Electrical Wiring Factory-Set - Riello P 140 T/G Installation, Use And Maintenance Instructions

6.3

Electrical wiring factory-set

P 140-200-300 T/G
Direct motor starting
D2567
P 300-450 T/G
Star-delta motor starting
D2569
Key (Fig. 21 - Fig. 22)
CMV - Motor contactor
CO - Commutator
FR - Photocell
h1,2,3 - 1., 2., 3. stage hourconters
L1,2,3 - 1., 2., 3. stage lamps
L4 - Lock-out motor lamp
MB - Burner terminal strip
MV - Fan motor
Electrical system
RT - Thermal relay
TA - Ignition transformer
TB - Burner ground (earth) connection
VS - Safety solenoid valve
V1,2,3 - 1., 2., 3. stage solenoid valves
21 GB
Fig. 21
Fig. 22
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