Table Of Contents; Information About The Instruction Manual; Introduction - Riello GAS 9/2 Installation, Use And Maintenance Instructions

Forced draught gas burners
Table of Contents

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CONTENTS
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
GUARANTEE AND RESPONSIBILITY . . . . . . . . . . . . . . . . . . . . . . . . 2
SAFETY AND PREVENTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
PERSONNEL TRAINING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
TECHNICAL DATA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
ELECTRICAL DATA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Burner description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Packaging - Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Max. dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Standard equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Firing rates. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Commercial boiler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Test boilers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Gas pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
INSTALLATION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Boiler plate. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Blast tube length . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Securing the burner to the boiler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Setting the combustion head . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Gas line . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Electrical system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Adjustments before firing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Servomotor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Burner starting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Burner firing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Burner calibration: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
1 - Firing output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
2 - 1st stage output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
3 - 2nd stage burner output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
4 - Air pressure switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
5 - Maximum gas pressure switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
6 - Minimum gas pressure switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Flame present check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Burner operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Final checks. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Fault - Probable cause - Suggested remedy . . . . . . . . . . . . . . . . . . . . 20
Burner start-up cycle diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Operating fault diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
N.B.
Figures mentioned in the text are identified as follows:
1)(A)
= part 1 of figure A, same page as text;
1)(A)p.6 = part 1 of figure A, page number 6.

INFORMATION ABOUT THE INSTRUCTION MANUAL

INTRODUCTION

The instruction manual supplied with the burner:
-
is an integral and essential part of the product and must not be sepa-
rated from it; it must therefore be kept carefully for any necessary
consultation and must accompany the burner even if it is transferred
to another owner or user, or to another system. If the manual is lost or
damaged, another copy must be requested from the Technical Assis-
tance Service Riello of the area;
-
is designed for use by qualified personnel;
-
offers important indications and instructions relating to the installation
safety, start-up, use and maintenance of the burner.
DELIVERY OF THE SYSTEM AND THE INSTRUCTION MAN-
UAL
When the system is delivered, it is important that:
-
The instruction manual is supplied to the user by the system manu-
facturer, with the recommendation to keep it in the room where the
heat generator is to be installed.
-
The instruction manual shows:
-
the serial number of the burner;
........................................................................................
-
the address and telephone number of the nearest Assistance
Centre;
........................................................................................
........................................................................................
........................................................................................
-
The system supplier carefully informs the user about:
-
the use of the system,
-
any further tests that may be necessary before the system is
started up,
-
maintenance and the need to have the system checked at least
once a year by the manufacturer or another specialised techni-
cian.
To ensure a periodic check, Riello recommends the drawing up of
a Maintenance Contract.
1

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