Installation, user and maintenance manual AY Condensing line, AY series 4 star condensation boiler for heating Gas powered
Revision: A Code: D-LBR531 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. 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.
Installation, user and maintenance manual – AY Condensing line, AY series INDEX OF CONTENTS 1 PREFACE �������������������������������������������������������������������������������������������������������� 5 2 OVERVIEW AND TECHNICAL CHARACTERISTICS ������������������������������������� 7 2.1 WARNINGS �����������������������������������������������������������������������������������������������������������������������������������������������7 2.
Installation, user and maintenance manual – AY Condensing line, AY series 1 PREFACE This "Installation, user and maintenance manual" is a guide to the installation and operation of the AY Condensing Line base-mounted gas boiler.
= START OF OPERATING PROCEDURE = REFERENCE to another part of the manual or other document 6
Installation, user and maintenance manual – AY Condensing line, AY series 2 OVERVIEW AND TECHNICAL CHARACTERISTICS In this section, for all users, you will find general warnings, the operating principle of the appliance and its manufacturing characteristics. This section also contains technical data and dimensional drawings of the appliance. 2.1 WARNINGS This manual constitutes an integral and essential part of the product and must be delivered to the user together with the appliance.
The electrical safety of the appliance is guaranteed only when it is correctly connected to an efficient grounding system, executed in accordance with current safety regulations.
Installation, user and maintenance manual – AY Condensing line, AY series Initial activation procedure The entire procedure for the first activation of the appliance must be carried out exclusively by an authorized Robur Technical Assistance Centre (TAC) and according to the instructions supplied by the manufacturer. To carry out entire procedure correctly, follow the instructions in Paragraph 6.1 PROCEDURE FOR INITIAL ACTIVATION → 63. Contact your local Robur TAC.
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” is handed over to the new owner and installation technician. 2.2 OVERVIEW OF OPERATION The appliance powered by 230 V 1N 50 Hz electrical power - . During operation, combustion products are exhausted via the discharge terminal, with vertical outlet, at the top of the appliance.
Installation, user and maintenance manual – AY Condensing line, AY series The appliance is a Range Rated boiler: the power delivery of the appliance can be adapted to the real system requirements by regulating the nominal gas flow (nominal thermal input). The appliance, which can produce hot water up to 80°C, is suited to installation in all hot water production systems for heating, sanitary use (ACS), process needs, air handlers, etc.
Hot water return temperature Hot water flow rate Hot water pressure drop Ambient air temperature (dry bulb) gas consumption THERMAL EFFICIENCIES Efficiency at MEAN thermal capacity Tm80/Tr60 Efficiency at MIN thermal capacity Tm80/Tr60 Efficiency at nominal thermal capacity Tm50/Tr30 Efficiency at 30% of nominal thermal capacity Tr=30°C Efficiency at 30% of nominal thermal capacity Tr=47°C ELECTRICAL SPECIFICATIONS Power supply Electrical power absorption Degree of protection INSTALLATION DATA Minimum sto
Installation, user and maintenance manual – AY Condensing line, AY series Table 2.2 – SERIE AY SERIE AY Water T. 20°C Pressure drops (bar) 0.066 0.085 0.106 0.136 0.165 0.204 0.234 0.269 0.312 0.353 0.406 0.469 Water flow (l/h) 1008.0 1198.0 1398.0 1608.0 1801.0 2007.0 2199.0 2400.0 2601.0 2797.0 3000.0 3201.0 Pressure drops (bar) Graphic 2.
2.5 DIMENSIONS AND SERVICE PANEL Figure 2.2 – Dimensional drawing of model AY00-120 LEGEND Series AY model AY00-120 AY00-120 - front and RH side views (dimensions in mm).
Installation, user and maintenance manual – AY Condensing line, AY series Figure 2.3 – SERVICE PANEL: Series AY - AY Condensing line LEGEND G gas fitting ("G 3/4 M) A outlet water fitting ("G 1 1/4 F) B inlet water fitting ("G 1 1/4 F) C condensate drain fitting (ext. dia. 25 mm) Series AY - service plate (dimensions in mm).
Installation, user and maintenance manual – AY Condensing line, AY series 3 NORMAL OPERATION In this section you will find all the indications necessary for the activation, regulation and control of operation of the appliance via the controller present in the electrical panel. 3.
The controller (see Figure 3.1 On-board electronics → 19) is located inside the electrical panel of the appliance and the display may be viewed through the viewing hole on the front panel of the unit itself. The Machine Codes generated by the DDC may only be viewed on the display of the DDC and may be cleared only through the DDC.
Installation, user and maintenance manual – AY Condensing line, AY series Figure 3.1 – On-board electronics LEGEND A 4 digit display for data and operating codes. B Knob for scrolling through/ selecting operating data Controllers AY10 and S70. Description of menu of AY10 controller The parameters and settings of the appliance are grouped in the menus shown on the controller’s display: Table 3.
To perform these procedures, see Paragraph 3.3 RESET OPERATIONS → 21. Menu 3 is a Settings Menu: it allows the values displayed to be set. The correct values of these parameters, for optimum performance of the appliance with the plant to be used connected, have already been set during installation. To set new values for the parameters, see Paragraph 4.9 PROGRAMMING OF HYDRAULIC PARAMETERS → 38.
Installation, user and maintenance manual – AY Condensing line, AY series the display will show the first of the menu’s parameters, in this example "0.0" or "0.40" (= menu 0, parameter "0" or "40"). 7. In the same way: turn the knob to scroll through content (menus, parameters, actions), press the knob to select/confirm the content (access a menu, display/ set a parameter, execute an action, quit or return to the previous level). For example, to quit the menus, turn the knob to scroll through menus "0.
3. P ress the knob to access menu 2: the display shows the first of its actions "2.0" or "2.20" (= menu 2, action "0" or "20"). Turn the knob to scroll through the other actions." The user must now only run the action relating to the command indicated in the operating code description in TABLE 8.1 TABLE OF OPERATING CODES generated by the controller (firmware version 3.100) → 77. Two commands are available: “reset flame controller" (action "20") or "reset other codes" (action "21").
Installation, user and maintenance manual – AY Condensing line, AY series The user modifiable parameters (only if the appliance is not controlled by a DDC) are those in menu 3 of the controller, as follows: • parameter "160": thermostat control. • parameter "161": setpoint. • parameter "162": differential. These are hydraulic parameters and expert knowledge is required to set them. To modify these parameters, refer to Paragraph 4.9 PROGRAMMING OF HYDRAULIC PARAMETERS → 38.
Connecting the appliance before it is used again (to be carried out by the installation technician) Before starting this procedure, the hydraulic system installation technician must: • Ascertain whether the appliance requires any maintenance (contact your authorised Robur Technical Assistance Centre or refer to Paragraph 6.2 MAINTENANCE → 68); • fill the system circuit if it has been emptied, as given in Paragraph 4.
Installation, user and maintenance manual – AY Condensing line, AY series 4 HYDRAULIC SYSTEM INSTALLATION TECHNICIAN In this section you will find all the instructions necessary for installing the appliance from a hydraulic viewpoint. Before proceeding with operations to create the hydraulic and gas supply plant of the appliance, the professionally qualified personnel concerned are advised to read Paragraph 2.
The dimensions and weight of the appliance are given in Paragraph 2.4 TECHNICAL DATA → 11. Supporting base Always position the appliance on a flat level surface that is made of fireproof material and able to sustain the weight of the appliance itself. • Installation at ground level If a horizontal base is not available (see also "Supports and levelling"), it is necessary to create a flat level base in concrete at least 100-150 mm larger than the dimensions of the base of the appliance on each side.
Installation, user and maintenance manual – AY Condensing line, AY series Figure 4.1 – Clearances LEGEND * dimensions in mm. sample minimum clearances. 4.3 HYDRAULIC CONNECTIONS General indications • The hydraulic plant may be created using pipes in stainless steel, black steel, copper or crosslinked polyethylene suitable for heating and cooling plants.
By the nature of its operating characteristics, the appliance does not strictly require the installation of an inertial tank on the hydraulic plant. The use of an inertial tank is, however, recommended in order to compensate for sudden variations in load, in particular when the plant has a water content of less than 70 litres per appliance. • ACCCUMULATOR BOILER (OPTIONAL) for hot sanitary water (ACS): The appliance does not itself produce hot water for sanitary (domestic) applications).
Installation, user and maintenance manual – AY Condensing line, AY series If the appliances are controlled by a DDC. If the DDC manages a 2 pipe type plant (only hot, or only cold), or a 4 pipe type plant (hot and cold), the appliance module is ALWAYS “active”. If the DDC is controlling a 2 pipe hot/cold system, the active module is the one set as such on the DDC.
Figure 4.3 – Diagram of hydraulic system (type with several appliances) LEGEND 1 anti-vibration coupling 2 pressure gauge 3 flow regulator valve 4 water filter 5 check valve 6 system expansion tank 7 system water circulator 8 DDC 9 AY00-120 stand-alone Example of hydraulic plant diagram for connection of no. 2 AY00-120 units. 4.4 GAS SUPPLY SYSTEM The installation of gas supply pipes must be carried out in compliance with norms and other current regulations.
Installation, user and maintenance manual – AY Condensing line, AY series LPG systems must be equipped with a first stage pressure reducer near the liquid gas tank to reduce the pressure to 1.5 bar and a second stage pressure reducer from 1.5 to 0.03 bar near the appliance. LPG may cause corrosion. The connectors between the pipes must be made of a material that is resistant to this corrosive action.
5. restore the appliance. If the appliance is operated with the siphon empty, there is a risk of leaks of combusted gas. 4.6 FILLING THE SYSTEM CIRCUIT (APPLIANCE) After having completed all the connections of the hydraulic, electrical and gas supply plants, the hydraulic system installation technician can proceed with filling the hydraulic circuit, observing the following stages: • Activate the automatic air vent valves on the system circuit.
Installation, user and maintenance manual – AY Condensing line, AY series Nevertheless, it is advisable to consult the technical specifications of the monoethylene glycol used. If automatic loading systems are used, a seasonal check of the quantity of glycol present in the plant is also necessary. Table 4.
turning it counterclockwise and bleed the circuit. Once the circuit has stopped gurgling, close the cock and remove the hose. During manual bleeding, any liquid which has been bled out of the circuit must be replaced with the charging pump. Make sure that the circuit pressure is 1-2 bar on completion of the following procedure. 1. S top the circuit operating, close the charging cock with a flathead screwdriver and close the automatic bleed valve on the circuit. 2.
Installation, user and maintenance manual – AY Condensing line, AY series Figure 4.5 – AY Condensing line, AY series LEGEND * seen from above Fumes outlet fitting dimensions. FUMES EXHAUST EQUIPMENT FOR EXTERNAL INSTALLATION (installation technician only) Install the equipment externally as follows (see Figure 4.6 Fumes evacuation pipe kit → 36). You will need: the appliance in its permanent location. Necessary equipment and materials. 1.
Figure 4.6 – Fumes evacuation pipe kit LEGEND A roof mounting terminal (DN80) B extension tube (DN80) C rain cover (DN80) D flanged fitting (DN80) on top panel A+B+C fumes evacuation pipe kit fumes kit for exterior configuration (B53P). SIZING FUMES PIPES FOR TYPE B INSTALLATIONS If the installation requires the combustion products to be conveyed in a type B configuration, the flue must be sized with reference to the following table. Table 4.
Installation, user and maintenance manual – AY Condensing line, AY series To install the appliance in a type C configuration, you must purchase an optional type C conversion kit (see Section 7 ACCESSORIES → 75), made by Centrotherm, and refer to the following technical data table for the sizing of the combustion fumes outlet and combustion air intake pipes. Table 4.
C83 Type C boiler connected, via its pipes, and optionally via a fitting, to an air supply terminal and connected to a dedicated or collective flue. Description of possible appliance installation configurations. 4.9 PROGRAMMING OF HYDRAULIC PARAMETERS The hydraulic parameters can be set according to the procedure described in this paragraph only when the appliance is not connected to a DDC. If the appliance is connected to a DDC, follow the instructions given in the DDC manuals exclusively.
Installation, user and maintenance manual – AY Condensing line, AY series 3. The appliance switches off; 4. the system water temperature slowly drops (loses heat to the environment); 5. the intake water temperature reaches +38 °C (= setpoint + differential); 6. the appliance turns back on: heating starts again. The cycle is repeated. The following instructions give a detailed description of how to configure the hydraulic parameters in menu 3 (or menu 4) on the machine’s controller.
To modify a parameter in menu 4, to access the menu (installation technician only) you are first prompted for a password. For the password, contact the Robur TAC or Technical Service Department of Robur S.p.A. (Tel. +39.035.888111). The special key allows the knob of the electronic board to be operated without opening the cover of the electrical panel, so that operators are protected from live components.
Installation, user and maintenance manual – AY Condensing line, AY series 5 ELECTRICAL SYSTEM INSTALLATION TECHNICIAN In this section you will find all the instructions necessary for connecting the appliance and DDC from an electrical viewpoint. The procedures to follow in order to complete the entire process of electrical installation of the appliance are the following: 1. CONNECTING THE APPLIANCE TO THE MAINS. 2. ELECTRICAL CONNECTIONS FOR THE SYSTEM CIRCULATOR. 3.
Table 5.
LEGEND SCH controllers (AY10/S70) TA ambient temperature probe THPC delivery water temperature probe (machine internal circuit) THMC outlet water temperature probe (system circuit) THRC inlet water temperature probe (system circuit) TH combustion unit limit thermostat (machine internal circuit) TF fumes thermostat PD2 differential water pressure switch (machine internal circuit) PD1 differential water pressure switch (system circuit) TL water limit thermostat P1 water circulator (ma
5.1 CONNECTING THE APPLIANCE TO THE MAINS The examples of connection of the appliance to the mains in this paragraph refer to: • single appliance plants • multiple appliance plants SINGLE APPLIANCE PLANTS The appliance must be connected to a 230 V 1N - 50 Hz power supply, as follows (see example in Figure 5.3 connection to electrical mains (230 V 1N - 50 Hz) → 44): You will need: the appliance connected hydraulically; external electrical panel configured by the installation technician.
Installation, user and maintenance manual – AY Condensing line, AY series Make sure the ground cable is longer than the live cables. In this way it will be the last wire to be pulled away if the mains cable should accidentally be pulled, and will thus guarantee the ground connection. Do not use gas pipes to ground electrical appliances. A wiring error, as well as impeding the correct operation of the appliance, could also damage the electrical apparatus that it contains.
Disconnect the appliance from the electrical power supply via the external disconnecting switch only after having performed the shutdown cycle (via the DDC or consent switch) and having waited for it to terminate (approximately 3 minutes). Make sure the ground cable is longer than the live cables. In this way it will be the last wire to be pulled away if the mains cable should accidentally be pulled, and will thus guarantee the ground connection. Do not use gas pipes to ground electrical appliances.
Installation, user and maintenance manual – AY Condensing line, AY series 1. L ocate, on the appliance’s controller (SCH), jumper "J2" on the S70 (bottom right, below the "NO Contact" contacts) and make sure that it is set as shown in detail "A" (jumper closed) of the figure. 2. On completion, restore the appliance to its fully assembled condition. Figure 5.
CONNECTIONS FOR CONTROLLING A SHARED CIRCULATOR This connection applies to hydraulic circuits which have a single primary circuit circulator for multiple appliance (shared circulator) installed on the plant. For example: 1 circulator/3 appliances. In such cases, a three-phase water circulator (400 V AC) may be required. The choice of water circulator depends on the number of appliances being served as the specifications of the system (water flow rate, head, etc.
LEGEND SCH controller (AY10+S70) NO contact system water circulator control terminals (voltage free NO contact, maximum power absorption 700 W) J2 system water circulator control jumper A detail of "open" jumper MC 230 V AC power terminal block.
> IF THE WATER CIRCULATOR CONTROL IS NOT TO BE HANDLED BY THE APPLIANCE BUT RATHER BY AN EXTERNAL DEVICE: • the electrical system installation technician must make the electrical connection in such a way that, after the appliance is switched off, the circulator remains in operation for at least another 3 minutes. The electrical parts required for the connection (relay, fuses, motor thermal switches, power switches, etc.) must be installed inside the external panel provided by the technician.
Installation, user and maintenance manual – AY Condensing line, AY series Figure 5.7 – Series AY - operated by on-off consent switch LEGEND SCH controller (AY10+S70) W HOT consent terminal R common terminal CS consent switch Example of operation consent connection. 5.4 USE OF THE DIRECT DIGITAL CONTROLLER This paragraph is dedicated to the installation of the Direct Digital Controller (DDC). It gives full information on the installation and connection of the device to the appliances.
Figure 5.8 – Direct Digital Control (DDC) LEGEND STA ambient temperature probe - 2-pole connector SAE external alarm systems - 3-pole connector AL power supply 24 V AC - 4-pole connector CE external consents - 6-pole connector P8 CAN BUS network connector (orange) SPC 232 serial connection to PC - 9-pole connector A mounting holes DDC Front and rear views with detail of electrical connections.
Installation, user and maintenance manual – AY Condensing line, AY series Figure 5.9 LEGEND Holes for mounting DDC’s to panel horizontal: 168 mm vertical: 158 mm Centre distances of mounting holes for Direct Digital Controller (DDC). The DDC's operating temperature range is 0 - 50 °C. If the temperature of the room where the DDC is installed falls below zero, it continues to operate correctly to -10 °C. However, its LCD display may not be able to display data.
Figure 5.
Installation, user and maintenance manual – AY Condensing line, AY series The CAN network can link together a maximum of: 3 DDC's, each of which is in turn connected to 16 hot only modules + 16 cold only modules or 16 hot/cold modules. Figure 5.
The ROBUR NETBUS cable is available as an accessory (see Section 7 ACCESSORIES → 75). > CONNECTION PROCEDURE Instructions for the specific operations to be carried out for the connection of the CAN bus cable follow: • Step A: connect the CAN BUS cable to the DDC. • Phase B: connect the CAN BUS cable to the appliance. The two steps must done in both cases illustrated in Figure 5.17 CAN BUS connection for single appliance systems → 61 (wiring diagram for 1 DDC connected to a single appliance) and Figure 5.
Installation, user and maintenance manual – AY Condensing line, AY series Figure 5.13 – Connection from CAN BUS to connector P8 LEGEND A Insulating tape to protect board/shield B CAN BUS cable wires C CAN bus cable shield D terminal and screw for fixing Connection detail of cable CAN BUS. To connect a CAN BUS cable to a DDC, proceed as follows (references in Figure 5.14 detail wires and jumpers J21 - terminal/intermediate node DDC → 58): You will need: DDC not powered up.
Figure 5.14 – detail wires and jumpers J21 - terminal/intermediate node DDC LEGEND DDC Direct Digital Control J21 Jumper CAN-BUS in DDC board A detail case "terminal node" (3 wires; J21=jumper "closed") B detail case "intermediate node" (6 wires; J21=jumper "open") H,L,GND data signal wires Detail terminal and intermediate node: jumpers position J21: "closed" - "open". 1. P repare the orange connector (remove from envelope). 2.
Installation, user and maintenance manual – AY Condensing line, AY series Phase B: connect the CAN BUS cable to the appliance The CAN BUS cable must be connected to the orange socket on the machine’s on-board controller (see detail "D" in Figure 5.15 Connection of CAN BUS cable to connector P8 on controller AY10 → 59). Figure 5.
7. C onnect the three coloured wires to the orange connector, as shown in detail "A" in Figure 5.16 detail of wires and jumpers J1 - appliance terminal/intermediate node → 60. Observe the terminal markings L, H, GND (on the board at the base of the socket "P8") which are given both in Table 5.2 CAN BUS cables type → 55, and in Figure 5.
Installation, user and maintenance manual – AY Condensing line, AY series Figure 5.17 – CAN BUS connection for single appliance systems LEGEND DDC digital control panel SCH controller (AY10+S70) J1 CAN BUS jumper on AY10 controller J21 CAN BUS jumper on DDC board A terminal node connection (3 wires; J1 and J21 = "closed") H,L,GND data signal wires CAN BUS cable connection between DDC and one appliance.
LEGEND DDC digital control panel SCH controller (AY10+S70) J1 CAN BUS jumper on AY10 controller J21 CAN BUS jumper on DDC board A terminal node connection (3 wires; J1 and J21 = "closed") B intermediate node connection (6 wires; J1="open") H,L,Gnd data signal wires Figure 5.18 – CAN BUS connection for multiple appliance systems CAN BUS cable connection between 1 DDC and multiple appliances.
Installation, user and maintenance manual – AY Condensing line, AY series 6 INITIAL ACTIVATION AND MAINTENANCE In this section you will find the following information: • Indications required by the authorized Robur Technical Assistance Centre (TAC) in order to carry out the entire procedure of first start-up of the appliance (see Paragraph 6.1 PROCEDURE FOR INITIAL ACTIVATION → 63); • Indications regarding maintenance operations of the appliance (Paragraph 6.
If any non-compliant elements arise during the initial verification, the TAC may choose not to proceed with the operation of "initial activation". In this case, the Robur TAC technician must: • Advise the user/installation technician of any installation anomaly. • Inform the user/installation technician of any situation that is deemed to be hazardous for the appliance and for people. • Inform of any missing documentation relative to the plant.
Installation, user and maintenance manual – AY Condensing line, AY series The appliance is supplied with all of its units already regulated for the type of gas for which the appliance itself is set up. In this step, the combustion parameters must ALWAYS be checked and set. The type of gas for which the appliance is set is given on the sticker on the internal panel and on the appliance's original packaging. To check and set the combustion parameters, proceed as follows, with reference to Figures 6.
15. W ith reference to Table 6.1 Gas type identification values → 67 and the fumes analyser reading, check that the CO2 content percentage of the combustion products is within ±0,2 of the characteristic value for the gas being used. 16. If the value is in the correct range, go to step "17". Otherwise, remove the side panel (N) and follow the instructions given in steps "25" and "26", including the note, in the procedure given in Paragraph 6.3 CHANGE OF GAS TYPE → 70. 17.
Installation, user and maintenance manual – AY Condensing line, AY series Figure 6.2 – Gas valve LEGEND A Cap B Torx wrench TX40 C CO2 adjuster screw D Mains gas pressure fitting Gas valve Honeywell VK 4115V Table 6.1 – Gas type identification values TYPE OF GAS Code stamped on nozzle Nozzle diameter Parameter value "45" CO2 content Delta CO2 between Max and Min potential G20 GPL G30 G31 176 177 177 177 6.20 4.45 4.45 4.45 0 1 1 0 9,4% 11.4% 12,4 10.
3. P ress the knob again to execute the forcing. The request stops flashing, and the display shows “2.23” again. The forcing operation has been performed. 4. To exit the menu, turn the knob clockwise until “2.E” displays, and press it to return to the menu selection: "2.". 5. To exit the menu selection, turn the knob clockwise until “E” displays, and press it to exit. • FORCING TO MAXIMUM POWER (ACTION "24"): You will need: the display showing “2.
Installation, user and maintenance manual – AY Condensing line, AY series Before carrying out any operation on the appliance, switch it off via the appropriate on/off command (or via the DDC, if connected and in controller mode) and wait for the shutdown cycle to terminate. When the appliance is off, disconnect it from the gas and electricity mains, bearing in mind the antifreeze settings, via the external circuit breaker (GS) and the gas valve.
If it should become necessary to add water to the plant and, if required, to the water in the plant (free of impurities) glycol antifreeze of the inhibited monoethylene type, for the correct execution of these procedures, proceed as described in Paragraph 4.6 FILLING THE SYSTEM CIRCUIT (APPLIANCE) → 32. 6.3 CHANGE OF GAS TYPE The following procedure must be done by a Robur TAC or professionally qualified technician.
Installation, user and maintenance manual – AY Condensing line, AY series - CHECK THE VALUE OF PARAMETER "45". 8. Turn on the master power switch (GS). 9. Enter menu 1 (accessible to everyone) and check the setting of parameter "45". 10. If the value does not coincide with the value specified for the type of gas with which the appliance is to be operated (see Table 6.1 Gas type identification values → 67), enter menu 4 and set parameter "45" to the correct value (see Table 6.
21. F it a combustion products probe in one of the points provided fro this purpose on the external fumes equipment. 22. Switch the appliance on and wait for it to stabilise (3 minutes). 23. With reference to Table 6.1 Gas type identification values → 67 and the fumes analyser reading, check that the CO2 content percentage of the combustion products is within ±0,2 of the characteristic value for the gas being used. 24.
Installation, user and maintenance manual – AY Condensing line, AY series 37. Switch off and completely restore the appliance. Figure 6.3 – Gas type conversion LEGEND A tube/valve connection nut B tube/air-gas mixer connection nut C gas valve D gas nozzle E gasket (large) on tube/valve fitting F gasket (small) on tube/air-gas mixer fitting G air-gas mixer Details of gas changeover procedure.
Installation, user and maintenance manual – AY Condensing line, AY series 7 ACCESSORIES This section contains a list of the accessories that are available for the installation and use of the appliance. To order these accessories, contact Robur S.p.A. on +39.035.888111. Table 7.1 – AVAILABLE ACCESSORIES ACCESSORIES FOR INSTALLATION TECHNICIAN Name Description Kit of 4 non-adjustable ANTIVIBRATION MOUNT anti-vibration feet for kit FOR BASE installation on the beams of the base.
Robur “NETBUS” CAN BUS CABLE Cable for data communication networks: for network connection between DDC and appliance. List of appliance accessories. 76 O-CVO008 Maximum length: 450 m (for details, see the electrical connections section).
Installation, user and maintenance manual – AY Condensing line, AY series 8 APPENDIX 8.1 MACHINE OPERATING CODES If, during the operation of the appliance, the display of the controller of the appliance (or also of the display of the Direct Digital Controller, if connected) signals an operating code, it is necessary to: • make a note of the indications shown on the display; • consult the (specific) list of machine operating codes.
u 102 E 102 E 103 E 105 E 106 u 107 FUMES THERMOSTAT OR INTERNAL EXCHANGER THERMOSTAT HEATING CONTROLLER NOT PRESENT E 112 ARREST OF FLAME CONTROL UNIT E 128 u 129 The auxiliary controller (S70) is not present. The burner does not light. Flame controller arrested failure to ignite burner: all possible attempts to ignite the burner have failed.
Installation, user and maintenance manual – AY Condensing line, AY series E 129 E 135 E 136 u 175 E 175 E 176 E 177 u 178 GAS SOLENOID VALVE WITHOUT ELECTRICAL POWER DELIVERY WATER TEMPERATURE PROBE FAULT (MACHINE CIRCUIT) MODULATING BLOWER FAULT SYSTEM CIRCUIT WATER PRESSURE SWITCH Insufficient water flow SYSTEM CIRCUIT WATER PRESSURE SWITCH Insufficient water flow OUTPUT WATER (SYSTEM) TEMPERATURE PROBE FAULT INPUT WATER (SYSTEM) TEMPERATURE PROBE FAULT DELIVERY WATER TEMPERATURE (MACHINE CIRCUIT)
E 81; E 82 "BANK 1" AND "BANK 2" PARAMETERS: INVALID E 84 FAULTY TRANSFORMER CONNECTION OR 24 V AC FUSES E 85 INCORRECT MODULE TYPES (from menu 6) Bank 1 data invalid - Bank 2 data invalid: the program has failed to copy the data from Contact authorised Robur TAC. the correct page to the other page. fuses and 24-0-24 V AC electrical Damage to one of the 2 24-0- Check power connections on the controller.
Installation, user and maintenance manual – AY Condensing line, AY series 81
La Mission Robur Robur Spa tecnologie avanzate per la climatizzazione Via Parigi 4/6 24040 Verdellino/Zingonia (Bg) Italy T +39 035 888111 F +39 035 884165 www.robur.it robur@robur.it Code: D-LBR531 Revision: A 08 MED SDC 017 10/12/2008 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.
