Robur Gitie 2.0 ACAY Instructions For Installation, Use And Maintenance Manual

Robur Gitie 2.0 ACAY Instructions For Installation, Use And Maintenance Manual

Integrated package for outdoor installation

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Installation, use and maintenance manual
Gitié 2.0 ACAY
Integrated package for outdoor installation
with absorption chiller and gas condensing boiler

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Summary of Contents for Robur Gitie 2.0 ACAY

  • Page 1 Installation, use and maintenance manual Gitié 2.0 ACAY Integrated package for outdoor installation with absorption chiller and gas condensing boiler...
  • Page 2 The rights of those who have legitimately filed the registered trademarks contained within this publication are not affected. With the aim of continuously improving the quality of its products, Robur S.p.A. reserves the right to modify the data and contents of this Installation, use and maintenance manual without prior notice.
  • Page 3: Table Of Contents

    TABLE OF CONTENTS Introduction Combustion products exhaust ...... p. 24 ................p. 4 AY flue gas condensate drain ......p. 25 Recipients ..............p. 4 5 Electrical installer Control device ............p. 4 ............p. 26 Available languages ..........p. 4 Warnings ..............p. 26 II Symbols and definitions Electrical systems ..........
  • Page 4: Iintroduction

    WARNING GAHP/GA unit and the AY boiler. DDC Control (Direct Digital Controller) = optional Robur NOTE control device to manage one or more Robur appliances in ON/OFF mode (GAHP heat pumps, GA chillers) or in modulating mode (AY boilers). PROCEDURE...
  • Page 5 Warnings Use of the appliance by children down. „ Do not touch the flue gas exhaust before it has The appliance can be used by children over 8 years cooled down. old, and by people with reduced physical, senso- ry or mental capabilities, or lack of experience or Pressure vessels knowledge, only if they are under surveillance or The appliance has a sealed circuit classified as pres-...
  • Page 6: Iii.2 Compliance

    Warnings Halogenated hydrocarbons containing chlorine ance with EN 12309 and meet the essential requirements and fluorine compounds cause corrosion. The air of the following Directives: of the installation site must be free from aggressive 2016/426/EU "Gas Appliances Regulation" as amend- ▶...
  • Page 7 Warnings air of the installation site. „ Abnormal actions transmitted to the appliance by the system or installation (mechanical stresses, pressure, vibrations, thermal expansion, electrical surges...). „ Accidental damages or due to force majeure. Installation, use and maintenance manual – Gitié 2.0 ACAY...
  • Page 8: Features

    Features FEATURES ACAY INTEGRATED PACKAGE sorption chiller is available with a standard or low-noise FEATURES fan. In all 4-pipe versions, the operation of the units can al- The Gitié 2.0 ACAY package consists of a GA ACF gas ab- ways be simultaneous or independent. In all 2-pipe ver- sorption chiller and a AY 35 (ACAY35) or AY 50 (ACAY50) sions, the operation of the units can only be alternating.
  • Page 9: Dimensions

    Features 1.3.4 INAIL safety appliances Safety valve (3,5 bar). ▶ Water differential pressure switch. The kit is only available on appliances intended for the ▶ Expansion tank. Italian market. ▶ Outdoor temperature probe. ▶ DIMENSIONS Figure 1.2  Dimensions (standard fan) 617 (B) 719 (B) 471 (A) 1050 (A)
  • Page 10 Features Figure 1.3  Dimensions (low-noise fan) 617 (B) 719 (B) 471 (A) 1050 (A) 1238 1425 Centre distance of holes for front vibration damper supports Centre distance of holes for rear vibration damper supports Figure 1.4  Gitié /2 service plate - Hydraulic/gas connections detail OUT Water outlet connection Ø...
  • Page 11: Controls

    GAHP/GA water inlet connection Ø 1 1/4" F 1.5.2 DDC Controller Figure 1.6  Service plate - Detail of bottom plate The DDC control is able to manage one or more Robur ap- pliances in ON/OFF mode (GAHP heat pumps, GA chillers) or modulating mode (AY boilers).
  • Page 12: Water Pump

    Features ACAY (GA ACF and AY boiler). The AY boiler retains the 5.4  p. 27 . possibility of operating in power modulation. WATER PUMP For connection of the selected device to the appli- ance's electronic board please refer to Paragraph 1.6.1 Water pump characteristic curves Figure 1.7 ...
  • Page 13: Technical Data

    Technical data Installation, use and maintenance manual – Gitié 2.0 ACAY...
  • Page 14 Technical data...
  • Page 15 Technical data Installation, use and maintenance manual – Gitié 2.0 ACAY...
  • Page 16: Transport And Positioning

    Transport and positioning TRANSPORT AND POSITIONING WARNINGS In the event of handling with forklift or pallet truck, comply with the handling instructions shown on the packing. Damage from transport or installation The manufacturer shall not be liable for any dam- APPLIANCE POSITIONING age during appliance transport and installation.
  • Page 17: Minimum Clearance Distances

    Heating engineer MINIMUM CLEARANCE DISTANCES MOUNTING BASE 3.4.1 Distances from combustible or flammable 3.5.1 Mounting base constructive features materials Place the appliance on a level flat surface made of fire- Keep the appliance away from combustible or flammable proof material and able to withstand its weight. materials or components, in compliance with applicable 3.5.2 Installation at ground level regulations.
  • Page 18 Heating engineer 4.2.1 Primary and secondary circuit 4.2.7 System filling In many cases it is advisable to divide the hydraulic system For the calculation of the total water content to be into two parts, primary and secondary circuit, uncoupled loaded in the system it is necessary to add the water by a hydraulic separator, or possibly by a tank that also content of the appliance (Paragraph 2.1 ...
  • Page 19 Heating engineer 10. After the operation, make sure that the system filling for the post-circulation time. tap is tightly closed. 10. If, after the above operations, a decrease in system wa- ter pressure is observed, open again the system filling Once the filling operation has been completed, tap until the system pressure reaches 1,5 bar.
  • Page 20 Heating engineer off ). The correct filling and air venting of the hydraulic 8. If the air vent has been properly completed, reassem- system are fundamental to ensure reliability over ble the front panel of the boiler. If not, repeat the pro- time of the mechanical components, in particular cedure from step 3.
  • Page 21 Heating engineer Figure 4.5  Hydraulic diagram Gitié ACAY /4 Anti-vibration connection Buffer tank (and hydraulic separator) for Legionella function Pressure gauge Check valve 14 3-way diverter valves for DHW Flow regulation valve 10 Heating/Cooling circuit water pump 15 RB100 device Sludge filter 11 DHW buffer tank 16 DDC panel Shut-off valve...
  • Page 22 Heating engineer In the presence of glycol The use of toxic antifreeze fluids is forbidden. In the presence of glycol it is necessary to warn the 4.2.11.1 Type of antifreeze glycol TAC before the first start-up and to set parameter Inhibited type glycol is recommended to prevent oxida- P52 correctly.
  • Page 23 Heating engineer may alter over time, resulting in poor operation or exces- agraph 1.4  p. 9 ). sive topping up. Install an anti-vibration connection between the ap- ▶ Ensure there are no leaks in the installation. pliance and the gas piping. ▶...
  • Page 24: Combustion Products Exhaust

    Heating engineer 4.4.2 AY Although it is normal for the inlet pressure to de- crease during the operation of the appliance, it is 4.4.2.1 Flue gas exhaust connection important to check that there are no excessive fluc- Ø 80 mm (with gasket), at the top (Figure 4.6  p. 24 ). tuations in the inlet pressure.
  • Page 25: Ay Flue Gas Condensate Drain

    Heating engineer and consequently damage the appliance. Figure 4.8  Flue gas condensate drain Figure 4.7  Correct gasket positioning > 300 mm Gasket 4.4.2.3 Possible flue AY FLUE GAS CONDENSATE DRAIN If necessary, the appliance may be connected to a flue. To size the flue refer to Paragraph 2.1  p.  13 and to ▶...
  • Page 26: Electrical Installer

    Electrical installer Provide for min. 1% slope, i.e. 1 cm for each m of the modules must be filled to prevent the combustion gases ▶ length (otherwise a booster pump is required). from backflowing through the siphon. Prevent freezing. It is advisable, after the first few months of operation of ▶...
  • Page 27: Electrical Power Supply

    (TER) in the electrical panel on the machine. and remotely control one or more Robur appliances with 3. Provide the earth lead-in wire longer than live ones the DDC control device.
  • Page 28 Electrical installer Table 5.1  CAN bus cables type Cable name Signals / Color Maximum length Note Robur Optional code OCVO008 ROBUR NETBUS H = BLACK L = WHITE GND = BROWN 450 m Honeywell SDS 1620 BELDEN 3086A H = BLACK...
  • Page 29 Electrical installer Figure 5.6  CAN bus connection between Gitié and DDC JUMPER J11 SHIELD 0 L H SHIELD DDC Direct Digital Controller Data signal HIGH CAN bus cable shield SCH CAN-NDG board of the AY module Data signal LOW Insulating tape to protect the shield of J11 CAN bus jumper on CAN-NDG board Terminal node connection - (3 wires;...
  • Page 30: First Start-Up

    First start-up entails checking/setting up the com- situations bustion parameters and may exclusively be carried out by a Robur TAC. NEITHER the user NOR the in- Should any abnormal or hazardous installation situations stallation technician is authorised to perform such be found, the TAC shall not perform first start-up and the operations, under penalty of voiding the warranty.
  • Page 31: How To Access The Ga Acf Module

    First start-up HOW TO ACCESS THE GA ACF Figure 6.2  Accessing the boiler MODULE For all control and maintenance operations, the front pan- el of the GA ACF module must be removed as described below. How to remove the front panel of the GA ACF module (Figure 6.1 ...
  • Page 32 First start-up Figure 6.3  Access and setting of boiler parameters 6.4.1.1 AY 35 ware 1.001 for the CAN-NDG board and to the firm- ware A.10 for the MIAH413 board. The parameters and their values refer to the firm- Table 6.1  AY 35 electronic board parameters Parameter Description Range Default...
  • Page 33 First start-up Post-circulation heating timing It is possible to set the operating time of the pump, in heating mode, after Value in multiples of 5 s 0 ÷ 90 the main burner has been switched off due to the intervention of the room (default 36 x 5 = 180 s) thermostat.
  • Page 34 First start-up 18. AY 50 (and each of the two Boiler model selection 17 ÷ 18 modules of AY 100) Mod0 type Do not change Not used Serial number Mod0 - 3 most significant digits 000 ÷ 999 Do not change Not used Serial number Mod0 - 3 intermediate digits 000 ÷...
  • Page 35 First start-up Min heating setpoint 20 ÷ 40 Value in °C It is possible to set the minimum user-adjustable heating temperature. Max heating setpoint 40 ÷ 88 Value in °C It is possible to set the maximum user-adjustable heating temperature. Δt delivery-return setpoint 0.
  • Page 36 First start-up 6.4.1.4 Blower frequencies Table 6.3  Minimum and maximum blower frequencies Frequency (heating/DHW) (1) Boiler Gas type Measurement unit minimum maximum Caldaria 35 G25.3 AY 35 G25.1 Caldaria 55.1 Caldaria 100.2 G25.3 AY 50 G2.350 AY 100 Caldaria 35, Caldaria 55.1, Caldaria 100.2: check parameters P10 and P11 for DHW, P12 and P13 for heating. AY 35, AY 50, AY 100: check parameters P62 and P63 for heating.
  • Page 37: Gahp/Ga

    First start-up 6.4.1.4.2 AY 50 Figure 6.6  Heat input/blower frequency diagram G25.1 G25.3 G2.350 Freq (Hz) Ti Thermal input Freq Frequency GAHP/GA The last three digits (on the right, red) indicate a code ▶ or a value for a parameter, among those included in the selected menu (e.g.
  • Page 38: Ay Combustion Parameters Check

    First start-up Menu "3.", display and setting, to set the value of some for the flame lock-out reset command). ▶ 9. Press the knob to reconfirm the figure; or rotate the system parameters (e.g. water setpoint temperature); the values are initialised by the TAC at first start-up. knob to modify the figure, and press at the end to It is accessed without password.
  • Page 39 First start-up bustion are summarized in Table 6.4  p. 39 . Figure 6.9  Socket for AY flue gas analysis Power the boiler. ▶ Open the gas valve on the boiler and check that the ▶ valves connecting to the system are open. Activate the heating request to the boiler, through the ▶...
  • Page 40: Gas Changeover

    NORMAL OPERATION This section is for the end user. The use of the device by the end user is only per- mitted after the Robur authorised TAC has com- pleted the first start-up. Figure 7.1  Boiler control panel Heating temperature adjustment...
  • Page 41: Warnings

    Paragraph 4.2.7  p. 18 and 4.5.3  p. 26 . „ System pressure 1,5 bar. First start-up may exclusively be carried out by a Robur TAC (Chapter 6  p. 30 ). SWITCH ON AND OFF Never power the appliance off while it is run- If the appliance is controlled by a DDC, refer to the rel- ▶...
  • Page 42: Modifying Settings

    Maintenance tems remain active (Paragraph 4.2.10  p. 21 ). er (Figure 7.1  p. 40 ). The fixed symbol will appear on the display, indicating that the function has been 7.3.2 Operation with DDC control activated. 2. Whenever there is a request for space heating, the au- If the appliance is connected to the DDC control, tomatic ignition system will ignite the burner;...
  • Page 43: Scheduled Routine Maintenance

    Maintenance Table 8.1  Guidelines for the GAHP/GA preventive maintenance operations GAHP A GAHP GS/WS GA ACF GAHP-AR Guidelines for the preventive maintenance operations visually check of the general condition of the unit and of its √ (1) √ (1) √ (1) finned coil check the correct operation of the device used for monitoring √...
  • Page 44: Diagnostics

    Diagnostics 2. Only when the appliance is completely off, power it quired (contact the TAC; see Paragraphs 8.2  p.  42 off with the main switch/disconnector switch (de- and 8.3  p. 43 ). tail GS, Figure 5.3  p. 27 ). „ Check content and quality of the water in the 3.
  • Page 45: Operative Codes

    Diagnostics 1. Access the boiler's internal display by removing the 2. Press the reset key front panel (procedure Paragraph 6.3  p. 31 ). 3. Replace the front panel. OPERATIVE CODES 9.3.1 GA ACF Table 9.1  Operative codes GA Code Description Warning (u) Error (E) Power cycle the appliance.
  • Page 46 Diagnostics Reset occurs automatically if the gas so- Reset may be performed from the DDC or from the S61 Gas solenoid valve without lenoid valve switches on again within 10 board (menu 2, parameter 1). electrical power minutes (with central flame control unit If the code persists, shows up again or in case of doubt, on).
  • Page 47 Diagnostics Check gas supply. The reset can be carried out from DDC or from the boiler Flame controller lockout panel by pressing the key. If the code persists or in case of doubt, contact the TAC. No CAN bus communication Contact authorised Technical Assistance The reset can be carried out from DDC or from the boiler Reset occurs automatically 20 minutes...
  • Page 48 Diagnostics Table 9.3  Function codes Code Function Description It is activated by pressing the reset key for 7 seconds and it is deactivated by turning off the boiler. Chimney sweep Brings the boiler to the minimum and maximum power for 15 minutes by deactivating the modulation function. function active Generally used for combustion and calibration tests.
  • Page 49: Appendices

    (**) Low temperature means for condensing boilers 30 °C, for low-temperature boilers 37 °C and for other heaters 50 °C return temperature (at heater inlet). Contact details Robur SPA, Via Parigi 4/6, I-24040 Zingonia (BG) Additional information required by COMMISSION REGULATION (EU) No 813/2013, Table 1: mg/kWh Emissions of nitrogen oxides: Installation, use and maintenance manual –...
  • Page 50 (**) Low temperature means for condensing boilers 30 °C, for low-temperature boilers 37 °C and for other heaters 50 °C return temperature (at heater inlet). Contact details Robur SPA, Via Parigi 4/6, I-24040 Zingonia (BG) Additional information required by COMMISSION REGULATION (EU) No 813/2013, Table 1: mg/kWh...
  • Page 52 Robur mission Robur is dedicated to dynamic progression in research, development and promotion of safe, environmentally-friendly, energy-efficiency products, through the commitment and caring of its employees and partners. Robur S.p.A. advanced technologies for air conditioning via Parigi 4/6 24040 Verdellino/Zingonia (BG) Italy +39 035 888111 - F +39 035 884165 www.robur.com export@robur.it...

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