ROBUA GA Line ACF Series Instructions For Installation, Use And Maintenance Manual

ROBUA GA Line ACF Series Instructions For Installation, Use And Maintenance Manual

Gas fired absorption chiller

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Installation, Use and
Maintenance Manual
GA Line ACF Series
Gas fired absorption chiller
Natural gas/LPG fired

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Summary of Contents for ROBUA GA Line ACF Series

  • Page 1 Installation, Use and Maintenance Manual GA Line ACF Series Gas fired absorption chiller Natural gas/LPG fired...
  • Page 2 Revision: M Code: D-LBR357 This Manual has been drawn up and printed by Robur S.p.A.; whole or partial reproduction of this manual is forbidden. The original is filed at Robur S.p.A. Any use of this manual other than for personal consultation must be previously authorised by Robur S.p.A. The rights of those who have legitimately filed the registered trademarks contained within this publication are not affected.
  • Page 3: Table Of Contents

    8 DIAGNOSTICS ������������������������������������������������33 Hydraulic connections ............ 20 Operative codes..............33 Water circulation pump ..........21 APPENDICES ��������������������������������������������������������35 Antifreeze function ............21 Antifreeze liquid ..............21 Declaration of Conformity ..........35 Installation, Use and Maintenance Manual – GA Line ACF Series...
  • Page 4: I Introduction

    I Introduction I INTRODUCTION Manual qualified installer, for correct appliance installation; ▶ This Manual is an integral part of the GA unit and must designer, for specific information on the appliance. ▶ be handed to the end user together with the appliance. Control device Recipients In order to be able to work, the GA-ACF unit needs a control de-...
  • Page 5 Enter into a maintenance contract with an author- ▶ ised specialised firm for routine maintenance and for Earthing servicing in case of need. Only use original parts. ▶ Installation, Use and Maintenance Manual – GA Line ACF Series...
  • Page 6: Conformity

    1 Features and technical data Decommissioning and disposal Electrical systems and equipment. ▶ If the appliance is to be disposed of, contact the manu- Heating and air conditioning systems, and chillers. ▶ facturer for its disposal. Fire safety and prevention. ▶...
  • Page 7: Size

    HT for very hot climates, for residential/retail/industrial cool- ▶ ing systems with chilled water up to +5 °C, with outside air up to +50 °C; Figure 1�1 – GA-ACF standard version dimensions Installation, Use and Maintenance Manual – GA Line ACF Series...
  • Page 8 1 Features and technical data Figure 1�2 – GA-ACF silenced version dimensions Figure 1�3 – ACF Service plate with plumbing and gas connections LEGEND WATER FLOW TO INSTALLATION 1"1/4 F WATER INLET TO UNIT 1"1/4 F GAS SUPPLY 3/4" F...
  • Page 9 Chiller - CHILLED WATER WATER FLOW TO INSTALLATION 1"1/4 F WATER INLET TO UNIT 1"1/4 F Recovery exchanger - HOT WATER WATER FLOW TO INSTALLATION 1"1/4 F WATER INLET TO UNIT 1"1/4 F Installation, Use and Maintenance Manual – GA Line ACF Series...
  • Page 10: Components

    1 Features and technical data 1�3 COMPONENTS Figure 1�5 – Internal components - front view LEGEND 1.Combustion air intake 2.Blower 3. Gas valve 4.Electrical Panel 5.Oil pump 6.Water inlet connection Ø 1"1/4 F 7.Water flow connection Ø 1"1/4 F 8.Gas connection 9.Ambient temperature probe 10.Fan...
  • Page 11 1 Features and technical data Figure 1�6 – Left side internal components LEGEND 1.Ignition transformer 2.Flue gas thermostat 3.Ignitor and flame detectors Installation, Use and Maintenance Manual – GA Line ACF Series...
  • Page 12 1 Features and technical data Figure 1�7 – Right side internal components LEGEND 1.Safety valve 2.Manual air vent 3.Inlet temperature probe 4.TG Probe 5.Limit thermostat 6.Flow temperature probe 7.Water flow switch 8.Teva Probe...
  • Page 13: Electrical Wiring Diagram

    IGNTR ignition transformer THRF inlet water temperature probe blower motor detection electrode condenser outlet temperature probe blower condenser ambient air temperature probe fan motor Installation, Use and Maintenance Manual – GA Line ACF Series...
  • Page 14: Electronic Boards

    1 Features and technical data Figure 1�9 – GA-ACF-HR Unit wiring diagram LEGEND 230Vac power supply terminal board condenser input temperature probe fan capacitor electronic board (S61) SRT1 oil pump rotation sensor oil pump motor gas solenoid valve flue gas thermostat PWRTR transformer 230/24 Vac gas flow control lamp...
  • Page 15: Controls

    DDC functionality may be extended with auxiliary Robur devices RB100, RB200 Manuals and the Design Manual. RB100 and RB200 (e.g. service requests, DHW production, Third Party generator control, probe control, system valves or circulat- ing pumps, ...). Installation, Use and Maintenance Manual – GA Line ACF Series...
  • Page 16: Technical Characteristics

    1 Features and technical data 1�6�2 Control system (2) with external request For connection of the selected device to the appliance's electronic board please refer to Paragraph 4.4 p. 25. The appliance may also be controlled via generic request de- vices (e.g. thermostats, clocks, buttons, contactors...) fitted with voltage-free NO contact.
  • Page 17: Transport And Placement

    ▶ children (plastic, polystyrene, nails...) since they are potentially dangerous. Weight The crane and lifting equipment must be suitable for ▶ the load. Do not stand under suspended loads. ▶ Installation, Use and Maintenance Manual – GA Line ACF Series...
  • Page 18: Appliance Positioning

    2 Transport and placement Figure 2�1 – Instruction for lifting In the event of handling with forklift or pallet truck, com- It must be installed outside buildings, in an area of natural air ▶ ply with the handling methods shown on the packing. circulation, outside the dripping path of drainpipes or simi- lar.
  • Page 19: Mounting Base

    Country and site, in mat- In many cases it is advisable to divide the hydraulic system ters of safety, design, implementation and maintenance ▶ into two parts, primary and secondary circuit, uncoupled by Installation, Use and Maintenance Manual – GA Line ACF Series...
  • Page 20: Hydraulic Connections

    3 Plumbing installer a hydraulic separator, or possibly by a tank that also acts as For each GA unit provide a minimum water content in the ▶ inertial volume/thermal inertia. installation of at least 70 litres. If necessary, provide for an inertial volume, to be suitably ▶...
  • Page 21: Water Circulation Pump

    Free chlorine or water hardness may damage the appliance. The installer, operator and user are bound to assure system water quality (Table 3.2  p.  22). Failure to comply with the manufacturer's guidelines may affect Installation, Use and Maintenance Manual – GA Line ACF Series...
  • Page 22: Water System Filling

    3 Plumbing installer Adhere to the chemical-physical parameters in Table 3.2  p.  22 Do not leave washing residues. ▶ and the regulations on water treatment for residential and in- dustrial heating systems. 3�8 WATER SYSTEM FILLING Table 3�2 – Chemical and physical parameters of water CHEMICAL AND PHYSICAL PARAMETERS OF WATER IN HEATING/COOLING SYSTEMS How to fill up the system...
  • Page 23: Electrical Installer

    (occasional black outs are tolerated). To turn the appliance on and off, exclusively use the ▶ suitably provided control device (DDC or external request). Control of water circulation pump Installation, Use and Maintenance Manual – GA Line ACF Series...
  • Page 24: Electrical Power Supply

    4 Electrical installer Figure 4�1 – GA-ACF Electrical Panel LEGEND CAN-BUS cable gland S61 electronic boards ME and TER terminal boards transformer 230/23 V AC flame controller circulation pump power supply and control cable gland GA power supply cable gland Terminals: TER terminal box L-(PE)-N...
  • Page 25: Adjustment And Control

    Connection cable CAN BUS to electronic board: detail A case "terminal Paragraphs and the DDC or CCP/CCI Manuals. node", detail B case "intermediate node" GAHP Configuration (S61) + DDC (System (1) see also Paragraph 1.6 p. 15) Installation, Use and Maintenance Manual – GA Line ACF Series...
  • Page 26 4 Electrical installer Figure 4�4 – Connexion câble CAN BUS for plants with one unit LEGEND direct digital control electronic board S61 Jumper CAN-BUS in board S61 Jumper CAN-BUS in board DDC terminal nodes connection - (3 wires; J1 e J21 = "closed") H,L,GND data signal wires (rif.
  • Page 27: Water Circulation Pump

    Example of pump/appliance electrical connection with 230 Vac pump (with absorbed power of < 700 W), controlled directly by the appliance. Heat recovery exchanger circulating pump It must be controlled through a relay in the appliance's electrical board, connected in parallel to the solution pump. Installation, Use and Maintenance Manual – GA Line ACF Series...
  • Page 28: First Switch

    5 First switch on Figure 4�7 – Recovery exchanger pump connection wiring diagram LEGEND Relay on the unit for recovery exchanger pump request Thermostat with set-point calibration of DHW tank (not supplied) Thermostat calibrated at 35 °C with capillary tube in the lower part of the DHW tank (not supplied) [to be provided in the event the water flow rate on the recovery circuit exceeds the nominal...
  • Page 29: Routine Operation

    After switching on with the control, in normal operating con- ditions, the appliance starts/stops automatically according to the user's thermal needs, supplying chilled water at the pro- grammed temperature. Installation, Use and Maintenance Manual – GA Line ACF Series...
  • Page 30 6 Routine operation The appliance's electronic board (S61) Figure 6�1 LEGEND Controller S61 (in every unit) Electronic board S61 menu "2.", control, to execute flame control unit reset opera- Display ▶ tions, reset errors (Paragraph 6.6 p. 31); The 4-digit display of the S61 board (Detail A Figure 6.1 p. 30) menu "3.", display and setting, to set the value of some sys- is as follows: ▶...
  • Page 31: Modifying Settings

    "2._ "3._75" must be displayed (procedure Paragraph XX" is displayed again (e.g. "2.__0"). 6.4 p. 29); Installation, Use and Maintenance Manual – GA Line ACF Series...
  • Page 32: Efficiency

    7 Maintenance 4. Exit menu 2 and the menu list, by selecting and Keep the finned coil clean; ▶ pressing letter "E" twice, and go back to the normal Set minimum water temperature to the actual system re- ▶ display of detected temperature data. quirement;...
  • Page 33: Periods Of Inactivity

    (menu 2, parameter 1). GENERATOR TEMPERATURE HIGH ceases. If the code persists, shows up again or in case of doubt, contact the TAC. FLAME CONTROL UNIT ERROR Contact authorised Technical Assistance Installation, Use and Maintenance Manual – GA Line ACF Series...
  • Page 34 8 Diagnostics CODES DESCRIPTION Warning (u) Error (E) • Check and clean water filters on the system. • Check for air in the system. • Check water flow pump. Reset is automatic when the triggering condition • Power cycle the appliance. INSUFFICIENT WATER FLOW ceases.
  • Page 35: Appendices

    Parigi 4/6 24040 Verdellino/Zingonia (BG) Italy T +39 035 888111 F +39 035 884165 capitale sociale € 2.028.000,00 i.v. iscritta al Registro Imprese di Bergamo n. 154968 codice fiscale/partita iva 00373210160 V.A.T. code IT 00373210160 società soggetta all’attività di direzione e coordinamento di Fin Robur S.a.p.A. di Benito Guerra & C. Installation, Use and Maintenance Manual – GA Line ACF Series...
  • 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 Spa advanced climate control technologies Via Parigi 4/6 24040 Verdellino/Zingonia (Bg) Italy T +39 035 888111⇒F +39 035 884165 www.robur.it robur@robur.it...

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