Riello PRESS GW Installation, Use And Maintenance Instructions
Light oil burners, two stage operation
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Summary of Contents for Riello PRESS GW
- Page 1 Installation, use and maintenance instructions Light oil burners Two stage operation CODE MODEL 3473720 PRESS GW 3473784 PRESS GW 3474520 PRESS 1G 3474582 PRESS 1G 3474920 PRESS 2G 3474982 PRESS 2G 3475920 PRESS 3G 3475982 PRESS 3G 3476520 PRESS 4G...
- Page 2 Translation of the original instructions...
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Page 3: Table Of Contents
Contents Information and general warnings............................2 Information about the instruction manual ........................2 Guarantee and responsibility............................3 Safety and prevention................................4 Introduction.................................. 4 Personnel training ............................... 4 Technical description of the burner ............................5 Burner designation ..............................5 Models available................................5 Technical data ................................ -
Page 4: Information And General Warnings
Information and general warnings Information and general warnings Information about the instruction manual 1.1.1 Introduction WARNING: MOVING PARTS The instruction manual supplied with the burner: This symbol indicates that you must keep limbs is an integral and essential part of the product and must not away from moving mechanical parts;... -
Page 5: Guarantee And Responsibility
Information and general warnings 1.1.4 Delivery of the system and the instruction The system supplier must carefully inform the user about: – the use of the system; manual – any further tests that may be required before activating the When the system is delivered, it is important that: system;... -
Page 6: Safety And Prevention
Safety and prevention Safety and prevention Introduction The burners have been designed and built in compliance with the type and pressure of the fuel, the voltage and frequency of the current regulations and directives, applying the known technical electrical power supply, the minimum and maximum deliveries for safety rules and envisaging all the potential danger situations. -
Page 7: Technical Description Of The Burner
230/50/60 230V / 50-60Hz 110/50/60 110V / 50-60Hz PRESS 3/230-400/50 230/50/60 BASIC DESIGNATION EXTENDED DESIGNATION Models available Designazione Tensione Avviamento Codice PRESS GW 1/230/50 Direct 3473720 PRESS GW 1/220/60 Direct 3473784 PRESS 1G 3/230-400/50 Direct 3474520 PRESS 1G 3/220-380/60 Direct... -
Page 8: Technical Data
Technical description of the burner Technical data MODELLO PRESS GW PRESS 1G PRESS 2G PRESS 3G PRESS 4G Output 107/178 -356 130/190 -534 214/356 - 712 273/534 - 1186 415/830 - 1660 Delivery kg/h 9/15 - 30 11/16 - 45... -
Page 9: Overall Dimensions
(PRESS GW-1G-2G) ......No. 1 Screws to secure the burner flange to the boiler: - M10 x 25 (PRESS GW-1G-2G) ......... No. 4 - M12 x 40 (PRESS 3G-4G) ......... No. 4 Thermal flange gasket ..........No. 1 Manual ................. -
Page 10: Firing Rates
MAXIMUM OUTPUT: must be within the firing rate (Fig. 2). 1000 mbar (approx. 100m above sea level), with the combustion head adjusted as shown on page ATTENTION S10540 PRESS 4G PRESS 3G PRESS 2G PRESS 1G PRESS GW kg/h 1050 1150 1250 1350 1450 1550 1650 Burner output Fig. -
Page 11: Burner Description
5)(Fig. 4). Fairleads for wiring carried out by the installer Control box with lock-out pilot light and lock-out reset button Fan pressure test point 10 Pump (PRESS GW-1G-2G-3G) 11 Pump (PRESS 4G) 12 Fan 13 Electrical motor... -
Page 12: 3.10 Flame Control
To avoid accidents, material or environmental damage, observe the following instructions! The flame control is a safety device! Avoid ATTENTION opening or modifying it, or forcing its operation. Riello S.p.A. cannot assume any responsibility for damage resulting from unauthorised interventions! ... -
Page 13: Installation
Installation Installation Notes on safety for the installation After carefully cleaning all around the area where the burner is to The installation of the burner must be carried out be installed, and arranging for the environment to be illuminated by qualified personnel, as indicated in this manual correctly, proceed with the installation operations. -
Page 14: Operating Position
The position of the threaded holes can be marked using the D329 thermal insulation screen supplied with the burner. For the combustion head protrusion follow the indications provided by the boiler manufacturer. MODEL PRESS GW PRESS 1G PRESS 2G PRESS 3G PRESS 4G Fig. 8... -
Page 15: Securing The Burner To The Boiler
Installation Securing the burner to the boiler Provide an adequate lifting system. Be careful as some drops of fuel may leak out during this phase. Disassemble the blast tube 6) from the burner by proceeding as follows: remove the screws 2) from the two slide bars 3); ... -
Page 16: Nozzle Installation
The burner complies with the emission requirements of the EN 267 standard. In order to guarantee that emissions do not kg/h (1) vary, recommended and/or alternative nozzles specified by Riello in the Instruction and warning booklet should be used. 12 bar... -
Page 17: Nozzle Assembly
Installation 4.8.3 Ugelli alternativi NOTE: Nozzle Manufacturers discourage opening of the nozzle to The spray patterns in relation to the leading brands of nozzle on clean its internal parts and especially its calibrated hole. The sale are shown in Tab. H. filter, on the other hand, may be cleaned or replaced as re- The nozzle deliveries indicated in the Tab. -
Page 18: Light Oil Supply
Installation 4.11 Light oil supply Explosion danger due to fuel leaks in the presence of a flammable source. PRESS GW PRESS 1G PRESS 3G PRESS 4G PRESS 2G Precautions: avoid knocking, attrition, sparks and heat. Ø mm Ø mm Ø mm Ø... -
Page 19: The Loop Circuit
Installation Useful suggestions for both systems (A) and (B) Altitudine. L'altitudine ha un effetto determinante sulla potenza Use copper pipes whenever possible. di aspirazione della pompa. Ad altitudini superiori a 200 metri sul Any curves used in the system should be made with the wid- livello del mare, il dislivello, in metri, tra la pompa e la valvola di est possible radius. -
Page 20: Hydraulic Connections
Installation 4.11.5 Hydraulic connections PRESS GW -1G - 2G D341 Make sure that the hoses to the pump supply and return line are installed correctly. CAUTION The hydraulic circuit feeding system must be designed according to the indications provided in the paragraph “Light oil supply”... -
Page 21: Pump
Installation 4.12 Pump 4.12.1 Technical data PRESS GW PRESS 1G PRESS 3G PRESS 4G Burner PRESS 2G Pump AN67 AN77 Min. delivery rate at 12 bar pressure kg/h Delivery pressure range 10 - 18 10 - 18 10 - 21 10 - 21 Max. - Page 22 Installation PRESS GW: D376 PUMP AN67 SUNTEC AN67 Suction G 1/4” Return G 1/4” Pressure gauge connection G 1/8” Vacuometer connection G 1/8” Pressure adjustment screw: Right rotation Pressure increase Left rotation Pressure decrease Cylindrical thread Fig. 18 The connector to be screwed into the cylindrical thread G must be equipped with a sealing washer.
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Page 23: Electrical System
Electrical system Electrical system Electrical connections Notes on safety for the electrical wiring The electrical wiring must be carried out with the electrical supply disconnected. Electrical wiring must be made in accordance with the regulations currently in force in the country of destination and by qualified personnel. - Page 24 The fairleads and precut holes can be used in various ways. One example is given in Fig. 22. To ensure that the IP 40 protection classification is maintained, close all unused fairlead fitting holes. 20219981 PRESS GW PRESS 1-2-3-4 G Fig. 22 PRESS GW After carrying out maintenance, cleaning or...
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Page 25: Start-Up, Calibration And Operation Of The Burner
Start-up, calibration and operation of the burner Start-up, calibration and operation of the burner Notes on safety for the first start-up The first start-up of the burner must be carried out Check the correct working of the adjustment, by qualified personnel, as indicated in this manual command and safety devices. -
Page 26: Combustion Head Setting
Start-up, calibration and operation of the burner Combustion head setting The setting of the combustion head depends exclusively on the D2460 delivery of the burner in the 2nd stage - in other words, the com- bined delivery of the two nozzles selected on page 14. Set the screw 1)(Fig. -
Page 27: Air Damper Adjustment
The following require no adjustment operations and may remain as they are provided: – pump pressure; – setting of the fan's air gate valve for the 2nd stage. D338 Fig. 26 PRESS GW PRESS 1G PRESS 2G PRESS 3G PRESS 4G N° N° N°... -
Page 28: Burner Ignition
2nd stage nozzle pipe. This drop in fuel pressure can cause the lock-out of PRESS GW-1G-2G models, which is some- times accompanied by pulsations. Burner adjustment The burner ignition must generate a noise similar to that genera- ted during the operation. -
Page 29: Operation Sequence Of The Burner
The ignition transformer switches off. If the control device TR is closed or has been replaced by a jumper wire, the PRESS GW 2nd stage solenoid valve 11) is opened and the fuel en- ters the valve 12) and raises the piston which opens two passages: one to piping 13), filter 14), and the 2nd stage Fig. -
Page 30: Firing Failure
Start-up, calibration and operation of the burner 6.9.1 Steady state operation Systems not equipped with control device TR (which has been replaced by a jumper) System equipped with one control device TR. The burner is fired as described in the case above. If the Once the starting cycle has come to an end, the command of the temperature or pressure increase until control device TL opens, 2nd stage solenoid valve passes on to the control device TR that... -
Page 31: Visual Diagnostics
Start-up, calibration and operation of the burner 6.11.1 Resetting the flame control 6.11.2 Visual diagnostics To reset the flame control, proceed as follows: Indicates the type of burner malfunction causing lockout. – Hold the button down for between 1 and 3 seconds. To view diagnostics, proceed as follows: The burner restarts after a 2-second pause once the button –... -
Page 32: Maintenance
Maintenance Maintenance Notes on safety for the maintenance The periodic maintenance is essential for the good operation, Before carrying out any maintenance, cleaning or checking safety, yield and duration of the burner. operations: It allows you to reduce consumption and polluting emissions and to keep the product in a reliable state over time. -
Page 33: Safety Components
Maintenance Flame sensor D384 Clean the glass cover from any dust that may have accumulated. Filters Check the following filter boxes: - on line 1) - in the pump 2) - at the nozzle 3) (Fig. 30) Clean or replace if required. If rust or other impurities are observed inside the pump, use a se- parate pump to lift any water and other impurities that may have deposited on the bottom of the tank. -
Page 34: Opening The Burner
Maintenance Opening the burner D397 Disconnect the electrical supply from the burner by means of the system main switch. DANGER Close the fuel shut-off valve. DANGER Wait for the components in contact with heat sources to cool down completely. To open the burner, proceed as follows: ... -
Page 35: Faults - Possible Causes - Solutions
Faults - Possible causes - Solutions Faults - Possible causes - Solutions Find a list of faults, causes and possible solutions for a set of fail- In the event of a burner lockout, more than two ures that may occur and result in irregular burner operation or no consecutive burner reset operations could cause functioning at all. - Page 36 Faults - Possible causes - Solutions SIGNAL FAULT POSSIBLE CAUSE SOLUTION 4 pulses The burner starts Sensor flame short-circuit Replace sensor flame and then goes into Light is entering or flame is simulated Eliminate light or replace flame control lockout 7 pulses Flame detachment Poorly adjusted head...
- Page 37 Faults - Possible causes - Solutions SIGNAL FAULT POSSIBLE CAUSE SOLUTION 10 pulses Connection or internal fault Presence of electromagnetic disturbance Use the radio disturbance protection kit Tab. Q 20217103...
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Page 38: Appendix - Accessories
Appendix - Accessories Appendix - Accessories Soundproofing box kit Burner Type dB(A) Code PRESS GW - 1G C1/3 3010403 PRESS 2G - 3G PRESS 4G C4/5 3010404 Degassing unit kit Burner Filter Code PRESS GW PRESS 1-2G with filter 3010055 PRESS 3-4G (*) (*) For burner deliveries higher than 80 kg/h, install two parallel degassing units. -
Page 39: B Appendix - Electrical Panel Layout
Appendix - Electrical panel layout Appendix - Electrical panel layout PRESS GW 20220024 3 16 10 11 B 11 12 PRESS 1-2-3-4G 20220025 20217103... -
Page 40: Appendix - Electrical Panel Layout
Appendix - Electrical panel layout ELECTRICAL CONNECTION (SET BY THE INSTALLER) PRESS GW 20220293 PRESS 1-2-3-4G 20220294 Key to layout PRESS Capacitor Motor contactor Flame control Flame sensor Burner terminal board Fan motor Thermal relay Ignition transformer Burner earth 1st stage valve... - Page 44 RIELLO S.p.A. I-37045 Legnago (VR) Tel.: +39.0442.630111 http:// www.riello.it http:// www.riello.com Subject to modifications...
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