Riello GI/EMME 300 Manuel D'entretien page 20

ELECTRICAL CONNECTIONS TO TERMINAL STRIP
WITH VALVE PROVING SYSTEM DUNGS VPS
WITHOUT VALVE PROVING SYSTEM
Key to layouts
MB Burner terminal strip
IN Manual burner stop switch
PG Minimum gas pressure switch
S Remote lock-out signal
S1 VPS lock-out signal
TL Limit load control system
TR High-low mode load control system: controls 1st and 2nd operating stage
TS Safety load control system
VPS Valve proving system
V1 1st stage gas shut off valve
V2 2nd stage gas shut off valve
VS Gas safety valve
Notes
• Leads minimal section: 1,5 mm
• To verify the lock-out obscure the U.V. detector.
• For continuos-operation, safety standards require a compulsory stop every 24 hours, controlled by a special moni-
tored switch connected in series with the load control devices (TL and IN).
• The flame modulation is obtainable trought the 2nd stage remote control system TR, connected to the terminals 6 - 7.
(as set up by the installer)
2
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20
D1957
D1958