Buderus Logamax plus - Page 38

Electrical connections7
Logamax plus GB162-80 kW/100 kW - Subject to modifications resulting from technical improvements!38
Legend of fig. 42
pos. 1: 81-pole connector (AC 0, 10, 24 and 230 V)
pos. 2: 16-pole connector (AC 120 V)
pos. 3: Connection for pump in connection kit (accessory)
pos. 4: Fan
pos. 5: Gas valve
pos. 6: Transformer
pos. 7: Glow ignitor
pos. 8: Earth
pos. 9: Ionization
pos. 10: Pressure sensor
pos. 11: Return sensor
pos. 12: Safety-temperature sensor
pos. 13: Supply sensor
pos. 14: Flue gas sensor
pos. 15: Fuse (5 amp. FAST, sand filled)
pos. 16: BUS function modules
pos. 17: Connector for BC10 Basic Controller
pos. 18: Room controller RC and EMS bus
pos. 19: Outdoor temperature sensor
pos. 20: On/off temperature controller (potential free)
pos. 21: DHW sensor
pos. 22: External switch contact (potential free, e.g. floor heating)
pos. 23: External three-way valve
pos. 24: Boiler pump (120 VAC, max. 100 W)
pos. 25: DHW pump (pump 120 VAC, max. 100 W)
pos. 26: DHW re-circulation pump (pump 120 VAC, max. 100 W)
pos. 27: Main power connection 120 V 60 Hz, max. permissible 5 A
pos. 28: Mains switch
pos. 29: 120 VAC function module
pos. 30: Ground