Riello 908T4 - Page 16

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20160576

Technical description of the burner

RX 250/PV GPL

RX 250/PV G25

Pressure outlet gas pilot - mbar

No. of motor turns/min.

Pressure outlet gas pilot - mbarPressure outlet gas pilot - mbar

No. of motor turns/min.

RX 250/PV G20

20160394

Fig. 8

Main Page

Table of Contents3
Declarations5
Information and General Warnings6
Information about the Instruction Manual6
Introduction6
General Dangers6
Other Symbols6
Delivery of the System and the Instruction Manual7
Guarantee and Responsibility7
Safety and Prevention8
Introduction8
Personnel Training8
Technical Description of the Burner9
Models Available9
Burner Categories - Countries of Destination9
Burner Equipment9
Technical Data10
Electrical Data10
Maximum Dimensions11
Burner Description12
Combustion Head12
Firing Rates (Version TC)13
Test Boiler13
Delivered Output (Version TC)14
Adjustment Pilot15
Burner Controls (LME7117
4.13.1 Indication of the Diagnostic Mode22
Installation23
Notes on Safety for the Installation23
Handling23
Preliminary Checks23
Operating Position24
Preparing the Boiler24
Boring the Boiler Plate24
Head Length24
Fixing of the Combustion Head, Electrodes Assembly and the Gas Valve (Version TC)25
Securing the Burner to the Boiler26
Fuel Supply27
Air/Gas Mixer27
Gas Train28
Electrical Wiring29
Supply Cables and External Connections Passage29
Opening Sequence of the Fuse-Holder30
Calibration and Operation31
Operator Panel with LCD AZL 2131
Operator Panel with LCD Display32
Visualisation and Programming Modes33
Operation33
Displaying the Operating Position34
Fault Messages, Display Errors and Information34
Info Level35
Displaying the Info Level35
Displaying the Info Values36
Identification Date36
Identification Number36
Burner Identification37
Number of Resettable Start-Ups37
Total Number of Start-Ups38
End of the Info Level38
Service Level39
Displaying the Service Values40
Parameters Level41
Entering the Password42
Backup43
Restore44
Parameter Modes of Operation46
Parameters Without Index, with Direct Display46
Parameters Without Index, Without Direct Display47
Parameters with Index, with or Without Direct Display49
Start-Up, Calibration and Operation of the Burner51
Notes on Safety for the First Start-Up51
Adjustments Prior to Ignition51
Fan Adjustment51
Pre-Setting of the Points P0 (Ignition), P1 (Minimum) and P2 (Maximum)51
Burner Start-Up52
First Burner Start-Up (Manual Operation)52
Checking the Modulating Operation (Automatic Operation)53
Combustion Head54
Burner Adjustment54
Indicative Calibration Values54
Emissions54
Switching off the Burner55
Load Controller Inputs55
Final Checks (with Burner Operating)55
Maintenance56
Notes on Safety for the Maintenance56
Maintenance Programme56
Maintenance Frequency56
Safety Test - with Gas Feeding Closed56
Checking and Cleaning56
Safety Components57
Opening and Closing the Burner57
Recommended Preventive Maintenance Programme58
Operation, Indications, Diagnostic59
Control Sequence in the Event of a Fault59
List of Error Codes with Operation Using AZL21 Display60
Resetting of Burner Control61
Diagnostics of the Cause of the Fault61
Before Starting with a New Program Module or When the Program Module Is Replaced62
Manual Reset63
Error During the Reset Process64
Reset64
List of Parameters PME71.90165
A Appendix - Accessories68
B Appendix - Electrical Panel Layout69

Riello 908T4 - Page 16

Table of Contents

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