch (sink DHW tank in the boiler) to water supply installation The connection of the stainless steel DHW tank in the boiler to the water supply installation must be carried out according to the valid technical standards by the authorized service person (Schemes a and b).
  • Page 36 Installation of a 3-way / 4-way mixing valve with actuator INSTALLATION OF A 3-WAY / 4-WAY MIXING VALVE WITH ACTUATOR A three-way or four-way mixing valve with a motor in the backflow protection function can be installed on the left or right side of the boiler, see examples of installation on the right side of the boiler (Example 1 and Example 2).
  • Page 37 Installation of a 3-way / 4-way mixing valve with actuator 5.6.2 ACTUATOR INSTALLATION (BACKFLOW PROTECTION) An example of the ESBE actuator installation on a 4-way mixing valve (the pre-installation of a 3-way mixing valve is the same). 1. Engine position when valve is closed. 2.
  • Page 38 Installation of a 3-way / 4-way mixing valve with actuator 7. Position of the drive in the DOWN position - automatic operation; boiler ready for operation OPEN DIRECTION Installation flow Installation Boiler backflow flow Valve 100% closed Boiler backflow CLOSING DIRECTION Installation flow Boiler Installation...

  • Page 39: Temperature Regulation

    Temperature reg., Boiler conn. to the electrical installation, Safety equipment 6.0. TEMPERATURE REGULATION For temperature REGULATION, CPREG-Touch digital boiler regulation is used. To adjust and use the CPREG-Touch control, see Book 2/2 "Technical Instructions Cm Pelet-set_Touch 14-90 - USER - REGULATION" that comes with wood pellet firing. 7.0.
  • Page 40 Safety equipment, Additional equipment Filling sensor / temperature gauge: Normal operation: a green LED is lit while the other flashes depending on the amount of pellet falling through the feeding tube. Feeding tube fiiled with pellets: all LED-s are lit for 10 seconds without flickering 9.0.
  • Page 41 Commissioning 10.0. COMMISSIONING The boiler must not be operated in a flammable and explosive atmosphere. The product should not be used by children or persons with reduced mental or physical abilities, and persons with a lack of knowledge and experience unless supervised or trained by a person in charge of their safety.
  • Page 42 Commissioning Figure 13. Boiler door opening method Left Right Upper boiler door Lower boiler door Open Close Handles of upper boiler door Handles of lower boiler door PROCESS OF OPENING BOILER DOOR: UPPER BOILER DOOR: 1. Pull the handle of the upper boiler door RGV in direction of the arrow "OPEN". 2.Open the upper boiler door GV in direction of the arrow "RIGHT".

  • Page 43: Boiler Use

    Properties of wooden pellets, Boiler use 11.0. PROPERTIES OF WOODEN PELLETS Wooden pellets are used as fuel in boilers with built-in pellet burner CPPL. Wooden pellets are bio- fuel made of wooden wastes. Pellets can be packed in different packaging: in bags (15 kg or 1000 kg), or as bulk in large (underground) tanks ( 4 - 15 m ) or in basement spaces.
  • Page 44 Cleaning and maintenance 13.0. CLEANING AND MAINTENANCE OF THE BOILER AND ACCESSORIES FOR BURNING WITH WOOD PELLETS The ash that remained in the boiler after being fired with wooden pellets should be disposed of in metal containers with a lid. Use of protective gloves is obligatory. (Figure 12). Care should be taken to: - deposit in the boiler furnace and, if necessary, clean it;...
  • Page 45 Cleaning and maintenance Once a year (at least) it is necessary to in detail check / clean up the following components: - clean thoroughly burner, grate... - clean photocell - empty and clean pellet tank - remove and clean pellet screw feeder Cleaning frequency of above items depends on pellet quality and it should be adjusted accordingly - Check flexible connecting tube and place it so that flexible pellet feeding tube is inclined toward...
  • Page 46 EC Declaration of conformity Technical instructions EKO-CK (B) P + Cm Pelet set_Touch...
  • Page 47 Notes Technical instructions EKO-CK (B) P + Cm Pelet set_Touch...
  • Page 48 Centrometal d.o.o. shall not be responsible for possible incorrect data caused by printing errors or errors during transcription and in any case, it reserves the right to modify its products deemed to be required and useful, without any prior notification.

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