Motan C38GC20V1 Installation, Use And Maintenance Manual

Condensing wall-mounted gas boiler
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KÖBER LTD. Vaduri Branch
CONDENSING WALL-MOUNTED GAS BOILER
INSTALLATION, USE AND MAINTENANCE
Vaduri nr.25, comuna Alexandru cel Bun,
Neamt 617511, Romania Phone:+40.233.24.17.46, 233.24.19.33, Fax:+40.233.24.19.29 www.motan.ro
TECHNICAL MANUAL
Condensing gas boiler
K
CONDENS
(C38GC20V1)
2726
PLUS
21

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Summary of Contents for Motan C38GC20V1

  • Page 1: Vaduri Branch Wall-Mounted Condensing Boiler Revision

    KÖBER LTD. Vaduri Branch CONDENSING WALL-MOUNTED GAS BOILER INSTALLATION, USE AND MAINTENANCE TECHNICAL MANUAL Condensing gas boiler CONDENS PLUS (C38GC20V1) 2726 Vaduri nr.25, comuna Alexandru cel Bun, Neamt 617511, Romania Phone:+40.233.24.17.46, 233.24.19.33, Fax:+40.233.24.19.29 www.motan.ro...
  • Page 2: Table Of Contents

    INSTALLATION, USE, MAINTENANCE AND SERVICE MANUAL KÖBER LTD Edition: 1 VADURI BRANCH WALL-MOUNTED CONDENSING BOILER Revision: 1 Data: 28/11/2024 CONDENS PLUS (C38GC20V1) Form code F-POV05-08 Page: 2 din 66 Contents SECURITY INSTRUCTIONS AND SYMBOLS ........................4 Validity of instructions ..................................4 CE marking ......................................
  • Page 3 11.1.2 Underfloor heating and preparing hot water instantly ....................... 65 11.1.3 Underfloor heating and preparing hot water storage (storage boiler MOTAN) ............... 66 11.1.4 Underfloor heating and preparing hot water storage (storage boiler MOTAN) ............... 66 ©2002-2024 KÖBER SRL SUCURSALA VADURI...
  • Page 4: Security Instructions And Symbols

    Intended use - The CONDENS KPLUS boiler is designed according to current technical standards and is built in accordance with recognized safety standards; In case of improper or non-compliant use, the health or life of users or third parties may be endangered, respectively the heating unit or other material goods may be affected;...
  • Page 5: Description

    CONDENS PLUS (C38GC20V1) Form code F-POV05-08 Page: 5 din 66 DESCRIPTION Structura The structure of the condensing wall-mounted gas boiler CONDENS KPLUS. Figura 2.1 Tab. 2.1Condensing wall-mounted boiler components Main heat exchanger Gas valve Ignition electrode Circulation pump with automatic aerator...
  • Page 6: Construction And Functional Characteristics

    WALL-MOUNTED CONDENSING BOILER Revision: 1 Data: 28/11/2024 CONDENS PLUS (C38GC20V1) Form code F-POV05-08 Page: 6 din 66 Construction and functional characteristics Tab. 2.2: Technical characteristics of the CONDENS KPLUS boiler Name CONDENS KPLUS Type C38GC20V1 Gas category 2H (GN-G20) circulation...
  • Page 7: Safety Instructions

    INSTALLATION, USE, MAINTENANCE AND SERVICE MANUAL KÖBER LTD Edition: 1 VADURI BRANCH WALL-MOUNTED CONDENSING BOILER Revision: 1 Data: 28/11/2024 CONDENS PLUS (C38GC20V1) Form code F-POV05-08 Page: 7 din 66 SAFETY INSTRUCTIONS Indications of safety Installing and adjustment The installation can be performed only by an authorized company. It also takes responsibility for the correct installation and for the commissioning.
  • Page 8: Overall Dimensions And Mounting Position

    INSTALLATION, USE, MAINTENANCE AND SERVICE MANUAL KÖBER LTD Edition: 1 VADURI BRANCH WALL-MOUNTED CONDENSING BOILER Revision: 1 Data: 28/11/2024 CONDENS PLUS (C38GC20V1) Form code F-POV05-08 Page: 8 din 66 Overall dimensions and mounting position 4.3.1 Place of installation When choosing the installation location, please consider the following safety instructions: Warning! Do not install the boiler in areas endangered by frost! In case of frost the boiler may be damaged.
  • Page 9: Minimum Required Distances / Free Spaces For Assembly

    INSTALLATION, USE, MAINTENANCE AND SERVICE MANUAL KÖBER LTD Edition: 1 VADURI BRANCH WALL-MOUNTED CONDENSING BOILER Revision: 1 Data: 28/11/2024 CONDENS PLUS (C38GC20V1) Form code F-POV05-08 Page: 9 din 66 Minimum required distances / free spaces for assembly Both for the heating unit installation / assembly and for performing subsequent maintenance works, you need the following minimum distances (fig.
  • Page 10: Installation

    INSTALLATION, USE, MAINTENANCE AND SERVICE MANUAL KÖBER LTD Edition: 1 VADURI BRANCH WALL-MOUNTED CONDENSING BOILER Revision: 1 Data: 28/11/2024 CONDENS PLUS (C38GC20V1) Form code F-POV05-08 Page: 10 din 66 INSTALLATION Danger! Danger to life due to poisoning and explosion due to leaks in the gas path in case of faulty installation! The installation and commissioning of the device is allowed only to a company authorized in accordance with the legislation in force for assembly and approved by KÖBER SRL - Vaduri Branch.
  • Page 11: Gas Connection

    INSTALLATION, USE, MAINTENANCE AND SERVICE MANUAL KÖBER LTD Edition: 1 VADURI BRANCH WALL-MOUNTED CONDENSING BOILER Revision: 1 Data: 28/11/2024 CONDENS PLUS (C38GC20V1) Form code F-POV05-08 Page: 11 din 66 Gas connection Danger! Danger to life due to poisoning and explosion due to leaks in the gas routes in case of defective installation! The installation of the gas part is only allowed by an authorized plumber.
  • Page 12: Connection Of The Heating Unit To The Domestic Hot Water Circuit

    INSTALLATION, USE, MAINTENANCE AND SERVICE MANUAL KÖBER LTD Edition: 1 VADURI BRANCH WALL-MOUNTED CONDENSING BOILER Revision: 1 Data: 28/11/2024 CONDENS PLUS (C38GC20V1) Form code F-POV05-08 Page: 12 din 66 If the water volume in the district heating circuit is over 200 liters or if the pressure in the district heating circuit exceeds 2.5 bar at the maximum heating temperature, it is mandatory to install an additional expansion tank.
  • Page 13 INSTALLATION, USE, MAINTENANCE AND SERVICE MANUAL KÖBER LTD Edition: 1 VADURI BRANCH WALL-MOUNTED CONDENSING BOILER Revision: 1 Data: 28/11/2024 CONDENS PLUS (C38GC20V1) Form code F-POV05-08 Page: 13 din 66 Fig. 5.2-a – Pouring water through the flue gas exhaust connection Fig.
  • Page 14: Safety Valve Connection

    INSTALLATION, USE, MAINTENANCE AND SERVICE MANUAL KÖBER LTD Edition: 1 VADURI BRANCH WALL-MOUNTED CONDENSING BOILER Revision: 1 Data: 28/11/2024 CONDENS PLUS (C38GC20V1) Form code F-POV05-08 Page: 14 din 66 Fig. 5.5 - Condensateremoval in the Fig. 5.4 - Condensate removal in ventilated soil sewer network Table 5.1 - Legend of figures 5.4 ÷...
  • Page 15 INSTALLATION, USE, MAINTENANCE AND SERVICE MANUAL KÖBER LTD Edition: 1 VADURI BRANCH WALL-MOUNTED CONDENSING BOILER Revision: 1 Data: 28/11/2024 CONDENS PLUS (C38GC20V1) Form code F-POV05-08 Page: 15 din 66 Slope 3% (approx 2°) Fig. 5.7 Warning! The kit must have a 3% (approximately 2°) ascending slope on the outlet side for condensate recovery, the slope is given by the position of the terminal.
  • Page 16: Using The Dual Kit

    INSTALLATION, USE, MAINTENANCE AND SERVICE MANUAL KÖBER LTD Edition: 1 VADURI BRANCH WALL-MOUNTED CONDENSING BOILER Revision: 1 Data: 28/11/2024 CONDENS PLUS (C38GC20V1) Form code F-POV05-08 Page: 16 din 66 5.7.2 Using the dual kit The dual kit, fig. 5.9 is delivered only on request. The dual kit consists of two ducts: one for air intake and one for flue gas exhaust of the same diameter, Ø80mm, from two elbows of 90 and from the related gaskets.
  • Page 17: Connection To The Electrical Network

    INSTALLATION, USE, MAINTENANCE AND SERVICE MANUAL KÖBER LTD Edition: 1 VADURI BRANCH WALL-MOUNTED CONDENSING BOILER Revision: 1 Data: 28/11/2024 CONDENS PLUS (C38GC20V1) Form code F-POV05-08 Page: 17 din 66 Table 5.4 - Vertical kit Positio Piece Name. Ø 60 mm scavenging pipe Ø...
  • Page 18: Installing The Temperature Controller And Outdoor Sensor

    INSTALLATION, USE, MAINTENANCE AND SERVICE MANUAL KÖBER LTD Edition: 1 VADURI BRANCH WALL-MOUNTED CONDENSING BOILER Revision: 1 Data: 28/11/2024 CONDENS PLUS (C38GC20V1) Form code F-POV05-08 Page: 18 din 66 Installing the temperature controller and outdoor sensor 5.9.1 Temperature controller installation It is used to optimize the electricity and natural gas consumption and to create increased comfort in the space to be heated.
  • Page 19: Outdoor Sensor Connection

    INSTALLATION, USE, MAINTENANCE AND SERVICE MANUAL KÖBER LTD Edition: 1 VADURI BRANCH WALL-MOUNTED CONDENSING BOILER Revision: 1 Data: 28/11/2024 CONDENS PLUS (C38GC20V1) Form code F-POV05-08 Page: 19 din 66 5.9.2 Outdoor sensor connection Warning! The installation of the outdoor sensor is made with the heating unit not powered by the mains. Mounting an outdoor sensor is only useful in the presence of a temperature controller.
  • Page 20 INSTALLATION, USE, MAINTENANCE AND SERVICE MANUAL KÖBER LTD Edition: 1 VADURI BRANCH WALL-MOUNTED CONDENSING BOILER Revision: 1 Data: 28/11/2024 CONDENS PLUS (C38GC20V1) Form code F-POV05-08 Page: 20 din 66 Table 2 - Use of outdoor sensor on the floor CH circuit. SP05 10 RECOMANDED SET T °...
  • Page 21: Control Panel - User Interface

    INSTALLATION, USE, MAINTENANCE AND SERVICE MANUAL KÖBER LTD Edition: 1 VADURI BRANCH WALL-MOUNTED CONDENSING BOILER Revision: 1 Data: 28/11/2024 CONDENS PLUS (C38GC20V1) Form code F-POV05-08 Page: 21 din 66 CONTROL PANEL – USER INTERFACE LMC1112-C1-LED Control panel The Control panel LMC1112-C1-LED (fig.6.1) allows the view and change of the parameters that define the operation of the boiler.
  • Page 22: Description Of Functions And Graphic Contexts Displayed By The Control Panel Lmc1112-C1-Led

    INSTALLATION, USE, MAINTENANCE AND SERVICE MANUAL KÖBER LTD Edition: 1 VADURI BRANCH WALL-MOUNTED CONDENSING BOILER Revision: 1 Data: 28/11/2024 CONDENS PLUS (C38GC20V1) Form code F-POV05-08 Page: 22 din 66 Description of functions and graphic contexts displayed by the control panel LMC1112-C1-LED 6.2.1 Graphical context - Display the E88 error When power supply the boiler, on the control panel, the "- -"...
  • Page 23: Graphic Context - Operating State

    INSTALLATION, USE, MAINTENANCE AND SERVICE MANUAL KÖBER LTD Edition: 1 VADURI BRANCH WALL-MOUNTED CONDENSING BOILER Revision: 1 Data: 28/11/2024 CONDENS PLUS (C38GC20V1) Form code F-POV05-08 Page: 23 din 66 6.2.7 Graphic context - operating state This state is associated with the presence of flame or pump operation. All control elements of the boiler are active and any burning request is accepted.
  • Page 24: Graphic Context - Service Submenu

    INSTALLATION, USE, MAINTENANCE AND SERVICE MANUAL KÖBER LTD Edition: 1 VADURI BRANCH WALL-MOUNTED CONDENSING BOILER Revision: 1 Data: 28/11/2024 CONDENS PLUS (C38GC20V1) Form code F-POV05-08 Page: 24 din 66 6.2.11 Graphic context - Service submenu In Service submenu, can be view / modify / check different operating parameters of the boiler. The service submenu can be accessed by pressing and holding key J5( ) (fig.
  • Page 25 INSTALLATION, USE, MAINTENANCE AND SERVICE MANUAL KÖBER LTD Edition: 1 VADURI BRANCH WALL-MOUNTED CONDENSING BOILER Revision: 1 Data: 28/11/2024 CONDENS PLUS (C38GC20V1) Form code F-POV05-08 Page: 25 din 66 Table 6.3 shows parameters from SERVICE Submen Implicit value (**) Index Description Scale 20 kW...
  • Page 26 INSTALLATION, USE, MAINTENANCE AND SERVICE MANUAL KÖBER LTD Edition: 1 VADURI BRANCH WALL-MOUNTED CONDENSING BOILER Revision: 1 Data: 28/11/2024 CONDENS PLUS (C38GC20V1) Form code F-POV05-08 Page: 26 din 66 Implicit value Description (**) Index Scale 20 kW Current fan speed EI:00 RESERVED EI:01...
  • Page 27: Commissioning

    INSTALLATION, USE, MAINTENANCE AND SERVICE MANUAL KÖBER LTD Edition: 1 VADURI BRANCH WALL-MOUNTED CONDENSING BOILER Revision: 1 Data: 28/11/2024 CONDENS PLUS (C38GC20V1) Form code F-POV05-08 Page: 27 din 66 COMMISSIONING Danger! Commissioning works are allowed only to the authorized technician. In order to benefit from all the boiler’s functions for a period as long as possible, it is recommended to perform all the works described below.
  • Page 28: Checking The Presence Of Filter

    INSTALLATION, USE, MAINTENANCE AND SERVICE MANUAL KÖBER LTD Edition: 1 VADURI BRANCH WALL-MOUNTED CONDENSING BOILER Revision: 1 Data: 28/11/2024 CONDENS PLUS (C38GC20V1) Form code F-POV05-08 Page: 28 din 66 Checking the presence of filter Check the presence of the magnetic filter on the installation return according to the indications from chap. 5.3 Check the presence of the softener filter + impurities filter on the domestic hot water inlet circuit according to the indications in chap.
  • Page 29: Gas Connnection

    INSTALLATION, USE, MAINTENANCE AND SERVICE MANUAL KÖBER LTD Edition: 1 VADURI BRANCH WALL-MOUNTED CONDENSING BOILER Revision: 1 Data: 28/11/2024 CONDENS PLUS (C38GC20V1) Form code F-POV05-08 Page: 29 din 66 9. verify the tightness of the entire system. If there are losing, fix the problems; 10.
  • Page 30: Turning The Boiler On

    INSTALLATION, USE, MAINTENANCE AND SERVICE MANUAL KÖBER LTD Edition: 1 VADURI BRANCH WALL-MOUNTED CONDENSING BOILER Revision: 1 Data: 28/11/2024 CONDENS PLUS (C38GC20V1) Form code F-POV05-08 Page: 30 din 66 Turning the boiler on To turn on the boiler, press J7 ( ) fig.7.5 Fig.
  • Page 31: Operation In Heating Mode

    INSTALLATION, USE, MAINTENANCE AND SERVICE MANUAL KÖBER LTD Edition: 1 VADURI BRANCH WALL-MOUNTED CONDENSING BOILER Revision: 1 Data: 28/11/2024 CONDENS PLUS (C38GC20V1) Form code F-POV05-08 Page: 31 din 66 7.9.2 Operation in heating mode The boiler operates in this mode only when selected season "winter". Only radiator operation is available for this type of boiler (operation through the floor is blocked), parameter SP: 01 will be set to 0 (0 = radiator heating).
  • Page 32: Measuring And Regulation Of Dynamic Pressure

    INSTALLATION, USE, MAINTENANCE AND SERVICE MANUAL KÖBER LTD Edition: 1 VADURI BRANCH WALL-MOUNTED CONDENSING BOILER Revision: 1 Data: 28/11/2024 CONDENS PLUS (C38GC20V1) Form code F-POV05-08 Page: 32 din 66 Static pressure when using natural gas G20 must be in the range 25 ÷ 30mbar. The pressure is adjusted from the gas regulator mounted on the fuel supply circuit.
  • Page 33: Selection Of The Pump Operation Mode

    INSTALLATION, USE, MAINTENANCE AND SERVICE MANUAL KÖBER LTD Edition: 1 VADURI BRANCH WALL-MOUNTED CONDENSING BOILER Revision: 1 Data: 28/11/2024 CONDENS PLUS (C38GC20V1) Form code F-POV05-08 Page: 33 din 66 7.11 Selection of the pump operation mode When designing the district heating installation, the hydraulic characteristics of the pump will be taken into account. 7.11.1 Grundfos UPM3 FEXAS pump characteristics If you have a Grundfos UPM3 FLEX AS pump on your boiler, please refer to the pump information below:...
  • Page 34: Wilo Para Ksl Pump Characteristics

    INSTALLATION, USE, MAINTENANCE AND SERVICE MANUAL KÖBER LTD Edition: 1 VADURI BRANCH WALL-MOUNTED CONDENSING BOILER Revision: 1 Data: 28/11/2024 CONDENS PLUS (C38GC20V1) Form code F-POV05-08 Page: 34 din 66 7.11.2 Wilo Para KSL pump characteristics If you have a Wilo Para KSL pump on your boiler, please refer to the pump information below: LED indicator meaning 1 –...
  • Page 35: Setting Additional Functions

    INSTALLATION, USE, MAINTENANCE AND SERVICE MANUAL KÖBER LTD Edition: 1 VADURI BRANCH WALL-MOUNTED CONDENSING BOILER Revision: 1 Data: 28/11/2024 CONDENS PLUS (C38GC20V1) Form code F-POV05-08 Page: 35 din 66 7.12 Setting additional functions The setting of the additional functions of the heating unit is done from the "Service" menu. 7.12.1 Setting up the accumulation boiler operation: Operating mode:...
  • Page 36: Quality And Warranty Conditions

    INSTALLATION, USE, MAINTENANCE AND SERVICE MANUAL KÖBER LTD Edition: 1 VADURI BRANCH WALL-MOUNTED CONDENSING BOILER Revision: 1 Data: 28/11/2024 CONDENS PLUS (C38GC20V1) Form code F-POV05-08 Page: 36 din 66 G. The user manual of the gas boiler is delivered. At the end of the training period, a startup report is signed (tab.4.1), in which he/she signs that he/she has mastered the correct use of the heating unit.
  • Page 37: Maintenance Work

    INSTALLATION, USE, MAINTENANCE AND SERVICE MANUAL KÖBER LTD Edition: 1 VADURI BRANCH WALL-MOUNTED CONDENSING BOILER Revision: 1 Data: 28/11/2024 CONDENS PLUS (C38GC20V1) Form code F-POV05-08 Page: 37 din 66 After the completion of all inspection and maintenance works, the start-up stages will be taken into account (chap. 7). Danger! Danger of death due to electric shock to electrical contacts! Maintenance work...
  • Page 38: 8.7 Checking The Connections On The District Heating Circuit And The Domestic Hot Water Circuit

    INSTALLATION, USE, MAINTENANCE AND SERVICE MANUAL KÖBER LTD Edition: 1 VADURI BRANCH WALL-MOUNTED CONDENSING BOILER Revision: 1 Data: 28/11/2024 CONDENS PLUS (C38GC20V1) Form code F-POV05-08 Page: 38 din 66 8.7 Checking the connections on the district heating circuit and the domestic hot water circuit - the heating and domestic hot water circuits of the boiler are filled and vented;...
  • Page 39: Checking The Secondary Heat Exchanger

    INSTALLATION, USE, MAINTENANCE AND SERVICE MANUAL KÖBER LTD Edition: 1 VADURI BRANCH WALL-MOUNTED CONDENSING BOILER Revision: 1 Data: 28/11/2024 CONDENS PLUS (C38GC20V1) Form code F-POV05-08 Page: 39 din 66 Checking the secondary heat exchanger It involves the following operations (fig. 8.3): - stop and empty the heating unit;...
  • Page 40: Check Flowmeter; Filling Valve; 3-Way Valve; Pressure Sensor; Temperature Sensors; Overpressure Valve; Pump; Fan; Actuator; Actuator

    INSTALLATION, USE, MAINTENANCE AND SERVICE MANUAL KÖBER LTD Edition: 1 VADURI BRANCH WALL-MOUNTED CONDENSING BOILER Revision: 1 Data: 28/11/2024 CONDENS PLUS (C38GC20V1) Form code F-POV05-08 Page: 40 din 66 8.12 Check flowmeter; filling valve; 3-way valve; pressure sensor; temperature sensors; overpressure valve; pump; fan; actuator;...
  • Page 41: Removing The District Heating Return Connection

    INSTALLATION, USE, MAINTENANCE AND SERVICE MANUAL KÖBER LTD Edition: 1 VADURI BRANCH WALL-MOUNTED CONDENSING BOILER Revision: 1 Data: 28/11/2024 CONDENS PLUS (C38GC20V1) Form code F-POV05-08 Page: 41 din 66 8.16 Removing the district heating return connection If it is necessary to disassemble the district heating return connection 3 (fig.
  • Page 42: Errors Description And Troubleshooting

    INSTALLATION, USE, MAINTENANCE AND SERVICE MANUAL KÖBER LTD Edition: 1 VADURI BRANCH WALL-MOUNTED CONDENSING BOILER Revision: 1 Data: 28/11/2024 CONDENS PLUS (C38GC20V1) Form code F-POV05-08 Page: 42 din 66 ERRORS DESCRIPTION AND TROUBLESHOOTING Possible system errors are indicated by the following codes that appear on the display. The significance of the error signals that appear on the display is explained in table 9.1.
  • Page 43 INSTALLATION, USE, MAINTENANCE AND SERVICE MANUAL KÖBER LTD Edition: 1 VADURI BRANCH WALL-MOUNTED CONDENSING BOILER Revision: 1 Data: 28/11/2024 CONDENS PLUS (C38GC20V1) Form code F-POV05-08 Page: 43 din 66 - Flue gas emissions: incorrectly installed kit; with incorrect length or slope; Manual reset from...
  • Page 44 INSTALLATION, USE, MAINTENANCE AND SERVICE MANUAL KÖBER LTD Edition: 1 VADURI BRANCH WALL-MOUNTED CONDENSING BOILER Revision: 1 Data: 28/11/2024 CONDENS PLUS (C38GC20V1) Form code F-POV05-08 Page: 44 din 66 Replacing the electronic board involves the following operations (fig.9.2): - disconnect the heating unit from the electricity and fuel supply;...
  • Page 45 INSTALLATION, USE, MAINTENANCE AND SERVICE MANUAL KÖBER LTD Edition: 1 VADURI BRANCH WALL-MOUNTED CONDENSING BOILER Revision: 1 Data: 28/11/2024 CONDENS PLUS (C38GC20V1) Form code F-POV05-08 Page: 45 din 66 E02 error fix: - it is recommended to power the heating unit on separate layout, directly from the electrical panel of the space served as well as to check the grounding.
  • Page 46 INSTALLATION, USE, MAINTENANCE AND SERVICE MANUAL KÖBER LTD Edition: 1 VADURI BRANCH WALL-MOUNTED CONDENSING BOILER Revision: 1 Data: 28/11/2024 CONDENS PLUS (C38GC20V1) Form code F-POV05-08 Page: 46 din 66 9.5 Error E06, E25 (manually reset error, RESET key) Error E06 is generated by: If there are more than 75 auto resets within 3 hours (due to the fact that the power supply does not correspond to the parameters), the heating unit will enter error E06 that needs manual reset.
  • Page 47 INSTALLATION, USE, MAINTENANCE AND SERVICE MANUAL KÖBER LTD Edition: 1 VADURI BRANCH WALL-MOUNTED CONDENSING BOILER Revision: 1 Data: 28/11/2024 CONDENS PLUS (C38GC20V1) Form code F-POV05-08 Page: 47 din 66 9.8 Occurrence of error E10 (auto-resettable error when the cause disappears) - the water pressure in the system is under 0.8 bar (due to specific causes of the district heating installation);...
  • Page 48 INSTALLATION, USE, MAINTENANCE AND SERVICE MANUAL KÖBER LTD Edition: 1 VADURI BRANCH WALL-MOUNTED CONDENSING BOILER Revision: 1 Data: 28/11/2024 CONDENS PLUS (C38GC20V1) Form code F-POV05-08 Page: 48 din 66 9.9 Occurrence of error E11 (manually resettable error from the RESET key) - quick increase of output water temperature.
  • Page 49 INSTALLATION, USE, MAINTENANCE AND SERVICE MANUAL KÖBER LTD Edition: 1 VADURI BRANCH WALL-MOUNTED CONDENSING BOILER Revision: 1 Data: 28/11/2024 CONDENS PLUS (C38GC20V1) Form code F-POV05-08 Page: 49 din 66 9.11 Error E15 (manually resettable error, RESET key) -lack of water flow signal when the boiler pump is activated E15 error fix: check the continuity of the pump supply cable and - depending on the result - replace the cable or the pump.
  • Page 50 INSTALLATION, USE, MAINTENANCE AND SERVICE MANUAL KÖBER LTD Edition: 1 VADURI BRANCH WALL-MOUNTED CONDENSING BOILER Revision: 1 Data: 28/11/2024 CONDENS PLUS (C38GC20V1) Form code F-POV05-08 Page: 50 din 66 Error E20 is fixed as follows: a) No flame on the burner: The presence of flame is given by the symbol S4 ( ) on the display.
  • Page 51 INSTALLATION, USE, MAINTENANCE AND SERVICE MANUAL KÖBER LTD Edition: 1 VADURI BRANCH WALL-MOUNTED CONDENSING BOILER Revision: 1 Data: 28/11/2024 CONDENS PLUS (C38GC20V1) Form code F-POV05-08 Page: 51 din 66 - check the gas pressure at the outlet of the gas valve during the ignition train. If not present, check the continuity of the supply cables of the gas valve.
  • Page 52 INSTALLATION, USE, MAINTENANCE AND SERVICE MANUAL KÖBER LTD Edition: 1 VADURI BRANCH WALL-MOUNTED CONDENSING BOILER Revision: 1 Data: 28/11/2024 CONDENS PLUS (C38GC20V1) Form code F-POV05-08 Page: 52 din 66 9.13 E23 error (manually resettable error, RESET key) - existence of ionization current outside the combustion cycle; - electrode overheating;...
  • Page 53 INSTALLATION, USE, MAINTENANCE AND SERVICE MANUAL KÖBER LTD Edition: 1 VADURI BRANCH WALL-MOUNTED CONDENSING BOILER Revision: 1 Data: 28/11/2024 CONDENS PLUS (C38GC20V1) Form code F-POV05-08 Page: 53 din 66 9.15 Occurrence of error E30 ...E38 (self-resetting error when the cause disappears) Error E30 (condensate heating units) is generated by: - short-circuited or interrupted flue gas sensor supply circuit;...
  • Page 54 INSTALLATION, USE, MAINTENANCE AND SERVICE MANUAL KÖBER LTD Edition: 1 VADURI BRANCH WALL-MOUNTED CONDENSING BOILER Revision: 1 Data: 28/11/2024 CONDENS PLUS (C38GC20V1) Form code F-POV05-08 Page: 54 din 66 Error E32 (specific to condensing heating units) is generated by: - a fault appeared on the electrical circuit of the temperature sensor mounted on the district heating circuit;...
  • Page 55 INSTALLATION, USE, MAINTENANCE AND SERVICE MANUAL KÖBER LTD Edition: 1 VADURI BRANCH WALL-MOUNTED CONDENSING BOILER Revision: 1 Data: 28/11/2024 CONDENS PLUS (C38GC20V1) Form code F-POV05-08 Page: 55 din 66 9.17 Occurrence of error E40 (manually resettable error, RESET key, when the cause disappears) E40 error fix: - restore the pressure in the installation.
  • Page 56 INSTALLATION, USE, MAINTENANCE AND SERVICE MANUAL KÖBER LTD Edition: 1 VADURI BRANCH WALL-MOUNTED CONDENSING BOILER Revision: 1 Data: 28/11/2024 CONDENS PLUS (C38GC20V1) Form code F-POV05-08 Page: 56 din 66 9.18 Occurrence of error E41 (auto-resettable error when the cause disappears) ©2002-2024 KÖBER SRL SUCURSALA VADURI...
  • Page 57 INSTALLATION, USE, MAINTENANCE AND SERVICE MANUAL KÖBER LTD Edition: 1 VADURI BRANCH WALL-MOUNTED CONDENSING BOILER Revision: 1 Data: 28/11/2024 CONDENS PLUS (C38GC20V1) Form code F-POV05-08 Page: 57 din 66 Fix E41 error: - restore the pressure in the installation. Recommended value 1.1-1.5 bar; - remove air from the installation;...
  • Page 58 INSTALLATION, USE, MAINTENANCE AND SERVICE MANUAL KÖBER LTD Edition: 1 VADURI BRANCH WALL-MOUNTED CONDENSING BOILER Revision: 1 Data: 28/11/2024 CONDENS PLUS (C38GC20V1) Form code F-POV05-08 Page: 58 din 66 E45 error fix: - check if the electrical circuit from the electronic board to the temperature sensor (including the connectors crimped on the cables) has continuity.
  • Page 59 INSTALLATION, USE, MAINTENANCE AND SERVICE MANUAL KÖBER LTD Edition: 1 VADURI BRANCH WALL-MOUNTED CONDENSING BOILER Revision: 1 Data: 28/11/2024 CONDENS PLUS (C38GC20V1) Form code F-POV05-08 Page: 59 din 66 9.23 E50 error (manually resettable error, RESET key) E50 error fix: - check the voltage supply to the fan board;...
  • Page 60: Disposal Of Electrical And Electronic Waste (Geo 5/2015)

    INSTALLATION, USE, MAINTENANCE AND SERVICE MANUAL KÖBER LTD Edition: 1 VADURI BRANCH WALL-MOUNTED CONDENSING BOILER Revision: 1 Data: 28/11/2024 CONDENS PLUS (C38GC20V1) Form code F-POV05-08 Page: 60 din 66 9.24 E52 error (manually resettable error) E52 error fix: - check the continuity of the cables from the fan to the electronic board, including the connectors crimped on the cables; - visually check if the fan rotates, if not, replace it;...
  • Page 61: Annexes

    INSTALLATION, USE, MAINTENANCE AND SERVICE MANUAL KÖBER LTD Edition: 1 VADURI BRANCH WALL-MOUNTED CONDENSING BOILER Revision: 1 Data: 28/11/2024 CONDENS PLUS (C38GC20V1) Form code F-POV05-08 Page: 61 din 66 ANNEXES 11.1 Wiring diagram Fig. 11.1 Description of the symbols in the connection diagram Symbol Description 5 VDC power supply for logic circuits...
  • Page 62: 11.2 Hydraulic Scheme

    INSTALLATION, USE, MAINTENANCE AND SERVICE MANUAL KÖBER LTD Edition: 1 VADURI BRANCH WALL-MOUNTED CONDENSING BOILER Revision: 1 Data: 28/11/2024 CONDENS PLUS (C38GC20V1) Form code F-POV05-08 Page: 62 din 66 11.2 Hydraulic scheme Fig. 10.2 LEGEND 1 - Flue gas temperature sensor 11 - Filling tap 2 - Primary heat exchanger 12 - 3 bar safety valve...
  • Page 63: Sketches Required For Assembly And Start-Up

    INSTALLATION, USE, MAINTENANCE AND SERVICE MANUAL KÖBER LTD Edition: 1 VADURI BRANCH WALL-MOUNTED CONDENSING BOILER Revision: 1 Data: 28/11/2024 CONDENS PLUS (C38GC20V1) Form code F-POV05-08 Page: 63 din 66 11.1 Sketches required for assembly and start-up Types of assembly configurations, for wall-mounted condensing heating unit C38GC20V1 Fig.
  • Page 64: Recommended Minimum Distance For Coaxial Mounting Kit

    INSTALLATION, USE, MAINTENANCE AND SERVICE MANUAL KÖBER LTD Edition: 1 VADURI BRANCH WALL-MOUNTED CONDENSING BOILER Revision: 1 Data: 28/11/2024 CONDENS PLUS (C38GC20V1) Form code F-POV05-08 Page: 64 din 66 11.1 Recommended minimum distance for coaxial mounting kit Fig. 10.4.1 GARAGE, ANEX, ETC. Fig.
  • Page 65: Function Diagrams For Boiler

    INSTALLATION, USE, MAINTENANCE AND SERVICE MANUAL KÖBER LTD Edition: 1 VADURI BRANCH WALL-MOUNTED CONDENSING BOILER Revision: 1 Data: 28/11/2024 CONDENS PLUS (C38GC20V1) Form code F-POV05-08 Page: 65 din 66 11.1 Function diagrams for boiler 11.1.1 Radiators heating and preparing hot water instantly 11.1.2 Underfloor heating and preparing hot water instantly ©2002-2024 KÖBER SRL SUCURSALA VADURI...
  • Page 66: Underfloor Heating And Preparing Hot Water Storage (Storage Boiler Motan)

    Revision: 1 Data: 28/11/2024 CONDENS PLUS (C38GC20V1) Form code F-POV05-08 Page: 66 din 66 11.1.3 Underfloor heating and preparing hot water storage (storage boiler MOTAN) 11.1.4 Underfloor heating and preparing hot water storage (storage boiler MOTAN) ©2002-2024 KÖBER SRL SUCURSALA VADURI...

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