Robur GAHP A Indoor Installation, Use & Maintenance Manual
Air source gas absorption heat pump for installation in technical room, powered by gas and renewable energies
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- Installation, use and maintenance manual (40 pages) ,
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- Installation, use & maintenance manual (36 pages)
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Summary of Contents for Robur GAHP A Indoor
- Page 1 Installation, use and maintenance manual GAHP A Indoor air source gas absorption heat pump for installation in technical room powered by gas and renewable energies...
- 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.
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Page 3: Table Of Contents
Antifreeze function ..........p. 15 Operative codes ..........p. 30 Antifreeze fluid ............ p. 15 System water quality ......... p. 15 9 Appendices ................p. 34 System filling ............p. 16 Product fiche ............p. 34 Fuel gas supply ............ p. 16 Installation, use and maintenance manual – GAHP A Indoor... -
Page 4: Iintroduction
INTRODUCTION CONTROL DEVICE Installation, use and maintenance manual In order to work, the GAHP A Indoor appliance needs a This Manual is an integral part of the GAHP A Indoor control device (DDC, CCI or external request), which must appliance and must be handed to the end user to- be connected by the installer. - Page 5 The appliance contains moving parts. Chloride concentration „ Do not remove guards during operation, and in any case prior to disconnecting the power supply. The concentration of chlorides or free chlorine in Installation, use and maintenance manual – GAHP A Indoor...
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Page 6: Iii.2 Compliance
Warnings III.2 COMPLIANCE the system water must not exceed the values in Ta- ble 3.2 p. 16 . III.2.1 EU directives and standards Aggressive substances in the air The absorption heat pumps of the GAHP series are certi- fied as conforming to standard EN 12309 and comply with Halogenated hydrocarbons containing chlorine the essential requirements of the following Directives: and fluorine compounds cause corrosion. - Page 7 „ 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 – GAHP A Indoor...
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Page 8: Features And Technical Data
Features and technical data FEATURES AND TECHNICAL DATA FEATURES Air exchanger with finned coil, with steel pipe and al- ▶ uminium fins. 1.1.1 Operation Automatic microprocessor-controlled finned coil de- ▶ frosting valve. Based on the thermodynamic water-ammonia absorption Low power consumption refrigerant fluid oil pump. cycle (H 0–NH ), the appliance produces hot water using... -
Page 9: Electronic Boards
1.5.2 DDC Controller the S61 board and located to the side of it, used to The DDC control is able to manage one or more Robur ap- control defrosting operations of the GAHP appliance. pliances in ON/OFF mode (GAHP heat pumps, GA chillers) or modulating mode (AY boilers). -
Page 10: Technical Data
▶ ▶ Possibility to interface with a BMS. Diagnostics. ▶ ▶ DDC functionality may be extended with auxiliary Robur Errors reset. ▶ devices RB100 and RB200 (e.g. service requests, DHW pro- Possibility to interface with a BMS. ▶ duction, third party generator control, probe control, sys- For further details refer to the CCI manual and the tem valves or circulating pumps, ...). - Page 11 Components under pressure refrigerant volume changer solution refrigerant absorber solution pump test pressure (in air) 48,5 maximum pressure of the refrigerating circuit filling ratio kg of NH 0,146 fluid group GROUP 1° Installation, use and maintenance manual – GAHP A Indoor...
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Page 12: Transport And Positioning
„ After removing the packing materials, ensure the openings. appliance is intact and complete. Packing GAHP A Indoor unit ventilation „ Only remove the packing after placing the appli- The aerothermal appliance requires aerated prem- ance on site. ises for regular air flow into the finned coil. The air „... -
Page 13: Minimum Clearance Distances
3.2.2 Constant ot variable water flow Installation must comply with applicable regula- The GAHP A Indoor unit may work with costant or varia- tions in force, based on the installation Country ble water flow, regardless of the ON/OFF or modulating and site, in matters of safety, design, implementa- operative mode. -
Page 14: Hydraulic Connections
Heating engineer HYDRAULIC CONNECTIONS component, removing any residue. 3.3.3 Minimum components of primary 3.3.1 Hydraulic connections plumbing circuit on the right, at the bottom, connection plate (Figure Always provide, near the appliance: 1.1 p. 8 ). on water piping, both outlet and inlet ▶... -
Page 15: Antifreeze Function
The filling and top-up water bring some amount of cal- cium into the system. This is attached to the hot parts in- cluding the heat exchanger, thus creating pressure drops Installation, use and maintenance manual – GAHP A Indoor... -
Page 16: System Filling
Heating engineer Table 3.2 Chemical and physical parameters of water circuit. 2. Let water flow (with burner off ) by activating the Chemical and physical parameters of water in heating/cooling systems service request and deactivating it before the Parameter Measurement unit Required value burner is ignited. -
Page 17: 3.10 Combustion Products Exhaust
Ø 80 mm (with gasket), on the left, at the top (Figure 1.2 p. 9 ). 3.10.2 Combustion air intake fitting Ø 80 mm (with gasket), on the left, at the top (Figure 1.2 p. 9 ). Installation, use and maintenance manual – GAHP A Indoor... -
Page 18: 3.11 Flue Gas Condensate Drain
8,90 3.11 FLUE GAS CONDENSATE DRAIN formation. The GAHP A Indoor unit is a condensing appliance and 3.11.1 Flue gas condensate connection therefore produces condensation water from combustion The fitting for flue gas condensate drain is located on the flue gases. -
Page 19: 3.12 Defrosting Water Drainage
Read the warnings in Chapter III.1 p. 4 , provid- tion and maintenance of electrical systems. ing important information on regulations and on safety. Installation, use and maintenance manual – GAHP A Indoor... -
Page 20: Electrical Systems
Electrical installer Installation must also comply with the manufactur- Figure 4.1 GAHP/GA electrical panel er's provisions. Live components After placing the appliance in the final position, and prior to making electrical connections, ensure not to work on live components. Earthing „ The appliance must be connected to an effective earthing system, installed in compliance with reg- ulations in force. -
Page 21: Adjustment And Control
CAN bus cable sections). 4. Connect the DDC or the CCI to the CAN bus cable ac- cording to the instructions in the following Paragraphs and the DDC or CCI manuals. Installation, use and maintenance manual – GAHP A Indoor... - Page 22 Electrical installer Figure 4.3 Connection of the CAN bus cable to the electronic board of GAHP/GA units GND H GND H SCH Electronic board of GAHP/GA units GND Common data Data signal LOW Data signal HIGH Onboard CAN bus jumper Detail of "terminal node" case (3 wires; J1 = jumper "closed") Detail of "intermediate node"...
- Page 23 J21 CAN bus jumper on DDC board Detail of "terminal node" case (3 wires; J21 = jumper "closed") Detail of "intermediate node" case (6 wires; J21 = jumper "open") P8 CAN port/connector Installation, use and maintenance manual – GAHP A Indoor...
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Page 24: Water Pump
Electrical installer 4.4.5 External request 3. Jumper J10 open if the pump is > 700 W or is a Wilo electronic pump, otherwise closed. System (3), see also Paragraph 1.5 p. 9 . It is required to arrange: Figure 4.8 Water pump connection (power absorption less than Enable device (e.g. -
Page 25: First Start-Up
Appliance correctly installed, according to the manu- ▶ bustion parameters and may exclusively be carried facturer's provisions. out by a Robur TAC. NEITHER the user NOR the in- System installed in a workmanlike manner, according ▶ stallation technician is authorised to perform such to national and local regulations. -
Page 26: Electronic Adjustment On The Machine
First start-up Appliance defects or faults caused during transport or S61 board knob (detail B in Figure 5.1 p. 26 ): ▶ installation. Enter the menu list (by pressing the first time). ▶ Gas smell. Scroll the menu list, or a series of parameters in a menu ▶... -
Page 27: Modifying Settings
The appliance may exclusively be switched on/off by means of the suitably provided control device First startup by TAC (DDC, CCI or external request). Installation, use and maintenance manual – GAHP A Indoor... -
Page 28: Efficiency
Maintenance Do not switch on/off with the power supply Although the external request is in the "ON" po- switch sition, this does not mean the appliance will start immediately, but it will only start when there are Do not switch the appliance on/off with the power actual service demands. -
Page 29: Scheduled Routine Maintenance
There are two options for resetting a fault: 1. If the appliance is connected to a DDC you may act Table 8.1 p. 30 . through the control device, as described in the rele- Installation, use and maintenance manual – GAHP A Indoor... -
Page 30: Periods Of Inactivity
Diagnostics vant manual. long period of time, disconnect it from the electrical and 2. You may act directly from the S61 board as described gas mains. These operations must be performed by qual- below (if the appliance is controlled with external re- ified personnel. - Page 31 High flue gas or generator fins Reset is automatic when the triggering board (menu 2, parameter 21). temperature condition ceases. If the code persists, shows up again or in case of doubt, contact the TAC. Installation, use and maintenance manual – GAHP A Indoor...
- Page 32 Diagnostics Code Description Warning (u) Error (E) Check configuration of other heat genera- tors on the system. Hot water temperature ex- Check water flow. ceeding operational limits Check system thermal load. Reset is automatic when the triggering condition ceases. Contact the TAC. Reset may be performed from the DDC/CCI or from the S61 Reset occurs automatically 20 minutes board (menu 2, parameter 21).
- Page 33 (menu 2, parameter 21). fault If the code persists, shows up again or in case of doubt, contact the TAC. Electronic board fault Contact the TAC. NA = not applicable Installation, use and maintenance manual – GAHP A Indoor...
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Page 34: Appendices
Contact details Robur SPA, Via Parigi 4/6, I-24040 Zingonia (BG) (*) For heat pump space heaters and heat pump combination heaters, the rated heat output Prated is equal to the design load for heating Pdesignh , and the rated heat output of a supplementary heater Psup is equal to the supplementary capacity for heating sup(Tj) . - Page 36 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.it robur@robur.it...
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