ApenGroup LKH Series Use, Installation And Maintenance Manual
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ApenGroup LKH Series Use, Installation And Maintenance Manual

Hybrid condensing warm air heater
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Use, Installation and Maintenance Manual
LKH HYBRID CONDENSING WARM AIR HEATER
TRANSLATION OF ORIGINAL Manual
LKH - KONDENSA HYBRID
1
code HG0143.00GB ed.A-2405

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Summary of Contents for ApenGroup LKH Series

  • Page 1 Use, Installation and Maintenance Manual LKH HYBRID CONDENSING WARM AIR HEATER TRANSLATION OF ORIGINAL Manual LKH - KONDENSA HYBRID code HG0143.00GB ed.A-2405...
  • Page 2 APEN GROUP S.p.A. 20042 Pessano con Bornago (MI) Via Isonzo, 1 Tel +39.02.9596931 r.a. Fax +39.02.95742758 Internet: http://www.apengroup.com Il presente documento dichiara che la macchina: With this document we declare that the unit: Modello: Generatore d’aria calda ibrido a condensazione LKH Model: hybrid condensing warm air heater LKH è...
  • Page 3 Via Isonzo, 1 - ITALY Tel +39.02.9596931 r.a. Fax +39.02.95742758 Internet: http://www.apengroup.com With this document we declare that the unit: Model: Hybrid Condensing Warm Air Heater LKH has been designed and manufactured in compliance with the prescriptions of the following Regulations: Regulation 2016/426 on gas appliances as brought into UK law and amended •...

  • Page 4: Table Of Contents

    LKH HYBRID WARM AIR HEATER TABLE OF CONTENTS 1. GENERAL CAUTIONS ................................5 2. SAFETY-RELATED WARNINGS .............................5 2.1. Fuel ........................................5 2.2. Gas Leaks ......................................5 2.3. Power supply ......................................6 2.4. Use ......................................... 6 2.5. Maintenance ......................................6 2.6. Transport and Handling ..................................7 2.7.

  • Page 5: General Cautions

    37/2007 (ex 46/90) the unit; • move away from the unit For more information, visit our website www.apengroup.com or • call for qualified staff. contact Apen Group directly. • call the Fire Brigade.

  • Page 6: Power Supply

    LKH HYBRID WARM AIR HEATER 2.3. Power supply 2.5. Maintenance The heater must be correctly connected to an effective earthing NOTE: Maintenance operations and combustion system, made in compliance with current regulations (IEC 64-8, inspections must be carried out in compliance with applies to Italy only).

  • Page 7: Transport And Handling

    LKH HYBRID WARM AIR HEATER 2.6. Transport and Handling INFORMATION FOR DISPOSAL valid in ITALY (Legislative Decree 49/2014) The heater is delivered fastened to a pallet and covered with a The heaters and relating accessories are considered suitably secured cardboard box. “professional WEEE - waste electrical and electronic equipment”.

  • Page 8: Technical Features

    Heat pump HP Smart X programmable thermostat is able to run the heater in An ApenGroup or other supplier's HP or other hot\cold water the best conditions, activating only one or both heat generation source must be connected to supply the water coil on board systems: gas heat exchanger and water coil.

  • Page 9: Technical Data

    LKH HYBRID WARM AIR HEATER 3.1. Technical Data General data LKH044 EC approval PIN. 0476DN1714 Heating performance Rated power 15.2 (Coil) +28.8 (GAS Heat exchanger) Conditioning performance Rated power 11.5 (Coil) Electrical Characteristics Supply voltage 230 Vac - 50 Hz single-phase Rated power Protection Rating IP 20...
  • Page 10 LKH HYBRID WARM AIR HEATER GAS heat exchanger data LKH044 Type of equipment B23 - B23P - C13 - C33 - C53 - C63 EC approval PIN. 0476DN1714 NOx class [EN17082:2019] Type of fuel Gaseous Heater Performance Burner heat output (Hi) 30.0 Useful heat output [P 28.8...

  • Page 11: Regulation (Eu) 2016/2281

    LKH HYBRID WARM AIR HEATER 3.2. REGULATION (EU) 2016/2281 Product Information in accordance with Annex 2 point 5 a) Model: See table Warm air heaters B1 [yes/no]: Warm air heaters C2 [yes/no]: Warm air heaters C4 [yes/no]: Type of fuel Gaseous [gaseous/liquid/electricity]: Capacity...

  • Page 12: Air Flow Performance

    LKH HYBRID WARM AIR HEATER 3.4. Air flow performance The air flow range, or air throw, is the distance reached by the air jet before its speed decreases and equals the reference speed, assumed to be 0.2 m/s. The throw depends on the speed of the air leaving the heater, which in turn depends on the air flow rate and on the section of the heater air passage.

  • Page 13: Dimensions

    LKH HYBRID WARM AIR HEATER 3.5. Dimensions HG0143.00_C2_001 HG0143.00_C2_001 HG0143.00_C2_001 HG0143.00_C2_001 HG0143.00_C2_001 HG0143.00_C2_001 HG0143.00_C2_001 HG0143.00_C2_001 1085 Mod. Mod. Vertical drains (OPT.) Horizontal exhausts (STD) HG0143.00_C2_001 [mm] [mm] HG0143.00_C2_001 HG0143.00_C2_001 LKH044 LKH044 1085 HG0143.00_C2_001 HG0143.00_C2_001 HG0143.00_C2_001 HG0143.00_C2_001 1085 HG0143.00_C2_001 HG0143.00_C2_001 HG0143.00_C2_001 1647 1647 Mod.
  • Page 14 LKH HYBRID WARM AIR HEATER Packaging Mod. Bi Bi Li Li Hi Hi [mm] LKH044 1030 LKH - KONDENSA HYBRID code HG0143.00GB ed.A-2405...

  • Page 15: User's Instructions

    The management function keys: ↑ , ↓ , ESC and ENTER; the display allows the user will be complete if an ApenGroup’s HP is present, controlling to display the heater operating mode and its Faults. It also allows all its parameters;...
  • Page 16 LKH HYBRID WARM AIR HEATER the menus. To select the menu, or select the parameter, press “Value” for NTC1 probe temperature (modulation) ENTER. The parameter can be changed using the arrows: “Value” for NTC2 probe temperature (not used) pressing ↑ (up arrow) increases the parameter by 1, pressing ↓ (down arrow) reduces it by 1.

  • Page 17: Reset

    LKH HYBRID WARM AIR HEATER 4.4. Flame indication LED Entering the password • From the home screen (rdy/Sty/rOF/OFF/HEA/Air/COO/ An orange LED is present on board the CPU PCB, indicating SAn/EXX) press ENTER then use the ↑ (up arrow) and ↓ the opening of the gas valve and/or the presence of flame.

  • Page 18: Navigation Map Of Lcd Display Menu Cpue G26800

    LKH HYBRID WARM AIR HEATER 4.5. Navigation map of LCD display menu CPUE G26800 Level Level Level ENTER ENTER ENTER “Confirm” type of operation ENTER “Confirm” ENTER ENTER “Confirm” adjustment burner ENTER “Confirm” display machine status ENTER ENTER “Confirm” function degasser “Axx”...
  • Page 19 LKH HYBRID WARM AIR HEATER - "input management" - "output management" ENTER ENTER “Value” “Value” “Value” “Value” “Value” “Value” ENTER “Value” “Value” “Value” “Value” ENTER “Value” “OPn/CLS” “Value” “OPn/CLS” “OPn/CLS” “OPn/CLS” “OPn/CLS” “OPn/CLS” “OPn/CLS” “OPn/CLS” “OPn/CLS” “OPn/CLS” - “PCB parameters” ENTER “PWD”...

  • Page 20: Adjustment

    Smart X is higher than INS_CHW and switched off when the PID is lower than DNS_CHW. However, if the HP is in alarm or machine with E20/E22. defrost phase (ApenGroup's HP only) and the PID is less than The lockout E20 is classified as "non-volatile" and requires a manual reset.

  • Page 21: Accessories

    LKH HYBRID WARM AIR HEATER 4.7. Accessories integrated on board, as main or additional probes, which allow obtaining an average room temperature on 4 points. The LKH heater must be compulsorily combined with: • a Smart X programmable thermostat (FW version higher The remote controls of the Smart X series allow, through the PID than or equal to 2.07.21) regulation, calculating in real time a percentage of modulation...

  • Page 22: Installation Instructions

    LKH HYBRID WARM AIR HEATER INSTALLATION INSTRUCTIONS Fixed shelf For installation, a fixed bracket with kit code G13700.02 is Instructions for installing and setting the heater are intended for available as an accessory. suitably qualified personnel only. For installation, follow the instructions on the paper template supplied with the kit.

  • Page 23: Hydraulic Connections

    LKH HYBRID WARM AIR HEATER 5.3. Hydraulic connections Safety valve A safety valve set at 1.5 times the maximum pressure of the Hydraulic connections must be carried out in compliance with weakest element in the circuit must be provided in the hydraulic national or local regulations;...
  • Page 24 HP The connection to the HP is via Modbus if it is an ApenGroup's HP (---), otherwise it is a normal connection to the relays on board the LKH heater (...).

  • Page 25: Condensate Drain

    Trap The trap, installed inside the heater, has a condensate detection The LKH series heaters are flue gas condensing appliances. electrode that shuts down the generator in case the condensate The lowering of the flue gas temperature in the tube bundle of...

  • Page 26: Connections To The Flue

    LKH HYBRID WARM AIR HEATER 5.5. Connections to the Flue Finned coil condensate During conditioning, the LKH heater must drain the condensate The LKH heaters are fitted with a sealed combustion circuit and that forms on the finned coil. To this end, a coil condensate with the fan located upstream of the heat exchanger.
  • Page 27 LKH HYBRID WARM AIR HEATER All components must be CE marked, certified in compliance NOTE: If the module is installed indoor: with EN 1856-1 and EN1856-2 standards and identified by an - using coaxial connections is allowed for heaters ID plate showing their features. Below is an example: with a maximum length of 3 metres;...
  • Page 28 LKH HYBRID WARM AIR HEATER Fume exhaust and rear air intake Installing the terminals The LKH heaters have a rear and top air intake and fume exhaust. According to installation requirements, the terminals can be fitted at the back or at the top. The inlet and outlet castings are normally installed on the rear side of the machine;...
  • Page 29 LKH HYBRID WARM AIR HEATER Type C53 terminal Fumes OUT Combustion circuit watertight to the environment. One of the ducts is connected to the roof, the other to the wall. of the pipe routing made with the Ø shown, excluding the terminal.
  • Page 30 LKH HYBRID WARM AIR HEATER Horizontal coaxial C13 terminal Combustion circuit watertight to the environment. The ducts go directly through the wall. of the pipe routing made with the Ø shown, excluding the 1max terminal. HG140.00_IM_024 The terminal consists of: •...

  • Page 31: Electrical Connections

    LKH HYBRID WARM AIR HEATER 5.6. Electrical connections Connection of Apen Group’s HP To connect an Apen Group's HP to the LKH heater, simply Cautions connect the Smart X to the LKH heater CPU and the Apen • The Smart X programmable thermostat connection must Group HP via ModBus.
  • Page 32 LKH HYBRID WARM AIR HEATER Smart X Web/Easy connection Connecting Queen EC destratifiers Use the connector provided to connect the Please refer to data sheet KG0170 Smart X Web/Easy. Connect power supply with shielded wiring with a minimum cross-section of 0.5 mm , respecting polarity.

  • Page 33: Modulation Pcb Parameters

    LKH HYBRID WARM AIR HEATER 5.7. Modulation PCB parameters All values of the parameters of the CPU PCB are shown for all LKH heater models. The “LCD” column shows the parameters that could be modified with Password via remote LCD control (even with modbus address ≠...
  • Page 34 LKH HYBRID WARM AIR HEATER Parameters of G26800 CPU PCB version 8.03.xx Parameter Name LKH044 DESCRIPTION Smart U.M. REG 02 rGL R20 Control 02 - NOT USED ON LKH Adjustment enabling REG_02 0 = disabled REG 03 rGL R30 Control 03 - NOT USED ON LKH Adjustment enabling REG_03 0 = disabled...
  • Page 35 LKH HYBRID WARM AIR HEATER Parameters of G26800 CPU PCB version 8.03.xx Parameter Name LKH044 DESCRIPTION Smart U.M. FUNC 02 Function 02 - NOT USED ON LKH Control enabling FN_02 0 = disabled FUNC 03 Fnu P30 Ventilation Management Function (EC-AC Fans) Function enabling 0 = disabled 1 = proportional POT%_OUT enabled...
  • Page 36 LKH HYBRID WARM AIR HEATER Parameters of G26800 CPU PCB version 8.03.xx Parameter Name LKH044 DESCRIPTION Smart U.M. NTC input configuration NTC1 Activates or deactivates NTC1 input NTC2 Activates or deactivates NTC2 input NTC3 Activates or deactivates NTC3 input B0 Input Configurations (flue gas fan speed) - DO NOT CHANGE! B0 analogue input enabling 0 = disabled 1 = enabled...
  • Page 37 LKH HYBRID WARM AIR HEATER Parameters of G26800 CPU PCB version 8.03.xx Parameter Name LKH044 DESCRIPTION Smart U.M. Y0 Analogue Output Configuration - DO NOT CHANGE! Direct/reverse output configuration 0 = direct output: the maximum calculation value (100%) corresponds to the maximum output value 1 = reverse output: the maximum calculation value (100%) corresponds to the minimum output value Minimum voltage (or PWM in %) output value...

  • Page 38: Analysis Of Lockouts- Faults

    LKH HYBRID WARM AIR HEATER 5.8. Analysis of lockouts- faults The CPU-SMART manages two types of lockouts: • preventive, it warns the customer that the LKH heaters require maintenance; • operational, it stops the LKH heater for safety reasons or to ensure its correct operation. Some operational faults require manual reset;...
  • Page 39 LKH HYBRID WARM AIR HEATER CODE DESCRIPTION CAUSE RESET Flue Gas Fan Fault Alarms (VAG) • Flue gas fan (VAG) power supply interrupted; • Flue gas fan (VAG) fault; • CPU PCB fault. To check possible CPU failure, No flue gas fan (VAG) start-up or disconnect 4-wire connector (PWM) from flue gas Manual speed too low in start-up phase...
  • Page 40 LKH HYBRID WARM AIR HEATER CODE DESCRIPTION CAUSE RESET Parameter configuration error alarms Not used. Programming error of par. CTRL_01. Set Pressure probe error par. CTRL_01 = 0 Not used. Programming error of par. CTRL_01. Set Pressure less than ST_H20 setpoint par.

  • Page 41: Gas Connection

    LKH HYBRID WARM AIR HEATER 5.9. GAS Connection NOTE: For ease of maintenance, connect the heater by means of a seal and swivel gasket. Use the gas line connections only with CE certified components. Avoid using threaded connections directly on the gas connection. The heater is supplied complete with: Current legislation allow a maximum pressure inside the - double coil gas valve...

  • Page 42: Servicing Instructions

    LKH HYBRID WARM AIR HEATER SERVICING INSTRUCTIONS The first start-up must be carried out only by authorised service centres. The first start-up also includes a combustion analysis, which is compulsory. The equipment is certified in the EC and non-EC countries, according to the gas categories shown below. 6.1.

  • Page 43: Gas Settings Table

    LKH HYBRID WARM AIR HEATER 6.2. Gas Settings Table LKH-KONDENSA HYBRID table If a Hydrogen-ready installation is provided for H2 percentages up to 20% (referred to gas distributed in the network), all gas valve calibration operations must refer to the O2 values in G20 table TYPE OF GAS G20 - Cat.
  • Page 44 LKH HYBRID WARM AIR HEATER TYPE OF GAS G2.350 - Cat. Ls (Only for PL-Poland) TYPE OF MACHINE LKH044 CATEGORY according to the country of destination - see reference table SUPPLY PRESSURE [mbar] 13 [min 10-max 16] GAS CONSUMPTION (15°C-1013mbar) CARBON DIOXIDE -CO [%] ±...
  • Page 45 LKH HYBRID WARM AIR HEATER TYPE OF GAS G30 - cat. 3B-P * TYPE OF MACHINE LKH044 CATEGORY according to the country of destination - see reference table SUPPLY PRESSURE [mbar] 30 [min 25-max 35] - 50 [min 42.5-max 57.5] GAS CONSUMPTION [kg/h] (15°C-1013mbar)

  • Page 46: Starting Up For The First Time

    LKH HYBRID WARM AIR HEATER 6.3. Starting up for the first time ATTENTION: IT IS FORBIDDEN to loosen the gas connections, the pressure connectors or any other gas The LKH heaters are supplied already set up and tested for the connection point located inside the burner housing, to gas specified on the nameplate.

  • Page 47: Conversion To Lpg

    LKH HYBRID WARM AIR HEATER 6.5. Conversion to LPG 6.6. Conversion to gas G25 - G25.1 - G25.3 - G27 Conversion is strictly prohibited in some countries, such Conversion for gasses from G20 to G25 or G25.1 or G25.3 as Belgium, which do not allow the double gas category. or G27 is allowed only in countries of category II2ELL3B/P [Germany], II2Esi3P [France], II2E3P [Luxembourg] and category The unit is supplied already set for natural gas and with the kit...

  • Page 48: Replacing The Gas Valve

    LKH HYBRID WARM AIR HEATER 6.8. Replacing the Gas Valve 6.10. Replacing the modulation PCB If the gas valve must be replaced, it is required to proceed with When replacing the CPU modulation PCB, it is required to carry an inspection and possibly calibrate the CO level through the out some essential operations, described below.

  • Page 49: Maintenance

    LKH HYBRID WARM AIR HEATER MAINTENANCE 1) Inspection of electrodes Remove the electrode. Check the integrity of the ceramic and To keep the heater efficient and guarantee a long lifetime of the use sandpaper to remove any oxidation on the metal parts of same, it is advisable to run some inspections at regular intervals: the electrodes.
  • Page 50 LKH HYBRID WARM AIR HEATER 5) Inspection and cleaning of the condensate collection tray 9) Inspection of the ionization current Clean the trap every year, and check the connections. Make This procedure can be done directly from the LCD display by sure there are no traces of metallic residue.

  • Page 51: Wiring Diagram

    LKH HYBRID WARM AIR HEATER WIRING DIAGRAM JG0442.00IT LKH - KONDENSA HYBRID code HG0143.00GB ed.A-2405...
  • Page 52 LKH HYBRID WARM AIR HEATER LKH - KONDENSA HYBRID code HG0143.00GB ed.A-2405...

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