Table Of Contents; Fuel Oil / Gas - Riello RLS 28 Installation, Use And Maintenance Manual

CONTENTS
FUEL OIL / GAS
Technical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 3
Burner models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Burner description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Packaging - Weight. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Max. dimensions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Standard equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Firing rates . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Minimum furnace dimensions. . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Boiler plate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Blast tube length . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Securing the burner to the boiler . . . . . . . . . . . . . . . . . . . . . . . . . 6
FUEL OIL
Choice of nozzles for 1st and 2nd stage . . . . . . . . . . . . . . . . . . . 6
Nozzle assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Adjustments before first firing. . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

FUEL OIL / GAS

Servomotor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
FUEL OIL
Pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Fuel supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Hydraulic connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Pump priming . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Burner calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
GAS
Gas pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Gas piping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Adjustments before first firing. . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Burner starting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Burner firing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Burner calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
FUEL OIL / GAS
Maintenance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Hydraulic system layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
ELECTRICAL
Factory wiring diagram - RLS 28-38 with burner mounted LFL . 18
Factory wiring diagram - RLS 50 with burner mounted LFL. . . . 19
Field wiring diagram - RLS 28-38-50 with burner mounted LFL 20
Factory wiring diagram - RLS 28-38-50 with remote panel . . . . 21
Appendix - Burner firing rates according to air density. . . . . . . . 22
Flame signal measurement . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Siemens LFL control sequence of operations . . . . . . . . . . . . . . 23
Siemens LFL control troubleshooting guide . . . . . . . . . . . . . . . 24
Burner start up report. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
WARNING
If you smell gas:
• Do not touch any electrical items.
• Open all windows.
• Close all gas supply valves.
• Contact your local gas authority immediately.
Do not store flammable or hazardous materials in the vicinity
of fuel burning appliances.
Improper installation, adjustment, alteration, service or main-
tenance can cause property damage, personal injury or
death. Refer to this manual for instructional or additional in-
formation. Consult a certified installer, service representative
or the gas supplier for further assistance.
Burner shall be installed in accordance with manufacturers
requirements as outlined in this manual, local codes and au-
thorities having juristiction.
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