Riello 20032946 - User Manual

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20033283 (2) - 10/2016

Installation, use and maintenance instructions

Dual fuel gas oil/ gas burners

Two stage operation

CODE MODEL TYPE

20032946 RLS 28 684T1

20032981 RLS 38 685T1

20032988 RLS 50 686T1

Main Page

Table of Contents3
Declaration5
Information and General Warnings6
Information about the Instruction Manual6
Introduction6
General Dangers6
Danger: Live Components6
Guarantee and Responsibility7
Guidance for the Use of Bio Fuel Blends up to 107
Information and General Instructions8
Product Disclaimer Statement8
Safety and Prevention9
Introduction9
Safety Warnings9
Basic Safety Rules9
Personnel Training9
Technical Description of the Burner10
Burner Designation10
Models Available10
Technical Data11
Countries of Destination - Burner Categories11
Packaging - Weight12
Overall Dimensions12
Firing Rates13
Test Boiler13
Commercial Boilers13
Burner Description14
Standard Equipment14
Installation15
Notes on Safety for the Installation15
Handling15
Preliminary Checks15
Installer/Servicer Notes for the Use of Gas Oil with Bio Blends up to 1016
Operating Position16
Boiler Plate16
Blast Tube Length17
Securing the Burner to the Boiler17
Combustion Head Calibration17
Nozzle Installation18
Choice of Nozzles for 1St and 2Nd Stage18
Nozzle Assembly18
Servomotor19
Gas Oil Supply20
5.11.1 Double-Pipe Circuit20
5.11.2 Single-Pipe Circuit21
Hydraulic System Layout21
Hydraulic Connections22
Pump22
5.14.1 Technical Data22
5.14.2 Pump Priming22
Gas Supply23
5.15.1 Gas Line23
5.15.2 Gas Train24
5.15.3 Gas Pressure24
Electrical System26
Notes on Safety for the Electrical Wiring26
Electrical Connections26
Calibration of Thermal Relay27
Current to the UV Photocell27
Start-Up, Calibration and Operation of the Burner28
Notes on Safety for the First Start-Up28
Adjustment before First Firing (Gas Oil Operation)28
Combustion Head Setting28
Pump Adjustment28
Fan Gate Adjustment28
Burner Calibration (Gas Oil Operation)28
Firing28
Operation28
Adjustment before First Firing (Gas Operation)29
Burner Starting (Gas Operation)30
Burner Firing (Gas Operation)30
Burner Calibration (Gas Operation)30
2Nd Stage Output30
1St Stage Output30
Firing Output30
Air Pressure Switch - CO Check31
Minimum Gas Pressure Switch31
Combustion Checks31
Burner Operation32
Burner Flame Goes out During Operation32
Led Panel32
LPG - Propane - Butane Operation33
Maintenance34
Notes on Safety for the Maintenance34
Maintenance Programme34
Maintenance Frequency34
Checking and Cleaning34
Opening the Burner36
Closing the Burner36
Faults - Possible Causes - Solutions37
A Appendix - Accessories (Optional)41
B Appendix - Electrical Panel Layout42

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Riello 20032946 Specifications

General

Brand	Riello
Model	20032946
Category	Burner
Language	English

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