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

Floor standing warm air heater
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EN
PK series FLOOR STANDING WARM AIR HEATER with NEW CPU
ErP
2021
Compliant
EU/2016/2281
Capacities from 100 to 550 kW
Efficiency up to 101%
Reduction of
Thermal Stratification
For Indoor and Outdoor Use
TRANSLATION OF ORIGINAL Manual
code HG0330.00GB Ed.A-2303
Use, Installation and Maintenance Manual
NEW VERSION
CPU G26800
1
APEN GROUP SPA reserves the right to make changes deemed to be required to its products or documentation
PK

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Summary of Contents for ApenGroup PK Series

  • Page 1 Use, Installation and Maintenance Manual PK series FLOOR STANDING WARM AIR HEATER with NEW CPU NEW VERSION CPU G26800 2021 Compliant EU/2016/2281 Capacities from 100 to 550 kW Efficiency up to 101% Reduction of Thermal Stratification For Indoor and Outdoor Use TRANSLATION OF ORIGINAL Manual code HG0330.00GB Ed.A-2303...
  • Page 2 PK series Floor Standing Warm Air Heater User, Installation and Maintenance Manual VER. 01.2020 Dichiarazione di Conformità Statement of Compliance 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:...
  • Page 3 PK series Floor Standing Warm Air Heater User, Installation and Maintenance Manual • • • • • • • • • • • • • • • • • • code HG0330.00GB Ed.A-2303 APEN GROUP SPA reserves the right to make changes deemed to be required to its products or documentation...

  • Page 4: Table Of Contents

    PK series Floor Standing Warm Air Heater User, Installation and Maintenance Manual INDEX SECTION GENERAL WARNINGS ......................SECTION SAFETY-RELATED WARNINGS ..................Fuel ..........................6 Gas Leaks ........................6 Power Supply ........................7 Use ..........................7 Air Vents .........................7 Maintenance ........................7 Transport and Handling ....................8 Packaging ........................8...
  • Page 5 PK series Floor Standing Warm Air Heater User, Installation and Maintenance Manual SECTION INSTALLATION INSTRUCTIONS ..................Where to install the Heater .....................46 Wiring to Power Supply ....................48 Electrical Connections ....................49 Wiring the Burner ......................50 Optional Accessories ......................51 Wiring diagrams ......................65 Burner matching ......................68...

  • Page 6: Safety-Related Warnings

    • For Italy, the “technical service” tab of Apen Group website www. indicated in the manual, and includes all safety and control apengroup.com indicates several Technical Service Centres devices required by the law; that the user can contact to have the first start-up, adjustment •...

  • Page 7: Power Supply

    PK series Floor Standing Warm Air Heater User, Installation and Maintenance Manual Power supply Air Vents 2.3. 2.5. The heater must be correctly connected to an effective earthing The room where gas fired heater will be installed must be provided system, fitted in compliance with current legislation. with one or more air vents. These air vents must be fitted flush to the ceiling for gases with density lower than 0.8sqm; Cautions: • Check the efficiency of the earthing system and, if required, flush to the floor for gases with density higher than or • • call out a qualified engineer.

  • Page 8: Transport And Handling

    PK series Floor Standing Warm Air Heater User, Installation and Maintenance Manual Transport and Handling 2.7. In the first case, use fork extensions as long as heater width. Vertical heaters are delivered fastened to a pallet. Horizontal heaters have their own base. If a crane is to be used, insert in holes in heater base rods with Unload the heater from the truck and move it to the site of...

  • Page 9: Unpacking

    PK series Floor Standing Warm Air Heater User, Installation and Maintenance Manual Unpacking 2.9. INFORMATION FOR DISPOSAL valid abroad (EU The unpacking operation must be carried out by using suitable COUNTRIES except Italy). tools or safety devices where required. Recovered packaging...

  • Page 10: How To Identify The Heater

    PK series Floor Standing Warm Air Heater User, Installation and Maintenance Manual How to Identify the Heater 2.11. PK warm air heaters can be identified using their nameplate, stuck on the front of the unit. The nameplate shows all the data needed for identifying the heater model. When required by Service Centre, read the heater model and serial number on the nameplate, which identify your unit.

  • Page 11: Technical Features

    PK series Floor Standing Warm Air Heater User, Installation and Maintenance Manual TECHNICAL FEATURES Main Components 3.1. Operating Temperatures: Warm air heaters include: A- direct drive -20°C +40°C • stainless steel heat exchanger belt drive -20°C +85°C • frame and body The following fans are available on demand: •...

  • Page 12: Choosing The Heater

    PK series Floor Standing Warm Air Heater User, Installation and Maintenance Manual Choosing the Heater 3.2. Heaters are available in condensing versions (K and R series A work field has been tested and approved for each heater. This respectively) and in non-condensing version (N series). R series field allows the heater to be used at different power and efficiency meets the efficiency requests of the regional resolutions of levels based on effective output power. When choosing a heater Lombardy, Emilia Romagna and Piedmont; at European level, model, the following criteria have to be taken into account: its...

  • Page 13: Diagrams Of Output Heat/Efficiency Ratio Of Pk-K Heaters

    PK series Floor Standing Warm Air Heater User, Installation and Maintenance Manual Diagrams of Output Heat/Efficiency Ratio of PK-K Heaters 3.4. Potenze - Rendimenti Power - Efficiency Potenza Termica kW Heat output kW Potenze - Rendimenti Power - Efficiency Heat output kW Potenza Termica kW code HG0330.00GB Ed.A-2303...

  • Page 14: Diagrams Of Output Heat/Efficiency Ratio Of Pk-R Heaters

    PK series Floor Standing Warm Air Heater User, Installation and Maintenance Manual Diagrams of Output Heat/Efficiency Ratio of PK-R Heaters 3.5. Potenze - Rendimenti Power - Efficiency Heat output kW Potenza Termica kW Potenze - Rendimenti Power - Efficiency Potenza Termica kW Heat output kW code HG0330.00GB ed.A-2303...

  • Page 15: Technical Data

    PK series Floor Standing Warm Air Heater User, Installation and Maintenance Manual Technical Data 3.6. Technical data table for PKA, PKE Series N. Technical data for PKA-N and PKE-N models are the same. Heat Input and Efficiency Data Model PKA140N...
  • Page 16 PK series Floor Standing Warm Air Heater User, Installation and Maintenance Manual Technical data table for PKA, PKE Series K. Technical data for PKA-K and PKE-K models are the same. Heat Input and Efficiency Data Model PKA100K PKA140K PKA190K PKA250K...
  • Page 17 PK series Floor Standing Warm Air Heater User, Installation and Maintenance Manual Technical data table for PKA, PKE Series R. Technical data for PKA-R and PKE-R models are the same. Heat Input and Efficiency Data Model PKA100R PKA140R PKA190R PKA250R...
  • Page 18 PK series Floor Standing Warm Air Heater User, Installation and Maintenance Manual Air flow rate technical data, head pressure and installed power supply. Values of PKA and PKE are identical, as well as values of N, K and R series...

  • Page 19: Noise

    PK series Floor Standing Warm Air Heater User, Installation and Maintenance Manual 3.7. Noise DUCTED HEATERS The following table shows sound power values, LwA, and sound pressure values, LpA, issued by PKA/E heaters of 10W and 20W versions. The value refers to heaters with ducted intake and delivery.

  • Page 20: Dimensions Of Pka Vertical Heater

    PK series Floor Standing Warm Air Heater User, Installation and Maintenance Manual Dimensions of PKA Vertical Heater 3.8. INDOOR VERTICAL HEATERS (Series N, K and R) KG0100 C2 001 Overall dimensions Intake Delivery Profile Chimney Burner Weight Model Ø R Ø T...
  • Page 21 PK series Floor Standing Warm Air Heater User, Installation and Maintenance Manual Integrated Models Air Intake All PKA vertical heaters, up to 320 included, are supplied as Standard air intake is on the right side of the heater (seen from a single unit. the burner). The grid can be moved to left side by the installer or Apen Two-Assembly Models Group (on demand).

  • Page 22: Dimensions Of Pka Horizontal Heater

    PK series Floor Standing Warm Air Heater User, Installation and Maintenance Manual Dimensions of PKA Horizontal Heater 3.9. INDOOR HORIZONTAL HEATERS (Series N, K and R) KG0100 C2 003 Model Overall dimensions Intake Delivery Profile Chimney Burner Weight Ø R Ø...
  • Page 23 PK series Floor Standing Warm Air Heater User, Installation and Maintenance Manual Integrated Models Heaters are supplied on a galvanized base, prepared for lifting All PKA horizontal heaters, up to 320 included, are supplied as a single unit. with lift truck or crane. Two-Assembly Models Air Intake From 420 model onward, heaters are split in two assemblies: Standard air intake is on the back of the heater.

  • Page 24: Dimensions Of Pke Vertical Heater

    PK series Floor Standing Warm Air Heater User, Installation and Maintenance Manual 3.10. Dimensions of PKE Vertical Heater (Series N, K and R) OUTDOOR VERTICAL HEATERS (Series N, K and R) Overall dimensions Intake Delivery Profile Chimney Burner Burner Casing...
  • Page 25 PK series Floor Standing Warm Air Heater User, Installation and Maintenance Manual Integrated Models All PKE vertical heaters, up to 320 included, are supplied as a USE the supplied polarised connector for the electrical single unit with assembled burner casing. connection between exchanger (thermostats) and control panel. Three-Assembly Models Air Intake...

  • Page 26: Dimensions Of Pke Horizontal Heater

    PK series Floor Standing Warm Air Heater User, Installation and Maintenance Manual Dimensions of PKE Horizontal Heater (Series N, K and R) 3.11. OUTDOOR HORIZONTAL HEATERS (Series N, K and R) KG0100 C2 006 Overall Type Intake Delivery Profile Chimney...
  • Page 27 PK series Floor Standing Warm Air Heater User, Installation and Maintenance Manual Integrated Models All PKE horizontal heaters for outdoor installation, up to 320 a polarised connector for the electrical connection between exchanger (control panel) and fan motors. included, are supplied as a single unit with assembled burner Heaters are supplied on a galvanized base, prepared for lifting casing.

  • Page 28: User Instructions

    PK series Floor Standing Warm Air Heater User, Installation and Maintenance Manual USER'S INSTRUCTIONS Operation 4.1. PK heater operation is fully automatic; it is equipped with a heater control PCB that manages all the burner control operations and with a microprocessor based electronic PCB that controls the heat output regulation. PK heaters are fitted as standard with a multifunction LCD...

  • Page 29: Accessories

    PK series Floor Standing Warm Air Heater User, Installation and Maintenance Manual 4.2. Accessories Ambient temperature adjustment The PK heaters are supplied without a remote control and/or room Safety thermostat thermostat as they can operate with different remote controls, A safety thermostat with manual reset is installed on the PK some of which are supplied by APEN GROUP as accessories, heaters; the breakage of the sensitive element corresponds to others are commercially available.
  • Page 30 PK series Floor Standing Warm Air Heater User, Installation and Maintenance Manual 4.3. Smart X 4.3.1. CONTINUOUS VENTILATION The activation of VENTILATION control enables the operating The Smart X remote control must be configured by the installer logic as shown below: with the type of system and with all the parameters necessary for the air heating unit to work to its best.
  • Page 31 PK series Floor Standing Warm Air Heater User, Installation and Maintenance Manual 4.3.2. POOL CONTROL 4.3.3. SILENT FUNCTION By activating the POOL control, the Smart sends the POOL By activating the SILENT function, it is possible to manage fan operation by forcing a fixed preset speed using the key command to the CPU, with the logic described below.
  • Page 32 PK series Floor Standing Warm Air Heater User, Installation and Maintenance Manual Virtual Mode Remote ID2 Mode If the “VIRTUAL on SMART” mode is selected (YES-SMART), If the “REMOTE ID2” mode is selected (YES-ID2), the “ID2 FEATHER” key (not touch key) is shown in HOME, allowing the “FEATHER” key is shown in HOME, allowing you to activate...

  • Page 33: Smart X

    PK series Floor Standing Warm Air Heater User, Installation and Maintenance Manual 4.3.4. REMOTE ON/OFF (OPTIONAL) 4.3.5. FILTER CONTROL (OPTIONAL) PK heaters, if purchased with an optional intake filter kit, are Any priority ON/OFF contact can be remotely controlled from the Smart X Web remote control, by connecting to terminals 1 (ID1) equipped with a pressure sensor to constantly control the status of installed filters.
  • Page 34 PK series Floor Standing Warm Air Heater User, Installation and Maintenance Manual 4.3.6. WEB CONFIGURATION IT is possible to configure the Smart X Web remote control so as to manage it entirely through a PC (or other device) connected to a private local network (Intranet). In order to use the Smart X Web remotely the control must be connected to the network with an Ethernet cable of the direct RJ45 type.

  • Page 35: Servicing Instructions

    PK series Floor Standing Warm Air Heater User, Installation and Maintenance Manual Interface Panel SERVICING INSTRUCTIONS 5.2. The PK heaters are fitted as standard with a multifunction LCD panel located on the front panel of the suspended heater, Operating Cycle 5.1.
  • Page 36 PK series Floor Standing Warm Air Heater User, Installation and Maintenance Manual Navigating the menu Input - InP Menu The menu has three levels. The first and the second are Allows to display the value and/or status of analogue and digital accessible without entering a password, the third requires inputs.

  • Page 37: Reset

    PK series Floor Standing Warm Air Heater User, Installation and Maintenance Manual In order to change the value of the parameters, the password must be entered in the Abi submenu. Entering the password • From the home screen (rdy/Sty/OFF/HEA/Air/COO/SAn/ EXX) press ENTER then use the ↑ (up arrow) and ↓ (down arrow) arrows to go to the PAR item; use the ↑ (up arrow)

  • Page 38: Navigation Map Of Lcd Display Menu

    PK series Floor Standing Warm Air Heater User, Installation and Maintenance Manual Navigation map of LCD display menu CPUE G26800 5.5. Level Level Level ENTER ENTER ENTER “Confirm” type of operation ENTER “Confirm” ENTER ENTER “Confirm” adjustment burner ENTER “Confirm”...
  • Page 39 PK series Floor Standing Warm Air Heater User, Installation and Maintenance Manual - "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”...

  • Page 40: Modulation Pcb Parameters

    PK series Floor Standing Warm Air Heater User, Installation and Maintenance Manual Modulation PCB Parameters 5.6. All values of the parameters of the CPU PCB are shown for all PK heater models. The “LCD” column shows the parameters that could be modified with “007” Password via remote LCD control (even with modbus address ≠ 0). The “Smart” column shows the parameters that can only be modified with Smart X or via modbus with a second level Password, which can be requested to the manufacturer's Customer Service. Parameters of G26800 CPU PCB version 8.02.xx Parameter Name PK heater Smart U.M.
  • Page 41 PK series Floor Standing Warm Air Heater User, Installation and Maintenance Manual Parameters of G26800 CPU PCB version 8.02.xx Parameter Name PK heater Smart U.M. DESCRIPTION Modulation Adjustment from 0/10 Vdc Control - NOT USED REG 04 rGL R40 REG_04...
  • Page 42 PK series Floor Standing Warm Air Heater User, Installation and Maintenance Manual Parameters of G26800 CPU PCB version 8.02.xx Parameter Name PK heater Smart U.M. DESCRIPTION FUNC 02 Fnu P20 BLOWN AIR BURNER MANAGEMENT 0 = disabled FN_02 1 = Two-Stage or Modulating Adjustment...
  • Page 43 PK series Floor Standing Warm Air Heater User, Installation and Maintenance Manual Parameters of G26800 CPU PCB version 8.02.xx Parameter Name PK heater Smart U.M. DESCRIPTION B0 Input Configurations 0 = disabled 1=enabled as analogue input B1 Input Configurations (0 - 10V)
  • Page 44 PK series Floor Standing Warm Air Heater User, Installation and Maintenance Manual Parameters of G26800 CPU PCB version 8.02.xx Parameter Name PK heater Smart U.M. DESCRIPTION Output Linearisation Mode 0 = linear output value between YL0 and YH0 1 = output with values limited to YL0 and YH0 (for request values below YL0...

  • Page 45: Analysis Of Lockouts- Faults

    PK series Floor Standing Warm Air Heater User, Installation and Maintenance Manual Analysis of lockouts- faults 5.7. The CPU-SMART manages two types of lockouts: preventive, it warns the customer that the PK heaters require maintenance; • operational, it stops the PK heater for safety reasons or to ensure its correct operation. • Some operational faults require manual reset; others reset themselves when the problem that caused them is solved. Below is a complete list of faults, possible causes and possible solutions.

  • Page 46: Where To Install The Heater

    PK series Floor Standing Warm Air Heater User, Installation and Maintenance Manual INSTRUCTIONS TO THE INSTALLER Where to Install the Heater 6.1. Connecting Air Ductwork The person in charge of the system project or a competent person Ducts for air delivery and intake shall be sized based on aeraulic shall establish where to install the heater, taking into account performance of the unit (shown in “TECHNICAL DATA”...
  • Page 47 PK series Floor Standing Warm Air Heater User, Installation and Maintenance Manual code HG0330.00GB Ed.A-2303 APEN GROUP SPA reserves the right to make changes deemed to be required to its products or documentation...

  • Page 48: Wiring To Power Supply

    PK series Floor Standing Warm Air Heater User, Installation and Maintenance Manual Wiring to Power Supply 6.2. Automatic switches with “A” or “B” trigger curve are not Warm air heaters come with a main switch with door lock (IG) shown in the figure.

  • Page 49: Electrical Connections

    PK series Floor Standing Warm Air Heater User, Installation and Maintenance Manual Electrical connections 6.3. All PK warm air heater control panels use a modulation PCB which allows an easy and safe connection of parts that are usually used in warm air heating systems such as: • Fire damper and discharge shutter, if installed • Room thermostat, timer and burner. Fire Damper...

  • Page 50: Wiring The Burner

    PK series Floor Standing Warm Air Heater User, Installation and Maintenance Manual Wiring the Burner 6.4. A specific connector on burner control board is dedicated to connecting the burner. The connector shows standard numbering for two-stage and modulating burners. You only need to wire the burner respecting numbering. Three-phase Burner On control panels of models from PK 250 onward, an automatic switch is installed that controls 3-phase burner power supply. 3-phase burners always have two supplies: - 400V three-phase for electrical motor - 230V single-phase for the control section. With 3-phase motors, remember to verify that rotation sense of burner motor is correct. Installed switch has the following characteristics: Magnetic protection 6.3 A...

  • Page 51: Optional Accessories

    PK series Floor Standing Warm Air Heater User, Installation and Maintenance Manual Optional accessories 6.5. APEN GROUP has provided a set of accessories to facilitate the installation of heaters indoor, in thermal stations or outdoor. Vibration damping joint Fire Damper Duct temperature sensor 17.
  • Page 52 PK series Floor Standing Warm Air Heater User, Installation and Maintenance Manual AIR FILTER An air filter can be installed directly on heater frame, if required, Filter loss (∆P) is referred to a clean filter. Deduct this loss following the instructions in the paragraph below. For horizontal from heater static pressure. A dirty filter can reach a loss of 400 Pa, thus compromising heater efficiency.
  • Page 53 PK series Floor Standing Warm Air Heater User, Installation and Maintenance Manual Installing the Filters Two filter construction models are available. See model and type in the figures on the side. Before installing the filter, make sure the heater is powered off and disconnected from mains. Remove also the heater intake ducts. For filter unit with aluminium frame (models 420÷550), use the brackets supplied to fix the filter to the heater frame.
  • Page 54 PK series Floor Standing Warm Air Heater User, Installation and Maintenance Manual MIXING BOX Apen Group provides a mixing box accessory that includes the following components: • Aluminium frame; • Prepainted, insulated sheet panelling; Air filter G3 or G4 (upon request); • G3 - class ISO Coarse 50% according to ISO 16890 G4 - class ISO Coarse 55% according to ISO 16890 Mixing box can include the following components: motor-assisted regulation shutters;...
  • Page 55 PK series Floor Standing Warm Air Heater User, Installation and Maintenance Manual AIR SHUTTER The air shutter is fixed to the filter or the heater by means of an PK Model Code Fh** adapter kit; all shutters feature a control which can be motorised [mm] [mm] [mm] [mm] [mm] and which allows the application of a manual control or, as an G09914 alternative, of a motor-assisted control with servomotor; both...
  • Page 56 PK series Floor Standing Warm Air Heater User, Installation and Maintenance Manual FIRE DAMPER ON INTAKE Apen Group provides two installation places for fire dampers: PK Model Code on intake and on delivery. G09916 Dampers differ only for dimensions. G09926 1000 Dampers on intake have the same size as air regulation G09936 1200 shutter. They are installed directly on this shutter or, if this is G09946 not installed, on the filter/heater by means of adapting kits.
  • Page 57 PK series Floor Standing Warm Air Heater User, Installation and Maintenance Manual VIBRATION DAMPING JOINT When correctly assembled on intake or delivery assemblies, the vibration damping joint reduces vibrations on air delivery pipes, thus avoiding their propagation and consequent noise.
  • Page 58 PK series Floor Standing Warm Air Heater User, Installation and Maintenance Manual ACCESSORIES FOR AIR DELIVERY Duct bend APEN GROUP can supply, if requested, a straight pipe + In case of ducting, the installer must built the fitting/bend for bend kit correctly dimensioned for heaters and fire dampers. the relevant ducts. Components are made of non-insulated galvanized sheet.
  • Page 59 PK series Floor Standing Warm Air Heater User, Installation and Maintenance Manual AIR DISTRIBUTION PLENUM VK: blown air speed when louvre slat deflection is Air distribution plenum is to be installed when air is directly 0° (zero). If deflection is 22°, increase VK value by 16%, if blown in the room.
  • Page 60 PK series Floor Standing Warm Air Heater User, Installation and Maintenance Manual ACCESSORIES FOR VENTILATION Apen Group can supply, on request, the following accessories: - Soft starter - Motors with isothermal protection - Inverter for all PK models SOFT STARTER APEN supplies soft starters as a standard for motors with an output equal or higher than 5.5 kW.
  • Page 61 PK series Floor Standing Warm Air Heater User, Installation and Maintenance Manual INVERTER The inverter has the following advantages: - In installations where air distribution ducts are made of textiles (or similar), it limits the initial splash effect and guarantees longer life to ducts. - It balances motor breakaway starting current - It helps reducing belt wear and extending the life of motor and fan bearings. Note: If double polarity motors and/or inverter are used, it is •...
  • Page 62 PK series Floor Standing Warm Air Heater User, Installation and Maintenance Manual ACCESSORIES FOR THE CHIMNEY Components supplied for flue system are made of stainless Running temperature with dry/wet operation and negative pressure is 600°C. In case of wet operation under pressure, steel AISI316L. They are single walled and suitable for indoor the temperature is 200°C.
  • Page 63 PK series Floor Standing Warm Air Heater User, Installation and Maintenance Manual All components are certified in compliance with EN 1856-1 and EN1856-2 standards. They are identified by an ID plate showing their features. Below are some examples: 0694-CPR-52976 1856-2 T600 L50050 0694-CPR-52977 1856-1 T200 L50050 Certificate no. Number of the Standard Temperature level: T80/T100/T120/T140/T160/T200/ T250/T300/T400/T450/T600 Pressure level: N=Negative,P=Positive, H=High Pressure,...
  • Page 64 PK series Floor Standing Warm Air Heater User, Installation and Maintenance Manual ACCESSORIES FOR CONDENSATE HANDLING If a heater with modulating and/or two-stage burner is installed, Materials to be used for condensate drain high air flow rates and low heat drop can result in condensate Any plastics should be avoided for condensate drain system production. It is necessary to drain this condensate from the since flue gas temperature is too high. Suitable materials...

  • Page 65: Wiring Diagrams

    PK series Floor Standing Warm Air Heater User, Installation and Maintenance Manual Electrical Wiring and Diagrams 6.6. The use of a CPU modulation electronic board simplifies the All heaters have the same components. Data listed in the wiring diagram of all models. following tables are referred to standard products.
  • Page 66 PK series Floor Standing Warm Air Heater User, Installation and Maintenance Manual STB THERMOSTAT CONNECTION All PK series heaters (N, K and R) are certified and feature the THERMOSTAT CALIBRATION The thermostat installed on PK heater is set to a temperature STB thermostat. value EQUAL TO 100°C. - STB: The STB (or Limit) thermostat, (safety thermostat with manual reset) stops the burner if the exchanger reaches an excessive temperature.
  • Page 67 PK series Floor Standing Warm Air Heater User, Installation and Maintenance Manual NTC 10K intake probe Next to the STB thermostat, all heaters feature the NTC probe which, connected to the modulation PCB, to terminals NTC1 of connector CN7, keeps the heater air intake temperature constant by adjusting its power.

  • Page 68: Burner Matching

    PK series Floor Standing Warm Air Heater User, Installation and Maintenance Manual Burner Matching 6.7. The burner nosepiece must penetrate for a length not exceeding Contact Apen Group Customer Service if you need to use a low NOx rate burner with flue gas recirculation outside the min and max values of X.

  • Page 69: Gas Burners

    PK series Floor Standing Warm Air Heater User, Installation and Maintenance Manual Gas burners 6.8. matched according to the heater size is given in the following PK heaters must be matched to gas burners certified by a paragraph. CE mark under the Gas Appliances Regulation 2016/426/ First start-up shall be executed exclusively by authorised EU.

  • Page 70: Maintenance

    PK series Floor Standing Warm Air Heater User, Installation and Maintenance Manual MAINTENANCE Controls at First Start Up 7.1. During first start-up, the following items need to be checked: If combustion efficiency is known and CO content is similar to that mentioned in tables of Paragraph 6.8, the diagrams of Electrical Controls Paragraphs 3.3, 3.4 and 3.5 can be used reading the useful Supply voltage heat output “regulated”...

  • Page 71: Routine Maintenance

    PK series Floor Standing Warm Air Heater User, Installation and Maintenance Manual Routine Maintenance subsequent maintenance check. If significant changes occur, 7.2. investigate on the causes. Perform routine maintenance operations using the following For fuel oil and LPG burners, also smoke density must be schedule: analysed. The test should return a value below 2 on Bacharach...

  • Page 72: 7.3 Spare Part List

    PK series Floor Standing Warm Air Heater User, Installation and Maintenance Manual 7.3 Spare Part List Parts for the control panel code HG0330.00GB ed.A-2303 APEN GROUP SPA reserves the right to make changes deemed to be required to its products or documentation...
  • Page 73 PK series Floor Standing Warm Air Heater User, Installation and Maintenance Manual DIRECT START-UP CONTROL PANEL START-UP CONTROL PANEL WITH INVERTER code HG0330.00GB Ed.A-2303 APEN GROUP SPA reserves the right to make changes deemed to be required to its products or documentation...
  • Page 74 PK series Floor Standing Warm Air Heater User, Installation and Maintenance Manual TABLE OF CONTROL PANEL COMPONENTS POS. Description Code Regulation Use G10067 from model 100 to 550 Main door lock switch G10068 Special models on demand G10074 20/40A all models up to 550 included...
  • Page 75 PK series Floor Standing Warm Air Heater User, Installation and Maintenance Manual REPLACING THE MODULATION PCB When replacing the CPU modulation PCB, it is required to carry out some essential operations, described below. 1. Disconnect voltage to the module 2. Disconnect all terminals from the CPU PCB 3.
  • Page 76 PK series Floor Standing Warm Air Heater User, Installation and Maintenance Manual DESCRIPTION REFERENCE BELT TENSIONER ELECTRICAL MOTOR DRIVING PULLEY DRIVEN PULLEY TRANSMISSION BELT TABLE OF VENTILATION SPARE PARTS Heater Driven pulley Electrical Motor Driving pulley Belt CINGHIA DI TRASMISSIONE...
  • Page 77 PK series Floor Standing Warm Air Heater User, Installation and Maintenance Manual HEAT EXCHANGER SPARE PARTS POS. Description Code Flue system gasket X01415 Any heaters, any models; in metres Burner plate gasket* G01190 For model 100 G07819 From model 140 to model 250 included...
  • Page 78 PK series Floor Standing Warm Air Heater User, Installation and Maintenance Manual THERMOSTAT SPARE PARTS POS. Description Code STB safety thermostat G12450 All heater models Probe bulb support spring G28118 All heater models Probe holder panel G18605 All heater models...
  • Page 79 PK series Floor Standing Warm Air Heater User, Installation and Maintenance Manual code HG0330.00GB Ed.A-2303 APEN GROUP SPA reserves the right to make changes deemed to be required to its products or documentation...
  • Page 80 PK series Floor Standing Warm Air Heater User, Installation and Maintenance Manual  Notes _________________________________________________________________________________________ _________________________________________________________________________________________ _________________________________________________________________________________________ _________________________________________________________________________________________ _________________________________________________________________________________________ _________________________________________________________________________________________ _________________________________________________________________________________________ _________________________________________________________________________________________ _________________________________________________________________________________________ _________________________________________________________________________________________ _________________________________________________________________________________________ _________________________________________________________________________________________ code HG0330.00GB ed.A-2303 APEN GROUP SPA reserves the right to make changes deemed to be required to its products or documentation...

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