Adisa ADI CD 70 Technical Manual Of Installation, Use And Maintenance
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Adisa ADI CD 70 Technical Manual Of Installation, Use And Maintenance

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ADI CD
CONDENSING BOILER
TECHNICAL MANUAL
OF INSTALLATION, USE AND MAINTENANCE
V. 07/2017
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Summary of Contents for Adisa ADI CD 70

  • Page 1 ADI CD CONDENSING BOILER º º TECHNICAL MANUAL OF INSTALLATION, USE AND MAINTENANCE V. 07/2017...

  • Page 2: Table Of Contents

    5. DIMENSIONS ____________________________________________________________________________________ 8 6. TECHNICAL DATA RANGE ADI CD ________________________________________________________________ 10 6.1 Models ADI CD 70 to ADI CD 375 _________________________________________________________________ 10 6.2 Models ADI CD 450 to ADI CD 950 ________________________________________________________________ 11 7. BOILER HEAT EXCHANGER ______________________________________________________________________ 12 8.
  • Page 3 Data indicated in the present manual are liable to changes. ADISA BY HITECSA (HIPLUS AIRE ACONDICIONADO S.L.) reserves the right to make modifications without notice of any product of its range. No company, person or entity external to ADISA BY HITECSA (HIPLUS AIRE ACONDICIONADO S.L.) can modify this document.

  • Page 4: Introduction

    This is why the European campaign known as “20-20-20 in 2020” has been created, with the aim, among others, of cutting carbon dioxide emissions by 20% by 2020. ADISA BY HITECSA, company specialized in the manufacturing of gas boilers with high efficiency performances and reduced pollutant emissions (“clean combustion”), has developed an innovating and revolutionary product contributing to a technological evolution in the field of water boilers for centralized installations: the ADI CD boiler.

  • Page 5: Regulations

    The boiler maintenance must be made following the instructions of the manufacturer’s technical manual and with a minimum regularity as indicated by the current regulations. 3. EEC APPROVALS AND CERTIFICATIONS ADISA boilers, model ADI CD, are certified as follows: MODEL 70 to 375...

  • Page 6: Boiler General View: Description Of The Components

    Boiler control unit and power modulation Hot water flow Hot water return Flues outlet Gas connection Air pressure switch Air filter Ignition transformer Gas pressure switch Pressure sensor Air vents (manual) Models ADI CD 70 to 175 (view from above):...
  • Page 7 ADI CD boiler - Technical Manual Models ADI CD 200 and higher:...

  • Page 8: Dimensions

    ADI CD boiler - Technical Manual 5. DIMENSIONS ADI CD 120 - 175 ADI CD 70 - 105 ADI CD 200 - 450 F (7) Model 82.5 1110 151.5 82.5 1110 151.5 82.5 1110 151.5 112.5 1110 134.3 112.5 1110 134.3...
  • Page 9 ADI CD boiler - Technical Manual ADI CD 550 - 950 F (7) Model 1040 1628 1060 1396 1040 1628 1060 1396 1040 1628 1060 1396 1040 1658 1063 1393 1083 1040 1658 1063 1393 1083 Attention: Heights H, HG, HA, HF, without taking into consideration the increase due to the silent-block feet supplied with the boiler (dimension “SB”).

  • Page 10: Technical Data Range Adi Cd

    The electric protection of each boiler must be prepared considering the maximum value between the electric consumption at the start-up and the electric consumption at the maximum power output. ADI CD 70 to ADI CD 375: modulating power from 30%. Note: data in the present document are liable to changes without prior warning.
  • Page 11 ADI CD boiler - Technical Manual 6.2 Models ADI CD 450 to ADI CD 950 CONCEPT Units Maximum power Power output 792.7 892.3 (average water temp: 70ºC) Maximum power 443.5 535.5 682.4 802.1 904.1 Power output (average water temp: 40ºC) Minimum power 230.9 259.4...

  • Page 12: Boiler Heat Exchanger

    ADI CD boiler - Technical Manual 7. BOILER HEAT EXCHANGER The ADI CD boilers use gas to heat water for closed heating circuits and/or DHW primary circuits. The boiler heat exchanger (where takes place the heat transfer from flues to water) is made of stainless steel: it is a stainless steel enriched with a special alloy (for a better resistance to corrosion and to high temperatures).

  • Page 13: Power Modulation And Combustion System

    ADI CD boiler - Technical Manual 8. POWER MODULATION AND COMBUSTION SYSTEM (1) Burner of fire resisting alloy mesh (2) Ionization electrode (checking the flame presence) (3) Ignition electrode (4) Pilot flame (5) Venturi for the air-gas mix (6) Gas shut-off valve (7) Gas inlet (boiler gas connection to the installation) (8) Fan for the air-gas mix...

  • Page 14: Assembly Of Gas Connection – Air/Gas Inlet

    8-9. The power modulation is made by varying the fan speed, which also produces a variation of the air-gas mix flow entering into the burner (B). Pg. Minimum inlet pressure switch: adjusted at 15 mbar (natural gas). In Models ADI CD 70 to 250, these pieces form one only global group: burner, burner-holder plate, motor-fan, venturi...
  • Page 15 ADI CD boiler - Technical Manual Exploded view of the burner – fan – gas valve assembly for models CD 325 and higher: Motor-fan rotating forward (ADI CD 325 to 750) or backward (ADI CD 850 and 950).

  • Page 16: Air Inlet Filter

    ADI CD boiler - Technical Manual 8.2 Air inlet filter The air inlet to the venturi is protected by a filter retaining the dust that is usually in the atmosphere. Attention: it is important to avoid excessively dusty or dirty environments (for ex.

  • Page 17: Control Panel - Siemens

    ADI CD boiler - Technical Manual 10. CONTROL PANEL - SIEMENS The boiler control panel is placed in the upper part of the boiler front. (A) Boiler on/off switch (B) Display: readings, messages, errors... Selection of DHW heating mode Selection of heating operation mode Display of information Confirmation of setting Chimney sweep function...

  • Page 18: Display

    ADI CD boiler - Technical Manual Set the installation in manual operation. The different relays remain in a certain status (on/off) depending on a predefined setting. Deaeration mode when pressing > 3 sec. To enter in parametrization mode. To confirm the values of adjustment of the parameters on the display. For quitting the setting.
  • Page 19 ADI CD boiler - Technical Manual Continuous operation Heating to Comfort setpoint Heating to Reduced setpoint  Heating mode with no time program  Protective functions active  Automatic summer/winter changeover (ECO functions) and 24-hour heating limit inactive in the case of continuous operation with Comfort setpoint Protection mode ...
  • Page 20 ADI CD boiler - Technical Manual Displaying information Various data can be displayed by pressing the Info button. General Information (*) Error messages Maintenance messages Operation messages Room temperature Boiler temperature Outside temperature DHW temperature State heating circuits State of DHW State of boiler State of solar Date and time of day...

  • Page 21: Programming

    ADI CD boiler - Technical Manual 10.2 Programming User levels The user levels only allow authorized user groups to make settings. To reach the required user level, proceed as follows: Operation Display example Description This is the basic display. If the basic display is not shown, press ESC to return to it.
  • Page 22 ADI CD boiler - Technical Manual Overview of setting USER LEVELS SETTINGS Enduser Time of day and date Commissioning Operator section Heating engineer Wireless Time prog heating circuit 1 Time prog heating circuit 2 Time prog 3/heating circuit 3 Time program 4/DHW Time program 5 Holidays heating circuit 1 Holidays heating circuit 2...
  • Page 23 ADI CD boiler - Technical Manual Press OK button and the value will blink. While the value is blinking, use the setting knob to set the correct date. Confirm with OK button. Move the setting knob and set the parameter 3 “Year”. Press OK button and the value will blink.

  • Page 24: Available Parameters At Enduser Level

    ADI CD boiler - Technical Manual 10.3 Available parameters at enduser level  When you are in the main display, press to enter at “Enduser level”.  Choose the required parameter by turning the setting knob and confirm with OK. Modify the parameters depending on the required adjustments.

  • Page 25: Boiler Lockout Code

    ADI CD boiler - Technical Manual 10.4 Boiler lockout code Meaning In case of boiler lockout or an error in the installation, the symbol is shown. Press the button INFO and the error code with its meaning appears on the display. To detect the type of error, see the “list of Error Codes”...

  • Page 26: Control Of Several Boilers – Cascaded System

    It is necessary to connect a temperature sensor in the hydraulic collector or inertial tank (inmersion sensor model QAZ36 of ADISA Price List). Configuration Line nr.
  • Page 27 ADI CD boiler - Technical Manual (A) Cascade Module OCI345.06/101 (B) Cascade Cable LPB LPB BUS CONNECTION CASCADED SYSTEM MASTER SLAVE 1 SLAVE 2 Only the Official Technical Service can modify the internal parameters in order to use this control on the boiler. Basic parameters: Cascade Line nr.
  • Page 28 ADI CD boiler - Technical Manual Lead strategy (3510) The heat sources are switched on and off according to the selected lead strategy while giving consideration to the preset output band. In the strategy “Early on, late off”, additional boilers are switched on as early as possible (output band min) and switched off again as late as possible (output band min).
  • Page 29 ADI CD boiler - Technical Manual Switch on delay (3533) Correct adjustment of the switch-on delay ensures that plant operating conditions will be stable. This prevents too frequent switching actions of the boilers (cycling). Auto source sequence changeover (3540) With automatic changeover of the heat source sequence, the boiler loads in a cascaded system can be influenced by defining the order of lead and lag boiler.
  • Page 30 ADI CD boiler - Technical Manual b) Example of boilers sequence and power control Example of a possible sequence that can be made (multiple options can be chosen). L e i s t B a n d M i n = 4 0 % 4 0 0 Boiler 4...

  • Page 31: External Control Signal 0...10 V To Regulate Start-Up And Power Modulation Of Each Boiler

    ADI CD boiler - Technical Manual 11.2 External control signal 0…10 V to regulate start-up and power modulation of each boiler The external electric signal 0…10 V must be connected to the terminals shown in the electric cabinet of the boiler. The signal 0…10 V will transmit to the boiler a set-up temperature value. Flow temperature setpoint...

  • Page 32: Remote Control Or Telecomputing

    ADI CD boiler - Technical Manual 11.3 Remote Control or telecomputing Boilers provided with the LMS control unit (cascade sequence and circuits’ control) can be connected to a WEBSERVER OZW672 for communication through ETHERNET that allows controlling the boilers’ operation and the installation via WebBrowser in a computer or Laptop and receiving messages and e-mails in Smartphones.

  • Page 33: Electric Drawing

    ADI CD 70 to ADI CD 750: The electric supply must be 220/230 V, 50 Hz, single phase, ground connection. (Remember: in case of 220/230 V, two phases, it is necessary to install an electric insulating transformer with one of the phases of the secondary connected to ground acting as neutral).

  • Page 34: Electric Drawing Adi Cd 70 – 750

    ADI CD boiler - Technical Manual 12.1 Electric drawing ADI CD 70 – 750...

  • Page 35: Electric Drawing Adi Cd 850 – 950

    ADI CD boiler - Technical Manual 12.2 Electric drawing ADI CD 850 – 950...

  • Page 36: Siemens Lms Control Cover

    ADI CD boiler - Technical Manual 12.3 Siemens LMS control cover For the ADI boilers of small power/size, ADI CD 70 to 175, the cover is located in the boiler front part and it is accessible by removing the boiler front casing.

  • Page 37: Heating Circuits

    ADI CD boiler - Technical Manual 13. HEATING CIRCUITS For the heating circuits, a number of functions are available (see parameters table) which can be individually set for each heating circuit. Every heating circuit can be a virtual circuit, pump circuit or mixing circuit. The Mixing function is available only when an external extension module (AGU2.550A109) is needed.
  • Page 38 ADI CD boiler - Technical Manual Electric drawing: 1 Boiler with 3 heating circuits...

  • Page 39: Heating Circuits Basic Parameters

    ADI CD boiler - Technical Manual 13.1 Heating circuits basic parameters Activation of heating circuits Heating circuits are deactivated in default parametrization (heat demand of the boiler is given by the parameter 1859 “Flow temp setp cons request”). Adjust the following parameters to enable the heating circuits and to assign the extension modules to each heating circuit.
  • Page 40 ADI CD boiler - Technical Manual Setpoints Line no. Meaning 1014 1314 Frost Protection setpoint Heating curve slope (720,1020,1320) The heating curve generates the flow temperature setpoint, which is used to maintain a certain flow temperature level depending on the prevailing weather conditions. Notes: ...
  • Page 41 ADI CD boiler - Technical Manual 24-hour heating limit The 24-hour heating limit (732,1032,1332) is used to switch the heating on and off in the course of the day, depending on the outside temperature. This function is used primarily during spring and autumn to respond to short-term temperature variations.
  • Page 42 ADI CD boiler - Technical Manual Room model and room influence The room model calculates a fictive room temperature for rooms without room sensor. This allows boost heating, quick setback and optimum start/stop control to be implemented with no need for using a room sensor.

  • Page 43: Domestic Hot Water

    ADI CD boiler - Technical Manual 14. DOMESTIC HOT WATER If there is demand for DHW, the heat sources can be switched on at any time. The strategy is to produce the amount of heat required at a certain point in time – and no more. For that purpose, switching programs, different setpoints and release criteria are available.To activate the DHW, connect the storage tank sensor to B3 input (see the following electric drawing) and select the DHW mode with the operating mode button Continuous operation, the setpoint being the DHW Frost Protection setpoint (5 °C).

  • Page 44: Basic Parameters

    ADI CD boiler - Technical Manual b) Electric drawing: 1 Boiler and Domestic Hot Water  SIEMENS AVS37.294 BOILER CONTROL  14.1 Basic parameters Activation of Domestic Hot Water Domestic Hot Water is deactivated in default parametrization. Connect the DHW tank temperature sensor in B3 terminal of the boiler and push the operation mode button until a bar appears below the symbol Adjust the following parameter to enable the relay output for the charging pump Q3.

  • Page 45: Professional Installator Parameters

    ADI CD boiler - Technical Manual 14.2 Professional installator parameters Release When DHW heating is On, the release parameter (1620) can be used to determine when – within a 24-hour period – DHW charging shall take place. When “24h/day” is used (the default value), DHW heating is continuously released as long as it is On.
  • Page 46 ADI CD boiler - Technical Manual MC shifting, PC absolute The pump heating circuits stay locked until the DHW storage tank is heated up. If the capacity of the heat source is not sufficient, the mixing heating circuits will be restricted also. Legionella function When the Legionella function (1640) is activated, the DHW storage tank temperature is periodically raised to the Legionella function setpoint.

  • Page 47: Safeties

    ADI CD boiler - Technical Manual 15. SAFETIES These are the safeties included in the boiler: Cause for safety Safety Boiler restart activation component of the boiler No flame Ionization Manual reset electrode Fan failure/air LMS controller Manual reset passage obstruction (low fan speed) Overheating Safety...

  • Page 48: Installation

    ADI CD boiler - Technical Manual 17. INSTALLATION 17.1 Boilers heat output The boilers total power output to be installed must be the proper one to respond to the demands of the installation. In order to generate heating with the maximum efficiency at every moment, it is important to consider the number of the boilers to be installed, so that the total power should be appropriate for the different demands of the installation in the different periods of the year.

  • Page 49: Gas Supply

    “Technical data”. To select the type and its Inertial speed of opening/closing, consult the Technical Units Boiler volume (m3) Department of ADISA BY HITECSA. model CD 70 An inertial tank must be installed between the gas 0.0065 CD 85 pressure governor and the boiler, acting as a gas 0.0082...

  • Page 50: Draining Of The Boiler Condensate

    ADI CD boiler - Technical Manual 17.5 Draining of the boiler condensate 17.5.1 Water condensing The heat exchanger being in stainless steel, the ADI CD boiler has no limit of the minimum return temperature. This allows obtaining a higher profit of the heat generated by the combustion products: - Sensible heat: the heat transferred due to the cooling of burnt gases.

  • Page 51: Chimneys

    , for Natural Gas: it is recommended to adjust CO at 8.1%, for all the boilers Models Range CO2 (%) for Natural Gas ADI CD 70 to 120 7.3 - 9.3% ADI CD 120 to 175 7.2 - 8.7% ADI CD 200 to 250 7.3 - 8.8%...

  • Page 52: Flue Draught Stabilizer

    ADI CD boiler - Technical Manual 17.6.2 Flue draught stabilizer In case of excessive draught / depression (this can cause vibrations in the chimney), or a chimney with fan for flues diluted with air, you have to install a flue draught stabilizer inside the chimney.

  • Page 53: Adjustable Flue Damper At The Boiler Flue Outlet

    ADI CD boiler - Technical Manual 17.6.4 Adjustable flue damper at the boiler flue outlet Every installation is different because of: different chimney different outdoor temperature (maximum and minimum), according to the height on the sea level. The opening of the flue damper must be adjusted according to the values indicated at the beginning of this chapter, for a correct and quick adjustment of the boiler combustion.

  • Page 54: Hydraulic Installation

    Cut-off/closing valves in the flow and return pipes of each boiler. Do not weld the boiler to the installation piping. Models ADI CD 70 to ADI CD 175: male threaded flow-return connections of 2”. Higher models: ADI CD 200 to ADI CD 450: 2 ½ “, flanged connections, PN6.

  • Page 55: Hydraulic Pressure Drop

    If you have to stop the boiler pump, it is required that you stop it with a time delay of 3 to 5 minutes once the boiler has stopped. This can be obtained by installing a timer-disconnect electrical relay. Pressure drop for ADI CD 70 - 450 ADI CD...

  • Page 56: Water Manifold

    OPTION 2 (see text) Nr. Boilers  1 boiler 2 boilers 3-4 boilers 1 boiler 2 boilers 3-4 boilers ADI CD 70 - 105 20 lit. 30 lit. 40 lit. 40 lit. 60 lit. 75 lit. ADI CD 120 30 lit.

  • Page 57: Water Quality Of The Installation

    (see the corresponding paragraph). ADISA BY HITECSA disposes of professional staff that, after a visit of the installation, can advise you according to each case.

  • Page 58: System Drawings

    ADI CD boiler - Technical Manual 17.7.6 System drawings Boiler Water collector or water manifold Controller Thermostat D.H.W. buffer vessel Temperature sensor Plate heat exchanger Pressure switch Boiler circulation pump Mesh filter Manometer Closed expansion vessel Thermometer Non-return valve Filter to separate sludge, oxides Automatic air venting Mixing valve Flow to heating circuit...
  • Page 59 ADI CD boiler - Technical Manual  System drawing of heating circuits  System drawing of one boiler and only D.H.W.
  • Page 60 ADI CD boiler - Technical Manual  System drawing: D.H.W. and heating circuit  System drawing of an old installation: heating circuit...
  • Page 61 ADI CD boiler - Technical Manual  System drawing of an installation with high pressure in the secondary circuit (very high building with the boilers room in the ground floor), or old installation in very bad conditions: heating circuit.  System drawing of an installation as in the previous case: D.H.W.

  • Page 62: The Boiler Start-Up

    ADI CD boiler - Technical Manual 18. THE BOILER START-UP 18.1 Before the start-up The first start-up is a very important operation on which the future effectiveness and reliability of the equipment can depend. For this reason, it must be carried out by our own Official Technical Assistance Service. Before the start-up, it is important to check that: The installation is in accordance with this manual’s instructions and with the local regulations.

  • Page 63: The Boiler Control Unit And Operating Cycle

    ADI CD boiler - Technical Manual 18.3 The boiler control unit and operating cycle The control unit regulates:  The boiler operating cycle.  The boiler safeties (by indicating also the possible reasons for the boiler lockout).  The boiler power modulation. Short description of the boiler operating cycle: LEGEND of the operating phases: Display...

  • Page 64: Gas/Air Adjustments

    Combustion parameters: CO , CO, flues temperature, air temperature, efficiency, water temperatures. Models Range CO2 (%) for Natural Gas ADI CD 70 to 120 7.3 - 9.3% ADI CD 120 to 175 7.2 - 8.7% ADI CD 200 to 250 7.2 - 8.4%...
  • Page 65 ADI CD boiler - Technical Manual In this way, you will obtain two points of a straight line, as you can see in the chart, where “Pg” is the gas pressure (mbar) and “Pa” is the air pressure (mbar). With the higher control of the gas valve you can vary the slope of the straight line (movement A in the chart).

  • Page 66: Change Of Fuel: From Propane Gas To Natural Gas

    ADI CD boiler - Technical Manual 18.4.2 Change of fuel: from Propane gas to Natural gas, or vice versa In order to change fuel (this operation must be carried out by an ADISA official service or by authorised professional staff):...

  • Page 67: Maintenance

    ADI CD boiler - Technical Manual 19. MAINTENANCE The maintenance operations must be carried out from:  The front of the boiler (main burner, electrodes, control panel, sight hole).  The back of the boiler (gas shut-off valve, air damper, fan motor). This allows that several boilers can be installed in a modular way, one beside the other (leaving a distance of 3 cm between them).
  • Page 68 ADI CD boiler - Technical Manual Front view of the boiler inside: (c, d) Disconnect the electric connections and the pressure pipes: (a) Pressure pipe connecting the gas valve to the venturi (just included in models ADI CD 200 and higher). (c) Motor fan: electric supply connection (in the higher part of the motor).

  • Page 69: Position Of Probes And Sensors

    ADI CD boiler - Technical Manual 19.2 Position of probes and sensors (1) Water flow temperature sensor (2) Water return temperature sensor (3) Safety overheating thermostat (4) Water pressure sensor (5) Manual air venting (their number can vary according to the model).

  • Page 70: Ecodesign Directive (Erp)

    ADI CD boiler - Technical Manual 20. ECODESIGN DIRECTIVE (ErP) Model: ADI CD Condensing boiler Boiler type: B23 CONCEPT Units 70 100% (*) 70.5 85.0 104.0 120.0 161.8 197.5 241.0 294.0 354.0 Power output 30% (**) 21.8 26.3 32.2 37.0 49.8 60.7 74.0...

  • Page 71: Boiler Guarantee

    ADISA manipulate the boiler, the guarantee would lose its effect. 7. The parts replaced under guarantee will remain property of ADISA BY HITECSA, and the user is obliged to return them to ADISA BY HITECSA free of charges within a maximum period of 7 days, otherwise the spare parts provided will be invoiced.
  • Page 72 In order to exercise the rights of this guarantee, the purchaser must renounce to his own right and submit to  the jurisdiction of the courts of Barcelona. The guarantee validity excludes any other kind of responsibility for ADISA BY HITECSA (HIPLUS AIRE  ACONDICIONADO, S.L.).

  • Page 73: Appendix I: List Of Error Codes

    ADI CD boiler - Technical Manual 22. APPENDIX I: LIST OF ERROR CODES ERROR DIAGNOSTIC DESCRIPTION OF ERROR - TEXT DIAGNOSTIC CODE CODE No error Outside sensor fault Check connection and component Boiler temperature 1 sensor fault 439-440 Short circuit or Open circuit boiler flow sensor (B2). Check connection and component Flue gas temperature sensor fault 539...544 Short circuit or Open circuit flue gas sensor.
  • Page 74 ADI CD boiler - Technical Manual ERROR DIAGNOSTIC DESCRIPTION OF ERROR - TEXT DIAGNOSTIC CODE CODE Flow temp HC2 not reached Check installation and components Maximum boiler temperature exceeded 501-502 Supervision exceeded, no temperature modification after flame DHW charging temperature not reached Check installation and components DHW legionella temperature not reached Check installation and components...
  • Page 75 ADI CD boiler - Technical Manual ERROR DIAGNOSTIC DESCRIPTION OF ERROR - TEXT DIAGNOSTIC CODE CODE Solar integration missing Check connection and component Cascade flow sensor B10 missing Check connection and component B10 Extension module 3 fault Check connection and component Repetition internal Call technical service Repetition speed...
  • Page 76 HIPLUS AIRE ACONDICIONADO S.L. Masia Torrents, 2 08800 Vilanova i la Geltrú, Barcelona - Spain Tel : +34 93 893 49 12 Fax: +34 93 893 96 15 www.adisaheating.com...

This manual is also suitable for:

Adi cd 375Adi cd 950Adi cd 750Adi cd 450Adi cd 850

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