ApenGroup AERMAX AH034 Maintenance, Installation And Service Manual
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ApenGroup AERMAX AH034 Maintenance, Installation And Service Manual

New condensing air handling unit
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GB
TRANSLATION OF ORIGINAL Manual
AH
Maintenance, installation and service manual
AH - New condensing air handling unit
Thermal Account for
Public Authorities
Tax deduction
Yield up to
For Indoor and Outdoor Use
NOx Class:
1
ErP
2021
Compliant
EU/2016/2281
108%
5
cod. HG0310.05GB ed.A-2010

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  • Page 1 Maintenance, installation and service manual AH - New condensing air handling unit 2021 Compliant EU/2016/2281 Thermal Account for Public Authorities Tax deduction Yield up to 108% For Indoor and Outdoor Use NOx Class: TRANSLATION OF ORIGINAL Manual cod. HG0310.05GB ed.A-2010...
  • Page 2 APEN GROUP S.p.A. 20060 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: Unità di Trattamento Aria a Condensazione AH Model: AH Condensing Air Handling Unit è...

  • Page 3: Table Of Contents

    AH-New condensing air handling unit INDEX SECTION GENERAL CAUTIONS ..............4 SECTION SAFETY INSTRUCTIONS ............4 Fuel ......................4 Gas Leaks ....................4 Power Supply .................... 5 Use ......................5 Air vents 5 Installation ....................6 Maintenance ....................6 Transport and handling ................7 Unpacking ....................

  • Page 4: General Cautions

    APEN GROUP commercial organisation has an extensive gaskets. (See Par. 5.7 “Gas Connection”) network of authorised Service Centres. For any information see Internet site www.apengroup.com or directly contact the 2.2. Gas leaks manufacturer.

  • Page 5: Power Supply

    AH-New condensing air handling unit 2.3. Power supply 2.5. Air Vents The unit must be correctly connected to an effective earthing The room where gas fired heater will be installed must be system, fitted in compliance with current legislation. provided with one or more air vents. These air vents must be fitted: Cautions: • to the ceiling for gases with density lower than 0.8; Check the efficiency of the earthing system and, if required, flush to the floor for gases with density higher or equal to 0.8.

  • Page 6: Installation

    AH-New condensing air handling unit 2.6. Installation The unit must be used in the following conditions: • The fuel used must have a sulphur content according to the European standard, namely: maximum peak, for short periods, 150 mg/m3, annual average lower than 30 mg/m3; Combustion air must not contain chlorine, ammonia, alkalis • or sulphides; for example, installation near swimming pools or laundries exposes the unit to the effects of such agents; if this is the case we suggest taking air from the outside. 2.7. Maintenance Before carrying out any cleaning and maintenance operations, isolate the boiler from the mains power supply using the switch located on the electrical system and/or on the shut-out devices.

  • Page 7: Transport And Handling

    AH-New condensing air handling unit In the first case, use fork extensions as long as heater width. 2.8. Transport and handling The air handling unit (AHU) is supplied with its own base or placed and properly fixed to a wooden pallet. Unload the heater from the truck and move it to the site of installation by using means of transport suitable for the shape MULTIPLE models and for the weight of the load. Any lifting and transport operations must be carried out by skilled staff, adequately trained and informed on the working procedures and safety regulations.

  • Page 8: Unpacking

    AH-New condensing air handling unit 2.9. Unpacking INFORMATION FOR DISPOSAL valid abroad (EU COUNTRIES except Italy). The unpacking operation must be carried out by using suitable The European Directive 2012/19/EC shall be implemented in tools or safety devices where required. Recovered packaging every EU member state. There may be different application materials must be separated and disposed of according to modalities for the various member states, even in terms of applicable regulations in the country of use.

  • Page 9: Technical Features

    AH-New condensing air handling unit TECHNICAL FEATURES Ventilation Operation WINTER During “Heating” operation (in winter), “MASTER” CPU PCB regulates ventilation by modulating the rotation speed on the 3.1. Main Components basis of the heat output (parameter H16 = 2) and of the values set in parameters H12 and H13: AH air handling units are designed for indoor air heating. AH units are available for low or high pressures, for indoor or outdoor H12 = Y2 output minimum voltage = 6 (Default) installation and consist of: H13 = Y2 output maximum voltage = 10 (Default) If the operation required is not of modulating type, but with •...

  • Page 10: Technical Data

    AH-New condensing air handling unit 3.2. Technical Data NOTES: There are two types of A H, both available for low or high pressures Symbol in compliance with Reg.EU/2281/2016. and defined as follows: (1) Max. condensation produced acquired from testing at 30%Qn. (2) Value referred to category H (G20). Single module; (3) Weighted value to EN1020:2009 ref. to cat. H (G20), referred to net calorific Multiple modules. value (Hi, N.C.V). (4) Weighted value to EN1020:2009 ref. to cat. H (G20), referred to gross A - Single module calorific value (Hs, G.C.V).
  • Page 11 AH-New condensing air handling unit B - Multiple modules NOTES: The multiple-module air handling units consist of two or more Symbol in compliance with Reg.EU/2281/2016. heat exchangers; the number of burners and gas equipment (1) Max. condensation produced acquired from testing at 30%Qn. match the number of heat exchangers. (2) Value referred to category H (G20). The gas connection is individual for each module. (3) Weighted value to EN1020:2009 ref. to cat. H (G20), referred to net calorific The wiring connection is on the other hand common for the value (Hi, N.C.V).
  • Page 12 AH-New condensing air handling unit B - “R” Version Modules NOTES: Single-module air handling units have a useful heat efficiency, at Symbol in compliance with Reg.EU/2281/2016. a load equal to 100% of the nominal useful heat output, greater than or equal to 93+2LogPn. For multiple-module AH air handling units, Apen Group has an "R" version, intended only for the Italian market, which complies with the requirement mentioned above, i.e. 93+2LogPn. Model AH160 - R AH210 - R AH320 - R AH420 - R Type of equipment B23P - C11 - C13 - C33 - C43 - C53 - C63 EC approval 0476DL4298 NOx class [EN17082:2019]...
  • Page 13 AH-New condensing air handling unit REGULATION (EU) 2016/2281 NOTES: Symbol in compliance with Reg.EU/2281/2016. Product Information in accordance with Annex 2 point 5 a) (7) Reference maximum air flow rate for the calculation of yields and season energy efficiencies and emissions, with variable air flow rate, listed in the Model: See table table. Air flow rate calculated for a ΔT of 30 °C (8) Reference minimum air flow rate for the calculation of yields and season Warm air heaters B1 [yes/no]: energy efficiencies and emissions, with variable air flow rate, listed in the table. Warm air heaters C2 [yes/no]: Warm air heaters C2 [yes/no]: Type of fuel Gaseous [gaseous/liquid/electricity]: Consumption of Useful efficiency Capacity Other elements Power supply ƞ...

  • Page 14: Dimensions

    6 x M8 tolleranza: Classe di Tolleranza 219349.52 ISO 2768 - M per lavorazioni in tranciatura DESCRIZIONE ISO 2768 - C FOGLIO ApenGroup ® SCALA DISEGNATO DA APPROVATO DA 1:15 D.FERRETTI Heating and Conditioning Solutions DISEGNO DI PROPRIETA' APEN GROUP spa...
  • Page 15 Classe di Tolleranza 226916.16 1284 ISO 2768 - M per lavorazioni in tranciatura DESCRIZIONE ISO 2768 - C 6 x M8 FOGLIO ApenGroup ® SCALA DISEGNATO DA 1:15 D.FERRETTI Heating and Conditioning Solutions x M8 4 x M8 DISEGNO DI PROPRIETA' APEN GROUP spa E' VIETATA LA RIPRODUZIONE E HG0310.00_XX 0004...
  • Page 16 Classe di Tolleranza ISO 2768 - M per lavorazioni in tranciatura M o d - DESCRIZIONE ISO 2768 - C Model Flue outlet [mm] Unità Tra ules ApenGroup ® SCALA DISEGNATO DA ØE 1:20 D.FERRETTI Heating and Conditioning Solutions KEY: n x G 3/4"...
  • Page 17 DATA AH420 1605 1698 2710 ISO 2768 - C ISO 2768 - C Unità T Unità Trattamento Aria 16-210kW 10/01/19 FOGLIO FOGLIO ApenGroup ApenGroup ® ® APPROVATO DA DISEGNO SCALA DISEGNATO DA SCALA DISEGNATO DA AH160/210IT M o d -...

  • Page 18: Air Flow Rate Curves - Available Pressure/Power Consumption

    AH-New condensing air handling unit Air flow rate curves - Available pressure 3.4. AH034 diagram Air flow rate - Available Head Pressure [Q - 10 V] 1000 1000 1500 2000 2500 3000 3500 4000 4500 5000 5500 Air Flow Rate at 15°C [m AH065 diagram Air flow rate - Available Head Pressure [Q - 10 V] 1000 3000 4000 5000 6000...
  • Page 19 AH-New condensing air handling unit 1000 AH080 diagram (for AH160) Air flow rate - Available Head Pressure [Q - 10 V] 3000 4000 5000 6000 7000 8000 9000 10000 11000 Air Flow Rate at 15°C [m AH105 diagram Air flow rate - Available Head Pressure [Q - 10 V] 1000 3000 4000 5000 6000 7000 8000 9000 10000 11000 Air Flow Rate at 15°C [m Air flow rates - Pressure drops of multiple models...

  • Page 20: User Instructions

    AH-New condensing air handling unit MASTER, SLAVE and WIRING cards USER'S INSTRUCTIONS • “MASTER” card = Manages the adjustment of the entire AH unit. • SLAVE" card = Manages the burner modulation of the single PCH module referring to the "MASTER" card. 4.1. AH unit operation • WIRING CARD = user-side connections are made with the Smart Web remote control and connections between Master Ventilation operating logic WINTER - HEATING and Slave modules.

  • Page 21: Smart Web

    AH-New condensing air handling unit 4.2. Smart Web NOTE: Every time you wish to change the "ON/OFF Priority" status a message for confirming the action to The Smart Web remote control equipped as standard is supplied be performed is displayed. Press "OK" to confirm. Press already configured with the type of system and with all the the back key to cancel parameters necessary for the air handling unit to work to its...
  • Page 22 AH-New condensing air handling unit The setpoints default settings of the different controls are the 10:15 Monday Mon 01 Jan following: • T_SNOW °C (SNOW Contr.) (Not Used) • SET_SNOW 23.0 °C (SNOW Contr.) (Not Used) • SNOW_PREX (SNOW Contr.) (Not Used) • PREX_MIN (PRES. Contr.) (Not Used) • PREX_MAX (FILTER Contr.) •...

  • Page 23: Remote On/Off

    AH-New condensing air handling unit Remote On/Off (OPTIONAL) 10:15 Inputs Mon 01 Jan 4.3. Any priority ON/OFF contact can be remotely controlled from the NTC_On Board T_RIF 20.0 Smart Web remote control, by connecting to terminals 1 (ID1) T_RIF 22.3 and 2 (GND) of the terminal board M2 of the chronothermostat AN1_Ext and removing the existing jumper, as shown in the following AN2_Ext NONE -10.0 wiring diagram. See HG0060.00 manual, paragraph 9. "Electrical Connections", supplied with the remote control. AN3_Ext T_RIF -10.0 The ON/ OFF contact has priority with respect to the heat request of time ranges or manual mode, but not with respect to the snow function heat request, which is independent (optional, depending on the model).

  • Page 24: Pressure Control

    AH-New condensing air handling unit To reset the FAULT in case of FILTER ALARM, directly press 4.4. Filter control (OPTIONAL) on the FILTERS icon displayed in the “HOME” page. AH air handling units, if purchased with a side or lower optional intake filter kit, are equipped with a pressure sensor to constantly 10:15 HOME Mon 01 Jan 20.7 control the status of installed filters. °C Depending on the configured Setpoints and on the pressure difference detected upstream or downstream of filters, the Smart Web will issue two different levels of alarms through an icon DIRTY inside the HOME page, as indicated below: SET: OFF 10:15 HOME Mon 01 Jan 20.7 °C CLEAN...
  • Page 25 AH-New condensing air handling unit Please find here below the Filter Control logic. ELECTRICAL CONNECTION The function must be selected inside the “System type (Connection to be carried out only on “MASTER” module) management” section and with the “Hot Air Heater” system type. During AHU operation, the detected pressure values, obtained by calculating the pressure difference upstream and downstream of filters, will be displayed inside the ventilating section. Pressure value = “0” (fans stopped) Pressure value = “Variable” (fans operating) EARLY WARNING - DIRTY (YELLOW) When PREX_MAX value (200 Pa by default) is exceeded, the icon colour changes from GREY to YELLOW.

  • Page 26: Web Configuration

    AH-New condensing air handling unit WEB configuration 4.5. IT is possible to configure the Smart 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 Web remotely the network control must be connected with an Ethernet cable of the direct RJ45 type. For more information regarding the chronothermostat settings and configuration, please refer to the manual enclosed with the product. code HG0310.05GB ed.A-2010 APEN GROUP SPA reserves the right to make changes deemed to be required to its products or documentation...

  • Page 27: Installation Instructions

    AH-New condensing air handling unit INSTALLATION INSTRUCTIONS 5.2. Installation Connecting Air Ductwork Instructions for installing and setting the air handling unit are Ducts for air delivery and intake shall be sized based on aeraulic intended for suitably qualified personnel only. We recommend performance of the unit (shown in “TECHNICAL DATA” section the installer to read safety warnings. of this Manual). A vibration damping joint should be installed on air delivery duct 5.1.

  • Page 28: Wiring To Power Supply

    AH-New condensing air handling unit 5.4. Wiring to Power Supply SINGLE-PHASE models: AH034 The power and protection connections of the electric line and the fire dampers must be made only on the "MASTER" module. AH air handling units are supplied with a main plug, shown in the figure. Wire power supply directly to the plug. 230V+N Wire phase L1 to pole 1, jumper S i n g l e phase...
  • Page 29 AH-New condensing air handling unit Electrical Protections FIRE DAMPER ELECTRICAL CONNECTION IMPORTANT: A main switch must be installed before the control panel of the unit, within 3 metres and in visible position. This switch must include a protection (fuses or automatic) and must comply with existing regulations.

  • Page 30: Connections To The Flue

    AH-New condensing air handling unit 5.5. Connections to the Flue Common chimney Where possible, it is always preferable to use independent The PCH heater module, contained inside the AH units, is fitted exhausts; AH module exhausts are pressurised, therefore in with a watertight combustion circuit and with the burner fan this way it is possible to prevent incorrect sizing from causing located upstream of the heat exchanger.
  • Page 31 AH-New condensing air handling unit AH units can be supplied with (OPTIONAL) “independent flue outlet” chimneys as shown in the image below. For multiple models, AH160, AH210, AH320 and AH420, it is possible to request the (OPTIONAL) “multiple flue outlet” chimney as indicated in the following table: For AH VERTICAL UnitI (- xxV0) INDEPENDENT flue outlet kit COMMON flue outlet kit Model (aluminium) (stainless steel) Code Code Not available AH034xx - xxV0 G18165-105 Not available AH065xx - xxV0 G18165-105 Not available AH105xx - xxV0 G18165-105 AH160xx - xxV0 2 x G18165-105...
  • Page 32 ISO 2768 - M per lavorazioni in tranciatura per lavorazioni in tranciatura DESCRIZIONE DESCRIZIONE DATA ISO 2768 - C ISO 2768 - C FOGLIO FOGLIO ApenGroup ApenGroup ® ® SCALA DISEGNATO DA APPROVATO DA DISEGNO SCALA DISEGNATO DA APPROVATO DA...
  • Page 33 ISO 2768 - M per lavorazioni in tranciatura per lavorazioni in tranciatura DESCRIZIONE DESCRIZIONE DATA ISO 2768 - C ISO 2768 - C FOGLIO FOGLIO ApenGroup ApenGroup ® ® SCALA DISEGNATO DA APPROVATO DA DISEGNO SCALA DISEGNATO DA APPROVATO DA...
  • Page 34 ISO 2768 - M per lavorazioni in tranciatura per lavorazioni in tranciatura DESCRIZIONE DESCRIZIONE DATA DATA ISO 2768 - C ISO 2768 - C FOGLIO FOGLIO ApenGroup ApenGroup ® ® APPROVATO DA DISEGNO APPROVATO DA DISEGNO SCALA DISEGNATO DA SCALA...
  • Page 35 AH-New condensing air handling unit Model: AH420 (- xxH0) with COMMON flue outlet HG0310.00_XX 0016 NOTES: Accessories included for HORIZONTAL Common Flue outlet - AH420 (- xxH0) PESO G PESO G Quote senza indicazione di tolleranza: Classe di Tolleranza 1166.79 1166.79 per lavorazioni in tranciatura ISO 2768 - M con dimensioni fino a 100mm ISO 2768 - C FOGLIO FOGLIO...

  • Page 36: Condensate Drain

    AH-New condensing air handling unit Model: AH034 / AH065 / AH105 VERTICAL 5.6. Condensate drain Special attention must be paid to the condensate drain; an incorrectly installed drain, in fact, could jeopardize the correct operation of the equipment. The factors to be taken into account are: risk of condensation build-up inside the heat exchanger; • • risk of condensation water freezing in the pipes; risk of flue gas discharged from the condensate drain. • Build up of condensation in the heat exchanger During normal operation, condensate must not be allowed to accumulate within the heat exchanger.

  • Page 37: Gas Connection

    ISO 2768 - M per lavorazioni in tranciatura DESCRIZIONE DATA ISO 2768 - C FOGLIO ApenGroup ® APEN GROUP SPA reserves the right to make changes deemed to be required to its products or documentation DISEGNATO DA APPROVATO DA DISEGNO...

  • Page 38: Fire Damper Installation

    AH-New condensing air handling unit 5.8. Fire damper installation The fire damper is available as optional equipment, both at intake and delivery. Fire dampers consist of a galvanised iron sheet frame, the compartmentalisation and sealing blade and the blade closing device. All dampers have the following specifications: reaction to fire EI120S • • thermal cut-out with fuse set on 72°C; microswitch, IP55, supplied as a standard and installed •...

  • Page 39: Servicing Instructions

    In these conditions the burner fan starts immediately, pre-washing Changing parameters requires a password. the combustion chamber for a set time. After the pre-wash time, the ignition phase will begin: the equipment opens the solenoid For further information on operation and management of valve EV1 and in parallel the solenoid valve EVP that supplies the user interface panel, contact ApenGroup sales office. the pilot burner. After detecting the pilot flame, the equipment opens the main gas valve EV2 supplying the main burner. After the operation overlapping time of the two burners (pilot and main) has elapsed, the modulation PCB cuts off the solenoid valve EVP supply and turns the pilot burner off.

  • Page 40: Parameters Of Master And Slave Modulation Pcbs

    AH-New condensing air handling unit 6.4. Parameters of MASTER and SLAVE modulation PCBs All values of the parameters of the CPU-SMART PCB are shown for all AH unit models. (1) parameters that could be modified with "001” Password via remote LCD control (even with modbus address ≠ 0). • (2) parameters that could be modified with a second level Password which can be requested to the manufacturer's Service • Centre (even with modbus ≠ 0 address). (3) parameters that could be modified only with a Smart Web or via modbus. • Main modulation PCB configuration: MASTER Parameters of CPU-SMART PCB version 7.03.xx PARAMETER DESCRIPTION...
  • Page 41 AH-New condensing air handling unit Main modulation PCB configuration: MASTER Parameters of CPU-SMART PCB version 7.03.xx PARAMETER DESCRIPTION AH034 AH065 AH105 AH160 AH210 AH320 AH420 Limit NTC1 control (with D0=5 or 7) Modulation probe 1=NTC probe1; 3=NTC3 probe SEL (2) NTC1 probe enabling: 0=disabled; 1=enabled NTC1 setpoint: -10÷140 ST1 (1) °C SP1 hysteresis: 0÷10 SP1 (2) °C Proportional band from 4 to 100 XD1 (3) Integral coefficient: 1÷255...
  • Page 42 AH-New condensing air handling unit Main modulation PCB configuration: MASTER Parameters of CPU-SMART PCB version 7.03.xx PARAMETER DESCRIPTION AH034 AH065 AH105 AH160 AH210 AH320 AH420 PRESSURE control Pressure probe B2 output enabling: 0=disabled; 1=enabled as ON/OFF input; 2=enabled as analogue input without F83 fault auto-reset; 3=enabled as analogue input with F83 fault auto-reset; 4=enabled as air pressure control analogue input without F80 auto-reset; 5=enabled as air pressure control analogue input with F80 fault auto-reset; 6=enabled read only (no Fault) for pressure control via Modbus ST5 (1) mbar B2 setpoint: 0÷9.99 (setpoint sent by the Smart Web) (2) mbar ST5 hysteresis: 0÷9.99 B2 pressure probe signal input minimum voltage: 0÷9.99 XA5 (3) B2 pressure probe signal input maximum voltage: 0÷9.99 XB5 (3)
  • Page 43 AH-New condensing air handling unit Secondary modulation PCB (PCH) configuration: SLAVE Parameters of CPU-SMART PCB version 7.03.xx PARAMETER DESCRIPTION AH034 AH065 AH105 AH160 AH210 AH320 AH420 Control parameters Flame modulation: 2=NTC1; 5=0÷10Vdc; 7=Modbus (SmartWeb in PID mode) Type of equipment: 0=heater; 2=boiler; 5=PCH; 8=PKA/E; 10=Queen; 12=Fan heater Remote lockout signal output (Q1): 0=disabled; 1=enabled Fan delay time ON (RL2): 0÷255 (2) sec Fan delay time OFF (RL2): 0÷255 (1=5sec. 60=300 sec.) (2) sec Flue gas T control enabling (NTC3): 0=disabled; 1=enabled NOT USED Interval between switching off and on (Off timer): 0÷255 (2) sec 1= Fault reset counter;...
  • Page 44 AH-New condensing air handling unit Secondary modulation PCB (PCH) configuration: SLAVE Parameters of CPU-SMART PCB version 7.03.xx PARAMETER DESCRIPTION AH034 AH065 AH105 AH160 AH210 AH320 AH420 ID5 - Blower fan control: 0=input disabled; 1=enabled with N.C. input required; 2=enabled with N.O. input required; 3= enabled b16 (2) with N.C. input required with auto-reset; ID6 - Blower fan control: 0=input disabled; 1=enabled with N.C. input required; 2=enabled with N.O. input required; 3= enabled b17 (2) with N.C. input required with auto-reset; (a)(b)(c)(d) Heat input and fuel instantaneous consumption calculation parameters 12.4 21.0 16.4 21.0 21.0 21.0 Minimum heat input (ref. Lower calorific value - Hi)
  • Page 45 AH-New condensing air handling unit Secondary modulation PCB (PCH) configuration: SLAVE Parameters of CPU-SMART PCB version 7.03.xx PARAMETER DESCRIPTION AH034 AH065 AH105 AH160 AH210 AH320 AH420 Y2 output minimum voltage: 0÷10 H12 (1) Y2 output maximum voltage: 0÷10 H13 (1) PWM minimum value: 0÷100 H14 (3) PWM maximum value: 0÷100 H15 (3) 0, 1=not used; 2=blower modulation proportional to FAN (do not change); 3=blower modulation proportional to B1 input (0-10V); H16 (3) 4 proportional to B2 input for pressure check in pressostatic structures;...

  • Page 46: Analysis Of Lockouts- Faults

    AH-New condensing air handling unit 6.5. Analysis of lockouts- faults The CPU-SMART manages two types of lockouts: preventive, it warns the customer that the AH air handling unit requires maintenance; • operational, it stops the AH air handling unit 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. FAULT DESCRIPTION CAUSE UNLOCK Lockout caused by Flame - Caused by the flame monitoring equipment (TER) Failure to ignite flame after 4 attempts • No gas performed by the equipment. • Live and neutral reversed Untimely flame (detection when for • Earth wire not connected Manual reset the flame monitoring equipment there •...
  • Page 47 AH-New condensing air handling unit FAULT DESCRIPTION CAUSE UNLOCK Over-temperature The temperature of the air intake probe • Check the TH1 parameter - air intake set point. Auto-reset NTC1>TH1 • Cooling fan(s) inoperative when Air flow rate insufficient (NOT used) • NTC1< TH1-15 Check the TH3 parameter - flue gas temperature • Auto-reset setpoint. NTC3 > TH3 when •...

  • Page 48: Country Table - Gas Category

    AH-New condensing air handling unit 6.6. Country Table - Gas Category Country Category Pressure Pressure AT, CH II2H3B/P 20 mbar G30/G31 50 mbar I2E(S)B, I3P G20/G25 20/25 mbar 37 mbar BE <70kW I2E(R)B, I3P G20/G25 20/25 mbar 37 mbar BE >70kW II2ELL3B/P G20/G25 20 mbar G30/G31 50 mbar DK, FI, GR, SE, NO, IT, CZ, EE, LT, II2H3B/P 20 mbar G30/G31 30 mbar...

  • Page 49: Gas Settings Table

    AH-New condensing air handling unit 6.7. Gas Settings Table TYPE OF GAS G20 - Cat. E-H TYPE OF MACHINE AH034 AH065 AH105 AH160 AH210 AH320 AH420 Output according to the country of destination - see reference table CATEGORY [mbar] 20* [min 17-max 25] SUPPLY PRESSURE PILOT NOZZLE Ø [mm] 1 x 0.7 1 x 0.7 1 x 0.7 2 x 0.7 2 x 0.7...
  • Page 50 AH-New condensing air handling unit TYPE OF GAS G2.350 - Cat. Ls (Only for PL-Poland) TYPE OF MACHINE AH034 AH065 Output according to the country of destination - see reference CATEGORY table [mbar] 13 [min 10-max 16] SUPPLY PRESSURE PILOT NOZZLE Ø [mm] 1 x 0.75 1 x 0.75 GAS CONSUMPTION 1.13...
  • Page 51 AH-New condensing air handling unit TYPE OF GAS G30 - Cat. 3B-P TYPE OF MACHINE AH034 AH065 AH105 AH160 PCH210 PCH320 PCH420 Output according to the country of destination - see reference table CATEGORY [mbar] 30 [min 25-max 35] - 50 [min 42.5-max 57.5] SUPPLY PRESSURE PILOT NOZZLE Ø [mm] 1 x 0.51 1 x 0.51 1 x 0.51 2 x 0.51 2 x 0.51 3 x 0.51...

  • Page 52: Starting Up For The First Time

    AH-New condensing air handling unit Starting up for the first time 6.8. 6.9. Analysis of combustion The PCH heater module is supplied already set up and tested Wait until the heater is switched on. Check that the heater is for the gas specified on the nameplate. Before turning on the running at maximum power by using one of the two methods PCH module check the following: below:...

  • Page 53: Conversion To Lpg

    AH-New condensing air handling unit 6.10. Conversion to LPG 6.11. Conversion to gas G25 - G25.1 - G25.3 - G27 Conversion is strictly prohibited in some countries, such as Belgium, which do not allow the double gas category. Conversion for gasses from G20 to G25 or G25.1 or G25.3 or G27 is allowed only in countries of category II2ELL3B/P [Germany], II2Esi3P [France], II2E3P [Luxembourg] and category II2HS3B/P The unit is supplied already set for natural gas and with the kit...

  • Page 54: Conversion To Gas G2.350

    AH-New condensing air handling unit 6.12. Conversion to gas G2.350 6.13. Replacing the Gas Valve If the gas valve must be replaced, it is required to proceed with Conversion is allowed only for Poland. Conversion from one type of gas to another can only be performed an inspection and possibly calibrate the CO level through the by authorised service centres. adjustment on the Venturi pipe. Conversion to G2.350 consists in: It is advisable not to calibrate the offset: the valve calibration is for all models: pilot nozzle replacement. performed by the manufacturer. • only for models PCH065: mounting a calibrated orifice If necessary, carry out the combustion analysis procedure as •...

  • Page 55: Replacing The Modulation Pcb

    AH-New condensing air handling unit 6.14. Replacing the modulation PCB 6.15. Replacing the TER equipment When replacing the CPU-SMART PCB, it is necessary to check In case of replacement of TER equipment, it is recommended to carry out the operation by disconnecting power supply to and if necessary modify the setting of some parameters through the Smart Web or LCD command. the machine. Remove the connection terminals, unscrew the box fixing screws Every AH heater has a list of pre-programmed default values.

  • Page 56: Maintenance

    AH-New condensing air handling unit MAINTENANCE 1) Inspection of electrodes Dismantle the complete pilot flame and use a jet of compressed air To keep the AHU efficient and guarantee a long lifetime of the to clean the mesh and nozzle. Check the integrity of the ceramic same, it is mandatory to run some inspections at regular intervals: and use sandpaper to remove any oxidation on the metal parts of the electrodes. Check the correct position of the electrodes (see drawing below). It is important that the detection electrode 1) check the status of start-up and detection electrodes and pilot flame;...
  • Page 57 AH-New condensing air handling unit Open the thermostat series with an insulated tool [230 V], 5) Inspection and cleaning of the water trap Clean the trap every year, and check the connections. Make remove the fast-on from the safety thermostat, wait for the F20 block signal to appear on the LCD display on the CPU sure there are no traces of metallic residue.

  • Page 58: List Of Spare Parts

    AH-New condensing air handling unit LIST OF SPARE PARTS Smart Web remote control G27700 8.1. Parts for the control panel Main modulation PCB: MASTER 0/10-PWM PCB G16590-PWM Wiring Card CPU-SMART PCB Switch G18630 G16800.03 2 x G10088 Secondary modulation PCB (PCH): SLAVE ModBus Connector Burner Fan Modulation Connector G10054 G10054 ON/OFF Connector G10051 NTC1 Connector G04763...

  • Page 59: Parts For The Burner Unit

    AH-New condensing air handling unit 8.2. Parts for the burner unit Gas valve G14456 For all models Gas valve gasket C02000 For all models Butterfly gasket 2x X01133 For all models Burner torch G14534-P PCH020-034 G14375.01-P PCH045 G16340.01-P PCH065 G27618-PF PCH080-105 Pilot solenoid valve G14378 For all models...

  • Page 60: Other Spare Parts Available

    AH-New condensing air handling unit NTC probe G13820 8.3. Other spare parts available Microthermostat G13840 Supply Round gasket red silicone G27194 Exhaust casting G27816 Flue gas drainage casting G27815 Type "B" terminal STB thermostat G16300 G28814 Door closure (For AH105) X04511-28 (For other models) X04511 DDMP fans G18652 (10/10 EC 2000W) AH034;...

This manual is also suitable for:

Aermax ah065Aermax ah105Aermax ah160Aermax ah210Aermax ah320Aermax ah420 ... Show all

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