Robur GA Line ACF Series Installation, Use And Maintenance Manual
  1. Manuals
  2. Brands
  3. Robur Manuals
  4. Chiller
  5. GA Line ACF Series
  6. Installation, use and maintenance manual

Robur GA Line ACF Series Installation, Use And Maintenance Manual

Ga line acf series gas fired absorption chiller for cooling medium-large areas
Hide thumbs
Table of Contents

Advertisement

Quick Links

Installation, use and
GA Line ACF Series
Gas fired absorption chiller
for cooling medium-large areas
Natural gas/LPG fired

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the GA Line ACF Series and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for Robur GA Line ACF Series

Summary of Contents for Robur GA Line ACF Series

  • Page 1 Installation, use and maintenance manual GA Line ACF Series Gas fired absorption chiller for cooling medium-large areas Natural gas/LPG fired...
  • Page 2 EDITION: 04/2012 Revision: H Code: D-LBR357 This manual has been drawn up and printed by Robur S.p.A.; whole or partial reproduction of this manual is prohibited. 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.
  • Page 3 Foreward FOREWARD This manual is designed to be an installation and user’s guide for the Robur series ACF60-00 absorption chiller. This manual especially applies to the plumbing and electrical installers for the hook-up of the ACF and the initial configuration, and also for the end user regarding its use.

  • Page 5: Table Of Contents

    Table of contents TABLE OF CONTENTS SECTION 1 GENERAL INFORMATION AND TECHNICAL SPECIFICATIONS ....3 1.1 SAFETY WARNINGS .........................3 1.2 GENERAL INFORMATION.........................5 1.3 OPERATION OF THE ACF60-00 .......................8 1.4 TECHNICAL SPECIFICATIONS.......................11 1.5 ACF DIMENSIONS AND SERVICE PANELS ..................26 SECTION 2 END USER ....................29 2.1 COMMISSIONING (AND SHUTDOWN) OF THE ACF ..............29 2.2 ON-BOARD ELECTRONICS ......................30 2.3 SETTING OF OPERATING PARAMETERS ..................35...
  • Page 6 ACF60-00 – Installation, User’s and Maintenance Manual Ed. 04/2012...

  • Page 7: Safety Warnings

    Section GENERAL INFORMATION AND TECHNICAL SPECIFICATIONS SECTION 1 GENERAL INFORMATION AND TECHNICAL SPECIFICATIONS In this section you will find the general instructions to follow for the installation of the ACF, and outlines on the running of the unit, constructive characteristics and the technical data. 1.1 SAFETY WARNINGS Packing items (plastic bags, polystyrene foam, nails, etc.) must be kept out of the reach of children, as they are potentially dangerous.
  • Page 8 ACF60-00 – Installation, User’s and Maintenance Manual If you smell gas: • do not use electrical devices such as telephones, multimeters or other equipment that can cause sparks next to the appliance; • shut off gas supply closing the isolation valve; •...

  • Page 9: General Information

    Section GENERAL INFORMATION AND TECHNICAL SPECIFICATIONS EXPLOSIVE/FLAMMABLE MATERIALS HAZARD Do not use or store flammable materials (paper, solvents, paint, etc.) in the vicinity of the appliance. SUGGESTIONS FOR THE CLIENT Stipulate a maintenance contract with an authorised specialist contractor for the annual inspection of the appliance and maintenance when needed.
  • Page 10 STARTUP AND ADJUSTING” page 73. Contact your local Authorised Robur Technical Assistance Centre (TAC). To find out who your local TAC is, contact Robur S.p.A. (tel. +39 035 888.111). The guarantee could be voided if the initial activation is not carried out (and validated) by a Robur TAC.
  • Page 11 Failure to observe the indications above may compromise the operation and safety of the appliance, and may invalidate warranty. If the appliance is to be disposed of, contact Robur S.p.A. for its correct disposal. If the appliance is to be sold or transferred to another owner, ensure that this “Installation, user and maintenance manual”...

  • Page 12: Operation Of The Acf60-00

    1.4 TECHNICAL SPECIFICATIONS, on page 11. All versions can be supplied with Robur grey or stainless steel panelling (for stainless steel versions the symbol is “I”, ex. ACF60-00 TK I), with standard or silenced fan (for silenced versions the symbol is “S”, ex.
  • Page 13 Section GENERAL INFORMATION AND TECHNICAL SPECIFICATIONS machine codes during operation, see “ON-BOARD ELECTRONICS” on page 30, and “TABLE OF OPERATING CODES “ on page 83. A 4 digit DISPLAY for the visualization of the data and operational codes B KNOB (encoder) for navigating and selecting of operational data C CAN PORT for the connection of the CAN-BUS network cable Figure 1 –...
  • Page 14 ACF60-00 – Installation, User’s and Maintenance Manual • air-based heat exchanger with single-position finned coil, manufactured in steel tubing and aluminium fins; • water-based exchanger of the shell-and-tube type in titanium alloyed stainless steel, externally insulated; • variable-flow microprocessor-controlled axial fan; •...

  • Page 15: Technical Specifications

    A reduction in RPM of the fan (air delivery) is required for external air temperatures less than 33°C. Sound source rested on a reflective surface. To be eventually set only by personnel Robur. Minimum Temperature Factory Set = 4,5°C. ±10% in relation to the power supply and tolerance on the power draw of the electrical motors.
  • Page 16 ACF60-00 – Installation, User’s and Maintenance Manual ACF60-00, ACF60-00 S – COOLING CAPACITY CORRECTION FACTORS EXTERNAL AIR WATER DELIVERY TEMPERATURE °C TEMPERATURE °C 0.98 0.99 1.01 1.03 0.98 0.99 1.01 1.03 0.98 0.99 1.01 1.03 0.98 0.99 1.01 1.03 0.98 0.99 1.01 1.03...
  • Page 17 A reduction in RPM of the fan (air delivery) is required for external air temperatures less than 33°C. Sound source rested on a reflective surface. To be eventually set only by personnel Robur. Minimum Temperature Factory Set = 4,5°C ±10% in relation to the power supply and tolerance on the power draw of the electrical motors.
  • Page 18 ACF60-00 – Installation, User’s and Maintenance Manual ACF60-00 TK, ACF60-00 TK S – COOLING CAPACITY CORRECTION FACTORS EXTERNAL AIR WATER DELIVERY TEMPERATURE °C TEMPERATURE °C 1.18 1.18 1.19 1.20 1.18 1.18 1.18 1.19 1.17 1.17 1.18 1.19 1.16 1.16 1.17 1.18 1.16 1.16...
  • Page 19 Section GENERAL INFORMATION AND TECHNICAL SPECIFICATIONS ACF60-00 HT, ACF60-00 HT S - TECHNICAL SPECIFICATIONS ACF60-00 ACF60-00 UNIT SIZE HT S OPERATIONAL CHARACTERISTICS NOMINAL 25.30 NOMINAL HEAT CAPACITY AT THE BURNER EFFECTIVE 25.03 COOLING CAPACITY 17.12 NOMINAL 2675 CHILLED WATER FLOW RATE MINIMUM L/hr 2500...
  • Page 20 ACF60-00 – Installation, User’s and Maintenance Manual ACF60-00 HT, ACF60-00 HT S – COOLING CAPACITY CORRECTION FACTORS EXTERNAL AIR WATER DELIVERY TEMPERATURE °C TEMPERATURE 10.0 12.5 14.0 °C 1.02 1.02 1.02 1.02 1.03 1.02 1.02 1.02 1.02 1.03 1.02 1.02 1.02 1.02 1.03...
  • Page 21 Section GENERAL INFORMATION AND TECHNICAL SPECIFICATIONS ACF60-00 LB, ACF60-00 LB S - TECHNICAL SPECIFICATIONS ACF60-00 ACF60-00 UNIT SIZE LB S OPERATIONAL CHARACTERISTICS NOMINAL 25.30 NOMINAL HEAT CAPACITY AT THE BURNER EFFECTIVE 25.03 COOLING CAPACITY 13.30 NOMINAL 2600 CHILLED WATER FLOW RATE MINIMUM L/hr 2300...
  • Page 22 ACF60-00 – Installation, User’s and Maintenance Manual ACF60-00 LB, ACF60-00 LB S – COOLING CAPACITY CORRECTION FACTORS – 1/2 EXTERNAL AIR WATER DELIVERY TEMPERATURE °C TEMPERATURE -10,0 -7,0 -5,0 -2,0 °C 1.14 1.15 1.15 1.16 1.17 1.14 1.15 1.15 1.16 1.17 1.14 1.15...
  • Page 23 Section GENERAL INFORMATION AND TECHNICAL SPECIFICATIONS ACF60-00 LB, ACF60-00 LB S – COOLING CAPACITY CORRECTION FACTORS – 2/2 EXTERNAL AIR WATER DELIVERY TEMPERATURE °C TEMPERATURE -10.0 -7.0 -5.0 -2.0 °C 1.04 1.07 1.10 1.13 1.15 1.02 1.06 1.09 1.12 1.15 1.01 1.05 1.08...
  • Page 24 ACF60-00 – Installation, User’s and Maintenance Manual ACF60-00 HR, ACF60-00 HR S - TECHNICAL SPECIFICATIONS ACF60-00 ACF60-00 UNIT SIZE HR S OPERATIONAL CHARACTERISTICS NOMINAL 25.30 NOMINAL HEAT CAPACITY AT THE BURNER EFFECTIVE 25.03 COOLING CAPACITY 17.72 (AIR CONDITIONING ONLY – NO RECOVERY) COOLING CAPACITY 17.93 (AIR CONDITIONING + RECOVERY)
  • Page 25 Section GENERAL INFORMATION AND TECHNICAL SPECIFICATIONS Remarks Nominal conditions: 1013 mbar, 15 °C; Actual conditions: 1000 mbar, 20 °C Nominal running conditions: external air temperature 35°C; chilled water temperature - delivery 7.2 °C – return 12.7 °C. For conditions other than the nominal conditions, apply the cooling capacity correction factors seen in Table 12, page 21. Nominal running conditions: external air temperature 35°C;...
  • Page 26 ACF60-00 – Installation, User’s and Maintenance Manual OPERATIONAL MODE: AIR CONDITIONING + HEAT RECOVERY EXTERNAL AIR WATER DELIVERY TEMPERATURE °C TEMPERATURE °C 0.97 0.98 1.00 1.02 0.97 0.98 1.00 1.02 0.97 0.98 1.00 1.02 0.97 0.98 1.00 1.02 0.97 0.98 1.00 1.02 0.96...
  • Page 27 Section GENERAL INFORMATION AND TECHNICAL SPECIFICATIONS HEAT CAPACITY kW (Output = 1000 L/hr) RECOVERY EXTERNAL AIR TEMPERATURE SYSTEM HOT °C WATER RETURN TEMPERATURE °C 27.00 29.00 30.10 31.30 32.00 21.00 22.90 24.48 25.11 26.22 28.00 30.00 14.05 16.00 18.00 19.08 21.00 23.00 25.06...
  • Page 28 ACF60-00 – Installation, User’s and Maintenance Manual ACF60-00, TK, HT, HR (also silenced version) PRESSURE DROP under nominal conditions 0.38 ACF60-00, 0.36 TK, HT, HR 0.34 0.32 0.30 0.28 0.26 0.24 0.22 2500 2600 2700 2800 2900 3000 3100 3200 WATER FLOW RATE L/hr Figure 4 –...
  • Page 29 Section GENERAL INFORMATION AND TECHNICAL SPECIFICATIONS PED Characteristics The ACF60-00 chiller has a pressurized hermetic circuit and is therefore subject to the to the Pressurized Equipment Directive (PED). The corresponding parameters and value are reported in the following table: ACF60-00 ACF60-00 HR ACF60-00 TK ACF60-00 HT ACF60-00 LB PARAMETERS...

  • Page 30: Acf Dimensions And Service Panels

    ACF60-00 – Installation, User’s and Maintenance Manual 1.5 ACF DIMENSIONS AND SERVICE PANELS ACF (Standard, TK, HT and LB versions) with standard ventilation (dimensions in mm) 1230 Figure 6 – Dimensions of the ACF (Standard, TK, HT and LB versions). See Figure 9 on page 28 for the measurements of the service panels.
  • Page 31 Section GENERAL INFORMATION AND TECHNICAL SPECIFICATIONS ACF (all versions) with silenced ventilation (dimensions in mm) 1230 Figure 8 – Dimensions of the ACF60-00, TK, HT, LB, HR, silenced ventilation. The measurements of the service panels do not vary. According to the ACF type see Figure 9 or Figure 10, page 28. NOTE: the service panel represented does not pertain to the ACF HR;...
  • Page 32 ACF60-00 – Installation, User’s and Maintenance Manual Service panel for the ACF60-00, TK, HT, LB. The indicated measurements are expressed in mm, and are also valid for the corresponding silenced versions. A – WATER DELIVERY TO APPLIANCE Ø 1-¼” F B –...

  • Page 33: Section 2 End User

    Section END USER SECTION 2 END USER This section illustrates the commissioning of the ACF, its adjustments and the operation control by the circuit board in the electrical panel. 2.1 COMMISSIONING (AND SHUTDOWN) OF THE ACF Efficient functioning and the longevity of the ACF greatly depend on its correct use! If the ACF60-00 is connected to a Direct Digital Controller (DDC), its ignition and control are done exclusively through the DDC.

  • Page 34: On-Board Electronics

    If the ACF arrests numerous times, contact a Robur Authorized Technical Service Centre by calling the toll free number provided with the ACF or by calling Robur S.p.A. directly at +39 035 888 111. Once the ACF has been started, it is controlled by the electronic circuit board inside the electrical panel, as explained in the next paragraph.
  • Page 35 Section END USER A 4 digit DISPLAY for the visualization of the data and operational codes B KNOB (encoder) for navigating and selecting of operational data C CAN PORT for the connection of the CAN-BUS network cable Figure 11 – The S61 electronic circuit board. The Display, Encoder and CAN-BUS Port Programming, control and monitoring of the ACF are done through the display and the circuit board encoder.
  • Page 36 But to set new parameter values, go to paragraph 3.6 on page 50. Menu’s 4, 5, 6 and 7 only pertain to the installer and to Robur Authorized Technical Service Centres. Menu 8 can be selected, but is not used.
  • Page 37 Section END USER Requirements: Installed and running ACF. To use the knob: Remove the front panel by unscrewing the fastening screws. Remove the special wrench from the tube above the electrical panel. Remove the plug from the electrical panel to access the knob. Through the hole, turn the knob using the special wrench.
  • Page 38 ACF60-00 – Installation, User’s and Maintenance Manual To access the menu’s mentioned in Table 17 (seen on page 31) while the ACF is functioning, just press the knob once. Requirements: Accessibility to the electrical panel (see previous procedure). To navigate using the knob: Run through the display elements by turning the knob in either direction, clockwise to see the next menu item and counter clockwise for the previous item.

  • Page 39: Setting Of Operating Parameters

    Section END USER 2.3 SETTING OF OPERATING PARAMETERS The operations described require the basic knowledge of both the installed appliance and the S61 electronic circuit board mounted on the ACF; You must be familiar with this information before proceeding, which can be found in paragraph 2.2 ON-BOARD ELECTRONICS on page 30.
  • Page 40 ACF60-00 – Installation, User’s and Maintenance Manual appears on the display: press the knob to access the menu. The display shows option 0 first, Press the knob and the reset request will begin flashing: Press the knob again to reset the flame control unit: The reset request stops flashing will again appear on the display.

  • Page 41: Warning And Error Codes

    If the chiller still does not function properly after these checks, of if it is off and won’t start, do not perform any other operations. Record the error codes shown on the ACF display and contact a Robur Authorized Technical Service Centre by calling the toll free number provided with the ACF or by calling Robur S.p.A.

  • Page 42: Prolonged Inactivity

    In case of winter saesonal switch-off or long period of stopping, we suggest to not empty the hydraulic circuit: in that case possible oxidation process can occur.This oxidation process could damage both the hydraulic system and also the Robur heat pump.It’s important to verify that no leakages occur in the hydraulic circuit that may empty part of the system.

  • Page 43: General Installation Principles

    Section PLUMBING INSTALLER SECTION 3 PLUMBING INSTALLER This section describes the operations to be performed for the correct plumbing installation of the ACF60-00. The plumber must consult with the electrician to determine the correct sequence of operations to follow. WARNING: An incorrect installation could cause harm to people, animals or objects: before installation, carefully read the “SAFETY WARNINGS”...

  • Page 44: Positioning Of The Acf60-00

    The lifting crane and all the accessories (cables, tethers, bars) must be appropriate for the job. See the “TECHNICAL SPECIFICATIONS” paragraph on page 11 for the weight of the ACF. Robur S. p. A. cannot be held responsible for any damage that may occur during the commissioning of the ACF.
  • Page 45 Section PLUMBING INSTALLER Also avoid installing the unit in corners to avoid the amplification of the noise due to reverberation. Position the appliance so as to maintain minimum clearances from combustible surfaces, walls or other appliances, as illustrated in Figure 13. Minimum clearances are are required to make maintenance possible Do not install any cover or obstruction to the evacuation of the air issuing from the fan.

  • Page 46: Water Connections

    ACF60-00 – Installation, User’s and Maintenance Manual Ground installation Place the ACF on a flat, level surface (support base) made of fireproof material. If a horizontal support base is not available, a flat and level base made of cement must be made that is slightly larger than the base of the ACF: at least 100-150 mm per side;...
  • Page 47 Section PLUMBING INSTALLER As other hydronic appliances, Robur heating and cooling systems operate with grid-water of good quality. In order to prevent any possible problem of operation or reliability caused by filling or top-up water, please refer to codes and norms about water treatment for thermo-hydraulic installations in civil or industrial applications.
  • Page 48 ACF60-00 – Installation, User’s and Maintenance Manual Robur is not liable for ensuring that water quality is always compliant with what reported in Table 20 is not’s. Non-compliance with indications above may jeopardize the proper operation, integrity and reliability of Robur appliances, invalidating the warranty.
  • Page 49 Section PLUMBING INSTALLER The figure below is a diagram of the ACF60-00 water connections: IF USED ® DELIVERY RETURN ACF60-00 FLEXIBLE CONNECTORS PUMP PRESSURE GAUGES EXPANSION VESSEL FLOW CONTROL VALVE ACCUMULATION TANK WATER FILTER DIRECT DIGITAL CONTROLLER SHUT-OFF VALVE (available as an accessory) Figure 14 –...
  • Page 50 ACF60-00 – Installation, User’s and Maintenance Manual However, the use of an accumulation tank is an ideal solution to compensate for sudden pressure changes, especially when the water circuit contains less than 70 litres of water for each ACF installed. Figure 15 shows 2 examples with the use of accumulation tanks: as in-line accumulation and as primary and secondary division of the circuit.

  • Page 51: Gas Supply System

    Section PLUMBING INSTALLER ® ® FLEXIBLE CONNECTORS PUMP PRESSURE GAUGES EXPANSION VESSEL FLOW CONTROL VALVE ACCUMULATION TANK (needed for each ACF with plant water content less than 70 litres) WATER FILTER DIRECT DIGITAL CONTROLLER (available as an accessory SHUT-OFF VALVE Figure 16 –...

  • Page 52: Filling Of The Water Circuit

    ACF60-00 – Installation, User’s and Maintenance Manual LPG can have corrosive effects. The pipe connections must be done using materials that resistant to this corrosive action. The vertical gas pipes must have a siphon and a condensation trap due to the formation of condensation in the pipes during the colder months.
  • Page 53 Section PLUMBING INSTALLER which the ACF is installed and to the specific usage requirements in relation to the ACF model installed (see paragraph 1.4 TECHNICAL SPECIFICATIONS, page 11). Antifreeze must also be used to prevent the formation of ice in the ACF’s evaporator during normal operation, which could cause damage if the volume of water in the appliance or in the primary circuit is less than 70 litres for each ACF.

  • Page 54: Setting Of The Water Parameters

    ACF60-00 – Installation, User’s and Maintenance Manual 3.6 SETTING OF THE WATER PARAMETERS The operations described in this paragraph are only necessary if the ACF is not connected to a Direct Digital Controller (DDC). If the ACF is connected to a DDC, refer to the manual provided with the DDC.
  • Page 55 Section PLUMBING INSTALLER • The ACF is running: the water is chilled until the Set-Point temperature of +7°C is reached. • The ACF turns off: the temperature of the water increases until 9°C is reached (7°C + 2°C). • The ACF turns on: the water is again chilled. •...
  • Page 56 ACF60-00 – Installation, User’s and Maintenance Manual Ed. 04/2012...

  • Page 57: Operation With Control Switch

    An incorrect installation or an installation that is not compliant with the regulations of the law could cause harm to people, animals and objects; Robur S.p.A. is not responsible to damages relating to incorrect installation or installation that does not conform to the regulations of the law.
  • Page 58 ACF60-00 – Installation, User’s and Maintenance Manual ACF Hook-up Requirements: The ACF must be positioned in its final location. To connect the ACF to the electrical power supply line and to connect a control switch: Obtain a FG7(O)R 3Gx1,5 type cable for the electrical power supply of the ACF. Connect the ACF to the power supply line using the indicated cable and also install either a bipolar isolating switch with 2 5A T-type fuses or a 10A thermomagnetic switch near the cable (see detail GS on Figure 17).

  • Page 59: Appliance Pump Control

    Section ELECTRICAL INSTALLER 4.2 APPLIANCE PUMP CONTROL The primary circulation pump/s must be controlled by the S61 board, or directly (via “N.O. contact” contacts) or indirectly (“OR” use of said contacts by BMS type external systems). Otherwise, the primary circulation pump/s must be running permanently.

  • Page 60: Pump And Electrical Wiring Diagrams

    ACF60-00 – Installation, User’s and Maintenance Manual 4.3 PUMP AND ELECTRICAL WIRING DIAGRAMS Connection of the water circulation pump Pump controlled by the ACF, power draw <700W SCH1 CIRCUIT BOARD CLOSED JUMPER NO CONCTAT N.O. VOLTAGE FREE CONTACTS UNIT TERMINAL BLOCK PHASE NEUTRAL Components NOT SUPPLIED...
  • Page 61 Section ELECTRICAL INSTALLER Heat recovery circulator pump connection (ONLY for HR model) Pump connection for a single ACF - HR SCH1 CIRCUIT BOARD UNIT TERMINAL BLOCK UNIT RELAY FOR HEAT RECOVERY CIRCULATOR PUMP PERMISSIVE DHW TANK THERMOSTAT (not supplied) DHW TANK THERMOSTAT SET AT 35°C WITH CAPILLARY PUT ON THE LOWER TANK REGION (not supplied) [to be install in case the heating recovery water flow is higher than the nominal of 1000 l/h] BIPOLAR DISCONNECTING DEVICE FOR HEAT RECOVERY POWER SUPPLY PUMP (not supplyed) BIPOLAR RELAY HEAT RECOVERY CIRCULATOR PUMP (not supplied)
  • Page 62 ACF60-00 – Installation, User’s and Maintenance Manual Pump connection for n.2 ACF - HR Under Insaller Responisibility SCH1 CIRCUIT BOARD UNIT TERMINAL BLOCK KP1-2 UNIT RELAYS FOR HEAT RECOVERY COMMON CIRCULATOR PUMP PERMISSIVE DHW TANK THERMOSTAT (not supplied) DHW TANK THERMOSTAT SET AT 35°C WITH CAPILLARY PUT ON THE LOWER TANK REGION (not supplied) [to be install in case the heating recovery water flow is higher than the nominal of 1000 l/h] BIPOLAR DISCONNECTING DEVICE FOR HEAT RECOVERY POWER COMMON PUMP SUPPLY...
  • Page 63 Section ELECTRICAL INSTALLER Independent Pump connection for several ACF - HR Under Insaller Responisibility SCH1 CIRCUIT BOARD UNIT TERMINAL BLOCK KP1-2 UNIT RELAYS FOR HEAT RECOVERY COMMON CIRCULATOR PUMP PERMISSIVE DHW TANK THERMOSTAT (not supplied) DHW TANK THERMOSTAT SET AT 35°C WITH CAPILLARY PUT ON THE LOWER TANK REGION (not supplied) [to be install in case the heating recovery water flow is higher than the nominal of 1000 l/h] BIPOLAR DISCONNECTING DEVICE FOR HEAT RECOVERY POWER COMMON PUMP SUPPLY (not supplyed) KPc 1-2 BIPOLAR RELAYS HEAT RECOVERY COMMOMN CIRCULATOR PUMP (not supplied)

  • Page 64: Use Of A Direct Digital Controller (Ddc)

    ACF60-00 – Installation, User’s and Maintenance Manual Figure 24 – ACF60-00 HR internal wiring 4.4 USE OF A DIRECT DIGITAL CONTROLLER (DDC) This paragraph describes the operations to be performed when connecting one or more ACF60-00’s to a Direct Digital Controller (DDC). For specific information about the DDC, refer to the manual provided with it.
  • Page 65 The table below mentions a few types of CAN BUS cable, combined together based on the maximum distance covered for each individual type. TYPE and MODEL COVERAGE MAX. DISTANCE COLOR and SIGNAL CABLE ROBUR NETBUS BLACK = H WHITE = L BROWN = GND Honeywell SDS 1620 BELDEN 3086A...
  • Page 66 3 coloured wires, choose the colours to be used and cut the unnecessary wires. The ROBUR NETBUS cable is available as an accessory, see “ACCESSORIES” on page Connection of the CAN BUS cable to the ACF Requirements: The ACF (or ACF's) must be positioned in its final location.
  • Page 67 Section ELECTRICAL INSTALLER Before working on the electric panel of the ACF, ensure that the electrical power supply is disconnected. Remove the front panel of the ACF and the cover of the electrical panel. Cut the ideal length of cable for the installation so that it will not undergo bending. Having chosen one end of the length of cable, remove the sheath from a length of approximately 70-80 mm, taking care not to cut the shielding (metallic shield and/or aluminium sheet and, if present, the bare connector in contact with the shield) and...
  • Page 68 ACF60-00 – Installation, User’s and Maintenance Manual Elettronic circuit board GND- Common data LOW signal data HIGHT signal data Board CAN BUS Jumper Detail for “ terminal node” (3 wires; J1 = jumpers “closed”) Detail for “ intermediate node” (6 wires; J1 = jumpers “opened) CAN PORT/connector Connection CAN PORT S61 electronic board Figure 27 –...
  • Page 69 Section ELECTRICAL INSTALLER Connection of the CAN BUS cable to the DDC The CAN BUS cable is connected to the special orange connector supplied with the DDC, seen in Figure 28. Figure 28 – Orange connector supplied with the DDC for connecting the wires of the CAN BUS cable. Before working on the DDC, make sure that it is off.
  • Page 70 ACF60-00 – Installation, User’s and Maintenance Manual Requirements: Accessibility to the rear cover of the DDC. To connect a CAN BUS cable to a DDC: Position the jumpers on the DDC according to the type of node being configured: If necessary, open the rear cover of the DDC by loosening the 4 screws;...
  • Page 71 Section ELECTRICAL INSTALLER Choose one end of the cable and remove about 70-80 mm of the protective outer covering being careful not to cut the shielding (metallic screen and/or aluminium foil, and if present, the raw connector in contact with the screen) and the wires inside. Pull back the shielding and connect it to a 4mm eyelet, as seen in Figure 29 on page 65, letters C and D.
  • Page 72 The backup battery has a life of approximately 7 years; contact a Robur S.p.A. Authorized Technical Service Centre for a replacement. Close the rear cover of the DDC after all of the operations have been performed. Tighten the 4 screws, being careful when tightening the lower right screw for the eyelet (or eyelets) of the CAN BUS cable shielding, as seen in Figure 29 on page 65.
  • Page 73 Section ELECTRICAL INSTALLER JUMPER CLOSED JUMPER CLOSED DIRECT DIGITAL CONTROLLER (accessory) LOW DATA SIGNAL SCH1 ELECTRONIC CIRCUIT BOARD HIGH DATA SIGNAL COMMON DATA SIGNAL Figure 33 – Diagram of one ACF connected to a Direct Digital Controller (DDC). Ed. 04/2012...
  • Page 74 ACF60-00 – Installation, User’s and Maintenance Manual Figure 34 – Diagram of two ACF60's connected to a Direct Digital Controller (DDC). Ed. 04/2012...
  • Page 75 Section ELECTRICAL INSTALLER SCH1 CIRCUIT BOARD OPEN JUMPER NO CONTACT N.O VOLTAGE FREE CONTACTS UNIT TERMINAL BLOCK’ PHASE NEUTRAL Components NOT SUPPLIED WATER PUMP PUMP RELAY SELV SAFETY TRANSFORMER BIPOLAR PUMP SWITCH Figure 35 – Example of pump/appliance electrical connection with 230 Vac pump, controlled directly by the appliance through a relay and a SELV safety transformer Ed.

  • Page 76: How To Reset The Flame Controller From Remote

    ACF60-00 – Installation, User’s and Maintenance Manual 4.5 HOW TO RESET THE FLAME CONTROLLER FROM REMOTE The flame controller reset can be controlled remotely by installing a button (not supplied) to the flame controller inside the unit’s electrical panel. Connect the button as instructed below: The cable required to connect the reset button must be 3x0,75mm Cut a suitable length of cable.

  • Page 77: Initial Startup And Adjusting

    5.1 INITIAL STARTUP AND ADJUSTING Initial start-up The initial start-up of the ACF should by done by a Robur S.p.A. Authorized Technical Service Centre. . Before starting up the ACF, read paragraph 1.1 on page 3 and also paragraph 2.1 on page 29.
  • Page 78 Installations that could cause the ACF to function irregularly. Gas flow adjustment The adjustment of the gas flow on the ACF must only be done by a Robur S.p.A. Authorized Technical Service Centre. . The end users and installers are NOT authorized to regulate the gas flow on the ACF.
  • Page 79 Section INITIAL STARTUP AND MAINTENANCE Read the static pressure value of the network on the pressure gauge and check that it is within the required pressure limits (see "GAS SUPPLY SYSTEM” on page 47). Close the gas supply valve. Disconnect the pressure gauge and replace the seal screw of the gas pressure jack. To adjust the gas flow on the ACF: With the gas valve closed, loosen the sealing screw on the gas pressure outflow jack, letter C in Figure 37 on page 76.

  • Page 80: Gas Conversion

    3.6 on page 50. 5.2 GAS CONVERSION This operation must be carried out exclusively by an authorised Robur Technical Assistance Centre (TAC). If the appliance is to operate with a type of gas (methane or L.P.G.) different from that...
  • Page 81 Section INITIAL STARTUP AND MAINTENANCE kit, taking care to centre the manostat pipe with the hole present on the top edge of the diaphragm itself (see detail H); refit the exhaust air extractor nozzle to the exhaust fan, taking care to position the new gasket (supplied) correctly: during this operation, rotate the nozzle so that the crescent-shaped shield is repositioned in the top half (i.e.
  • Page 82 ACF60-00 – Installation, User’s and Maintenance Manual DETAIL A DETAIL B DETAIL C DETAIL D DETAIL E DETAIL F DETAIL G DETAIL H Figure 38 – Gas conversion operations. Ed. 04/2012...

  • Page 83: Maintenance

    Any operation pertaining to the internal components of the ACF must only by done a Robur S.p.A. Authorized Technical Service Centre, following the instructions provided by the manufacturer. Regularly planned maintenance Perform the operations described below at least once a year.
  • Page 84 ACF60-00 – Installation, User’s and Maintenance Manual Maintenance operations NOT to be performed by the end user, but by a Robur S.p.A. Authorized Technical Service Centre. . Functionality check of the combustion system: cleaning of the generator and the burner check of the ignition system and flame detector •...

  • Page 85: Section 6 Accessories

    Section ACCESSORIES SECTION 6 ACCESSORIES This section gives a list of the available accessories for the ACF60-00. To order any of these accessories, contact Robur S.p.A. by calling +39 035 888 111. ACF60-00 Accessories ACCESSORIES FOR THE WATER SYSTEM INSTALLER Name...
  • Page 86 ACF60-00 – Installation, User’s and Maintenance Manual Ed. 04/2012...

  • Page 87: Appendix

    602 code generated 3 times in 2 hours of operation. RESET METHOD: Reset may be performed from the DDC (or from the S61 board via menu 2, parameter 1. If codes and/or E 2 occur again, contact authorised Robur TAC. Ed. 04/2012...
  • Page 88 RESET METHOD: Carry out appropriate checks. Reset may be performed from the DDC (or from the S61 board via menu 2, parameter 1). If the code persists, contact authorised Robur TAC. HIGH AMBIENT TEMPERATURE HIGH temperature detected by ambient temperature sensor.
  • Page 89 RESET METHOD: Carry out appropriate checks. Reset may be performed via DDC (or S61 board via menu 2, parameter 1). If the code persists, contact ROBUR TAC. ANTIFREEZE FUNCTION ACTIVATED – COOLING MODULE Activation takes place only if the circulator is off and the antifreeze function is enabled (see menu 1, parameter 77).
  • Page 90 Reset occurs automatically when correct parameters are entered. If the code persists, contact authorised Robur TAC. If the parameters are incorrect, it is necessary to enter and complete the unit operating and characterisation parameters. If the memory is damaged, it is necessary to replace the board.
  • Page 91 APPENDIX APPENDIX DECLARATION OF CONFORMITY Ed. 04/2012...
  • Page 92 ACF60-00 – Installation, User’s and Maintenance Manual Ed. 04/2012...
  • Page 93 APPENDIX Ed. 04/2012...
  • Page 94 ACF60-00 – Installation, User’s and Maintenance Manual Ed. 04/2012...
  • Page 96 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 Mission Robur Spa advanced heating and cooling technologies Via Parigi 4/6 24040 Verdellino/Zingonia (Bg) Italy T +39 035 888111 F +39 035 4821334 www.robur.com...

This manual is also suitable for:

Ga acf60-00Ga acf60-00 tkGa acf60-00 htGa acf60-00 lbGa acf60-00 hr

Table of Contents

Save PDF